{"id":61126,"date":"2023-12-08T20:24:23","date_gmt":"2023-12-08T11:24:23","guid":{"rendered":"https:\/\/monolith.law\/cs\/?p=61126"},"modified":"2025-12-26T17:56:32","modified_gmt":"2025-12-26T08:56:32","slug":"disclosure-of-ipaddress","status":"publish","type":"post","link":"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress","title":{"rendered":"Je \u017e\u00e1dost o odhalen\u00ed IP adresy skute\u010dn\u011b 'bezv\u00fdznamn\u00e1'?"},"content":{"rendered":"\n<p>&#8220;Byl jsem pomlouv\u00e1n na soci\u00e1ln\u00edch s\u00edt\u00edch&#8221;, &#8220;Chci zjistit, kdo je autor p\u0159\u00edsp\u011bvku na internetu&#8221;<\/p>\n\n\n\n<p>Proces, kter\u00fd pot\u0159ebujete v takov\u00e9m p\u0159\u00edpad\u011b, je ov\u011b\u0159en\u00ed IP adresy pou\u017eit\u00e9 pro p\u0159\u00edsp\u011bvek. A \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy je prvn\u00edm krokem k identifikaci osoby.<\/p>\n\n\n\n<p>Av\u0161ak, n\u011bkdy se m\u016f\u017eete setkat s n\u00e1zorem, \u017ee \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy je &#8220;bezv\u00fdznamn\u00e1&#8221;. Je mo\u017en\u00e9, \u017ee \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy nefunguje? Vysv\u011btl\u00edme &#8220;limity&#8221; t\u00fdkaj\u00edc\u00ed se \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed a zv\u00e1\u017e\u00edme ot\u00e1zku, zda je \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy bezv\u00fdznamn\u00e1.<\/p>\n\n\n\n<p>Jako p\u0159edpoklad, existuj\u00ed t\u0159i hlavn\u00ed metody pro \u0159e\u0161en\u00ed \u0161kodliv\u00fdch spekulac\u00ed na internetu:<\/p>\n\n\n\n<ul>\n<li>Identifikace autora (\u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy, \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed jm\u00e9na a adresy)<\/li>\n\n\n\n<li>Smaz\u00e1n\u00ed str\u00e1nky s p\u0159\u00edsp\u011bvkem<\/li>\n\n\n\n<li>Opat\u0159en\u00ed pomoc\u00ed IT technologi\u00ed, jako je reverse SEO<\/li>\n<\/ul>\n\n\n\n<p>Prvn\u00ed a druhou metodu m\u016f\u017ee prov\u00e9st pouze pr\u00e1vn\u00edk podle z\u00e1kona, zat\u00edmco t\u0159et\u00ed metodu m\u016f\u017ee prov\u00e9st IT spole\u010dnost.<br> V tomto \u010dl\u00e1nku se budeme zab\u00fdvat prvn\u00ed metodou, \u017e\u00e1dost\u00ed o zve\u0159ejn\u011bn\u00ed IP adresy.<\/p>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_53 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<span class=\"ez-toc-title-toggle\"><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#IP_adresa_se_prozradi_pri_zadosti_o_odhaleni_informaci_o_odesilateli\" title=\"IP adresa se prozrad\u00ed p\u0159i \u017e\u00e1dosti o odhalen\u00ed informac\u00ed o odes\u00edlateli\">IP adresa se prozrad\u00ed p\u0159i \u017e\u00e1dosti o odhalen\u00ed informac\u00ed o odes\u00edlateli<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Priklad_omezeni_zadosti_o_zverejneni_IP_Pripad_kdy_spravce_serveru_neudrzuje_zaznamy\" title=\"P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: P\u0159\u00edpad, kdy spr\u00e1vce serveru neudr\u017euje z\u00e1znamy\">P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: P\u0159\u00edpad, kdy spr\u00e1vce serveru neudr\u017euje z\u00e1znamy<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Spravci_serveru_nemaji_povinnost_ukladat_zaznamy_o_IP_adresach\" title=\"Spr\u00e1vci server\u016f nemaj\u00ed povinnost ukl\u00e1dat z\u00e1znamy o IP adres\u00e1ch\">Spr\u00e1vci server\u016f nemaj\u00ed povinnost ukl\u00e1dat z\u00e1znamy o IP