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
1.64B
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 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… |
| 66.203.253.0 – 66.203.253.255 | 256 | US |
allocated | 2026-04-24 | 30d6aa504358… |
| 153.75.16.0 – 153.75.31.255 | 4,096 | US |
allocated | 2026-04-24 | 84c3140cbd6c… |
| 179.199.192.0 – 179.199.255.255 | 16,384 | US |
allocated | 2026-04-24 | 5d19dcc66287… |
| 186.241.64.0 – 186.241.127.255 | 16,384 | US |
allocated | 2026-04-24 | 5d19dcc66287… |
| 186.244.192.0 – 186.244.255.255 | 16,384 | US |
allocated | 2026-04-24 | 5d19dcc66287… |
| 191.45.64.0 – 191.45.127.255 | 16,384 | US |
allocated | 2026-04-24 | 4fe3d5db5b0d… |
| 208.71.255.0 – 208.71.255.255 | 256 | CA |
allocated | 2026-04-24 | 0b17ee341e2c… |
| 23.157.100.0 – 23.157.100.255 | 256 | US |
allocated | 2026-04-23 | 66dd32509ffa… |
| 31.207.0.0 – 31.207.0.255 | 256 | US |
allocated | 2026-04-23 | 4a51f7c59c29… |
| 208.83.32.0 – 208.83.35.255 | 1,024 | US |
allocated | 2026-04-23 | c00f154df180… |
| 23.157.52.0 – 23.157.52.255 | 256 | US |
allocated | 2026-04-22 | 7823b1056a7a… |
| 23.157.108.0 – 23.157.108.255 | 256 | TH |
allocated | 2026-04-22 | 9319078e8ead… |
| 192.65.19.0 – 192.65.19.255 | 256 | US |
allocated | 2026-04-22 | 6e174e0c94ac… |
| 192.158.108.0 – 192.158.108.255 | 256 | US |
allocated | 2026-04-22 | 6e174e0c94ac… |
| 202.37.194.0 – 202.37.194.255 | 256 | US |
allocated | 2026-04-22 | 2f43ee0a3d45… |
| 209.195.240.0 – 209.195.243.255 | 1,024 | CA |
allocated | 2026-04-22 | dbeeaeb280ee… |
| 23.157.36.0 – 23.157.36.255 | 256 | US |
allocated | 2026-04-21 | 309e0a1df8bf… |
| 23.157.44.0 – 23.157.44.255 | 256 | US |
allocated | 2026-04-21 | be9d0b1c4a78… |
| 23.157.60.0 – 23.157.60.255 | 256 | US |
allocated | 2026-04-21 | 2c6255089af7… |
| 69.48.224.0 – 69.48.227.255 | 1,024 | US |
allocated | 2026-04-21 | defa826023b9… |
| 194.61.156.0 – 194.61.157.255 | 512 | CA |
allocated | 2026-04-21 | 60725bea2095… |
| 198.60.224.0 – 198.60.225.255 | 512 | US |
allocated | 2026-04-21 | a4825e709daf… |
| 23.156.244.0 – 23.156.244.255 | 256 | US |
allocated | 2026-04-20 | abc8cd28317e… |
| 23.157.20.0 – 23.157.20.255 | 256 | US |
allocated | 2026-04-20 | e8547bd5228e… |
| 140.232.184.0 – 140.232.191.255 | 2,048 | US |
allocated | 2026-04-20 | 758951cac5e6… |
| 167.254.192.0 – 167.254.199.255 | 2,048 | US |
allocated | 2026-04-20 | 3631c931b209… |
| 192.158.140.0 – 192.158.141.255 | 512 | US |
allocated | 2026-04-20 | 1a656f336321… |
| 206.63.128.0 – 206.63.255.255 | 32,768 | US |
allocated | 2026-04-20 | 7ef6e8f53a0a… |
| 23.156.212.0 – 23.156.212.255 | 256 | TH |
allocated | 2026-04-17 | 431643f982fc… |
| 23.156.220.0 – 23.156.220.255 | 256 | US |
allocated | 2026-04-17 | 84a958d739af… |