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 |
|---|---|---|---|---|---|
| 204.87.219.0 – 204.87.219.255 | 256 |  US |
allocated | 1995-02-01 | 8154b4ce1946… |
| 204.87.220.0 – 204.87.220.255 | 256 | US |
allocated | 1995-02-01 | d75c23cd99cf… |
| 204.87.221.0 – 204.87.221.255 | 256 | US |
allocated | 1995-02-01 | 967d4e152c17… |
| 204.87.223.0 – 204.87.223.255 | 256 | US |
allocated | 1995-02-01 | 9a93e24da5b7… |
| 204.87.225.0 – 204.87.225.255 | 256 | US |
allocated | 1995-02-01 | 5ded668dc46f… |
| 204.87.226.0 – 204.87.226.255 | 256 | US |
allocated | 1995-02-01 | 3401aebd3fca… |
| 204.87.227.0 – 204.87.227.255 | 256 | US |
allocated | 1995-02-01 | 0ebc09c71494… |
| 204.137.128.0 – 204.137.191.255 | 16,384 | US |
allocated | 1995-02-01 | 37fe01d6d027… |
| 204.137.192.0 – 204.137.223.255 | 8,192 | US |
allocated | 1995-02-01 | 37fe01d6d027… |
| 204.227.192.0 – 204.227.223.255 | 8,192 | US |
allocated | 1995-02-01 | 0b9809a4ff86… |
| 204.239.1.0 – 204.239.1.255 | 256 |  CA |
allocated | 1995-02-01 | 1c16839f6229… |
| 204.239.4.0 – 204.239.7.255 | 1,024 | CA |
allocated | 1995-02-01 | 7cb1c1d9d8dd… |
| 204.239.8.0 – 204.239.9.255 | 512 | CA |
allocated | 1995-02-01 | 273d33928343… |
| 204.239.10.0 – 204.239.10.255 | 256 | CA |
allocated | 1995-02-01 | 273d33928343… |
| 204.239.16.0 – 204.239.16.255 | 256 | CA |
allocated | 1995-02-01 | 73dfb93336ad… |
| 204.239.18.0 – 204.239.18.255 | 256 | CA |
allocated | 1995-02-01 | 514bca940e05… |
| 204.239.19.0 – 204.239.19.255 | 256 | CA |
allocated | 1995-02-01 | e84842f10af2… |
| 204.239.20.0 – 204.239.23.255 | 1,024 | CA |
allocated | 1995-02-01 | 0e4578d12f61… |
| 204.239.25.0 – 204.239.25.255 | 256 | CA |
allocated | 1995-02-01 | 18d665f332ae… |
| 204.239.26.0 – 204.239.27.255 | 512 | CA |
allocated | 1995-02-01 | 2084176679df… |
| 204.239.28.0 – 204.239.29.255 | 512 | CA |
allocated | 1995-02-01 | 7cb1c1d9d8dd… |
| 204.239.30.0 – 204.239.30.255 | 256 | CA |
allocated | 1995-02-01 | 67db57bbbbca… |
| 204.239.31.0 – 204.239.31.255 | 256 | CA |
allocated | 1995-02-01 | 65b650fff703… |
| 204.239.32.0 – 204.239.39.255 | 2,048 | CA |
allocated | 1995-02-01 | 76569eb72bd2… |
| 204.239.40.0 – 204.239.41.255 | 512 | CA |
allocated | 1995-02-01 | 6b1704e70ee9… |
| 204.239.42.0 – 204.239.42.255 | 256 | CA |
allocated | 1995-02-01 | 6b1704e70ee9… |
| 204.239.43.0 – 204.239.43.255 | 256 | CA |
allocated | 1995-02-01 | 588dd64ffe46… |
| 204.239.44.0 – 204.239.47.255 | 1,024 | CA |
allocated | 1995-02-01 | 588dd64ffe46… |
| 204.239.48.0 – 204.239.63.255 | 4,096 | CA |
allocated | 1995-02-01 | 46f66aa0fac3… |
| 204.239.64.0 – 204.239.65.255 | 512 | CA |
allocated | 1995-02-01 | 960b04dd92a4… |
| 204.239.66.0 – 204.239.66.255 | 256 | CA |
allocated | 1995-02-01 | 960b04dd92a4… |
| 204.239.67.0 – 204.239.67.255 | 256 | CA |
allocated | 1995-02-01 | 75ab8e777450… |
| 204.239.68.0 – 204.239.69.255 | 512 | CA |
allocated | 1995-02-01 | c23c789046f2… |
