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 |
|---|---|---|---|---|---|
| 204.124.166.0 – 204.124.166.255 | 256 |  US |
allocated | 1994-11-14 | 181f4997ea39… |
| 169.145.0.0 – 169.145.255.255 | 65,536 | US |
allocated | 1994-11-10 | efb46f1b426c… |
| 170.199.247.0 – 170.199.247.255 | 256 | US |
allocated | 1994-11-10 | 8fc50028b571… |
| 204.27.149.0 – 204.27.149.255 | 256 | US |
allocated | 1994-11-10 | 435808c78f8d… |
| 204.27.150.0 – 204.27.150.255 | 256 | US |
allocated | 1994-11-10 | b4b39ccd967b… |
| 204.27.151.0 – 204.27.151.255 | 256 | US |
allocated | 1994-11-10 | 38af218544e2… |
| 204.27.152.0 – 204.27.152.255 | 256 | US |
allocated | 1994-11-10 | 339f96f87534… |
| 204.27.154.0 – 204.27.154.255 | 256 | US |
allocated | 1994-11-10 | cd79626b862d… |
| 204.27.155.0 – 204.27.155.255 | 256 | US |
allocated | 1994-11-10 | 5b2af4540037… |
| 204.27.156.0 – 204.27.156.255 | 256 | US |
allocated | 1994-11-10 | 1195e5653c10… |
| 204.63.136.0 – 204.63.143.255 | 2,048 | US |
allocated | 1994-11-10 | 3b6d3c728e10… |
| 204.89.64.0 – 204.89.127.255 | 16,384 | US |
allocated | 1994-11-10 | 3abd08fe930a… |
| 204.130.130.0 – 204.130.130.255 | 256 | US |
allocated | 1994-11-10 | a1acb5752519… |
| 204.130.131.0 – 204.130.131.255 | 256 | US |
allocated | 1994-11-10 | 59607f4c6295… |
| 204.130.132.0 – 204.130.132.255 | 256 | US |
allocated | 1994-11-10 | ec4301bb2a84… |
| 204.130.133.0 – 204.130.133.255 | 256 | US |
allocated | 1994-11-10 | 518764a76895… |
| 204.130.134.0 – 204.130.134.255 | 256 | US |
allocated | 1994-11-10 | e50a601acc5e… |
| 204.130.136.0 – 204.130.136.255 | 256 | US |
allocated | 1994-11-10 | 9b44141f9820… |
| 204.130.137.0 – 204.130.137.255 | 256 | US |
allocated | 1994-11-10 | 2a8f66cfe34e… |
| 204.130.138.0 – 204.130.138.255 | 256 | US |
allocated | 1994-11-10 | 9ce7ce78cf90… |
| 204.130.139.0 – 204.130.139.255 | 256 | US |
allocated | 1994-11-10 | 0f2c05055e12… |
| 204.130.141.0 – 204.130.141.255 | 256 | US |
allocated | 1994-11-10 | d8c852fb8291… |
| 204.152.36.0 – 204.152.37.255 | 512 | US |
allocated | 1994-11-10 | 0e985d80d422… |
| 204.153.112.0 – 204.153.115.255 | 1,024 | US |
allocated | 1994-11-10 | d40977c6a150… |
| 204.154.192.0 – 204.154.199.255 | 2,048 | US |
allocated | 1994-11-10 | e376a68bb196… |
| 169.142.0.0 – 169.142.255.255 | 65,536 | US |
allocated | 1994-11-09 | 2325ba492698… |
| 169.143.0.0 – 169.143.255.255 | 65,536 | US |
allocated | 1994-11-09 | 725bc4c7f6e9… |
| 169.144.0.0 – 169.144.255.255 | 65,536 | US |
allocated | 1994-11-09 | 41d606401cb6… |
| 204.27.128.0 – 204.27.128.255 | 256 | US |
allocated | 1994-11-09 | fa9361d88f83… |
| 204.27.129.0 – 204.27.129.255 | 256 | US |
