The following countries are known to operate, for domestic purposes, a Registration Authority for OIDs:

Country OID Agreement Algeria {joint-iso-itu-t(2) country(16) dz(12)} Agreement (Sep 2014) Andorra {joint-iso-itu-t(2) country(16) ad(20)} Agreement (Jan 2014) Argentina {joint-iso-itu-t(2) country(16) ar(32)} (May 2006) Australia {iso(1) member-body(2) au(36)} None Austria {iso(1) member-body(2) at(40)} (1993) Bahrain {joint-iso-itu-t(2) country(16) bh(48)} Agreement (Apr 2021) Bangladesh {joint-iso-itu-t(2) country(16) bd(50)} Agreement (Jun 2012) Benin {joint-iso-itu-t(2) country(16) bj(204)} Agreement (Apr 2019) Bolivia (Plurinational State of) {joint-iso-itu-t(2) country(16) bo(68)} Agreement (Apr 2015) Brazil {joint-iso-itu-t(2) country(16) br(76)} None Bulgaria {joint-iso-itu-t(2) country(16) bg(100)} Agreement (Nov 2012) Cabo Verde {joint-iso-itu-t(2) country(16) cv(132)} Agreement (Nov 2008) Canada {joint-iso-itu-t(2) country(16) ca(124)} Agreement (Apr 2012) China {iso(1) member-body(2) cn(156)} Agreement (Apr 2006) {joint-iso-itu-t(2) country(16) cn(156)} Agreement (Apr 2006) Côte d'Ivoire {joint-iso-itu-t(2) country(16) ci(384)} Agreement (Mar 2020) Czechia {iso(1) member-body(2) cz(203)} None Denmark {iso(1) member-body(2) dk(208)} None Ecuador {joint-iso-itu-t(2) country(16) ec(218)} Agreement (Apr 2021) Finland {iso(1) member-body(2) fi(246)} None France {iso(1) member-body(2) fr(250)} None Germany {iso(1) member-body(2) de(276)} None {joint-iso-itu-t(2) country(16) de(276)} None Greece {iso(1) member-body(2) gr(300)} (Oct 2006) Haiti {joint-iso-itu-t(2) country(16) ht(332)} Agreement (17 Jan 2024) Honduras {joint-iso-itu-t(2) country(16) hn(340)} Agreement (Nov 2018) Hong Kong {iso(1) member-body(2) hk(344)} None {joint-iso-itu-t(2) country(16) hk(344)} None Hungary {itu-t(0) administration(2) 216} None Iceland {joint-iso-itu-t(2) country(16) is(352)} Agreement (Feb 2007) Iran (Islamic Republic of) {joint-iso-itu-t(2) country(16) ir(364)} Agreement (Feb 2009) Ireland {iso(1) member-body(2) ie(372)} None Italy {joint-iso-itu-t(2) country(16) it(380)} None {iso(1) identified-organization(3) uninfo(76)} None Jamaica {joint-iso-itu-t(2) country(16) jm(388)} Agreement (Apr 2021) Japan {iso(1) member-body(2) jp(392)} None {itu-t(0) administration(2) 440} None Kazakhstan {iso(1) member-body(2) kz(398)} Agreement (Nov 2008) Kenya {joint-iso-itu-t(2) country(16) ke(404)} Agreement (Jul 2022) Korea (the Republic of) {iso(1) member-body(2) kr(410)} None {joint-iso-itu-t(2) country(16) kr(410)} Agreement (Jan 2022) Lao People's Democratic Republic {joint-iso-itu-t(2) country(16) la(418)} Agreement (Oct 2019) Liechtenstein {joint-iso-itu-t(2) country(16) li(438)} Agreement (Mar 2011) Malta {joint-iso-itu-t(2) country(16) mt(470)} (Oct 2006) Moldova (the Republic of) {iso(1) member-body(2) md(498)} Agreement (Oct 2011) Monaco {joint-iso-itu-t(2) country(16) mc(492)} Agreement (Nov 2019) Mongolia {joint-iso-itu-t(2) country(16) mn(496)} Agreement (Jul 2014) Morocco {iso(1) member-body(2) ma(504)} Agreement (16 Feb 2024) Netherlands (Kingdom of the) {iso(1) member-body(2) nl(528)} None {joint-iso-itu-t(2) country(16) nl(528)} None New Zealand {joint-iso-itu-t(2) country(16) nz(554)} None Nicaragua {joint-iso-itu-t(2) country(16) ni(558)} Agreement (Aug 2015) Nigeria {iso(1) member-body(2) ng(566)} Agreement (Jul 2013) Norway {joint-iso-itu-t(2) country(16) no(578)} None Oman {joint-iso-itu-t(2) country(16) om(512)} Agreement (Jul 2012) Panama {joint-iso-itu-t(2) country(16) pa(591)} Agreement (Apr 2008) Philippines {joint-iso-itu-t(2) country(16) ph(608)} Agreement (Feb 2014) Poland {iso(1) member-body(2) pl(616)} None Qatar {joint-iso-itu-t(2) country(16) qa(634)} Agreement (Apr 2008) Russian Federation {iso(1) member-body(2) ru(643)} Agreement (Nov 2014) Rwanda {joint-iso-itu-t(2) country(16) rw(646)} Agreement (Jan 2014) Saudi Arabia {joint-iso-itu-t(2) country(16) sa(682)} (Dec 2007) Singapore {iso(1) member-body(2) sg(702)} (Mar 2001) Spain {joint-iso-itu-t(2) country(16) es(724)} None Sri Lanka {joint-iso-itu-t(2) country(16) lk(144)} Agreement (Dec 2015) Sweden {iso(1) member-body(2) se(752)} None Switzerland {joint-iso-itu-t(2) country(16) ch(756)} None {itu-t(0) administration(2) 228} None Taiwan {joint-iso-itu-t(2) country(16) tw(158)} (1998) Tanzania (the United Republic of) {joint-iso-itu-t(2) country(16) tz(834)} Agreement (18 Mar 2024) Thailand {joint-iso-itu-t(2) country(16) th(764)} Agreement (Apr 2013) Tunisia {joint-iso-itu-t(2) country(16) tn(788)} Agreement (Apr 2010) Türkiye {joint-iso-itu-t(2) country(16) tr(792)} None Ukraine {iso(1) member-body(2) ua(804)} Agreement (Mar 2011) {joint-iso-itu-t(2) country(16) ua(804)} Agreement (Nov 2010) United Arab Emirates {joint-iso-itu-t(2) country(16) ae(784)} Agreement (Aug 2017) United Kingdom {iso(1) member-body(2) gb(826)} None United States of America {iso(1) member-body(2) us(840)} None {joint-iso-itu-t(2) country(16) us(840)} None Uruguay {joint-iso-itu-t(2) country(16) uy(858)} Agreement (Nov 2005) Viet Nam {joint-iso-itu-t(2) country(16) vn(704)} Agreement (Nov 2020) Note: When a country began to operate its Registration Authority a long time ago, there is no record of a signed agreement (with ISO, IEC or ITU-T).

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22 Dec 2024