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
1,645,667,328
📦
IPv4 networks
76,693
delegated blocks
🧭
IPv6 networks
11,352
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.254.155.0 – 199.254.155.255 | 256 |  US |
allocated | 1994-10-14 | 93d2d182bdf3… |
| 199.254.156.0 – 199.254.156.255 | 256 | US |
allocated | 1994-10-14 | 51fafc905fd6… |
| 199.254.157.0 – 199.254.157.255 | 256 | US |
allocated | 1994-10-14 | 4b38da225171… |
| 199.254.159.0 – 199.254.159.255 | 256 | US |
allocated | 1994-10-14 | dd1c7663b895… |
| 204.124.92.0 – 204.124.93.255 | 512 | US |
allocated | 1994-10-14 | 2ab4c4563724… |
| 204.124.94.0 – 204.124.94.255 | 256 | US |
allocated | 1994-10-14 | 2ab4c4563724… |
| 204.124.100.0 – 204.124.103.255 | 1,024 | US |
allocated | 1994-10-14 | 6d2352e9b9f9… |
| 168.173.0.0 – 168.173.255.255 | 65,536 | US |
allocated | 1994-10-13 | e0854f77bc4c… |
| 168.174.0.0 – 168.174.255.255 | 65,536 | US |
allocated | 1994-10-13 | 6107f9c648b4… |
| 168.175.0.0 – 168.175.255.255 | 65,536 | US |
allocated | 1994-10-13 | dd02f9b1a9de… |
| 199.254.128.0 – 199.254.128.255 | 256 | US |
allocated | 1994-10-13 | b9bedb66609a… |
| 199.254.129.0 – 199.254.129.255 | 256 | US |
allocated | 1994-10-13 | 7710f9181221… |
| 199.254.130.0 – 199.254.130.255 | 256 | US |
allocated | 1994-10-13 | 8e27ee85df52… |
| 199.254.131.0 – 199.254.131.255 | 256 | US |
allocated | 1994-10-13 | 98271b6afaf6… |
| 199.254.132.0 – 199.254.132.255 | 256 | US |
allocated | 1994-10-13 | 87b2eef0e2b3… |
| 199.254.134.0 – 199.254.134.255 | 256 | US |
allocated | 1994-10-13 | 4ba938c15e44… |
| 199.254.136.0 – 199.254.136.255 | 256 | US |
allocated | 1994-10-13 | 2edc1b78245a… |
| 199.254.137.0 – 199.254.137.255 | 256 | US |
allocated | 1994-10-13 | 8a0ad8cfffad… |
| 199.254.138.0 – 199.254.138.255 | 256 | US |
allocated | 1994-10-13 | 2eb271d6c28f… |
| 199.254.139.0 – 199.254.139.255 | 256 | US |
allocated | 1994-10-13 | b4755042d955… |
| 199.254.140.0 – 199.254.140.255 | 256 | US |
allocated | 1994-10-13 | 98dd2a476359… |
| 199.254.141.0 – 199.254.141.255 | 256 | US |
allocated | 1994-10-13 | 067957855bc8… |
| 199.254.142.0 – 199.254.142.255 | 256 | US |
allocated | 1994-10-13 | 777be2362d14… |
| 204.80.65.0 – 204.80.65.255 | 256 | US |
allocated | 1994-10-13 | 4c1d53ac5598… |
| 204.80.66.0 – 204.80.67.255 | 512 | US |
allocated | 1994-10-13 | 4c1d53ac5598… |
| 204.80.68.0 – 204.80.71.255 | 1,024 | US |
allocated | 1994-10-13 | 4c1d53ac5598… |
| 204.80.72.0 – 204.80.79.255 | 2,048 | US |
allocated | 1994-10-13 | 4c1d53ac5598… |
| 204.80.80.0 – 204.80.83.255 | 1,024 | US |
allocated | 1994-10-13 | 4c1d53ac5598… |
| 204.80.84.0 – 204.80.85.255 | 512 | US |
allocated | 1994-10-13 | 4c1d53ac5598… |
| 204.110.160.0 – 204.110.175.255 | 4,096 | US |
allocated | 1994-10-13 | 324e2e8bb072… |
| 204.115.168.0 – 204.115.175.255 | 2,048 | US |
allocated | 1994-10-13 | 91c228af2dfc… |
| 204.115.176.0 – 204.115.183.255 | 2,048 | US |
allocated | 1994-10-13 | 0b4c396f0b41… |