| 204.239.70.0 – 204.239.71.255 | 512 | CA |
allocated | 1995-02-01 | 75ab8e777450… |
| 204.239.72.0 – 204.239.72.255 | 256 | CA |
allocated | 1995-02-01 | 75ab8e777450… |
| 204.239.73.0 – 204.239.73.255 | 256 | CA |
allocated | 1995-02-01 | a64ddaf12aef… |
| 204.239.74.0 – 204.239.75.255 | 512 | CA |
allocated | 1995-02-01 | a64ddaf12aef… |
| 204.239.76.0 – 204.239.79.255 | 1,024 | CA |
allocated | 1995-02-01 | a64ddaf12aef… |
| 204.239.80.0 – 204.239.81.255 | 512 | CA |
allocated | 1995-02-01 | a64ddaf12aef… |
| 204.239.82.0 – 204.239.82.255 | 256 | CA |
allocated | 1995-02-01 | a64ddaf12aef… |
| 204.239.83.0 – 204.239.83.255 | 256 | CA |
allocated | 1995-02-01 | 4e37788b47b0… |
| 204.239.84.0 – 204.239.85.255 | 512 | CA |
allocated | 1995-02-01 | 4e37788b47b0… |
| 204.239.86.0 – 204.239.86.255 | 256 | CA |
allocated | 1995-02-01 | 4e37788b47b0… |
| 204.239.87.0 – 204.239.87.255 | 256 | CA |
allocated | 1995-02-01 | d4c055dc3b07… |
| 204.239.88.0 – 204.239.89.255 | 512 | CA |
allocated | 1995-02-01 | 767c7fcdc10a… |
| 204.239.90.0 – 204.239.90.255 | 256 | CA |
allocated | 1995-02-01 | 767c7fcdc10a… |
| 204.239.91.0 – 204.239.91.255 | 256 | CA |
allocated | 1995-02-01 | 9c87321a0935… |
| 204.239.92.0 – 204.239.95.255 | 1,024 | CA |
allocated | 1995-02-01 | 5c72b2f4140a… |
| 204.239.96.0 – 204.239.111.255 | 4,096 | CA |
allocated | 1995-02-01 | 5c72b2f4140a… |
| 204.239.112.0 – 204.239.119.255 | 2,048 | CA |
allocated | 1995-02-01 | 5c72b2f4140a… |
| 204.239.120.0 – 204.239.120.255 | 256 | CA |
allocated | 1995-02-01 | f8de0a38e414… |
| 204.239.121.0 – 204.239.121.255 | 256 | CA |
allocated | 1995-02-01 | 9da6e1650856… |
| 204.239.122.0 – 204.239.123.255 | 512 | CA |
allocated | 1995-02-01 | de860d7397ee… |
| 204.239.125.0 – 204.239.125.255 | 256 | CA |
allocated | 1995-02-01 | cf65a45c3af9… |
| 204.239.126.0 – 204.239.127.255 | 512 | CA |
allocated | 1995-02-01 | d4c055dc3b07… |
| 204.239.128.0 – 204.239.128.255 | 256 | CA |
allocated | 1995-02-01 | cf65a45c3af9… |
| 204.239.129.0 – 204.239.129.255 | 256 | CA |
allocated | 1995-02-01 | 891570eee12a… |
| 204.239.130.0 – 204.239.131.255 | 512 | CA |
allocated | 1995-02-01 | 67db57bbbbca… |
| 204.239.132.0 – 204.239.133.255 | 512 | CA |
allocated | 1995-02-01 | ff3da9fa3730… |
| 204.239.134.0 – 204.239.135.255 | 512 | CA |
allocated | 1995-02-01 | 8bc31d6dd221… |
| 204.239.136.0 – 204.239.137.255 | 512 | CA |
allocated | 1995-02-01 | 1dd0de40877a… |
| 204.239.138.0 – 204.239.139.255 | 512 | CA |
allocated | 1995-02-01 | 7cb1c1d9d8dd… |
| 204.239.140.0 – 204.239.140.255 | 256 | CA |
allocated | 1995-02-01 | 7cb1c1d9d8dd… |
| 204.239.141.0 – 204.239.141.255 | 256 | CA |
allocated | 1995-02-01 | e801931c4e30… |
| 204.239.142.0 – 204.239.142.255 | 256 | CA |
allocated | 1995-02-01 | 4d87a94a487e… |
| 204.239.144.0 – 204.239.144.255 | 256 | CA |
allocated | 1995-02-01 | e801931c4e30… |
| 204.239.145.0 – 204.239.145.255 | 256 | CA |
