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
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 54.1.0.0 – 54.1.255.255 | 65,536 |  US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.3.0.0 – 54.3.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.4.0.0 – 54.4.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.10.0.0 – 54.11.255.255 | 131,072 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.13.0.0 – 54.13.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.14.0.0 – 54.14.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.23.0.0 – 54.23.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.24.0.0 – 54.24.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.28.0.0 – 54.28.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.30.0.0 – 54.30.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.40.0.0 – 54.41.255.255 | 131,072 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.42.0.0 – 54.42.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.44.0.0 – 54.44.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.48.0.0 – 54.51.255.255 | 262,144 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.52.0.0 – 54.53.255.255 | 131,072 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.56.0.0 – 54.57.255.255 | 131,072 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.58.0.0 – 54.58.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.61.0.0 – 54.61.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.62.0.0 – 54.62.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.96.0.0 – 54.99.255.255 | 262,144 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.101.0.0 – 54.101.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.103.0.0 – 54.103.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.105.0.0 – 54.105.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.110.0.0 – 54.110.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.120.0.0 – 54.120.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.125.0.0 – 54.125.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.129.0.0 – 54.129.255.255 | 65,536 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 54.140.0.0 – 54.143.255.255 | 262,144 | US |
allocated | 1992-03-17 | be93f006e4f9… |
| 158.159.0.0 – 158.159.255.255 | 65,536 | US |
allocated | 1992-03-17 | 8d307ce9451c… |
| 159.74.0.0 – 159.74.255.255 | 65,536 | US |
allocated | 1992-03-17 | d40c2e3a6663… |
| 159.102.0.0 – 159.102.255.255 | 65,536 | US |
allocated | 1992-03-17 | c79d1694f3f5… |
| 163.191.0.0 – 163.191.255.255 | 65,536 | US |
allocated | 1992-03-17 | 7afa76fbe879… |
| 192.149.202.0 – 192.149.202.255 | 256 |  GU |
allocated | 1992-03-17 | 7a244f460286… |
| 192.149.203.0 – 192.149.203.255 | 256 | US |
allocated | 1992-03-17 | ac4b7adf46ae… |
| 192.149.204.0 – 192.149.204.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.205.0 – 192.149.205.255 | 256 | US |
allocated | 1992-03-17 | 464bd71626b8… |
| 192.149.206.0 – 192.149.206.255 | 256 | US |
allocated | 1992-03-17 | 464bd71626b8… |
| 192.149.207.0 – 192.149.207.255 | 256 | US |
allocated | 1992-03-17 | 464bd71626b8… |
| 192.149.208.0 – 192.149.208.255 | 256 | US |
allocated | 1992-03-17 | 4cec52d4d51b… |
| 192.149.211.0 – 192.149.211.255 | 256 | US |
allocated | 1992-03-17 | d82ef7eb2451… |
| 192.149.212.0 – 192.149.212.255 | 256 | US |
allocated | 1992-03-17 | 900a15a63ca1… |
| 192.149.213.0 – 192.149.213.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.214.0 – 192.149.214.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.215.0 – 192.149.215.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.216.0 – 192.149.216.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.217.0 – 192.149.217.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.218.0 – 192.149.218.255 | 256 | US |
allocated | 1992-03-17 | 45fe880b68a8… |
| 192.149.220.0 – 192.149.220.255 | 256 | US |
allocated | 1992-03-17 | 134fcd9ed625… |
| 192.149.221.0 – 192.149.221.255 | 256 | US |
allocated | 1992-03-17 | cb4e22370b00… |
| 192.149.222.0 – 192.149.222.255 | 256 | US |
allocated | 1992-03-17 | f215c7da9a4b… |
| 192.150.161.0 – 192.150.161.255 | 256 | US |
allocated | 1992-03-17 | 749db1c21b96… |
| 192.150.162.0 – 192.150.163.255 | 512 | US |