| 204.126.14.0 – 204.126.15.255 | 512 | US |
allocated | 1994-10-13 | 4e495c05bb41… |
| 204.154.80.0 – 204.154.87.255 | 2,048 | US |
allocated | 1994-10-13 | 56c20685b801… |
| 204.170.0.0 – 204.171.255.255 | 131,072 | US |
allocated | 1994-10-13 | 9f14454567a6… |
| 204.107.103.0 – 204.107.103.255 | 256 | US |
allocated | 1994-10-12 | e38ff62fe1de… |
| 204.107.104.0 – 204.107.104.255 | 256 | US |
allocated | 1994-10-12 | 1594e64d571c… |
| 204.107.105.0 – 204.107.105.255 | 256 | US |
allocated | 1994-10-12 | e4a25f8062d9… |
| 204.107.106.0 – 204.107.106.255 | 256 | US |
allocated | 1994-10-12 | 9aade6e6ff55… |
| 204.107.107.0 – 204.107.107.255 | 256 | US |
allocated | 1994-10-12 | 2aa534c1d5ac… |
| 204.107.108.0 – 204.107.108.255 | 256 | US |
allocated | 1994-10-12 | bdc2d3f78005… |
| 204.107.109.0 – 204.107.109.255 | 256 | US |
allocated | 1994-10-12 | 01cc5157ef53… |
| 204.107.110.0 – 204.107.110.255 | 256 | US |
allocated | 1994-10-12 | f1cb3440fa7e… |
| 204.107.111.0 – 204.107.111.255 | 256 | US |
allocated | 1994-10-12 | 4e9a139641a0… |
| 204.107.112.0 – 204.107.112.255 | 256 | US |
allocated | 1994-10-12 | 1eab470a6f70… |
| 204.107.113.0 – 204.107.113.255 | 256 | US |
allocated | 1994-10-12 | 0b1bd47f4dc7… |
| 204.107.114.0 – 204.107.114.255 | 256 | US |
allocated | 1994-10-12 | 59050b2f3fc9… |
| 204.107.123.0 – 204.107.123.255 | 256 | US |
allocated | 1994-10-12 | 35f167c52294… |
| 204.107.124.0 – 204.107.124.255 | 256 | US |
allocated | 1994-10-12 | 0418d3fd070a… |
| 204.107.125.0 – 204.107.125.255 | 256 | US |
allocated | 1994-10-12 | 75db03aaf5a6… |
| 204.107.126.0 – 204.107.126.255 | 256 | US |
allocated | 1994-10-12 | 9c02af0b70c6… |
| 204.107.127.0 – 204.107.127.255 | 256 | US |
allocated | 1994-10-12 | ea61ec1e6da9… |
| 204.107.128.0 – 204.107.128.255 | 256 | US |
allocated | 1994-10-12 | 998c1b770764… |
| 170.197.0.0 – 170.197.255.255 | 65,536 | US |
allocated | 1994-10-11 | 5d97d0ca9e22… |
| 199.248.255.0 – 199.248.255.255 | 256 | US |
allocated | 1994-10-11 | a85fe4fc5196… |
| 204.88.160.0 – 204.88.175.255 | 4,096 | US |
allocated | 1994-10-11 | 83a4b7a15226… |
| 204.88.176.0 – 204.88.183.255 | 2,048 | US |
allocated | 1994-10-11 | 83a4b7a15226… |
| 204.88.184.0 – 204.88.187.255 | 1,024 | US |
allocated | 1994-10-11 | 83a4b7a15226… |
| 204.88.188.0 – 204.88.189.255 | 512 | US |
allocated | 1994-10-11 | 83a4b7a15226… |
| 204.88.192.0 – 204.88.223.255 | 8,192 | US |
allocated | 1994-10-11 | 9c08208c6537… |
| 204.107.94.0 – 204.107.94.255 | 256 | US |
allocated | 1994-10-11 | b824ce4bb28e… |
| 204.107.96.0 – 204.107.96.255 | 256 | US |
allocated | 1994-10-11 | d1561e4990cd… |
| 204.107.97.0 – 204.107.97.255 | 256 | US |
allocated | 1994-10-11 | 94876f16e3c9… |
| 204.107.98.0 – 204.107.98.255 | 256 | US |
allocated | 1994-10-11 | 64e5ff47b94d… |
| 204.107.99.0 – 204.107.99.255 | 256 | US |
allocated | 1994-10-11 | e61fbec9746d… |
| 204.107.100.0 – 204.107.100.255 | 256 | US |
allocated | 1994-10-11 | 851016e44824… |
