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 - Autonomous System Number statistics - Sorted by number

Data from RIR websites as of: Mon Dec 08 2025

Total number: 33 613

Rank Country Code Number Percentage
1 United States US 30 866 91.828 %
2 Canada CA 2 372 7.057 %
3 Puerto Rico PR 121 0.360 %
4 United Kingdom GB 22 0.065 %
5 Bermuda BM 21 0.062 %
6 Virgin Islands, British VG 19 0.057 %
7 Cayman Islands KY 15 0.045 %
7 Jamaica JM 15 0.045 %
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 Viet Nam VN 7 0.021 %
19 Dominica DM 6 0.018 %
19 Saint Lucia LC 6 0.018 %
19 Saint Martin (French part) MF 6 0.018 %
19 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 %