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 |
|---|---|---|---|---|---|
| 199.201.226.0 – 199.201.227.255 | 512 |  CA |
allocated | 1994-05-05 | a2eba22c6c42… |
| 199.201.228.0 – 199.201.229.255 | 512 | CA |
allocated | 1994-05-05 | a2eba22c6c42… |
| 199.201.230.0 – 199.201.230.255 | 256 |  US |
allocated | 1994-05-05 | a6e96012a52c… |
| 199.201.231.0 – 199.201.231.255 | 256 | US |
allocated | 1994-05-05 | db08264ad1cb… |
| 199.201.232.0 – 199.201.235.255 | 1,024 | US |
allocated | 1994-05-05 | db08264ad1cb… |
| 199.201.240.0 – 199.201.240.255 | 256 | US |
allocated | 1994-05-05 | f408850c47cc… |
| 199.201.241.0 – 199.201.241.255 | 256 | US |
allocated | 1994-05-05 | dc7134ec0d6d… |
| 199.201.244.0 – 199.201.244.255 | 256 | US |
allocated | 1994-05-05 | 29d9e93a8ec7… |
| 199.201.245.0 – 199.201.245.255 | 256 | US |
allocated | 1994-05-05 | e56fcb9a09af… |
| 199.201.246.0 – 199.201.246.255 | 256 | US |
allocated | 1994-05-05 | ae8370c8cd19… |
| 199.201.247.0 – 199.201.247.255 | 256 | US |
allocated | 1994-05-05 | b4e9e2d22ebc… |
| 199.201.248.0 – 199.201.249.255 | 512 | US |
allocated | 1994-05-05 | ca2e412fb7a7… |
| 199.201.250.0 – 199.201.250.255 | 256 | US |
allocated | 1994-05-05 | b27fce9bb267… |
| 199.201.251.0 – 199.201.251.255 | 256 | US |
allocated | 1994-05-05 | ecd0a3c24962… |
| 199.201.252.0 – 199.201.252.255 | 256 | US |
allocated | 1994-05-05 | ecd0a3c24962… |
| 199.201.253.0 – 199.201.253.255 | 256 | US |
allocated | 1994-05-05 | b7a9ef7b23fa… |
| 199.201.254.0 – 199.201.254.255 | 256 | US |
allocated | 1994-05-05 | 01ded2cfbf92… |
| 199.242.128.0 – 199.242.129.255 | 512 | US |
allocated | 1994-05-05 | 5d1480218423… |
| 199.242.130.0 – 199.242.130.255 | 256 | US |
allocated | 1994-05-05 | 5d1480218423… |
| 199.245.117.0 – 199.245.117.255 | 256 | US |
allocated | 1994-05-05 | 0477d891ded5… |
| 199.245.118.0 – 199.245.119.255 | 512 | US |
allocated | 1994-05-05 | 76a3a03625d3… |
| 199.245.120.0 – 199.245.121.255 | 512 | US |
allocated | 1994-05-05 | 76a3a03625d3… |
| 199.245.122.0 – 199.245.122.255 | 256 | US |
allocated | 1994-05-05 | 31db0ae86df1… |
| 199.245.124.0 – 199.245.124.255 | 256 | US |
allocated | 1994-05-05 | 7756e5f842fa… |
| 199.245.125.0 – 199.245.125.255 | 256 | US |
allocated | 1994-05-05 | 98b2d6b25778… |
| 199.245.126.0 – 199.245.126.255 | 256 | US |
allocated | 1994-05-05 | c39c373a3b08… |
| 199.245.127.0 – 199.245.127.255 | 256 | US |
allocated | 1994-05-05 | 6679b817f1d6… |
| 199.245.128.0 – 199.245.129.255 | 512 | US |
allocated | 1994-05-05 | ca2e6b157852… |
| 199.245.130.0 – 199.245.130.255 | 256 | US |
allocated | 1994-05-05 | 3d7d6df91824… |
| 199.245.131.0 – 199.245.131.255 | 256 | US |
allocated | 1994-05-05 | 9bf966ed8d34… |
| 199.245.132.0 – 199.245.132.255 | 256 | US |
allocated | 1994-05-05 | 6013bd60e910… |
| 199.245.133.0 – 199.245.133.255 | 256 | US |
allocated | 1994-05-05 | 0709effa6658… |
| 199.245.134.0 – 199.245.134.255 | 256 | US |