allocated | 1994-11-09 | dcc609544bb0… |
| 204.27.130.0 – 204.27.130.255 | 256 | US |
allocated | 1994-11-09 | 95e5187e3eb8… |
| 204.27.131.0 – 204.27.131.255 | 256 | US |
allocated | 1994-11-09 | 25127066128a… |
| 204.27.132.0 – 204.27.132.255 | 256 | US |
allocated | 1994-11-09 | 07bd80e49a3a… |
| 204.27.133.0 – 204.27.133.255 | 256 | US |
allocated | 1994-11-09 | ac0c94a1e308… |
| 204.27.134.0 – 204.27.134.255 | 256 | US |
allocated | 1994-11-09 | b68150e5cc8c… |
| 204.27.135.0 – 204.27.135.255 | 256 | US |
allocated | 1994-11-09 | d6d6fe105392… |
| 204.27.136.0 – 204.27.136.255 | 256 | US |
allocated | 1994-11-09 | ab5efc1be67b… |
| 204.27.137.0 – 204.27.137.255 | 256 | US |
allocated | 1994-11-09 | 1fe9459c1219… |
| 204.27.139.0 – 204.27.139.255 | 256 | US |
allocated | 1994-11-09 | 3a148e25167c… |
| 204.27.140.0 – 204.27.140.255 | 256 | US |
allocated | 1994-11-09 | cade225cf87a… |
| 204.27.141.0 – 204.27.141.255 | 256 | US |
allocated | 1994-11-09 | a0e9b9c1b099… |
| 204.27.142.0 – 204.27.142.255 | 256 | US |
allocated | 1994-11-09 | a05b7c5ce635… |
| 204.27.143.0 – 204.27.143.255 | 256 | US |
allocated | 1994-11-09 | 05322f98a9a8… |
| 204.27.144.0 – 204.27.144.255 | 256 | US |
allocated | 1994-11-09 | ad0b339ab9dc… |
| 204.27.145.0 – 204.27.145.255 | 256 | US |
allocated | 1994-11-09 | 2675583bdcee… |
| 204.27.146.0 – 204.27.146.255 | 256 | US |
allocated | 1994-11-09 | 888b76d934bc… |
| 204.27.147.0 – 204.27.147.255 | 256 | US |
allocated | 1994-11-09 | 4244823440ca… |
| 204.61.64.0 – 204.61.95.255 | 8,192 | US |
allocated | 1994-11-09 | e220ed812a4c… |
| 204.107.246.0 – 204.107.246.255 | 256 | US |
allocated | 1994-11-09 | 331d33fb4e70… |
| 204.107.247.0 – 204.107.247.255 | 256 | US |
allocated | 1994-11-09 | 384f592ebf8e… |
| 204.107.248.0 – 204.107.248.255 | 256 | US |
allocated | 1994-11-09 | 0e2011f5b983… |
| 204.107.249.0 – 204.107.249.255 | 256 | US |
allocated | 1994-11-09 | 806c99129260… |
| 204.107.250.0 – 204.107.250.255 | 256 | US |
allocated | 1994-11-09 | 72f0610a8d77… |
| 204.107.251.0 – 204.107.251.255 | 256 | US |
allocated | 1994-11-09 | 8e60eae3ffa8… |
| 204.107.252.0 – 204.107.252.255 | 256 | US |
allocated | 1994-11-09 | 319467b00a1c… |
| 204.107.253.0 – 204.107.253.255 | 256 | US |
allocated | 1994-11-09 | cf1b80de6e9f… |
| 204.107.254.0 – 204.107.254.255 | 256 | US |
allocated | 1994-11-09 | 4d988bf40ff2… |
| 204.107.255.0 – 204.107.255.255 | 256 | US |
allocated | 1994-11-09 | e99c191425b3… |
| 204.126.80.0 – 204.126.81.255 | 512 | US |
allocated | 1994-11-09 | ca2c681b19e1… |
| 204.130.64.0 – 204.130.127.255 | 16,384 | US |
allocated | 1994-11-09 | 54191f5d0363… |