adres\u00e1ch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Pripady_kdy_zaznamy_o_IP_adresach_zmizi_po_smazani\" title=\"P\u0159\u00edpady, kdy z\u00e1znamy o IP adres\u00e1ch zmiz\u00ed po smaz\u00e1n\u00ed\">P\u0159\u00edpady, kdy z\u00e1znamy o IP adres\u00e1ch zmiz\u00ed po smaz\u00e1n\u00ed<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Priklad_omezeni_zadosti_o_zverejneni_IP_IP_adresa_pres_zahranicni_proxy\" title=\"P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: IP adresa p\u0159es zahrani\u010dn\u00ed proxy\">P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: IP adresa p\u0159es zahrani\u010dn\u00ed proxy<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Priklad_omezeni_zadosti_o_zverejneni_IP_ISP_atd_neskladuji_logy_IP_adres\" title=\"P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: ISP atd. neskladuj\u00ed logy IP adres\">P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: ISP atd. neskladuj\u00ed logy IP adres<\/a><ul class='ez-toc-list-level-3'><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Logy_mobilnich_operatoru_zmizi_po_priblizne_3_mesicich\" title=\"Logy mobiln\u00edch oper\u00e1tor\u016f zmiz\u00ed po p\u0159ibli\u017en\u011b 3 m\u011bs\u00edc\u00edch\">Logy mobiln\u00edch oper\u00e1tor\u016f zmiz\u00ed po p\u0159ibli\u017en\u011b 3 m\u011bs\u00edc\u00edch<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Pomluvy_prostrednictvim_mobilnich_operatoru_jsou_pomerne_vzacne\" title=\"Pomluvy prost\u0159ednictv\u00edm mobiln\u00edch oper\u00e1tor\u016f jsou pom\u011brn\u011b vz\u00e1cn\u00e9\">Pomluvy prost\u0159ednictv\u00edm mobiln\u00edch oper\u00e1tor\u016f jsou pom\u011brn\u011b vz\u00e1cn\u00e9<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Priklad_omezeni_zadosti_o_odhaleni_IP_%E2%91%A3_Prispevky_z_internetove_kavarny\" title=\"P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP \u2463: P\u0159\u00edsp\u011bvky z internetov\u00e9 kav\u00e1rny\">P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP \u2463: P\u0159\u00edsp\u011bvky z internetov\u00e9 kav\u00e1rny<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Pripadova_studie_omezeni_zadosti_o_odhaleni_IP_%E2%91%A4_Prispevky_pomoci_verejneho_bezdratoveho_LAN\" title=\"P\u0159\u00edpadov\u00e1 studie omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP \u2464: P\u0159\u00edsp\u011bvky pomoc\u00ed ve\u0159ejn\u00e9ho bezdr\u00e1tov\u00e9ho LAN\">P\u0159\u00edpadov\u00e1 studie omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP \u2464: P\u0159\u00edsp\u011bvky pomoc\u00ed ve\u0159ejn\u00e9ho bezdr\u00e1tov\u00e9ho LAN<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/monolith.law\/cs\/internet\/disclosure-of-ipaddress\/#Shrnuti_Zadost_o_zverejneni_IP_adresy_neni_%E2%80%9Cbezvyznamna%E2%80%9D\" title=\"Shrnut\u00ed: \u017d\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy nen\u00ed &#8220;bezv\u00fdznamn\u00e1&#8221;\">Shrnut\u00ed: \u017d\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy nen\u00ed &#8220;bezv\u00fdznamn\u00e1&#8221;<\/a><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"IP_adresa_se_prozradi_pri_zadosti_o_odhaleni_informaci_o_odesilateli\"><\/span>IP adresa se prozrad\u00ed p\u0159i \u017e\u00e1dosti o odhalen\u00ed informac\u00ed o odes\u00edlateli<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"735\" height=\"490\" src=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-2.png\" alt=\"\" class=\"wp-image-69137\" style=\"aspect-ratio:1.5;width:840px;height:auto\" srcset=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-2.png 735w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-2-300x200.png 300w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-2-250x167.png 250w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p>IP adresa je v podstat\u011b informace podobn\u00e1 &#8220;adrese na internetu&#8221;. Ka\u017ed\u00fd stroj p\u0159ipojen\u00fd k internetu, v\u010detn\u011b dom\u00e1c\u00edho PC nebo smartphonu, m\u00e1 svou vlastn\u00ed &#8220;IP adresu&#8221;, co\u017e je informace o adrese.