Browse ANSs by Country


Below you can see list of countries sorted by number of ASNs allocated. Autonomous System Number or ASN is a collection of connected routing prefixes under the control of one or more entities. This unique identifier is globally available and allows its autonomous system to exchange routing information with other systems.

IANA is the organization which assigns ASNs to Regional Internet registries (RIR) which manage the Internet number resources in particual part of the world.

You can click on each country to see the actual ASNs with additional information like the routing prefixes assigned, organization name, peers, upstreams/downstreams and more.
Country ASNs Total IPs assigned
United States of America 27,927 1.1B
Brazil 7,989 87.5M
Russian Federation 6,284 47.5M
Germany 2,878 113.3M
United Kingdom of Great Britain and Northern Ireland 2,830 79.7M
India 2,689 31.8M
Australia 2,647 42.8M
Poland 2,591 18.9M
Canada 2,204 55.4M
Ukraine 2,202 10.8M
China 1,952 344.0M
Indonesia 1,856 20.4M
France 1,594 72.4M
Netherlands 1,496 27.4M
Romania 1,252 6.8M
Italy 1,179 45.6M
Spain 1,147 34.5M
Japan 1,129 169.0M
Argentina 1,109 20.2M
Korea, Republic of 1,036 109.2M
Bangladesh 1,018 1.6M
Hong Kong 1,006 19.0M
Switzerland 947 11.2M
Sweden 837 18.0M
Bulgaria 780 4.7M
Turkey 718 18.5M
Czechia 718 8.5M
Iran (Islamic Republic of) 682 13.4M
Austria 672 21.3M
New Zealand 654 5.8M
South Africa 588 26.8M
Singapore 564 7.0M
Thailand 531 10.6M
Viet Nam 470 16.7M
Mexico 468 24.3M
Philippines 458 5.5M
Denmark 418 11.8M
Norway 384 17.5M
Taiwan, Province of China 361 35.8M
Belgium 356 9.7M
Finland 350 5.7M
Chile 343 9.0M
Israel 339 8.0M
Slovenia 298 2.5M
Latvia 295 1.8M
Hungary 289 4.9M
Malaysia 283 5.7M
Colombia 263 16.2M
Ireland 249 5.1M
Greece 215 4.9M
Pakistan 213 5.7M
Slovakia 213 2.8M
Nigeria 201 1.3M
Lebanon 192 611,328
Moldova, Republic of 191 1.5M
Serbia 189 2.3M
Saudi Arabia 185 10.7M
Lithuania 164 2.6M
Estonia 157 1.2M
Iraq 157 685,056
Kazakhstan 156 3.3M
Croatia 153 2.2M
Ecuador 151 2.2M
Venezuela (Bolivarian Republic of) 135 5.0M
Belarus 132 1.8M
Panama 129 1.8M
Cambodia 127 422,656
Portugal 126 6.5M
Kenya 118 6.0M
Nepal 116 549,632
Luxembourg 112 1.3M
Georgia 111 1.2M
Cyprus 106 1.2M
Myanmar 102 173,824
Honduras 99 478,464
Costa Rica 96 2.3M
United Arab Emirates 94 3.7M
Peru 92 3.2M
Armenia 90 623,616
Puerto Rico 89 690,432
Ghana 85 1.8M
Egypt 83 24.8M
Iceland 81 881,152
Paraguay 80 1.3M
Albania 80 387,072
Tanzania, United Republic of 80 988,672
Kuwait 75 1.8M
Afghanistan 64 162,048
Uzbekistan 63 269,312
Guatemala 62 1.3M
Azerbaijan 62 672,768
Palestine, State of 61 762,368
Dominican Republic 60 1.9M
Angola 56 1.2M
North Macedonia 55 698,624
Mongolia 52 224,512
Kyrgyzstan 51 269,056
Bolivia (Plurinational State of) 48 1.1M
Bosnia and Herzegovina 48 791,808
El Salvador 48 257,024
Uganda 44 1.4M
Jordan 42 633,856
Congo, Democratic Republic of the 42 91,392
Malta 40 663,296
Mauritius 36 2.4M
Uruguay 35 2.4M
Lao People's Democratic Republic 31 72,192
Curaçao 31 161,280
Belize 30 108,032
Nicaragua 30 169,728
