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
Czechia 718 8.5M
Turkey 718 18.5M
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
Iraq 157 685,056
Estonia 157 1.2M
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
Albania 80 387,072
Tanzania, United Republic of 80 988,672
Paraguay 80 1.3M
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
Bosnia and Herzegovina 48 791,808
El Salvador 48 257,024
Bolivia (Plurinational State of) 48 1.1M
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
Curaçao 31 161,280
Lao People's Democratic Republic 31 72,192
Belize 30 108,032
Nicaragua 30 169,728
Papua New Guinea 28 51,968
Mozambique 28 346,368
Bahrain 28 401,408
Liechtenstein 27 89,600
Sri Lanka 26 580,864
Zimbabwe 26 107,008
Montenegro 24 173,568
Botswana 24 153,344
Gibraltar 23 195,328
Burkina Faso 23 262,656
Seychelles 23 1.5M
Tunisia 23 9.9M
Zambia 22 1.6M
Morocco 20 13.4M
Bhutan 20 50,688
Cameroon 20 662,272
Malawi 19 208,640
Bermuda 19 109,568
Rwanda 19 271,104
Somalia 19 27,136
Côte d'Ivoire 19 1.7M
Oman 18 866,560
Sierra Leone 18 74,240
South Sudan 18 16,640
Gabon 17 318,208
Virgin Islands (British) 17 28,160
Qatar 17 1.2M
Congo 16 120,064
Fiji 16 144,640
Libya 15 396,800
Tajikistan 15 38,912
Benin 15 351,744
Trinidad and Tobago 15 542,464
Algeria 15 4.8M
New Caledonia 15 154,368
Namibia 15 440,576
Liberia 14 120,064
Cayman Islands 14 101,888
Chad 14 25,600
Isle of Man 14 13,824
Brunei Darussalam 14 130,816
Jamaica 14 285,696
Senegal 13 62,464
Vanuatu 13 16,128
Maldives 13 87,552
Guinea 13 24,832
Haiti 13 162,304
Eswatini 12 37,376
Bahamas 12 154,880
Macao 12 364,800
Virgin Islands (U.S.) 12 136,448
Burundi 11 37,888
Mali 11 75,776
Timor-Leste 11 18,944
Barbados 11 103,936
Lesotho 10 126,720
Sudan 10 1.9M
San Marino 10 32,768
Gambia 10 267,776
Guam 10 234,240
Solomon Islands 9 13,568
Samoa 9 18,688
Madagascar 9 551,936
Jersey 8 70,656
Antigua and Barbuda 8 14,848
Faroe Islands 8 44,032
Grenada 8 27,392
Togo 8 296,960
Cuba 7 256,256
Equatorial Guinea 7 21,504
Turkmenistan 7 14,336
Saint Martin (French part) 6 12,800
Niger 6 28,672
Saint Lucia 6 35,584
French Guiana 6 4,096
Saint Barthélemy 6 1,280
Syrian Arab Republic 6 1.2M
Réunion 5 244,992
Suriname 5 80,128
French Polynesia 5 68,352
Yemen 5 208,640
Guyana 5 66,048
Guadeloupe 5 11,264
Micronesia (Federated States of) 5 9,984
Bonaire, Sint Eustatius and Saba 5 24,576
Nauru 4 9,472
Dominica 4 98,048
Palau 4 5,632
Tonga 4 8,960
Mauritania 4 41,984
Cabo Verde 4 28,672
Kiribati 4 5,120
Sint Maarten (Dutch part) 4 40,192
Saint Kitts and Nevis 4 13,312
Anguilla 3 5,888
Holy See 3 1,792
Guernsey 3 2,816
Greenland 3 32,256
Mayotte 3 1,280
American Samoa 3 16,384
Aruba 3 77,568
Djibouti 3 31,488
Central African Republic 2 4,096
Martinique 2 512
Comoros 2 5,120
Tuvalu 2 2,816
Monaco 2 58,624
Åland Islands 2 5,120
Ethiopia 2 295,936
Saint Vincent and the Grenadines 2 21,504
Norfolk Island 2 1,280
Guinea-Bissau 2 5,120
Sao Tome and Principe 2 8,960
Turks and Caicos Islands 2 8,448
Korea (Democratic People's Republic of) 1 1,024
Tokelau 1 0
Wallis and Futuna 1 3,584
Saint Pierre and Miquelon 1 4,608
Niue 1 0
Falkland Islands (Malvinas) 1 3,584
Cook Islands 1 6,912
British Indian Ocean Territory 1 256
Andorra 1 54,272
Eritrea 1 4,096
United States Minor Outlying Islands 1 256
Northern Mariana Islands 1 0
Marshall Islands 1 4,608
Heard Island and McDonald Islands 0 0
Western Sahara 0 0
Pitcairn 0 0
Antarctica 0 0
Montserrat 0 0
Bouvet Island 0 0
Svalbard and Jan Mayen 0 0
French Southern Territories 0 0
Christmas Island 0 0
Cocos (Keeling) Islands 0 0
Saint Helena, Ascension and Tristan da Cunha 0 0
South Georgia and the South Sandwich Islands 0 0