<\/p>\n\n\n\n<p>\u017d\u00e1dost o odhalen\u00ed informac\u00ed o odes\u00edlateli je \u017e\u00e1dost o odhalen\u00ed informac\u00ed stanoven\u00e1 v \u010dl\u00e1nku 4 odstavec 1 japonsk\u00e9ho &#8220;Z\u00e1kona o omezen\u00ed odpov\u011bdnosti poskytovatel\u016f&#8221; (Provider Liability Limitation Act). Jedn\u00e1 se o syst\u00e9m, kter\u00fd umo\u017e\u0148uje po\u017eadovat od provozovatel\u016f diskusn\u00edch f\u00f3r, blog\u016f a poskytovatel\u016f odhalen\u00ed adresy, jm\u00e9na, telefonn\u00edho \u010d\u00edsla atd. odes\u00edlatele, kter\u00fd na internetu prov\u00e1d\u011bl neleg\u00e1ln\u00ed p\u0159\u00edsp\u011bvky, jako jsou pomluvy.<\/p>\n\n\n\n<p>Informace, kter\u00e9 mohou b\u00fdt p\u0159edm\u011btem \u017e\u00e1dosti o odhalen\u00ed, jsou n\u00e1sleduj\u00edc\u00ed:<\/p>\n\n\n\n<ul>\n<li>Jm\u00e9no odes\u00edlatele<\/li>\n\n\n\n<li>Adresa odes\u00edlatele<\/li>\n\n\n\n<li>E-mailov\u00e1 adresa odes\u00edlatele<\/li>\n\n\n\n<li>IP adresa odes\u00edlatele<\/li>\n\n\n\n<li>IP adresa odes\u00edlatele \/ portov\u00e9 \u010d\u00edslo spojen\u00e9 s IP adresou<\/li>\n\n\n\n<li>Identifika\u010dn\u00ed \u010d\u00edslo u\u017eivatele mobiln\u00edho internetov\u00e9ho p\u0159ipojen\u00ed<\/li>\n\n\n\n<li>Identifika\u010dn\u00ed k\u00f3d u\u017eivatele<\/li>\n\n\n\n<li>Identifika\u010dn\u00ed \u010d\u00edslo SIM karty<\/li>\n\n\n\n<li>Datum a \u010das odesl\u00e1n\u00ed (\u010dasov\u00e1 zna\u010dka)<\/li>\n<\/ul>\n\n\n\n<p>Podrobnosti o tomto postupu a pr\u016fb\u011bhu jsou vysv\u011btleny v jin\u00e9m \u010dl\u00e1nku.<\/p>\n\n\n\n<p><a href=\"https:\/\/monolith.law\/reputation\/disclosure-of-the-senders-information\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/monolith.law\/reputation\/disclosure-of-the-senders-information[ja]<\/a><\/p>\n\n\n\n<p>IP adresa je d\u016fle\u017eitou informac\u00ed, kter\u00e1 pom\u00e1h\u00e1 identifikovat jednotlivce, ale jak\u00e9 jsou p\u0159\u00edpady, kdy i kdy\u017e je IP adresa zn\u00e1ma, nevede k identifikaci autora? N\u00ed\u017ee se pod\u00edvejme na konkr\u00e9tn\u00ed p\u0159\u00edklady omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP adresy.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Priklad_omezeni_zadosti_o_zverejneni_IP_Pripad_kdy_spravce_serveru_neudrzuje_zaznamy\"><\/span>P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: P\u0159\u00edpad, kdy spr\u00e1vce serveru neudr\u017euje z\u00e1znamy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"735\" height=\"490\" src=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-3.jpg\" alt=\"\" class=\"wp-image-69138\" style=\"aspect-ratio:1.5;width:840px;height:auto\" srcset=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-3.jpg 735w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-3-300x200.jpg 300w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-3-250x167.jpg 250w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p>Vysv\u011btl\u00edme d\u016fvody, pro\u010d spr\u00e1vci server\u016f nemus\u00ed ukl\u00e1dat z\u00e1znamy o IP adres\u00e1ch.