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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 141.174.0.0 – 141.174.255.255 | 65,536 |  US |
allocated | 1995-04-18 | 47ac4889612a… |
| 192.75.191.0 – 192.75.191.255 | 256 |  CA |
allocated | 1995-04-18 | 8d25fb9c3474… |
| 204.90.104.0 – 204.90.104.255 | 256 | US |
allocated | 1995-04-18 | 16407b37450d… |
| 205.166.223.0 – 205.166.223.255 | 256 | US |
allocated | 1995-04-18 | e2a08a95e9c8… |
| 205.166.224.0 – 205.166.224.255 | 256 | US |
allocated | 1995-04-18 | 152e6120de97… |
| 205.166.225.0 – 205.166.225.255 | 256 | US |
allocated | 1995-04-18 | 201718187cdc… |
| 205.166.226.0 – 205.166.226.255 | 256 | US |
allocated | 1995-04-18 | df4aa7191e78… |
| 205.166.227.0 – 205.166.227.255 | 256 | US |
allocated | 1995-04-18 | c70bfeff579a… |
| 205.166.228.0 – 205.166.228.255 | 256 | US |
allocated | 1995-04-18 | 233404f6ac58… |
| 205.166.229.0 – 205.166.229.255 | 256 | US |
allocated | 1995-04-18 | 7ea7dcbb356f… |
| 205.172.148.0 – 205.172.151.255 | 1,024 | US |
allocated | 1995-04-18 | ace55d4dc090… |
| 205.172.152.0 – 205.172.155.255 | 1,024 | US |
allocated | 1995-04-18 | ff6c5e15fcad… |
| 205.214.96.0 – 205.214.127.255 | 8,192 | US |
allocated | 1995-04-18 | 125542f801db… |
| 205.214.128.0 – 205.214.159.255 | 8,192 | US |
allocated | 1995-04-18 | 125542f801db… |
| 205.223.0.0 – 205.223.15.255 | 4,096 | US |
allocated | 1995-04-18 | 5346682d948c… |
| 204.138.103.0 – 204.138.103.255 | 256 | CA |
allocated | 1995-04-17 | de16e4533f3b… |
| 205.159.106.0 – 205.159.106.255 | 256 | US |
allocated | 1995-04-17 | 59a16d9c66d4… |
| 205.159.107.0 – 205.159.107.255 | 256 | US |
allocated | 1995-04-17 | 22d9ebcf6e35… |
| 170.220.0.0 – 170.220.255.255 | 65,536 | US |
allocated | 1995-04-14 | dc86ce7065a3… |
| 205.153.48.0 – 205.153.51.255 | 1,024 | US |
allocated | 1995-04-14 | 6278768ce356… |
| 205.166.222.0 – 205.166.222.255 | 256 | US |
allocated | 1995-04-14 | 4f5153f965af… |
| 205.167.40.0 – 205.167.41.255 | 512 | US |
allocated | 1995-04-14 | 78c3aaf8e2de… |
| 205.167.42.0 – 205.167.43.255 | 512 | US |
allocated | 1995-04-14 | 4c48935eba1b… |
| 205.167.44.0 – 205.167.45.255 | 512 | US |
allocated | 1995-04-14 | 7baafdf77dfe… |
| 205.167.46.0 – 205.167.47.255 | 512 | US |
allocated | 1995-04-14 | 1d3e167e368c… |
| 205.172.136.0 – 205.172.139.255 | 1,024 | US |
allocated | 1995-04-14 | f971c17ad218… |
| 205.172.140.0 – 205.172.143.255 | 1,024 | US |
allocated | 1995-04-14 | f2d47ebfee3a… |
| 205.172.144.0 – 205.172.147.255 | 1,024 | US |
allocated | 1995-04-14 | dcae70b4b5e9… |
| 205.175.96.0 – 205.175.127.255 | 8,192 | US |
allocated | 1995-04-14 | 57de9c13c3e4… |
| 205.203.64.0 – 205.203.71.255 | 2,048 | US |
allocated | 1995-04-14 | 332556fdace4… |
| 205.203.72.0 – 205.203.73.255 | 512 | US |
allocated | 1995-04-14 | 332556fdace4… |
| 205.203.76.0 – 205.203.79.255 | 1,024 | US |
allocated | 1995-04-14 | 332556fdace4… |
| 205.203.80.0 – 205.203.95.255 | 4,096 | US |