allocated | 1994-05-05 | 48a60f7b44e7… |
| 199.245.135.0 – 199.245.135.255 | 256 | US |
allocated | 1994-05-05 | 48a60f7b44e7… |
| 199.245.136.0 – 199.245.136.255 | 256 | US |
allocated | 1994-05-05 | 48a60f7b44e7… |
| 199.245.137.0 – 199.245.137.255 | 256 | US |
allocated | 1994-05-05 | f8e95253c4b3… |
| 199.245.138.0 – 199.245.138.255 | 256 | US |
allocated | 1994-05-05 | 67d181e057e4… |
| 199.245.139.0 – 199.245.139.255 | 256 | US |
allocated | 1994-05-05 | fc2e75723abf… |
| 199.253.0.0 – 199.253.7.255 | 2,048 | US |
allocated | 1994-05-05 | c8adfce8689b… |
| 199.253.8.0 – 199.253.9.255 | 512 | US |
allocated | 1994-05-05 | c8adfce8689b… |
| 199.253.32.0 – 199.253.47.255 | 4,096 | US |
allocated | 1994-05-05 | d171d2a26248… |
| 199.253.48.0 – 199.253.55.255 | 2,048 | US |
allocated | 1994-05-05 | d171d2a26248… |
| 199.254.8.0 – 199.254.15.255 | 2,048 | US |
allocated | 1994-05-05 | 6af3dbdad10c… |
| 199.254.16.0 – 199.254.23.255 | 2,048 | US |
allocated | 1994-05-05 | 52226819198d… |
| 199.254.24.0 – 199.254.25.255 | 512 | US |
allocated | 1994-05-05 | 52226819198d… |
| 199.254.26.0 – 199.254.26.255 | 256 | US |
allocated | 1994-05-05 | 52226819198d… |
| 199.254.229.0 – 199.254.229.255 | 256 | US |
allocated | 1994-05-05 | a461c3f80bad… |
| 200.10.160.0 – 200.10.160.255 | 256 | US |
allocated | 1994-05-05 | e31130723f44… |
| 204.4.0.0 – 204.7.255.255 | 262,144 | US |
allocated | 1994-05-05 | 37fe01d6d027… |
| 204.27.16.0 – 204.27.31.255 | 4,096 | US |
allocated | 1994-05-05 | 56f623f48d0d… |
| 198.203.208.0 – 198.203.211.255 | 1,024 | US |
allocated | 1994-05-04 | 65c68f8b3579… |
| 198.203.212.0 – 198.203.212.255 | 256 | US |
allocated | 1994-05-04 | 65c68f8b3579… |
| 198.203.214.0 – 198.203.214.255 | 256 | US |
allocated | 1994-05-04 | 52fdad44066a… |
| 199.201.223.0 – 199.201.223.255 | 256 | US |
allocated | 1994-05-04 | 99fa11e2843d… |
| 199.224.128.0 – 199.224.255.255 | 32,768 | US |
allocated | 1994-05-04 | 9a65a87e3abf… |
| 199.253.16.0 – 199.253.23.255 | 2,048 | US |
allocated | 1994-05-04 | fd39c7885176… |
| 199.253.24.0 – 199.253.25.255 | 512 | US |
allocated | 1994-05-04 | fd39c7885176… |
| 200.15.0.0 – 200.15.255.255 | 65,536 | US |
allocated | 1994-05-04 | 9f14454567a6… |
| 204.0.0.0 – 204.3.255.255 | 262,144 | US |
allocated | 1994-05-04 | 9f14454567a6… |
| 170.132.0.0 – 170.132.255.255 | 65,536 | US |
allocated | 1994-05-03 | d3529f254bc5… |
| 198.203.206.0 – 198.203.206.255 | 256 | US |
allocated | 1994-05-03 | cb39b00c77d1… |
| 198.203.207.0 – 198.203.207.255 | 256 | US |
allocated | 1994-05-03 | ee6781c9d3eb… |
| 199.201.213.0 – 199.201.213.255 | 256 | US |
allocated | 1994-05-03 | d0dd89eb47ff… |
| 199.201.214.0 – 199.201.214.255 | 256 | US |
allocated | 1994-05-03 | 561453242648… |
| 199.201.215.0 – 199.201.215.255 | 256 | US |
allocated | 1994-05-03 | 7148c92b2754… |
| 199.201.217.0 – 199.201.217.255 | 256 | US |
allocated | 1994-05-03 | 5c1a6c2c41fb… |
| 199.201.218.0 – 199.201.218.255 | 256 | US |
