ARIN registry — WHOIS, browse & statistics
A daily mirror of ARIN's public delegated registry (North America). Look up a resource, browse every object, or find a company's resources by name.
Single-resource lookup in ARIN’s delegated registry, enriched live from ARIN RDAP.
// what ARIN has delegated
ARIN registry at a glance
🌐
Assigned IPv4 addresses
1.65B
1,645,592,320
📦
IPv4 networks
76,752
delegated blocks
🧭
IPv6 networks
11,431
delegated blocks
🔗
Autonomous systems
34,103
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 201.29.0.0 – 201.29.255.255 | 65,536 |  US |
allocated | 2026-05-27 | ace55d4dc090… |
| 206.109.96.0 – 206.109.103.255 | 2,048 | US |
allocated | 2026-05-27 | 088b6e772937… |
| 23.158.212.0 – 23.158.212.255 | 256 | US |
allocated | 2026-05-26 | 84f555506dd5… |
| 23.158.220.0 – 23.158.220.255 | 256 |  TH |
allocated | 2026-05-26 | f0cda5efc4a0… |
| 68.169.92.0 – 68.169.93.255 | 512 |  CA |
allocated | 2026-05-26 | 364d00bda399… |
| 170.101.32.0 – 170.101.63.255 | 8,192 | US |
allocated | 2026-05-26 | dfc3bc302cd1… |
| 190.2.190.0 – 190.2.190.255 | 256 | US |
allocated | 2026-05-26 | d70561d87f9f… |
| 206.109.206.0 – 206.109.207.255 | 512 | US |
allocated | 2026-05-26 | 47a3e349b788… |
| 209.131.116.0 – 209.131.117.255 | 512 | US |
allocated | 2026-05-26 | 2e23e8325ce6… |
| 23.158.148.0 – 23.158.148.255 | 256 | US |
allocated | 2026-05-22 | 693cbc2b09d2… |
| 23.158.164.0 – 23.158.164.255 | 256 | US |
allocated | 2026-05-22 | 08c939943d71… |
| 136.143.198.0 – 136.143.198.255 | 256 | US |
allocated | 2026-05-22 | 7350d3a941f2… |
| 23.158.156.0 – 23.158.156.255 | 256 | US |
allocated | 2026-05-21 | 81020f1e4e00… |
| 68.169.94.0 – 68.169.94.255 | 256 | US |
allocated | 2026-05-21 | 9e4a35697b45… |
| 140.232.160.0 – 140.232.163.255 | 1,024 | US |
allocated | 2026-05-21 | 7b7d3571939d… |
| 151.185.64.0 – 151.185.127.255 | 16,384 | US |
allocated | 2026-05-21 | 2b6f5bfa96ab… |
| 153.75.96.0 – 153.75.111.255 | 4,096 | US |
allocated | 2026-05-21 | bde119b5e621… |
| 162.35.160.0 – 162.35.191.255 | 8,192 | US |
allocated | 2026-05-21 | 13d512adeacc… |
| 50.115.28.0 – 50.115.31.255 | 1,024 | US |
allocated | 2026-05-20 | 53e811a28453… |
| 69.50.160.0 – 69.50.191.255 | 8,192 | US |
allocated | 2026-05-20 | 0a5ac32e0baf… |
| 104.251.180.0 – 104.251.183.255 | 1,024 |  KN |
allocated | 2026-05-20 | ff490b631533… |
| 167.104.32.0 – 167.104.47.255 | 4,096 | US |
allocated | 2026-05-20 | 8d009ee47227… |
| 64.239.232.0 – 64.239.235.255 | 1,024 | US |
allocated | 2026-05-19 | 73659671219e… |
| 68.169.95.0 – 68.169.95.255 | 256 | US |
allocated | 2026-05-19 | ebe13e9ba1e0… |
| 167.104.56.0 – 167.104.63.255 | 2,048 | US |
allocated | 2026-05-19 | 4ac541fcd531… |
| 23.158.84.0 – 23.158.84.255 | 256 | US |
allocated | 2026-05-18 | 00349359d7ed… |
| 23.158.92.0 – 23.158.92.255 | 256 | US |
allocated | 2026-05-18 | 2da703566619… |
| 23.158.100.0 – 23.158.100.255 | 256 | US |
allocated | 2026-05-18 | 57a8e4e49803… |
| 23.158.108.0 – 23.158.108.255 | 256 | US |
allocated | 2026-05-18 | a96318b33318… |