allocated | 1995-02-01 | e3d2d53b86b7… |
| 204.239.147.0 – 204.239.147.255 | 256 | CA |
allocated | 1995-02-01 | 62d620a0f2e0… |
| 204.239.148.0 – 204.239.151.255 | 1,024 | CA |
allocated | 1995-02-01 | f39eae975355… |
| 204.239.152.0 – 204.239.155.255 | 1,024 | CA |
allocated | 1995-02-01 | f709081a62f4… |
| 204.239.156.0 – 204.239.156.255 | 256 | CA |
allocated | 1995-02-01 | c6721a998beb… |
| 204.239.157.0 – 204.239.157.255 | 256 | CA |
allocated | 1995-02-01 | 37decead3eb0… |
| 204.239.158.0 – 204.239.158.255 | 256 | CA |
allocated | 1995-02-01 | ae157d117d50… |
| 204.239.159.0 – 204.239.159.255 | 256 | CA |
allocated | 1995-02-01 | 00cd81bb61ab… |
| 204.239.160.0 – 204.239.163.255 | 1,024 | CA |
allocated | 1995-02-01 | 00cd81bb61ab… |
| 204.239.164.0 – 204.239.165.255 | 512 | CA |
allocated | 1995-02-01 | 3c63d2bd30db… |
| 204.239.166.0 – 204.239.166.255 | 256 | CA |
allocated | 1995-02-01 | ae65a95a8fbd… |
| 204.239.167.0 – 204.239.167.255 | 256 | CA |
allocated | 1995-02-01 | 0e702695cc8d… |
| 204.239.168.0 – 204.239.169.255 | 512 | CA |
allocated | 1995-02-01 | baf443a89089… |
| 204.239.170.0 – 204.239.170.255 | 256 | CA |
allocated | 1995-02-01 | baf443a89089… |
| 204.239.171.0 – 204.239.171.255 | 256 | CA |
allocated | 1995-02-01 | cceb1d579b0c… |
| 204.239.172.0 – 204.239.172.255 | 256 | CA |
allocated | 1995-02-01 | f545fe3393f6… |
| 204.239.173.0 – 204.239.173.255 | 256 | CA |
allocated | 1995-02-01 | 585ad5261afa… |
| 204.239.174.0 – 204.239.174.255 | 256 | CA |
allocated | 1995-02-01 | ecf62c84405b… |
| 204.239.175.0 – 204.239.175.255 | 256 | CA |
allocated | 1995-02-01 | 0947d5738b9d… |
| 204.239.176.0 – 204.239.177.255 | 512 | CA |
allocated | 1995-02-01 | 5c732287128d… |
| 204.239.178.0 – 204.239.178.255 | 256 | CA |
allocated | 1995-02-01 | 84a8f351297e… |
| 204.239.179.0 – 204.239.179.255 | 256 | CA |
allocated | 1995-02-01 | e744ed4ff0fe… |
| 204.239.180.0 – 204.239.180.255 | 256 | CA |
allocated | 1995-02-01 | 12785e9f3eab… |
| 204.239.181.0 – 204.239.181.255 | 256 | CA |
allocated | 1995-02-01 | de813ef4fe9b… |
| 204.239.183.0 – 204.239.183.255 | 256 | CA |
allocated | 1995-02-01 | 57e120a22f4c… |
| 204.239.184.0 – 204.239.191.255 | 2,048 | CA |
allocated | 1995-02-01 | f39eae975355… |
| 204.239.192.0 – 204.239.193.255 | 512 | CA |
allocated | 1995-02-01 | f39eae975355… |
| 204.239.194.0 – 204.239.194.255 | 256 | CA |
allocated | 1995-02-01 | aab4413d9815… |
| 204.239.195.0 – 204.239.195.255 | 256 | CA |
allocated | 1995-02-01 | 732bcdf1ba69… |
| 204.239.196.0 – 204.239.196.255 | 256 | CA |
allocated | 1995-02-01 | 88323a34b7dd… |
| 204.239.197.0 – 204.239.197.255 | 256 | CA |
allocated | 1995-02-01 | d1f3c8c34ec4… |
| 204.239.198.0 – 204.239.199.255 | 512 | CA |
allocated | 1995-02-01 | d1f3c8c34ec4… |
| 204.239.200.0 – 204.239.201.255 | 512 | CA |
allocated | 1995-02-01 | 8bc31d6dd221… |
| 204.239.202.0 – 204.239.202.255 | 256 | CA |
allocated | 1995-02-01 | 5d3f1861598c… |