| ad | Andorra | whois.ripe.net | RIPE | - |
| ae | United Arab Emirates | whois.aeda.net.ae | RIPE | - |
| aero | Air-transport industry | whois.aero | ICANN | Societe Internationale de Telecommunications Aeronautiques SC |
| af | Afghanistan | whois.nic.af | APNIC | - |
| ag | Antigua and Barbuda | whois2.afilias-grs.net whois.nic.ag | ARIN | - |
| ai | Anguilla | whois.ai | ARIN | - |
| al | Albania | whois.ai | RIPE | - |
| am | Armenia | whois.amnic.net | RIPE | - |
| an | Netherlands Antilles | - | LACNIC | - |
| ao | Angola | - | AfriNIC | - |
| aq | Antarctica | - | ARIN | - |
| ar | Argentina | - | LACNIC | - |
| arpa | Operationally-critical infrastructural identifier spaces | whois.iana.org | ICANN | IANA |
| as | American Samoa | whois.nic.as | APNIC | - |
| asia | Pan-Asia and Asia Pacific community | whois.dotasia.net whois.nic.asia | ICANN | DotAsia Organisation |
| at | Austria | whois.nic.at | RIPE | - |
| au | Australia | whois.ausregistry.net | APNIC | - |
| aw | Aruba | - | LACNIC | - |
| ax | Aland Islands | - | RIPE | - |
| az | Azerbaijan | whois.ripe.net | RIPE | - |
| ba | Bosnia and Herzegovina | whois.ripe.net | RIPE | - |
| bb | Barbados | - | ARIN | - |
| bd | Bangladesh | - | APNIC | - |
| be | Belgium | whois.dns.be | RIPE | - |
| bf | Burkina Faso | - | AfriNIC | - |
| bg | Bulgaria | www.register.bg whois.register.bg | RIPE | - |
| bh | Bahrain | - | RIPE | - |
| bi | Burundi | - | AfriNIC | - |
| biz | Business Organizations | whois.biz | ICANN | NeuStar, Inc |
| bj | Benin | whois.nic.bj | AfriNIC | - |
| bl | Saint Barthelemy | - | ARIN | - |
| bm | Bermuda | - | ARIN | - |
| bn | Brunei Darussalam | - | APNIC | - |
| bo | Bolivia | whois.nic.bo | LACNIC | - |
| br | Brazil | whois.nic.br | LACNIC | - |
| bs | Bahamas | - | ARIN | - |
| bt | Bhutan | - | APNIC | - |
| bv | Bouvet Island | - | ARIN | - |
| bw | Botswana | - | AfriNIC | - |
| by | Belarus | whois.cctld.by | RIPE | - |
| bz | Belize | bzwhois.verisign-grs.co | LACNIC | - |
| ca | Canada | whois.cira.ca | ARIN | - |
| cat | Catalan linguistic and cultural community | whois.cat | ICANN | Fundació puntCa |
| cc | Cocos (Keeling) Islands | ccwhois.verisign-grs.com | APNIC | - |
| cd | Congo, The Democratic Republic of the | - | AfriNIC | - |
| cf | Central African Republic | - | AfriNIC | - |
| cg | Congo | - | AfriNIC | - |
| ch | Switzerland | whois.nic.ch | RIPE | - |
| ci | Cote d'Ivoire | whois.nic.ci | AfriNIC | - |
| ck | Cook Islands | whois.ck-nic.org.ck | APNIC | - |
| cl | Chile | nic.cl whois.nic.cl | LACNIC | - |
| cm | Cameroon | - | AfriNIC | - |
| cn | China | whois.cnnic.net.cn | APNIC | - |
| co | Colombia | - | LACNIC | - |
| com | Commercial | whois.verisign-grs.com whois.opensrs.net | ICANN | Verisign Global Registry Services |
| coop | Co-Operative Organizations | whois.nic.coop | ICANN | Dot Cooperation LLC |
| cr | Costa Rica | - | LACNIC | - |
| cu | Cuba | - | LACNIC | - |
| cv | Cape Verde | - | AfriNIC | - |
| cx | Christmas Island | whois.nic.cx | APNIC | - |
| cy | Cyprus | whois.ripe.net | RIPE | - |
| cz | Czech Republic | whois.nic.cz | RIPE | - |
| de | Germany | whois.denic.de | RIPE | - |
| dj | Djibouti | - | AfriNIC | - |
| dk | Denmark | vocal.dk-hostmaster.dk whois.dk-hostmaster.dk | RIPE | - |
| dm | Dominica | whois.nic.dm | ARIN | - |
| do | Dominican Republic | ns.nic.do | LACNIC | - |
