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 |
|---|---|---|---|---|---|
| 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… |
| 199.248.247.0 – 199.248.247.255 | 256 | US |
allocated | 1994-10-07 | b76717df2d71… |
| 204.115.160.0 – 204.115.167.255 | 2,048 | US |
allocated | 1994-10-07 | 83894a871925… |
| 204.126.8.0 – 204.126.9.255 | 512 | US |
allocated | 1994-10-07 | b76717df2d71… |
| 199.66.52.0 – 199.66.55.255 | 1,024 | US |
allocated | 1994-10-06 | 0596821a6910… |
| 199.66.56.0 – 199.66.63.255 | 2,048 | US |
allocated | 1994-10-06 | 0596821a6910… |
| 199.248.242.0 – 199.248.242.255 | 256 | US |
allocated | 1994-10-06 | 8846f4667f60… |
| 199.248.243.0 – 199.248.243.255 | 256 | US |
allocated | 1994-10-06 | 3d063f1387cc… |
| 199.248.245.0 – 199.248.245.255 | 256 | US |
allocated | 1994-10-06 | 93e59939335f… |
| 199.248.246.0 – 199.248.246.255 | 256 | US |
allocated | 1994-10-06 | 65b72d1cd8f9… |
| 204.19.1.0 – 204.19.1.255 | 256 | CA |
allocated | 1994-10-06 | 1fb8348448cf… |
| 204.19.2.0 – 204.19.3.255 | 512 | CA |
allocated | 1994-10-06 | 8eb610a35c98… |
| 204.19.4.0 – 204.19.7.255 | 1,024 | CA |
allocated | 1994-10-06 | 8eb610a35c98… |
| 204.19.8.0 – 204.19.9.255 | 512 | CA |
allocated | 1994-10-06 | 0b5e9c8faf12… |
| 204.19.10.0 – 204.19.11.255 | 512 | CA |
allocated | 1994-10-06 | d08e05db5137… |
| 204.19.12.0 – 204.19.12.255 | 256 | CA |
allocated | 1994-10-06 | d08e05db5137… |
| 204.19.13.0 – 204.19.13.255 | 256 | CA |
allocated | 1994-10-06 | 6b4f3df658fe… |
| 204.19.14.0 – 204.19.14.255 | 256 | CA |
allocated | 1994-10-06 | ae18c2ba0d57… |
| 204.19.16.0 – 204.19.16.255 | 256 | CA |
allocated | 1994-10-06 | d99fa11104dd… |
| 204.19.18.0 – 204.19.19.255 | 512 | CA |
allocated | 1994-10-06 | da7a92cb91cf… |
| 204.19.20.0 – 204.19.21.255 | 512 | CA |
allocated | 1994-10-06 | 230b93da0a42… |
| 204.19.22.0 – 204.19.22.255 | 256 | CA |
allocated | 1994-10-06 | 25e856ed73cc… |
| 204.19.23.0 – 204.19.23.255 | 256 | CA |
allocated | 1994-10-06 | c8f661f25c20… |
| 204.19.24.0 – 204.19.24.255 | 256 | CA |
allocated | 1994-10-06 | 26265c5b1ee6… |
| 204.19.25.0 – 204.19.25.255 | 256 | CA |
allocated | 1994-10-06 | 33f6e229b4df… |
| 204.19.26.0 – 204.19.26.255 | 256 | CA |
allocated | 1994-10-06 | 7e3916272008… |
| 204.19.27.0 – 204.19.27.255 | 256 | CA |
allocated | 1994-10-06 | 7f6309991051… |
| 204.19.28.0 – 204.19.29.255 | 512 | CA |
allocated | 1994-10-06 | 12df28e1db16… |
| 204.19.33.0 – 204.19.33.255 | 256 | CA |
allocated | 1994-10-06 | aff0dd183eea… |
| 204.19.34.0 – 204.19.35.255 | 512 | CA |
allocated | 1994-10-06 | 739053b97948… |
| 204.19.36.0 – 204.19.36.255 | 256 | CA |
allocated | 1994-10-06 | 93d7216e4950… |
| 204.19.37.0 – 204.19.37.255 | 256 | CA |
allocated | 1994-10-06 | 687aae7cf502… |
| 204.19.38.0 – 204.19.39.255 | 512 | CA |
allocated | 1994-10-06 | a386d6773511… |
| 204.19.42.0 – 204.19.42.255 | 256 | CA |
allocated | 1994-10-06 | e174874cd8e0… |
| 204.19.43.0 – 204.19.43.255 | 256 | CA |
allocated | 1994-10-06 | ddcc4bd7ff57… |
| 204.19.44.0 – 204.19.47.255 | 1,024 | CA |
allocated | 1994-10-06 | 7ac284757387… |
| 204.19.48.0 – 204.19.63.255 | 4,096 | CA |
allocated | 1994-10-06 | fa69c6e836f6… |
| 204.19.64.0 – 204.19.71.255 | 2,048 | CA |
allocated | 1994-10-06 | fa69c6e836f6… |
| 204.19.72.0 – 204.19.75.255 | 1,024 | CA |
allocated | 1994-10-06 | fa69c6e836f6… |
| 204.19.76.0 – 204.19.77.255 | 512 | CA |
allocated | 1994-10-06 | fa69c6e836f6… |
| 204.19.78.0 – 204.19.78.255 | 256 | CA |
allocated | 1994-10-06 | 1d457fe44cc8… |
| 204.19.79.0 – 204.19.79.255 | 256 | CA |
allocated | 1994-10-06 | b32a411e5409… |
| 204.19.80.0 – 204.19.87.255 | 2,048 | CA |
allocated | 1994-10-06 | c9a268da5915… |
| 204.19.88.0 – 204.19.95.255 | 2,048 | CA |
allocated | 1994-10-06 | 433eebb57476… |