allocated | 1992-03-17 | 749db1c21b96… |
| 192.150.164.0 – 192.150.167.255 | 1,024 | US |
allocated | 1992-03-17 | 749db1c21b96… |
| 192.150.168.0 – 192.150.168.255 | 256 | US |
allocated | 1992-03-17 | 7347b13c724c… |
| 192.150.169.0 – 192.150.169.255 | 256 | US |
allocated | 1992-03-17 | 7347b13c724c… |
| 192.150.170.0 – 192.150.170.255 | 256 | US |
allocated | 1992-03-17 | 7347b13c724c… |
| 192.150.171.0 – 192.150.171.255 | 256 | US |
allocated | 1992-03-17 | 33c25c62e879… |
| 192.150.172.0 – 192.150.172.255 | 256 | US |
allocated | 1992-03-17 | 433eb9f1a846… |
| 192.150.173.0 – 192.150.173.255 | 256 | US |
allocated | 1992-03-17 | 570cc0afe505… |
| 192.150.175.0 – 192.150.175.255 | 256 | US |
allocated | 1992-03-17 | e744d3ce0a8f… |
| 192.150.176.0 – 192.150.176.255 | 256 | US |
allocated | 1992-03-17 | e744d3ce0a8f… |
| 192.150.186.0 – 192.150.186.255 | 256 | US |
allocated | 1992-03-17 | 0ff513819226… |
| 192.150.187.0 – 192.150.187.255 | 256 | US |
allocated | 1992-03-17 | 0ff513819226… |
| 158.157.0.0 – 158.157.255.255 | 65,536 | US |
allocated | 1992-03-16 | 45fe880b68a8… |
| 192.150.141.0 – 192.150.141.255 | 256 | US |
allocated | 1992-03-16 | 947682d93962… |
| 192.150.143.0 – 192.150.143.255 | 256 | US |
allocated | 1992-03-16 | 7379fe43e216… |
| 192.150.145.0 – 192.150.145.255 | 256 | US |
allocated | 1992-03-16 | a845d357e504… |
| 192.150.147.0 – 192.150.147.255 | 256 | US |
allocated | 1992-03-16 | 4daaf2ddf26c… |
| 192.150.148.0 – 192.150.148.255 | 256 | US |
allocated | 1992-03-16 | 86df8218a107… |
| 192.150.149.0 – 192.150.149.255 | 256 | US |
allocated | 1992-03-16 | d62096349b43… |
| 192.150.150.0 – 192.150.150.255 | 256 | US |
allocated | 1992-03-16 | 64f9a5ecc243… |
| 158.153.0.0 – 158.153.255.255 | 65,536 | US |
allocated | 1992-03-13 | 45fe880b68a8… |
| 158.154.0.0 – 158.154.255.255 | 65,536 | US |
allocated | 1992-03-13 | 2d90cbf4f78e… |
| 158.155.0.0 – 158.155.255.255 | 65,536 | US |
allocated | 1992-03-13 | 92fb9d2f0a78… |
| 159.59.0.0 – 159.59.255.255 | 65,536 | US |
allocated | 1992-03-13 | 3341db128d60… |
| 159.61.0.0 – 159.61.63.255 | 16,384 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.64.0 – 159.61.79.255 | 4,096 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.81.0 – 159.61.81.255 | 256 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.82.0 – 159.61.83.255 | 512 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.84.0 – 159.61.87.255 | 1,024 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.88.0 – 159.61.95.255 | 2,048 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.96.0 – 159.61.127.255 | 8,192 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.128.0 – 159.61.143.255 | 4,096 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.144.0 – 159.61.151.255 | 2,048 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.156.0 – 159.61.159.255 | 1,024 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.160.0 – 159.61.191.255 | 8,192 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.61.192.0 – 159.61.255.255 | 16,384 | US |
allocated | 1992-03-13 | 20e6bf899752… |
| 159.62.0.0 – 159.62.255.255 | 65,536 | US |
allocated | 1992-03-13 | 6af3dbdad10c… |
| 159.64.0.0 – 159.64.255.255 | 65,536 | US |
allocated | 1992-03-13 | d7c40d04f568… |
| 159.66.0.0 – 159.66.255.255 | 65,536 | US |
allocated | 1992-03-13 | a33be4fe8afa… |
| 159.67.0.0 – 159.67.255.255 | 65,536 | US |
allocated | 1992-03-13 | e220ed812a4c… |
| 159.68.0.0 – 159.68.255.255 | 65,536 | US |
allocated | 1992-03-13 | bef0bf61cb6f… |
| 159.70.0.0 – 159.70.255.255 | 65,536 | US |
allocated | 1992-03-13 | 58bab9bfa223… |
| 159.71.0.0 – 159.71.255.255 | 65,536 | US |
allocated | 1992-03-13 | 45fe880b68a8… |
| 192.136.131.0 – 192.136.131.255 | 256 | US |
allocated | 1992-03-13 | 45fe880b68a8… |
| 192.136.132.0 – 192.136.132.255 | 256 | US |
allocated | 1992-03-13 | 45fe880b68a8… |
| 192.149.147.0 – 192.149.147.255 | 256 | US |
allocated | 1992-03-13 | a8320563af09… |
| 192.149.148.0 – 192.149.148.255 | 256 | US |
allocated | 1992-03-13 | 2fc72c3bfb52… |
| 192.149.150.0 – 192.149.150.255 | 256 | US |
allocated | 1992-03-13 | 7a026c0eda14… |
| 192.149.151.0 – 192.149.151.255 | 256 | US |
allocated | 1992-03-13 | 45fe880b68a8… |