| dz | Algeria | - | AfriNIC | - |
| ec | Ecuador | whois.nic.ec | LACNIC | - |
| edu | Education | whois.educause.net whois.educause.edu | ICANN | Educause |
| ee | Estonia | myristaja.eenet.ee whois.eenet.ee | RIPE | - |
| eg | Egypt | whois.ripe.net | AfriNIC | - |
| eh | Western Sahara | - | AfriNIC | - |
| er | Eritrea | - | AfriNIC | - |
| es | Spain | whois.ripe.net | RIPE | - |
| et | Ethiopia | - | AfriNIC | - |
| eu | European Union | whois.eu | RIPE | - |
| fi | Finland | whois.ficora.fi | RIPE | - |
| fj | Fiji | - | APNIC | - |
| fk | Falkland Islands (Malvinas) | - | LACNIC | - |
| fm | Micronesia, Federated States of | - | APNIC | - |
| fo | Faroe Islands | whois.ripe.net | RIPE | - |
| fr | France | whois.nic.fr | RIPE | - |
| ga | Gabon | whois.ripe.net | AfriNIC | - |
| gb | United Kingdom | whois.ripe.net | RIPE | - |
| gd | Grenada | whois.adamsnames.com | ARIN | - |
| ge | Georgia | whois.ripe.net | RIPE | - |
| gf | French Guiana | - | LACNIC | - |
| gg | Guernsey | whois.gg | RIPE | - |
| gh | Ghana | - | AfriNIC | - |
| gi | Gibraltar | whois2.afilias-grs.net | RIPE | - |
| gl | Greenland | whois.ripe.net | RIPE | - |
| gm | Gambia | whois.ripe.net | AfriNIC | - |
| gn | Guinea | - | AfriNIC | - |
| gov | United States Government | whois.dotgov.gov | ARIN | - |
| gp | Guadeloupe | - | ARIN | - |
| gq | Equatorial Guinea | - | AfriNIC | - |
| gr | Greece | whois.ripe.net | RIPE | - |
| gs | South Georgia and the South Sandwich Islands | whois.cocca.cx whois.nic.gs | LACNIC | - |
| gt | Guatemala | - | LACNIC | - |
| gu | Guam | - | APNIC | - |
| gw | Guinea-Bissau | - | AfriNIC | - |
| gy | Guyana | whois.registry.gy | LACNIC | - |
| hk | Hong Kong | whois.hkdnr.net.hk whois.hkirc.hk | APNIC | - |
| hm | Heard Island and McDonald Islands | webhost1.capital.hm | ARIN | - |
| hn | Honduras | whois2.afilias-grs.net | LACNIC | - |
| hr | Croatia | whois.ripe.net | RIPE | - |
| ht | Haiti | whois.nic.ht | LACNIC | - |
| hu | Hungary | whois.nic.hu | RIPE | - |
| id | Indonesia | - | APNIC | - |
| ie | Ireland | whois.domainregistry.ie | RIPE | - |
| il | Israel | register.isoc.org.il whois.isoc.org.il | RIPE | - |
| im | Isle of Man | whois.nic.im | RIPE | - |
| in | India | whois.inregistry.net | APNIC | - |
| info | Open TLD | whois.afilias.net | ICANN | Afilias Limited |
| int | International Organizations | whois.iana.org | ICANN | IANA |
| io | British Indian Ocean Territory | whois.nic.io | APNIC | - |
| iq | Iraq | - | RIPE | - |
| ir | Iran, Islamic Republic of | whois.nic.ir | RIPE | - |
| is | Iceland | min.isnic.is whois.isnic.is | RIPE | - |
| it | Italy | whois.nic.it | RIPE | - |
| je | Jersey | whois.je | RIPE | - |
| jm | Jamaica | - | ARIN | - |
| jo | Jordan | whois.ripe.net | RIPE | - |
| jobs | Jobs | jobswhois.verisign-grs.com | ICANN | EmployMedia LLC |
| jp | Japan | whois.jprs.jp | APNIC | - |
| ke | Kenya | whois.kenic.or.ke | AfriNIC | - |
| kg | Kyrgyzstan | whois.domain.kg | RIPE | - |
| kh | Cambodia | - | APNIC | - |
| ki | Kiribati | whois.nic.ki | APNIC | - |
| km | Comoros | - | AfriNIC | - |
| kn | Saint Kitts and Nevis | - | ARIN | - |
| kp | Korea, Democratic People's Republic of | whois.kcce.kp | APNIC | - |
| kr | Korea, Republic of | whois.krnic.net whois.nic.or.kr | APNIC | - |
| kw | Kuwait | - | RIPE | - |
| ky | Cayman Islands | - | ARIN | - |
| kz | Kazakhstan | whois.nic.kz | RIPE | - |