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Spravci_serveru_nemaji_povinnost_ukladat_zaznamy_o_IP_adresach\"><\/span>Spr\u00e1vci server\u016f nemaj\u00ed povinnost ukl\u00e1dat z\u00e1znamy o IP adres\u00e1ch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Spr\u00e1vci server\u016f nemus\u00ed nutn\u011b udr\u017eovat z\u00e1znamy o IP adres\u00e1ch. Neexistuje \u017e\u00e1dn\u00fd z\u00e1kon, kter\u00fd by stanovil, \u017ee &#8220;p\u0159i provozov\u00e1n\u00ed serveru na internetu mus\u00edte ukl\u00e1dat IP adresy odes\u00edlatel\u016f a b\u00fdt p\u0159ipraveni je zve\u0159ejnit na \u017e\u00e1dost&#8221;. Spr\u00e1vci server\u016f tedy nemaj\u00ed povinnost ukl\u00e1dat z\u00e1znamy o IP adres\u00e1ch.<\/p>\n\n\n\n<p>Proto, i kdy\u017e po\u017e\u00e1d\u00e1te o zve\u0159ejn\u011bn\u00ed IP adresy v p\u0159edb\u011b\u017en\u00e9m opat\u0159en\u00ed a z\u00edsk\u00e1te zve\u0159ejn\u011bn\u00ed IP adresy, m\u016f\u017ee se st\u00e1t, \u017ee od spr\u00e1vce serveru dostanete odpov\u011b\u010f typu &#8220;Cht\u011bli jsme zve\u0159ejnit z\u00e1znamy, ale nebyly ulo\u017eeny&#8221;.<\/p>\n\n\n\n<p>Na druhou stranu, v\u011bt\u0161ina server\u016f ukl\u00e1d\u00e1 IP adresy odes\u00edlatel\u016f, tak\u017ee p\u0159\u00edpady, kdy by se dalo tvrdit, \u017ee &#8220;\u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy je bezp\u0159edm\u011btn\u00e1&#8221; z d\u016fvodu uveden\u00e9ho v\u00fd\u0161e, jsou vz\u00e1cn\u00e9. Doba uchov\u00e1n\u00ed informac\u00ed o IP adrese se li\u0161\u00ed podle spr\u00e1vce serveru, ale obecn\u011b plat\u00ed, \u017ee je to asi 3 a\u017e 6 m\u011bs\u00edc\u016f od odesl\u00e1n\u00ed p\u0159\u00edsp\u011bvku.<br><\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pripady_kdy_zaznamy_o_IP_adresach_zmizi_po_smazani\"><\/span>P\u0159\u00edpady, kdy z\u00e1znamy o IP adres\u00e1ch zmiz\u00ed po smaz\u00e1n\u00ed<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Podobn\u00fdm probl\u00e9mem je, \u017ee v p\u0159\u00edpad\u011b diskusn\u00edch f\u00f3r a podobn\u00fdch m\u00edst, &#8220;pokud se p\u0159\u00edsp\u011bvek sma\u017ee p\u0159edem, z\u00e1znamy o IP adrese souvisej\u00edc\u00ed s dan\u00fdm p\u0159\u00edsp\u011bvkem mohou zmizet&#8221;. To m\u016f\u017ee p\u0159edv\u00eddat a zabr\u00e1nit pr\u00e1vn\u00edk s bohat\u00fdmi zku\u0161enostmi s konkr\u00e9tn\u00edm webem. Podrobnosti naleznete v n\u00e1sleduj\u00edc\u00edm \u010dl\u00e1nku.<\/p>\n\n\n\n<p><a href=\"https:\/\/monolith.law\/reputation\/identifying-contributors-after-deletion\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/monolith.law\/reputation\/identifying-contributors-after-deletion[ja]<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Priklad_omezeni_zadosti_o_zverejneni_IP_IP_adresa_pres_zahranicni_proxy\"><\/span>P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: IP adresa p\u0159es zahrani\u010dn\u00ed proxy<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"735\" height=\"490\" src=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-4.jpg\" alt=\"\" class=\"wp-image-69139\" style=\"aspect-ratio:1.5;width:840px;height:auto\" srcset=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-4.jpg 735w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-4-300x200.jpg 300w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-4-250x167.jpg 250w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p>Pokud je IP adresa, kter\u00e1 byla zve\u0159ejn\u011bna na z\u00e1klad\u011b \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP adresy, p\u0159es zahrani\u010dn\u00ed proxy, sledov\u00e1n\u00ed se st\u00e1v\u00e1 nemo\u017en\u00fdm.