Bahrain 28 401,408
Papua New Guinea 28 51,968
Mozambique 28 346,368
Liechtenstein 27 89,600
Sri Lanka 26 580,864
Zimbabwe 26 107,008
Montenegro 24 173,568
Botswana 24 153,344
Tunisia 23 9.9M
Gibraltar 23 195,328
Burkina Faso 23 262,656
Seychelles 23 1.5M
Zambia 22 1.6M
Cameroon 20 662,272
Morocco 20 13.4M
Bhutan 20 50,688
Somalia 19 27,136
Rwanda 19 271,104
Côte d'Ivoire 19 1.7M
Malawi 19 208,640
Bermuda 19 109,568
Sierra Leone 18 74,240
South Sudan 18 16,640
Oman 18 866,560
Virgin Islands (British) 17 28,160
Gabon 17 318,208
Qatar 17 1.2M
Fiji 16 144,640
Congo 16 120,064
New Caledonia 15 154,368
Namibia 15 440,576
Libya 15 396,800
Benin 15 351,744
Tajikistan 15 38,912
Algeria 15 4.8M
Trinidad and Tobago 15 542,464
Liberia 14 120,064
Jamaica 14 285,696
Chad 14 25,600
Brunei Darussalam 14 130,816
Isle of Man 14 13,824
Cayman Islands 14 101,888
Haiti 13 162,304
Senegal 13 62,464
Vanuatu 13 16,128
Guinea 13 24,832
Maldives 13 87,552
Macao 12 364,800
Bahamas 12 154,880
Virgin Islands (U.S.) 12 136,448
Eswatini 12 37,376
Mali 11 75,776
Timor-Leste 11 18,944
Barbados 11 103,936
Burundi 11 37,888
Guam 10 234,240
Sudan 10 1.9M
Gambia 10 267,776
Lesotho 10 126,720
San Marino 10 32,768
Madagascar 9 551,936
Samoa 9 18,688
Solomon Islands 9 13,568
Faroe Islands 8 44,032
Togo 8 296,960
Jersey 8 70,656
Antigua and Barbuda 8 14,848
Grenada 8 27,392
Turkmenistan 7 14,336
Cuba 7 256,256
Equatorial Guinea 7 21,504
Saint Martin (French part) 6 12,800
Syrian Arab Republic 6 1.2M
Saint Barthélemy 6 1,280
Niger 6 28,672
French Guiana 6 4,096
Saint Lucia 6 35,584
Guadeloupe 5 11,264
Guyana 5 66,048
Bonaire, Sint Eustatius and Saba 5 24,576
Suriname 5 80,128
Micronesia (Federated States of) 5 9,984
Réunion 5 244,992
French Polynesia 5 68,352
Yemen 5 208,640
Cabo Verde 4 28,672
Palau 4 5,632
Kiribati 4 5,120
Sint Maarten (Dutch part) 4 40,192
Nauru 4 9,472
Saint Kitts and Nevis 4 13,312
Mauritania 4 41,984
Tonga 4 8,960
Dominica 4 98,048
Mayotte 3 1,280
Aruba 3 77,568
Anguilla 3 5,888
Guernsey 3 2,816
Greenland 3 32,256
Djibouti 3 31,488
Holy See 3 1,792
American Samoa 3 16,384
Guinea-Bissau 2 5,120
Sao Tome and Principe 2 8,960
Central African Republic 2 4,096
Norfolk Island 2 1,280
Åland Islands 2 5,120
Comoros 2 5,120
Saint Vincent and the Grenadines 2 21,504
Martinique 2 512
Ethiopia 2 295,936
Turks and Caicos Islands 2 8,448
Monaco 2 58,624
Tuvalu 2 2,816
Cook Islands 1 6,912
Andorra 1 54,272
Eritrea 1 4,096
United States Minor Outlying Islands 1 256
British Indian Ocean Territory 1 256
Saint Pierre and Miquelon 1 4,608
Marshall Islands 1 4,608
Northern Mariana Islands 1 0
Wallis and Futuna 1 3,584
Tokelau 1 0
Korea (Democratic People's Republic of) 1 1,024
Falkland Islands (Malvinas) 1 3,584
Niue 1 0
Cocos (Keeling) Islands 0 0
French Southern Territories 0 0
South Georgia and the South Sandwich Islands 0 0
Saint Helena, Ascension and Tristan da Cunha 0 0
Montserrat 0 0
Heard Island and McDonald Islands 0 0
Antarctica 0 0
Pitcairn 0 0
Svalbard and Jan Mayen 0 0
Western Sahara 0 0
Bouvet Island 0 0
Christmas Island 0 0