allocated | 1995-04-14 | 332556fdace4… |
| 205.214.32.0 – 205.214.63.255 | 8,192 | US |
allocated | 1995-04-14 | a7f7463af3d3… |
| 205.214.64.0 – 205.214.95.255 | 8,192 | US |
allocated | 1995-04-14 | c3d03da3f053… |
| 205.228.0.0 – 205.231.255.255 | 262,144 | US |
allocated | 1995-04-14 | e220ed812a4c… |
| 205.232.0.0 – 205.232.255.255 | 65,536 | US |
allocated | 1995-04-14 | 6c065d5b54b8… |
| 205.166.204.0 – 205.166.204.255 | 256 | US |
allocated | 1995-04-13 | 981d75d0be57… |
| 205.166.205.0 – 205.166.205.255 | 256 | US |
allocated | 1995-04-13 | 981d75d0be57… |
| 205.166.206.0 – 205.166.206.255 | 256 | US |
allocated | 1995-04-13 | 92b2a4cde3ac… |
| 205.166.207.0 – 205.166.207.255 | 256 | US |
allocated | 1995-04-13 | 57ed67984587… |
| 205.166.208.0 – 205.166.208.255 | 256 | US |
allocated | 1995-04-13 | a11d696d368d… |
| 205.166.209.0 – 205.166.209.255 | 256 | US |
allocated | 1995-04-13 | e7ebbf8b79ea… |
| 205.166.210.0 – 205.166.210.255 | 256 | US |
allocated | 1995-04-13 | 0e251ad57c2b… |
| 205.166.211.0 – 205.166.211.255 | 256 | US |
allocated | 1995-04-13 | 2bdd455e5e2c… |
| 205.166.212.0 – 205.166.212.255 | 256 | US |
allocated | 1995-04-13 | 92ff2fc2419e… |
| 205.166.213.0 – 205.166.213.255 | 256 | US |
allocated | 1995-04-13 | f93bb6da9807… |
| 205.166.215.0 – 205.166.215.255 | 256 | US |
allocated | 1995-04-13 | 9a75e04092e9… |
| 205.166.216.0 – 205.166.216.255 | 256 | US |
allocated | 1995-04-13 | aecb6cc16c3a… |
| 205.166.217.0 – 205.166.217.255 | 256 | US |
allocated | 1995-04-13 | f32924c53f86… |
| 205.166.218.0 – 205.166.218.255 | 256 | US |
allocated | 1995-04-13 | 8ace5129437a… |
| 205.166.219.0 – 205.166.219.255 | 256 | US |
allocated | 1995-04-13 | baaef4598fad… |
| 205.166.220.0 – 205.166.220.255 | 256 | US |
allocated | 1995-04-13 | 9cfb2fa67ad4… |
| 205.166.221.0 – 205.166.221.255 | 256 | US |
allocated | 1995-04-13 | b8fedc590b14… |
| 205.167.38.0 – 205.167.39.255 | 512 | US |
allocated | 1995-04-13 | e595b4581c25… |
| 205.224.0.0 – 205.227.255.255 | 262,144 | US |
allocated | 1995-04-13 | e5e3b9c13678… |
| 192.81.74.0 – 192.81.74.255 | 256 | US |
allocated | 1995-04-12 | d2aa0c2f567d… |
| 199.123.85.0 – 199.123.85.255 | 256 | US |
allocated | 1995-04-12 | 45fe880b68a8… |
| 205.166.200.0 – 205.166.200.255 | 256 | US |
allocated | 1995-04-12 | 22517646cd38… |
| 205.166.201.0 – 205.166.201.255 | 256 | US |
allocated | 1995-04-12 | 241ecc756e02… |
| 205.166.202.0 – 205.166.202.255 | 256 | US |
allocated | 1995-04-12 | b1d82faeab12… |
| 205.166.203.0 – 205.166.203.255 | 256 | US |
allocated | 1995-04-12 | 9281cabae7ec… |
| 205.172.112.0 – 205.172.115.255 | 1,024 | US |
allocated | 1995-04-12 | ab22b7ef1511… |
| 205.172.128.0 – 205.172.131.255 | 1,024 | US |
allocated | 1995-04-12 | d2aa0c2f567d… |
| 205.172.132.0 – 205.172.135.255 | 1,024 | US |
allocated | 1995-04-12 | f45287115e01… |
| 205.173.168.0 – 205.173.175.255 | 2,048 | US |
allocated | 1995-04-12 | 3f2e6ccd22ec… |