<\/p>\n\n\n\n<p>Pokud byla zve\u0159ejn\u011bn\u00e1 IP adresa od dom\u00e1c\u00edho poskytovatele internetov\u00fdch slu\u017eeb (ISP) nebo mobiln\u00edho oper\u00e1tora, nap\u0159\u00edklad Nifty nebo Docomo, budete muset podat \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed, jako je &#8220;zve\u0159ejn\u011bte jm\u00e9no a adresu smluvn\u00ed strany, kter\u00e1 pou\u017e\u00edvala tuto IP adresu&#8221;, s Nifty Corporation nebo NTT Docomo Corporation, kter\u00e9 jsou dom\u00e1c\u00edmi spole\u010dnostmi, jako protistranou.<\/p>\n\n\n\n<p>Av\u0161ak pokud jde o zahrani\u010dn\u00ed proxy server, nem\u016f\u017eete soudit tento zahrani\u010dn\u00ed proxy server atd. u japonsk\u00e9ho soudu. Stane se to &#8220;ne\u00fasp\u011b\u0161n\u00fdm sledov\u00e1n\u00edm&#8221;.<\/p>\n\n\n\n<p>Av\u0161ak nap\u0159\u00edklad 5chan od sam\u00e9ho za\u010d\u00e1tku co nejv\u00edce blokuje p\u0159\u00edsp\u011bvky p\u0159es zahrani\u010dn\u00ed proxy servery, kter\u00e9 jsou \u010dasto zneu\u017e\u00edv\u00e1ny k anonymizaci identity.<\/p>\n\n\n\n<p>Jin\u00fdmi slovy, p\u0159\u00edsp\u011bvky p\u0159es zahrani\u010dn\u00ed proxy servery jsou velmi neobvykl\u00e9 a zd\u00e1 se, \u017ee i v tomto p\u0159\u00edpad\u011b &#8220;\u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed nem\u00e1 smysl&#8221;.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Priklad_omezeni_zadosti_o_zverejneni_IP_ISP_atd_neskladuji_logy_IP_adres\"><\/span>P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed IP: ISP atd. neskladuj\u00ed logy IP adres<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"735\" height=\"490\" src=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-5.jpg\" alt=\"\" class=\"wp-image-69140\" style=\"aspect-ratio:1.5;width:840px;height:auto\" srcset=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-5.jpg 735w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-5-300x200.jpg 300w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-5-250x167.jpg 250w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p>Vysv\u011btl\u00edme pozad\u00ed, pro\u010d ISP atd. neskladuj\u00ed logy IP adres.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Logy_mobilnich_operatoru_zmizi_po_priblizne_3_mesicich\"><\/span>Logy mobiln\u00edch oper\u00e1tor\u016f zmiz\u00ed po p\u0159ibli\u017en\u011b 3 m\u011bs\u00edc\u00edch<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>V okam\u017eiku, kdy obdr\u017e\u00edte \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy, se zjist\u00ed, zda byl dan\u00fd p\u0159\u00edsp\u011bvek proveden prost\u0159ednictv\u00edm kter\u00e9ho ISP nebo mobiln\u00edho oper\u00e1tora. Jin\u00fdmi slovy, a\u017e do obdr\u017een\u00ed \u017e\u00e1dosti o zve\u0159ejn\u011bn\u00ed, nev\u00edte, zda byl p\u0159\u00edsp\u011bvek proveden prost\u0159ednictv\u00edm pevn\u00e9 linky (ISP) nebo mobiln\u00ed s\u00edt\u011b (mobiln\u00edho oper\u00e1tora).<\/p>\n\n\n\n<p>V p\u0159\u00edpad\u011b mobiln\u00edch oper\u00e1tor\u016f existuje omezen\u00ed, \u017ee &#8220;mobiln\u00ed oper\u00e1to\u0159i uchov\u00e1vaj\u00ed komunika\u010dn\u00ed logy pouze po dobu p\u0159ibli\u017en\u011b 3 m\u011bs\u00edc\u016f&#8221;. To znamen\u00e1, \u017ee i kdy\u017e obdr\u017e\u00edte \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy, pokud byl p\u0159\u00edsp\u011bvek proveden prost\u0159ednictv\u00edm linky mobiln\u00edho oper\u00e1tora a od p\u0159\u00edsp\u011bvku ji\u017e uplynulo v\u00edce ne\u017e 3 m\u011bs\u00edce, technicky mus\u00edte vzd\u00e1t se sledov\u00e1n\u00ed.