| 23.158.132.0 – 23.158.132.255 | 256 |  SG |
allocated | 2026-05-18 | 43ff85b31fc2… |
| 23.158.140.0 – 23.158.140.255 | 256 | US |
allocated | 2026-05-18 | 37a7e3b1a05e… |
| 31.64.0.0 – 31.67.255.255 | 262,144 | US |
allocated | 2026-05-18 | 9504b501ac24… |
| 31.99.128.0 – 31.99.143.255 | 4,096 | US |
allocated | 2026-05-18 | 9504b501ac24… |
| 31.99.152.0 – 31.99.152.255 | 256 | US |
allocated | 2026-05-18 | 9504b501ac24… |
| 170.178.148.0 – 170.178.151.255 | 1,024 | US |
allocated | 2026-05-18 | e2a29c6554fd… |
| 199.85.255.0 – 199.85.255.255 | 256 | US |
allocated | 2026-05-18 | 6b4372a556d3… |
| 208.71.254.0 – 208.71.254.255 | 256 | US |
allocated | 2026-05-18 | 4374213b3b1c… |
| 23.158.36.0 – 23.158.36.255 | 256 | CA |
allocated | 2026-05-15 | 0b17ee341e2c… |
| 23.158.52.0 – 23.158.52.255 | 256 | US |
allocated | 2026-05-15 | a8a13761ed1a… |
| 131.162.216.0 – 131.162.223.255 | 2,048 | US |
allocated | 2026-05-15 | 7f1938ceeaa4… |
| 136.143.136.0 – 136.143.136.255 | 256 | US |
allocated | 2026-05-15 | bb16abeecaa2… |
| 140.232.88.0 – 140.232.88.255 | 256 | US |
allocated | 2026-05-15 | 9831d3ae363c… |
| 161.210.104.0 – 161.210.107.255 | 1,024 | US |
allocated | 2026-05-15 | 4cf6bd36030e… |
| 198.235.16.0 – 198.235.19.255 | 1,024 | US |
allocated | 2026-05-15 | a8238405622e… |
| 199.120.228.0 – 199.120.229.255 | 512 | US |
allocated | 2026-05-15 | b86c84374658… |
| 209.135.130.0 – 209.135.130.255 | 256 | US |
allocated | 2026-05-15 | 4129d6173abd… |
| 23.158.44.0 – 23.158.44.255 | 256 | US |
allocated | 2026-05-14 | de2a4d781870… |
| 64.29.160.0 – 64.29.175.255 | 4,096 | CA |
allocated | 2026-05-14 | f25fb54af87b… |
| 136.143.200.0 – 136.143.200.255 | 256 | US |
allocated | 2026-05-14 | 3ee2c474a613… |
| 23.158.20.0 – 23.158.20.255 | 256 | CA |
allocated | 2026-05-13 | 39357278f65d… |
| 23.190.24.0 – 23.190.24.255 | 256 | US |
allocated | 2026-05-13 | 56f3740fef0e… |
| 187.40.128.0 – 187.40.191.255 | 16,384 | US |
allocated | 2026-05-13 | b76bca2ed648… |
| 207.241.184.0 – 207.241.184.255 | 256 | US |
allocated | 2026-05-13 | 7c97acedbf7d… |
| 213.239.137.0 – 213.239.137.255 | 256 | US |
allocated | 2026-05-13 | 37c991ab32e3… |
| 153.75.192.0 – 153.75.207.255 | 4,096 | US |
allocated | 2026-05-12 | 18f1fd1089d3… |
| 204.62.124.0 – 204.62.125.255 | 512 | US |
allocated | 2026-05-12 | dcb34a085edc… |
| 204.62.126.0 – 204.62.126.255 | 256 | US |
allocated | 2026-05-12 | dcb34a085edc… |
| 208.71.248.0 – 208.71.249.255 | 512 | US |
allocated | 2026-05-12 | 66f4d2b14c5e… |
| 209.135.147.0 – 209.135.147.255 | 256 | US |
allocated | 2026-05-12 | e147263eb7d6… |
| 23.157.244.0 – 23.157.244.255 | 256 | US |
allocated | 2026-05-11 | 1f3718bcac3a… |
| 23.158.4.0 – 23.158.4.255 | 256 | CA |
allocated | 2026-05-11 | 4e97eb1b9432… |
| 23.158.12.0 – 23.158.12.255 | 256 | US |
allocated | 2026-05-11 | d906a5219094… |
| 23.158.28.0 – 23.158.28.255 | 256 | US |
allocated | 2026-05-11 | 03a7ebdf09dd… |
| 23.157.252.0 – 23.157.252.255 | 256 | TH |
allocated | 2026-05-08 | 1c7ded91a94a… |
| 66.179.116.0 – 66.179.119.255 | 1,024 | US |