| 205.174.240.0 – 205.174.255.255 | 4,096 | US |
allocated | 1995-04-12 | 99fa9cd93320… |
| 205.214.0.0 – 205.214.31.255 | 8,192 | US |
allocated | 1995-04-12 | 07edd9572757… |
| 205.221.0.0 – 205.221.255.255 | 65,536 | US |
allocated | 1995-04-12 | 6df4868d72c0… |
| 205.222.0.0 – 205.222.255.255 | 65,536 | US |
allocated | 1995-04-12 | c3020afaf2ac… |
| 199.123.86.0 – 199.123.86.255 | 256 | US |
allocated | 1995-04-11 | 45fe880b68a8… |
| 199.123.87.0 – 199.123.87.255 | 256 | US |
allocated | 1995-04-11 | 45fe880b68a8… |
| 199.123.88.0 – 199.123.88.255 | 256 | US |
allocated | 1995-04-11 | 45fe880b68a8… |
| 199.123.89.0 – 199.123.89.255 | 256 | US |
allocated | 1995-04-11 | 45fe880b68a8… |
| 199.123.90.0 – 199.123.90.255 | 256 | US |
allocated | 1995-04-11 | 45fe880b68a8… |
| 205.149.160.0 – 205.149.191.255 | 8,192 | US |
allocated | 1995-04-11 | 9f14454567a6… |
| 205.149.192.0 – 205.149.255.255 | 16,384 | US |
allocated | 1995-04-11 | ce876149de4d… |
| 205.153.44.0 – 205.153.47.255 | 1,024 | US |
allocated | 1995-04-11 | 36368b6b4b77… |
| 205.159.105.0 – 205.159.105.255 | 256 | US |
allocated | 1995-04-11 | 574ff420613c… |
| 205.166.185.0 – 205.166.185.255 | 256 | US |
allocated | 1995-04-11 | 63eb539986d7… |
| 205.166.186.0 – 205.166.186.255 | 256 | US |
allocated | 1995-04-11 | 790b0a93a5f1… |
| 205.166.187.0 – 205.166.187.255 | 256 | US |
allocated | 1995-04-11 | b90a77e3fa9d… |
| 205.166.188.0 – 205.166.188.255 | 256 | US |
allocated | 1995-04-11 | 5cb88bfe52bb… |
| 205.166.189.0 – 205.166.189.255 | 256 | US |
allocated | 1995-04-11 | 39651b10ae50… |
| 205.166.190.0 – 205.166.190.255 | 256 | US |
allocated | 1995-04-11 | b782c2ad4548… |
| 205.166.191.0 – 205.166.191.255 | 256 | US |
allocated | 1995-04-11 | 8fe8287342cd… |
| 205.166.192.0 – 205.166.192.255 | 256 | US |
allocated | 1995-04-11 | 87147a7439a8… |
| 205.166.193.0 – 205.166.193.255 | 256 | US |
allocated | 1995-04-11 | 78b0f669bcd4… |
| 205.166.194.0 – 205.166.194.255 | 256 | US |
allocated | 1995-04-11 | 6eab5ab1b579… |
| 205.166.195.0 – 205.166.195.255 | 256 | US |
allocated | 1995-04-11 | da43aa9e20ec… |
| 205.166.196.0 – 205.166.196.255 | 256 | US |
allocated | 1995-04-11 | 99f8b2857707… |
| 205.166.197.0 – 205.166.197.255 | 256 | US |
allocated | 1995-04-11 | ee628c99ff22… |
| 205.166.198.0 – 205.166.198.255 | 256 | US |
allocated | 1995-04-11 | 9729e5063778… |
| 205.166.199.0 – 205.166.199.255 | 256 | US |
allocated | 1995-04-11 | d54cb9e97a20… |
| 137.246.0.0 – 137.246.255.255 | 65,536 | US |
allocated | 1995-04-10 | 45fe880b68a8… |
| 199.233.169.0 – 199.233.169.255 | 256 | US |
allocated | 1995-04-10 | 32190d2db861… |
| 204.126.242.0 – 204.126.243.255 | 512 | US |
allocated | 1995-04-10 | 7c94823faa12… |
| 205.159.104.0 – 205.159.104.255 | 256 | US |
allocated | 1995-04-10 | da8e3da48789… |
| 205.166.161.0 – 205.166.161.255 | 256 | US |
allocated | 1995-04-10 | d63826f64695… |
| 205.166.163.0 – 205.166.163.255 | 256 | US |
allocated | 1995-04-10 | 5c6887dc2885… |