<\/p>\n\n\n\n<p>Av\u0161ak, pokud zku\u0161en\u00fd pr\u00e1vn\u00edk rychle zpracuje \u017e\u00e1dost, \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy je mo\u017en\u00e9 realizovat nejd\u00e9le za 1 a\u017e 1,5 m\u011bs\u00edce. Proto, pokud pod\u00e1te \u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy pro p\u0159\u00edsp\u011bvek, kter\u00fd nebyl p\u0159\u00edli\u0161 dlouho zve\u0159ejn\u011bn, m\u016f\u017eete obdr\u017eet zve\u0159ejn\u011bn\u00ed IP adresy b\u011bhem v\u00fd\u0161e uveden\u00e9 doby uchov\u00e1v\u00e1n\u00ed log\u016f.<\/p>\n\n\n\n<p>Mobiln\u00ed oper\u00e1to\u0159i tak\u00e9 \u010dasto vyhov\u00ed po\u017eadavku, aby &#8220;nezni\u010dili dan\u00fd log a uchov\u00e1vali ho&#8221;, pokud je po\u017eadov\u00e1no p\u0159ed pod\u00e1n\u00edm \u017ealoby na zve\u0159ejn\u011bn\u00ed jm\u00e9na a adresy, \u017ee &#8220;nyn\u00ed pod\u00e1me \u017ealobu&#8221;.<\/p>\n\n\n\n<p>U pevn\u00fdch linek, i kdy\u017e existuje probl\u00e9m s dobou uchov\u00e1v\u00e1n\u00ed log\u016f, logy z\u016fst\u00e1vaj\u00ed po dobu p\u0159ibli\u017en\u011b 12 m\u011bs\u00edc\u016f.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pomluvy_prostrednictvim_mobilnich_operatoru_jsou_pomerne_vzacne\"><\/span>Pomluvy prost\u0159ednictv\u00edm mobiln\u00edch oper\u00e1tor\u016f jsou pom\u011brn\u011b vz\u00e1cn\u00e9<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p>Nav\u00edc, v p\u0159\u00edpad\u011b, kdy je na diskusn\u00edm f\u00f3ru provedeno mnoho pomlouva\u010dn\u00fdch p\u0159\u00edsp\u011bvk\u016f, nemus\u00edte se p\u0159\u00edli\u0161 ob\u00e1vat, \u017ee logy nebudou uchov\u00e1ny.<\/p>\n\n\n\n<p>To je proto, \u017ee v p\u0159\u00edpad\u011b, kdy &#8220;doma, p\u0159es dom\u00e1c\u00ed bezdr\u00e1tovou LAN, prohl\u00ed\u017e\u00edte internet na smartphonu (a pot\u00e9 provedete pomlouva\u010dn\u00fd p\u0159\u00edsp\u011bvek na diskusn\u00ed f\u00f3rum)&#8221;,<\/p>\n\n\n\n<ul>\n<li>p\u0159ipojen\u00e9 za\u0159\u00edzen\u00ed je smartphone,<\/li>\n\n\n\n<li>ale p\u0159ipojen\u00ed je p\u0159es pevnou linku.<\/li>\n<\/ul>\n\n\n\n<p>To je d\u016fvod. P\u0159\u00edpady, kdy &#8220;po\u017e\u00e1d\u00e1te o zve\u0159ejn\u011bn\u00ed IP adresy pro pom\u011brn\u011b velk\u00e9 mno\u017estv\u00ed pomlouva\u010dn\u00fdch p\u0159\u00edsp\u011bvk\u016f a v\u0161echny byly provedeny prost\u0159ednictv\u00edm mobiln\u00edch linek&#8221;, jsou sp\u00ed\u0161e vz\u00e1cn\u00e9.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Priklad_omezeni_zadosti_o_odhaleni_IP_%E2%91%A3_Prispevky_z_internetove_kavarny\"><\/span>P\u0159\u00edklad omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP \u2463: P\u0159\u00edsp\u011bvky z internetov\u00e9 kav\u00e1rny<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"735\" height=\"490\" src=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-6.jpg\" alt=\"\" class=\"wp-image-69141\" style=\"aspect-ratio:1.5;width:840px;height:auto\" srcset=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-6.jpg 735w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-6-300x200.jpg 300w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-6-250x167.jpg 250w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p>Pokud je zn\u00e1m ISP atd., budete se soudn\u011b dom\u00e1hat odhalen\u00ed jm\u00e9na a adresy proti tomuto ISP atd. Pokud vyhrajete soud, jm\u00e9no a adresa budou odhaleny, ale to, co je zde odhaleno, je pouze &#8220;jm\u00e9no a adresa smluvn\u00edho partnera p\u0159ipojen\u00ed&#8221;.