Regional Internet Registries Statistics

RIR Delegations & RIPE NCC Allocations

ARIN - ASN delegation statistics by country - Sorted by number of ASNs

Data from ARIN delegations file as of: Mon Mar 30 2026

Total number: 33 817

This page gives the number of Autonomous System Numbers (ASNs) delegated in each country of the ARIN region (North America), according to ARIN delegations file.

The link on a country name redirects to the list of ASNs delegated in this country.

The table can be sorted by number of ASNs or by country name.

Rank Country Code Number Percentage
1 United States US 31 034 91.770 %
2 Canada CA 2 397 7.088 %
3 Puerto Rico PR 122 0.361 %
4 United Kingdom UK 23 0.068 %
5 Bermuda BM 21 0.062 %
5 Virgin Islands, British VG 21 0.062 %
7 Cayman Islands KY 16 0.047 %
8 Jamaica JM 15 0.044 %
9 Antigua and Barbuda AG 13 0.038 %
9 Bahamas BS 13 0.038 %
9 Virgin Islands, U.S. VI 13 0.038 %
12 Grenada GD 11 0.033 %
13 Barbados BB 10 0.030 %
14 France FR 8 0.024 %
14 Guadeloupe GP 8 0.024 %
14 Japan JP 8 0.024 %
17 Saint Kitts and Nevis KN 7 0.021 %
17 Saint Lucia LC 7 0.021 %
17 Singapore SG 7 0.021 %
17 Viet Nam VN 7 0.021 %
21 Dominica DM 6 0.018 %
21 Saint Martin (French part) MF 6 0.018 %
23 Saint Barthélemy BL 4 0.012 %
23 Saint Vincent and the Grenadines VC 4 0.012 %
25 Anguilla AI 3 0.009 %
25 Netherlands NL 3 0.009 %
25 Thailand TH 3 0.009 %
28 Czech Republic CZ 2 0.006 %
28 Italy IT 2 0.006 %
28 Korea, Republic of KR 2 0.006 %
28 Martinique MQ 2 0.006 %
28 Mexico MX 2 0.006 %
28 Panama PA 2 0.006 %
28 Turks and Caicos Islands TC 2 0.006 %
35 Australia AU 1 0.003 %
35 China CN 1 0.003 %
35 Dominican Republic DO 1 0.003 %
35 Finland FI 1 0.003 %
35 Germany DE 1 0.003 %
35 Guam GU 1 0.003 %
35 Israel IL 1 0.003 %
35 Malaysia MY 1 0.003 %
35 Marshall Islands MH 1 0.003 %
35 Montserrat MS 1 0.003 %
35 Philippines PH 1 0.003 %
35 Saint Pierre and Miquelon PM 1 0.003 %
35 Spain ES 1 0.003 %