allocated | 1994-05-03 | 5c1a6c2c41fb… |
| 199.201.219.0 – 199.201.219.255 | 256 | US |
allocated | 1994-05-03 | 161fb0fc33bc… |
| 199.201.220.0 – 199.201.220.255 | 256 | US |
allocated | 1994-05-03 | 70cd9dcf94fe… |
| 199.248.16.0 – 199.248.23.255 | 2,048 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.248.24.0 – 199.248.27.255 | 1,024 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.248.28.0 – 199.248.29.255 | 512 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.248.30.0 – 199.248.30.255 | 256 | US |
allocated | 1994-05-03 | 0afa41b88908… |
| 199.201.203.0 – 199.201.203.255 | 256 | US |
allocated | 1994-05-02 | 199a3d77681f… |
| 199.201.204.0 – 199.201.204.255 | 256 | US |
allocated | 1994-05-02 | a0862b8491a3… |
| 199.201.205.0 – 199.201.205.255 | 256 | US |
allocated | 1994-05-02 | 5c1a6c2c41fb… |
| 199.201.206.0 – 199.201.207.255 | 512 | US |
allocated | 1994-05-02 | 040750e231e5… |
| 199.201.208.0 – 199.201.211.255 | 1,024 | US |
allocated | 1994-05-02 | ec2bd2dbe2f7… |
| 199.201.238.0 – 199.201.238.255 | 256 | US |
allocated | 1994-05-02 | b78b76c8958f… |
| 199.201.239.0 – 199.201.239.255 | 256 | US |
allocated | 1994-05-02 | 772212efdd7d… |
| 199.245.0.0 – 199.245.15.255 | 4,096 | US |
allocated | 1994-05-02 | 88a52c9c162b… |
| 199.249.0.0 – 199.249.7.255 | 2,048 | US |
allocated | 1994-05-02 | cdd84ebb08e4… |
| 199.249.16.0 – 199.249.31.255 | 4,096 | US |
allocated | 1994-05-02 | e220ed812a4c… |
| 199.250.16.0 – 199.250.31.255 | 4,096 | US |
allocated | 1994-05-02 | b121ce0c238d… |
| 199.251.0.0 – 199.251.255.255 | 65,536 | US |
allocated | 1994-05-02 | 45fe880b68a8… |
| 199.252.0.0 – 199.252.255.255 | 65,536 | US |
allocated | 1994-05-02 | 45fe880b68a8… |
| 170.128.0.0 – 170.128.255.255 | 65,536 | US |
allocated | 1994-04-29 | 81b071b3ff30… |
| 170.129.0.0 – 170.129.255.255 | 65,536 | US |
allocated | 1994-04-29 | f874ba60f9fd… |
| 170.131.0.0 – 170.131.255.255 | 65,536 | US |
allocated | 1994-04-29 | a2d4c7b03aef… |
| 170.141.0.0 – 170.141.255.255 | 65,536 | US |
allocated | 1994-04-29 | 3e324e6298e6… |
| 170.142.0.0 – 170.143.255.255 | 131,072 | US |
allocated | 1994-04-29 | 3e324e6298e6… |
| 199.165.32.0 – 199.165.63.255 | 8,192 | US |
allocated | 1994-04-29 | 1d9f406efe94… |
| 199.201.148.0 – 199.201.148.255 | 256 | US |
allocated | 1994-04-29 | b45ffa909eb1… |
| 199.201.149.0 – 199.201.149.255 | 256 | US |
allocated | 1994-04-29 | 6793062ddc55… |
| 199.201.150.0 – 199.201.150.255 | 256 | US |
allocated | 1994-04-29 | 41e331718715… |
| 199.201.151.0 – 199.201.151.255 | 256 | US |
allocated | 1994-04-29 | 6e5c9cac1b6c… |
| 199.201.152.0 – 199.201.152.255 | 256 | US |
allocated | 1994-04-29 | 6e5c9cac1b6c… |
| 199.201.153.0 – 199.201.153.255 | 256 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |
| 199.201.154.0 – 199.201.155.255 | 512 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |
| 199.201.156.0 – 199.201.157.255 | 512 | US |
allocated | 1994-04-29 | 3fc26c09bf03… |