<\/p>\n\n\n\n<p>Jin\u00fdmi slovy, v p\u0159\u00edpad\u011b p\u0159\u00edsp\u011bvk\u016f prost\u0159ednictv\u00edm internetov\u00e9 kav\u00e1rny bude odhaleno jm\u00e9no a adresa provozovatele t\u00e9to internetov\u00e9 kav\u00e1rny. A v mnoha p\u0159\u00edpadech internetov\u00e9 kav\u00e1rny neudr\u017euj\u00ed z\u00e1znamy o tom, &#8220;kdo se kdy a na jak\u00e9 str\u00e1nce p\u0159ipojil&#8221;.<\/p>\n\n\n\n<p>Jin\u00fdmi slovy, i kdy\u017e v\u00edte, \u017ee &#8220;p\u0159\u00edsp\u011bvek byl odesl\u00e1n z t\u00e9to internetov\u00e9 kav\u00e1rny&#8221;, nev\u00edte, &#8220;kdo p\u0159\u00edsp\u011bvek odeslal&#8221;.<\/p>\n\n\n\n<p>Av\u0161ak v posledn\u00ed dob\u011b se p\u0159i vstupu do internetov\u00e9 kav\u00e1rny prov\u00e1d\u00ed ov\u011b\u0159en\u00ed toto\u017enosti, nap\u0159\u00edklad pomoc\u00ed \u0159idi\u010dsk\u00e9ho pr\u016fkazu nebo poji\u0161t\u011bn\u00ed. Pokud lze na z\u00e1klad\u011b ov\u011b\u0159en\u00ed p\u0159i vstupu identifikovat osobu, kter\u00e1 vyu\u017e\u00edvala internetovou kav\u00e1rnu v dob\u011b odesl\u00e1n\u00ed p\u0159\u00edsp\u011bvku, nebo termin\u00e1l, ze kter\u00e9ho byl p\u0159\u00edsp\u011bvek odesl\u00e1n, m\u016f\u017ee b\u00fdt mo\u017en\u00e9 zjistit, kdo p\u0159\u00edsp\u011bvek odeslal, z\u00edsk\u00e1n\u00edm informac\u00ed o u\u017eivateli prost\u0159ednictv\u00edm syst\u00e9mu dotazov\u00e1n\u00ed advok\u00e1tn\u00ed komory.<\/p>\n\n\n\n<p>Krom\u011b toho, v internetov\u00e9 kav\u00e1rn\u011b je ka\u017ed\u00e9mu termin\u00e1lu p\u0159id\u011blena samostatn\u00e1 IP adresa, tak\u017ee v n\u011bkter\u00fdch p\u0159\u00edpadech m\u016f\u017ee b\u00fdt mo\u017en\u00e9 identifikovat konkr\u00e9tn\u00edho u\u017eivatele.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Pripadova_studie_omezeni_zadosti_o_odhaleni_IP_%E2%91%A4_Prispevky_pomoci_verejneho_bezdratoveho_LAN\"><\/span>P\u0159\u00edpadov\u00e1 studie omezen\u00ed \u017e\u00e1dosti o odhalen\u00ed IP \u2464: P\u0159\u00edsp\u011bvky pomoc\u00ed ve\u0159ejn\u00e9ho bezdr\u00e1tov\u00e9ho LAN<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" loading=\"lazy\" width=\"735\" height=\"490\" src=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-7.jpg\" alt=\"\" class=\"wp-image-69143\" style=\"aspect-ratio:1.5;width:840px;height:auto\" srcset=\"https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-7.jpg 735w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-7-300x200.jpg 300w, https:\/\/monolith.law\/cs\/wp-content\/uploads\/sites\/34\/2025\/12\/disclosure-of-ipaddress-7-250x167.jpg 250w\" sizes=\"(max-width: 735px) 100vw, 735px\" \/><\/figure>\n\n\n\n<p>Pokud se p\u0159\u00edsp\u011bvky na internetu prov\u00e1d\u011bj\u00ed pomoc\u00ed ve\u0159ejn\u00e9ho bezdr\u00e1tov\u00e9ho LAN, jako je nap\u0159\u00edklad free Wi-Fi, smluvn\u00ed stranou t\u00e9to internetov\u00e9 linky je za\u0159\u00edzen\u00ed poskytuj\u00edc\u00ed slu\u017ebu bezdr\u00e1tov\u00e9ho LAN p\u0159ipojen\u00ed. Proto, i kdy\u017e pod\u00e1te \u017e\u00e1dost o odhalen\u00ed, to, co se odhal\u00ed, je IP adresa t\u011bchto za\u0159\u00edzen\u00ed.<\/p>\n\n\n\n<p>Tud\u00ed\u017e, i kdy\u017e \u017e\u00e1d\u00e1te o odhalen\u00ed informac\u00ed na z\u00e1klad\u011b t\u00e9to IP adresy, nelze odhalit osobn\u00ed \u00fadaje autora p\u0159\u00edsp\u011bvku.