Regional Internet Registries Statistics

RIR Delegations & RIPE NCC Allocations
Home > RIR Delegations > ARIN ASN Statistics

RIR Delegations

Distribution by zone
IP lists by country

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

Data from RIR websites as of: Mon Feb 23 2026

Total number: 33 729

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

The table can be sorted by number of ASNs or by country name.
Rank Country Code Number Percentage
1 United States US 30 968 91.814 %
2 Canada CA 2 382 7.062 %
3 Puerto Rico PR 122 0.362 %
4 United Kingdom UK 23 0.068 %
5 Bermuda BM 21 0.062 %
6 Virgin Islands, British VG 19 0.056 %
7 Cayman Islands KY 16 0.047 %
8 Jamaica JM 15 0.044 %
9 Antigua and Barbuda AG 13 0.039 %
9 Bahamas BS 13 0.039 %
9 Virgin Islands, U.S. VI 13 0.039 %
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 Viet Nam VN 7 0.021 %
20 Dominica DM 6 0.018 %
20 Saint Martin (French part) MF 6 0.018 %
20 Singapore SG 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 %
27 Czech Republic CZ 2 0.006 %
27 Italy IT 2 0.006 %
27 Korea, Republic of KR 2 0.006 %
27 Martinique MQ 2 0.006 %
27 Mexico MX 2 0.006 %
27 Panama PA 2 0.006 %
27 Turks and Caicos Islands TC 2 0.006 %
34 Australia AU 1 0.003 %
34 China CN 1 0.003 %
34 Dominican Republic DO 1 0.003 %
34 Finland FI 1 0.003 %
34 Germany DE 1 0.003 %
34 Guam GU 1 0.003 %
34 Israel IL 1 0.003 %
34 Marshall Islands MH 1 0.003 %
34 Montserrat MS 1 0.003 %
34 Saint Pierre and Miquelon PM 1 0.003 %
34 Spain ES 1 0.003 %
34 Thailand TH 1 0.003 %