allocated | 2026-05-08 | 8e64c11e723c… |
| 134.49.248.0 – 134.49.251.255 | 1,024 | US |
allocated | 2026-05-08 | e4b102803afa… |
| 153.60.0.0 – 153.60.31.255 | 8,192 | US |
allocated | 2026-05-08 | 43a2bf5c4478… |
| 153.75.208.0 – 153.75.223.255 | 4,096 | US |
allocated | 2026-05-08 | 43a2bf5c4478… |
| 23.157.196.0 – 23.157.196.255 | 256 | US |
allocated | 2026-05-07 | 7ab1da403fe2… |
| 23.157.204.0 – 23.157.204.255 | 256 | TH |
allocated | 2026-05-07 | 29ad72b2fded… |
| 23.157.212.0 – 23.157.212.255 | 256 | US |
allocated | 2026-05-07 | c7fe4509ef79… |
| 23.157.228.0 – 23.157.228.255 | 256 | US |
allocated | 2026-05-07 | 090bf85e94da… |
| 23.157.236.0 – 23.157.236.255 | 256 |  MX |
allocated | 2026-05-07 | 6745dfc74b45… |
| 91.103.141.0 – 91.103.141.255 | 256 | US |
allocated | 2026-05-07 | beef642041e1… |
| 74.121.248.0 – 74.121.255.255 | 2,048 | US |
allocated | 2026-05-06 | ceaa1028061c… |
| 153.57.128.0 – 153.57.191.255 | 16,384 | US |
allocated | 2026-05-06 | 9110af53e7fc… |
| 153.75.112.0 – 153.75.127.255 | 4,096 | US |
allocated | 2026-05-06 | 51d4775cc480… |
| 167.104.196.0 – 167.104.199.255 | 1,024 | US |
allocated | 2026-05-06 | 7894cd538363… |
| 199.115.174.0 – 199.115.174.255 | 256 | US |
allocated | 2026-05-06 | cf4bea0a2420… |
| 23.157.180.0 – 23.157.180.255 | 256 | US |
allocated | 2026-05-05 | 88d320063aef… |
| 149.112.198.0 – 149.112.198.255 | 256 | US |
allocated | 2026-05-05 | ef8b1c4f9db6… |
| 149.112.199.0 – 149.112.199.255 | 256 | US |
allocated | 2026-05-05 | 9424b1a84904… |
| 23.157.164.0 – 23.157.164.255 | 256 | US |
allocated | 2026-05-01 | b1bd10b1a1b0… |
| 31.207.2.0 – 31.207.3.255 | 512 | CA |
allocated | 2026-05-01 | f793593e19e0… |
| 23.157.148.0 – 23.157.148.255 | 256 | US |
allocated | 2026-04-30 | 8b13407d0617… |
| 23.157.172.0 – 23.157.172.255 | 256 | US |
allocated | 2026-04-30 | aeb1d1a074fc… |
| 170.101.96.0 – 170.101.127.255 | 8,192 | US |
allocated | 2026-04-30 | 68b3a6c125b9… |
| 23.157.124.0 – 23.157.124.255 | 256 | US |
allocated | 2026-04-28 | f5726c0a014d… |
| 23.157.132.0 – 23.157.132.255 | 256 | US |
allocated | 2026-04-28 | 6c51f00728ab… |
| 23.157.140.0 – 23.157.140.255 | 256 | US |
allocated | 2026-04-28 | 86d61b06bfbf… |
| 23.157.156.0 – 23.157.156.255 | 256 | US |
allocated | 2026-04-28 | 1336908a29b7… |
| 66.171.34.0 – 66.171.35.255 | 512 | US |
allocated | 2026-04-28 | 5b9ecfcd96b0… |
| 74.117.191.0 – 74.117.191.255 | 256 | US |
allocated | 2026-04-28 | 08851718061f… |
| 152.55.252.0 – 152.55.255.255 | 1,024 | US |
allocated | 2026-04-28 | f04f3cf156c3… |
| 45.74.252.0 – 45.74.253.255 | 512 | US |
allocated | 2026-04-27 | 3c1f05563829… |
| 66.242.52.0 – 66.242.55.255 | 1,024 | US |
allocated | 2026-04-27 | 5802f64064ee… |
| 131.162.232.0 – 131.162.235.255 | 1,024 | US |
allocated | 2026-04-27 | 75653ec5e5a4… |
| 149.112.197.0 – 149.112.197.255 | 256 | US |
allocated | 2026-04-27 | b1f55129482b… |
| 161.13.192.0 – 161.13.255.255 | 16,384 | US |
allocated | 2026-04-27 | dec8e3d28d2c… |
| 201.79.0.0 – 201.79.255.255 | 65,536 | US |
allocated | 2026-04-27 | cd0f3b8e7d94… |