<\/p>\n\n\n\n<p>Av\u0161ak, nap\u0159\u00edklad v p\u0159\u00edpad\u011b, \u017ee je uzn\u00e1n trestn\u00fd \u010din a je provedeno policejn\u00ed vy\u0161et\u0159ov\u00e1n\u00ed, je mo\u017en\u00e9 identifikovat jednotlivce pomoc\u00ed z\u00e1znam\u016f z bezpe\u010dnostn\u00edch kamer. Stejn\u011b jako v p\u0159\u00edpad\u011b internetov\u00fdch kav\u00e1ren, neznamen\u00e1 to, \u017ee identifikace je v\u017edy nemo\u017en\u00e1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Shrnuti_Zadost_o_zverejneni_IP_adresy_neni_%E2%80%9Cbezvyznamna%E2%80%9D\"><\/span>Shrnut\u00ed: \u017d\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy nen\u00ed &#8220;bezv\u00fdznamn\u00e1&#8221;<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Jak jsme vid\u011bli, identifikace autora p\u0159\u00edsp\u011bvku, kter\u00e1 za\u010d\u00edn\u00e1 \u017e\u00e1dost\u00ed o zve\u0159ejn\u011bn\u00ed IP adresy, nen\u00ed 100% garantovan\u00e1 jen proto, \u017ee byla uzn\u00e1na u soudu. To v\u0161ak neznamen\u00e1, \u017ee bychom m\u011bli prohl\u00e1sit, \u017ee &#8220;\u017e\u00e1dost o zve\u0159ejn\u011bn\u00ed IP adresy je bezv\u00fdznamn\u00e1&#8221;. Mnoho v\u00fd\u0161e uveden\u00fdch p\u0159\u00edklad\u016f jsou &#8220;velmi neobvykl\u00e9&#8221; p\u0159\u00edpady, a pokud si p\u016fj\u010d\u00edte s\u00edlu odborn\u00edka, obecn\u011b je mo\u017en\u00e9 identifikovat IP adresu s relativn\u011b vysokou pravd\u011bpodobnost\u00ed.<\/p>\n\n\n\n<p><a href=\"https:\/\/monolith.law\/reputation\/provider-liability-limitation-law\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/monolith.law\/reputation\/provider-liability-limitation-law[ja]<\/a><\/p>\n\n\n\n<p>Na\u0161e kancel\u00e1\u0159 realizuje identifikaci autor\u016f p\u0159\u00edsp\u011bvk\u016f na r\u016fzn\u00fdch str\u00e1nk\u00e1ch, jako jsou soci\u00e1ln\u00ed s\u00edt\u011b Twitter a Instagram, diskusn\u00ed f\u00f3ra jako 2chan a 5chan a dal\u0161\u00ed r\u016fzn\u00e9 str\u00e1nky.<\/p>\n\n\n\n<p>Pokud m\u00e1te n\u011bjak\u00e9 pot\u00ed\u017ee, nev\u00e1hejte se obr\u00e1tit na na\u0161e pr\u00e1vn\u00edky.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8220;Byl jsem pomlouv\u00e1n na soci\u00e1ln\u00edch s\u00edt\u00edch&#8221;, &#8220;Chci zjistit, kdo je autor p\u0159\u00edsp\u011bvku na internetu&#8221; Proces, kter\u00fd pot\u0159ebujete v takov\u00e9m p\u0159\u00edpad\u011b, je ov\u011b\u0159en\u00ed IP adresy pou\u017eit\u00e9 pro p\u0159\u00ed [&hellip;]<\/p>\n","protected":false},"author":32,"featured_media":69136,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[39,21],"acf":[],"_links":{"self":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts\/61126"}],"collection":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/users\/32"}],"replies":[{"embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/comments?post=61126"}],"version-history":[{"count":3,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts\/61126\/revisions"}],"predecessor-version":[{"id":69144,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/posts\/61126\/revisions\/69144"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/media\/69136"}],"wp:attachment":[{"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/media?parent=61126"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/categories?post=61126"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/monolith.law\/cs\/wp-json\/wp\/v2\/tags?post=61126"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}