| la | Lao People's Democratic Republic | whois.nic.la | APNIC | - |
| lb | Lebanon | - | RIPE | - |
| lc | Saint Lucia | - | ARIN | - |
| li | Liechtenstein | whois.nic.ch whois.nic.li | RIPE | - |
| lk | Sri Lanka | - | APNIC | - |
| lr | Liberia | - | AfriNIC | - |
| ls | Lesotho | - | AfriNIC | - |
| lt | Lithuania | www.whois.lt whois.domreg.lt | RIPE | - |
| lu | Luxembourg | whois.dns.lu | RIPE | - |
| lv | Latvia | whois.ripe.net whois.nic.lv | RIPE | - |
| ly | Libyan Arab Jamahiriya | whois.nic.ly | AfriNIC | - |
| ma | Morocco | whois.iam.net.ma | AfriNIC | - |
| mc | Monaco | whois.ripe.net | RIPE | - |
| md | Moldova, Republic of | whois.nic.md | RIPE | - |
| me | Montenegro | whois.meregistry.net | RIPE | - |
| mf | Saint Martin | - | ARIN | - |
| mg | Madagascar | whois.nic.mg | AfriNIC | - |
| mh | Marshall Islands | - | APNIC | - |
| mil | United States Military | - | ARIN | Defense Information Systems Agency |
| mk | Macedonia, The Former Yugoslav Republic of | whois.ripe.net | RIPE | - |
| ml | Mali | - | AfriNIC | - |
| mm | Myanmar | - | APNIC | - |
| mn | Mongolia | whois.nic.mn | APNIC | - |
| mo | Macao | - | APNIC | - |
| mobi | Mobile products and services | whois.dotmobiregistry.net | ICANN | mTLD Top Level Domain, Ltd |
| mp | Northern Mariana Islands | - | APNIC | - |
| mq | Martinique | - | ARIN | - |
| mr | Mauritania | - | AfriNIC | - |
| ms | Montserrat | whois.nic.ms | ARIN | - |
| mt | Malta | whois.ripe.net | RIPE | - |
| mu | Mauritius | whois.nic.mu | AfriNIC | - |
| museum | Museums | whois.museum | ICANN | Museum Domain Management Association |
| mv | Maldives | - | APNIC | - |
| mw | Malawi | - | AfriNIC | - |
| mx | Mexico | whois.nic.mx | LACNIC | - |
| my | Malaysia | whois.mynic.net.my | APNIC | - |
| mz | Mozambique | - | AfriNIC | - |
| na | Namibia | whois.na-nic.com.na | AfriNIC | - |
| name | Reserved for individuals | whois.nic.name | ICANN | Global Name Registry |
| nc | New Caledonia | - | APNIC | - |
| ne | Niger | - | AfriNIC | - |
| net | Networks | whois.verisign-grs.com | ICANN | Verisign Global Registry Services |
| nf | Norfolk Island | - | APNIC | - |
| ng | Nigeria | - | AfriNIC | - |
| ni | Nicaragua | - | LACNIC | - |
| nl | Netherlands | whois.domain-registry.nl | RIPE | - |
| no | Norway | whois.norid.no | RIPE | - |
| np | Nepal | - | APNIC | - |
| nr | Nauru | - | APNIC | - |
| nu | Niue | whois.worldnames.net whois.nic.nu | APNIC | - |
| nz | New Zealand | srs-ak.srs.net.nz whois.srs.net.nz | APNIC | - |
| om | Oman | - | RIPE | - |
| org | Organizations | whois.publicinterestregistry.net | ICANN | Public Interest Registry |
| pa | Panama | - | LACNIC | - |
| pe | Peru | kero.yachay.pe | LACNIC | - |
| pf | French Polynesia | - | APNIC | - |
| pg | Papua New Guinea | - | APNIC | - |
| ph | Philippines | - | APNIC | - |
| pk | Pakistan | - | APNIC | - |
| pl | Poland | whois.dns.pl | RIPE | - |
| pm | Saint Pierre and Miquelon | whois.nic.pm | ARIN | - |
| pn | Pitcairn | - | APNIC | - |
| pr | Puerto Rico | whois.nic.pr | ARIN | - |
| pro | Credentialed professionals and related entities | whois.registrypro.pro | ICANN | RegistryPro |
| ps | Palestinian Territory, Occupied | - | RIPE | - |
| pt | Portugal | hercules.dns.pt whois.dns.pt online.dns.pt | RIPE | - |
| pw | Palau | - | APNIC | - |
| py | Paraguay | - | LACNIC | - |
| qa | Qatar | - | RIPE | - |