| 204.107.101.0 – 204.107.101.255 | 256 | US |
allocated | 1994-10-11 | 59ff45d00719… |
| 204.110.144.0 – 204.110.159.255 | 4,096 | US |
allocated | 1994-10-11 | 9c08208c6537… |
| 204.124.84.0 – 204.124.85.255 | 512 | US |
allocated | 1994-10-11 | be87a6f57401… |
| 204.124.86.0 – 204.124.86.255 | 256 | US |
allocated | 1994-10-11 | be87a6f57401… |
| 204.138.176.0 – 204.138.177.255 | 512 |  CA |
allocated | 1994-10-11 | 9dd1d6e0a785… |
| 204.154.64.0 – 204.154.71.255 | 2,048 |  DE |
allocated | 1994-10-11 | 9c27e172216c… |
| 204.154.72.0 – 204.154.79.255 | 2,048 | US |
allocated | 1994-10-11 | 0596821a6910… |
| 204.155.96.0 – 204.155.111.255 | 4,096 | US |
allocated | 1994-10-11 | b1df39dd914e… |
| 204.155.112.0 – 204.155.127.255 | 4,096 | US |
allocated | 1994-10-11 | efdc12815af1… |
| 155.65.0.0 – 155.65.255.255 | 65,536 | US |
allocated | 1994-10-10 | 32b2ca7b2f06… |
| 199.248.248.0 – 199.248.248.255 | 256 | US |
allocated | 1994-10-10 | c5d5cabe9c7c… |
| 199.248.249.0 – 199.248.249.255 | 256 | US |
allocated | 1994-10-10 | 33c3e450c073… |
| 199.248.250.0 – 199.248.250.255 | 256 | US |
allocated | 1994-10-10 | 206e607a9f13… |
| 199.248.251.0 – 199.248.251.255 | 256 | US |
allocated | 1994-10-10 | 53b39184a62f… |
| 199.248.252.0 – 199.248.252.255 | 256 | US |
allocated | 1994-10-10 | 80191a333e77… |
| 199.248.253.0 – 199.248.253.255 | 256 | US |
allocated | 1994-10-10 | ddef046b6d96… |
| 204.20.0.0 – 204.21.255.255 | 131,072 | US |
allocated | 1994-10-10 | 45fe880b68a8… |
| 204.62.64.0 – 204.62.95.255 | 8,192 | US |
allocated | 1994-10-10 | bd154c193394… |
| 204.62.96.0 – 204.62.111.255 | 4,096 | US |
allocated | 1994-10-10 | bd154c193394… |
| 204.62.112.0 – 204.62.113.255 | 512 | US |
allocated | 1994-10-10 | bd154c193394… |
| 204.63.64.0 – 204.63.127.255 | 16,384 | US |
allocated | 1994-10-10 | 089abf4aedd1… |
| 204.107.87.0 – 204.107.87.255 | 256 | US |
allocated | 1994-10-10 | 63d8eac4bf05… |
| 204.107.88.0 – 204.107.88.255 | 256 | US |
allocated | 1994-10-10 | cb146b80f0ac… |
| 204.107.90.0 – 204.107.90.255 | 256 | US |
allocated | 1994-10-10 | 1048b207b759… |
| 204.107.91.0 – 204.107.91.255 | 256 | US |
allocated | 1994-10-10 | 154ab8d8640f… |
| 204.107.92.0 – 204.107.92.255 | 256 | US |
allocated | 1994-10-10 | 01dbd4d91288… |
| 204.124.76.0 – 204.124.79.255 | 1,024 | US |
allocated | 1994-10-10 | 6cdafa57915a… |
| 204.124.80.0 – 204.124.81.255 | 512 | US |
allocated | 1994-10-10 | 8787c3ffc457… |
| 204.124.82.0 – 204.124.82.255 | 256 | US |
allocated | 1994-10-10 | 8787c3ffc457… |
| 204.153.32.0 – 204.153.33.255 | 512 | US |
allocated | 1994-10-10 | 9a3ed044b40f… |
| 204.153.34.0 – 204.153.34.255 | 256 | US |
allocated | 1994-10-10 | 9a3ed044b40f… |
| 204.154.56.0 – 204.154.63.255 | 2,048 | US |
allocated | 1994-10-10 | 9e260ce5d287… |
| 204.19.128.0 – 204.19.128.255 | 256 | CA |
allocated | 1994-10-08 | 07c4ce6ab19d… |
| 170.196.0.0 – 170.196.255.255 | 65,536 | US |
allocated | 1994-10-07 | 3bba0801f6f4… |