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
|
|
Congo, Democratic Republic of the
|
42 |
91,392
|
|
Jordan
|
42 |
633,856
|
|
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
|
|
Mozambique
|
28 |
346,368
|
|
Papua New Guinea
|
28 |
51,968
|
|
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
|
|
Rwanda
|
19 |
271,104
|
|
Somalia
|
19 |
27,136
|
|
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
|
|
San Marino
|
10 |
32,768
|
|
Lesotho
|
10 |
126,720
|
|
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
|
|
Yemen
|
5 |
208,640
|
|
French Polynesia
|
5 |
68,352
|
|
Cabo Verde
|
4 |
28,672
|
|
Palau
|
4 |
5,632
|
|
Sint Maarten (Dutch part)
|
4 |
40,192
|
|
Kiribati
|
4 |
5,120
|
|
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
|
|
Djibouti
|
3 |
31,488
|
|
Greenland
|
3 |
32,256
|
|
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
|
|
United States Minor Outlying Islands
|
1 |
256
|
|
Eritrea
|
1 |
4,096
|
|
British Indian Ocean Territory
|
1 |
256
|
|
Saint Pierre and Miquelon
|
1 |
4,608
|
|
Marshall Islands
|
1 |
4,608
|
|
Northern Mariana Islands
|
1 |
0
|
|
Tokelau
|
1 |
0
|
|
Wallis and Futuna
|
1 |
3,584
|
|
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
|
|
Montserrat
|
0 |
0
|
|
Saint Helena, Ascension and Tristan da Cunha
|
0 |
0
|
|
South Georgia and the South Sandwich Islands
|
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
|