| re | Reunion | whois.nic.fr whois.nic.re | APNIC | - |
| ro | Romania | whois.rotld.ro | RIPE | - |
| rs | Serbia | whois.rnids.rs | RIPE | - |
| ru | Russian Federation | whois.ripn.net | RIPE | - |
| rw | Rwanda | - | AfriNIC | - |
| sa | Saudi Arabia | nic.net.sa whois.saudinic.net.sa | RIPE | - |
| sb | Solomon Islands | whois.nic.net.sb | APNIC | - |
| sc | Seychelles | whois2.afilias-grs.net | AfriNIC | - |
| sd | Sudan | - | AfriNIC | - |
| se | Sweden | whois01.prod.iis.se whois.iis.se | RIPE | - |
| sg | Singapore | eos.nic.net.sg whois.nic.net.sg | APNIC | - |
| sh | Saint Helena | whois.nic.sh | ARIN | - |
| si | Slovenia | whois.arnes.si | RIPE | - |
| sj | Svalbard and Jan Mayen | - | RIPE | - |
| sk | Slovakia | whois.sk-nic.sk | RIPE | - |
| sl | Sierra Leone | - | AfriNIC | - |
| sm | San Marino | whois.ripe.net | RIPE | - |
| sn | Senegal | whois.nic.sn | AfriNIC | - |
| so | Somalia | whois.nic.so | AfriNIC | - |
| sr | Suriname | - | LACNIC | - |
| st | Sao Tome and Principe | whois.nic.st | AfriNIC | - |
| su | Soviet Union (being phased out) | whois.ripn.net | RIPE | RIPN |
| sv | El Salvador | - | LACNIC | - |
| sy | Syrian Arab Republic | - | RIPE | - |
| sz | Swaziland | - | AfriNIC | - |
| tc | Turks and Caicos Islands | whois.adamsnames.tc | ARIN | - |
| td | Chad | - | AfriNIC | - |
| tel | Businesses and individuals to publish their contact data | whois-tel.neustar.biz whois.nic.tel | ICANN | Telnic Limited |
| tf | French Southern Territories | whois.nic.fr whois.nic.tf | APNIC | - |
| tg | Togo | - | AfriNIC | - |
| th | Thailand | whois.thnic.net | APNIC | - |
| tj | Tajikistan | - | RIPE | - |
| tk | Tokelau | whois.dot.tk | APNIC | - |
| tl | Timor-Leste | whois.nic.tl | APNIC | - |
| tm | Turkmenistan | whois.nic.tm | RIPE | - |
| tn | Tunisia | whois.ripe.net | AfriNIC | - |
| to | Tonga | whois.tonic.to | APNIC | - |
| tp | Portuguese Timor (being phased out) | - | APNIC | www.nic.tp |
| tr | Turkey | www.nic.tr whois.nic.tr | RIPE | - |
| travel | Travel industry | whois.nic.travel | ICANN | Tralliance Corporation |
| tt | Trinidad and Tobago | - | LACNIC | - |
| tv | Tuvalu | tvwhois.verisign-grs.com | APNIC | - |
| tw | Taiwan | whois.twnic.net whois.twnic.net.tw | APNIC | - |
| tz | Tanzania, United Republic of | - | AfriNIC | - |
| ua | Ukraine | whois.net.ua | RIPE | - |
| ug | Uganda | whois.co.ug | AfriNIC | - |
| uk | United Kingdom | whois.nic.uk | RIPE | Nominet |
| um | United States Minor Outlying Islands | - | ARIN | - |
| us | United States | whois.nic.us | ARIN | - |
| uy | Uruguay | whois.nic.org.uy | LACNIC | - |
| uz | Uzbekistan | whois.cctld.uz | RIPE | - |
| va | Holy See (Vatican City State) | whois.ripe.net | RIPE | - |
| vc | Saint Vincent and the Grenadines | whois2.afilias-grs.net | ARIN | - |
| ve | Venezuela, Bolivarian Republic of | whois.nic.ve | LACNIC | - |
| vg | Virgin Islands, British | whois.adamsnames.tc | ARIN | - |
| vi | Virgin Islands, U.S. | - | ARIN | - |
| vn | Viet Nam | - | APNIC | - |
| vu | Vanuatu | - | APNIC | - |
| wf | Wallis and Futuna | whois.nic.wf | APNIC | - |
| ws | Samoa | whois.worldsite.ws whois.website.ws | APNIC | - |
| ye | Yemen | - | RIPE | - |
| yt | Mayotte | whois.nic.yt | APNIC | - |
| yu | Yugoslavia (being phased out) | whois.ripe.net | RIPE | RNIDS |
| za | South Africa | - | AfriNIC | - |
| zm | Zambia | - | AfriNIC | - |
| zw | Zimbabwe | - | AfriNIC | - |