The list below shows how many ASNs are assigned to each country. Click on the country links to see more details about the specific ASNs and IP addresses that belong to each country.
| Country | Allocated ASNs |
| United States |
24,745 |
| Russia |
5,748 |
| Brazil |
4,297 |
| United Kingdom |
2,304 |
| Poland |
2,266 |
| Australia |
2,196 |
| Germany |
2,105 |
| Ukraine |
2,024 |
| Canada |
1,881 |
| India |
1,661 |
| Romania |
1,316 |
| France |
1,229 |
| Indonesia |
1,081 |
| China |
1,049 |
| Netherlands |
1,021 |
| Italy |
929 |
| South Korea |
836 |
| Switzerland |
788 |
| South Africa |
773 |
| Japan |
771 |
| Spain |
755 |
| Hong Kong SAR China |
737 |
| Sweden |
734 |
| Bulgaria |
684 |
| Czech Republic |
636 |
| Argentina |
629 |
| Iran |
558 |
| Turkey |
551 |
| Austria |
550 |
| New Zealand |
541 |
| Thailand |
439 |
| Singapore |
438 |
| Bangladesh |
420 |
| Philippines |
379 |
| Mexico |
337 |
| Norway |
325 |
| Denmark |
315 |
| Nigeria |
312 |
| Belgium |
285 |
| Finland |
280 |
| Israel |
280 |
| Slovenia |
279 |
| Latvia |
272 |
| Vietnam |
257 |
| Hungary |
252 |
| Taiwan |
229 |
| Chile |
222 |
| Ireland |
222 |
| Malaysia |
222 |
| Kenya |
186 |
| Greece |
181 |
| Slovakia |
175 |
| Serbia |
174 |
| Colombia |
156 |
| Saudi Arabia |
145 |
| Tanzania |
141 |
| Egypt |
137 |
| Lebanon |
135 |
| Lithuania |
132 |
| Croatia |
127 |
| Ghana |
124 |
| Moldova |
124 |
| Pakistan |
122 |
| Kazakhstan |
119 |
| Belarus |
117 |
| Panama |
113 |
| Cyprus |
99 |
| Estonia |
97 |
| Portugal |
96 |
| Iraq |
89 |
| Luxembourg |
88 |
| United Arab Emirates |
84 |
| Angola |
84 |
| Georgia |
82 |
| Venezuela |
81 |
| Uganda |
75 |
| Armenia |
73 |
| Costa Rica |
71 |
| Ecuador |
71 |
| Iceland |
70 |
| Cambodia |
69 |
| Puerto Rico |
62 |
| Kuwait |
61 |
| Mauritius |
59 |
| Nepal |
58 |
| Honduras |
55 |
| Congo - Kinshasa |
54 |
| Albania |
50 |
| Mozambique |
49 |
| Afghanistan |
48 |
| Azerbaijan |
48 |
| Zimbabwe |
48 |
| Mongolia |
46 |
| Palestinian Territories |
46 |
| Uzbekistan |
46 |
| Botswana |
45 |
| Macedonia |
42 |
| Myanmar [Burma] |
42 |
| Bosnia and Herzegovina |
40 |
| Guatemala |
40 |
| Peru |
39 |
| Zambia |
39 |
| Paraguay |
38 |
| Kyrgyzstan |
37 |
| Malta |
37 |
| Tunisia |
36 |
| Cameroon |
34 |
| Algeria |
34 |
| Jordan |
34 |
| Rwanda |
34 |
| Dominican Republic |
32 |
| Namibia |
32 |
| Uruguay |
31 |
| El Salvador |
29 |
| Bolivia |
28 |
| Seychelles |
27 |
| Congo - Brazzaville |
26 |
| Côte d’Ivoire |
26 |
| Malawi |
26 |
| Nicaragua |
26 |
| Somalia |
26 |
| Burkina Faso |
24 |
| Gabon |
24 |
| Morocco |
24 |
| Bahrain |
23 |
| Benin |
22 |
| Sierra Leone |
22 |
| Burundi |
21 |
| Sri Lanka |
21 |
| Montenegro |
21 |
| Belize |
20 |
| Liechtenstein |
20 |
| Lesotho |
20 |
| Libya |
20 |
| Laos |
19 |
| Bermuda |
17 |
| Gibraltar |
16 |
| Gambia |
16 |
| Liberia |
16 |
| Madagascar |
16 |
| Sudan |
16 |
| Guinea |
14 |
| Niger |
14 |
| Qatar |
14 |
| Chad |
14 |
| Trinidad and Tobago |
14 |
| British Virgin Islands |
14 |
| Brunei |
12 |
| Isle of Man |
12 |
| Cayman Islands |
12 |
| Papua New Guinea |
12 |
| Haiti |
11 |
| Saint Kitts and Nevis |
11 |
| New Caledonia |
11 |
| Swaziland |
11 |
| Bahamas |
10 |
| Fiji |
10 |
| Equatorial Guinea |
10 |
| Jamaica |
10 |
| Mali |
10 |
| Senegal |
10 |
| Tajikistan |
10 |
| Vanuatu |
10 |
| Barbados |
9 |
| Oman |
9 |
| U.S. Virgin Islands |
9 |
| Bhutan |
8 |
| Guam |
8 |
| Mauritania |
8 |
| Maldives |
8 |
| Réunion |
8 |
| San Marino |
8 |
| Cuba |
7 |
| Jersey |
7 |
| Macau SAR China |
7 |
| Syria |
7 |
| Samoa |
7 |
| Central African Republic |
6 |
| Cape Verde |
6 |
| Djibouti |
6 |
| Faroe Islands |
6 |
| Turkmenistan |
6 |
| Antigua and Barbuda |
5 |
| British Antarctic Territory |
5 |
| Grenada |
5 |
| French Guiana |
5 |
| Guyana |
5 |
| Solomon Islands |
5 |
| Suriname |
5 |
| Togo |
5 |
| Timor-Leste |
5 |
| Yemen |
5 |
| Ethiopia |
4 |
| Micronesia |
4 |
| Guadeloupe |
4 |
| Guinea-Bissau |
4 |
| Comoros |
4 |
| French Polynesia |
4 |
| Tonga |
4 |
| Anguilla |
3 |
| Aruba |
3 |
| Dominica |
3 |
| Kiribati |
3 |
| Saint Martin |
3 |
| Palau |
3 |
| Vatican City |
3 |
| Mayotte |
3 |
| American Samoa |
2 |
| Saint Barthélemy |
2 |
| Eritrea |
2 |
| Guernsey |
2 |
| Norfolk Island |
2 |
| Nauru |
2 |
| Niue |
2 |
| São Tomé and Príncipe |
2 |
| Turks and Caicos Islands |
2 |
| Saint Vincent and the Grenadines |
2 |
| Andorra |
1 |
| Antarctica |
1 |
| Åland Islands |
1 |
| Cook Islands |
1 |
| Greenland |
1 |
| British Indian Ocean Territory |
1 |
| North Korea |
1 |
| Saint Lucia |
1 |
| Monaco |
1 |
| Marshall Islands |
1 |
| Northern Mariana Islands |
1 |
| Martinique |
1 |
| Saint Pierre and Miquelon |
1 |
| Tokelau |
1 |
| Tuvalu |
1 |
| Wallis and Futuna |
1 |
Details
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. You can get ASN details for a specific IP address using out JSON geolocation API.