| 204.130.128.0 – 204.130.128.255 | 256 | US |
allocated | 1994-11-09 | 57502bdffbed… |
| 204.153.96.0 – 204.153.99.255 | 1,024 | US |
allocated | 1994-11-09 | 554fc61cc5ae… |
| 204.153.108.0 – 204.153.111.255 | 1,024 | US |
allocated | 1994-11-09 | 161fb0fc33bc… |
| 204.188.0.0 – 204.188.127.255 | 32,768 | US |
allocated | 1994-11-09 | cdb7d42057bd… |
| 204.188.128.0 – 204.188.135.255 | 2,048 | US |
allocated | 1994-11-09 | cdb7d42057bd… |
| 204.188.136.0 – 204.188.143.255 | 2,048 | US |
allocated | 1994-11-09 | 8d94230a2495… |
| 204.188.144.0 – 204.188.159.255 | 4,096 | US |
allocated | 1994-11-09 | cdb7d42057bd… |
| 204.188.160.0 – 204.188.191.255 | 8,192 | US |
allocated | 1994-11-09 | cdb7d42057bd… |
| 204.189.0.0 – 204.189.255.255 | 65,536 | US |
allocated | 1994-11-09 | cdb7d42057bd… |
| 169.137.0.0 – 169.137.255.255 | 65,536 | US |
allocated | 1994-11-08 | cdf0ec2843ac… |
| 169.139.0.0 – 169.139.255.255 | 65,536 | US |
allocated | 1994-11-08 | a84b4ca286b0… |
| 169.141.0.0 – 169.141.255.255 | 65,536 | US |
allocated | 1994-11-08 | 9a65a87e3abf… |
| 199.254.248.0 – 199.254.248.255 | 256 | US |
allocated | 1994-11-08 | c8cda8400591… |
| 199.254.249.0 – 199.254.249.255 | 256 | US |
allocated | 1994-11-08 | 4c923d5c3ff1… |
| 199.254.250.0 – 199.254.250.255 | 256 | US |
allocated | 1994-11-08 | f66c06293275… |
| 199.254.252.0 – 199.254.252.255 | 256 | US |
allocated | 1994-11-08 | 8550b5413867… |
| 199.254.253.0 – 199.254.253.255 | 256 | US |
allocated | 1994-11-08 | 2f1acfd5edca… |
| 199.254.254.0 – 199.254.254.255 | 256 | US |
allocated | 1994-11-08 | 65bc90f217b9… |
| 199.254.255.0 – 199.254.255.255 | 256 | US |
allocated | 1994-11-08 | 4fc920fae3b6… |
| 204.107.243.0 – 204.107.243.255 | 256 | US |
allocated | 1994-11-08 | 0b316f3a2f19… |
| 204.107.244.0 – 204.107.244.255 | 256 | US |
allocated | 1994-11-08 | aed17c05ca90… |
| 204.107.245.0 – 204.107.245.255 | 256 | US |
allocated | 1994-11-08 | 1bc39f0e65e6… |
| 204.124.148.0 – 204.124.151.255 | 1,024 | US |
allocated | 1994-11-08 | 54e719cd0293… |
| 204.124.152.0 – 204.124.155.255 | 1,024 | US |
allocated | 1994-11-08 | c8a61e53b143… |
| 204.153.92.0 – 204.153.95.255 | 1,024 | US |
allocated | 1994-11-08 | 1ae1a55afae3… |
| 204.107.223.0 – 204.107.223.255 | 256 | US |
allocated | 1994-11-07 | 331d33fb4e70… |
| 204.107.224.0 – 204.107.224.255 | 256 | US |
allocated | 1994-11-07 | cc8af3b69cea… |
| 204.107.225.0 – 204.107.225.255 | 256 | US |
allocated | 1994-11-07 | 848a2f86155d… |
| 204.107.228.0 – 204.107.228.255 | 256 | US |
allocated | 1994-11-07 | 1b763232fe8d… |
| 204.107.229.0 – 204.107.229.255 | 256 | US |
allocated | 1994-11-07 | ba28f73be1fc… |
| 204.107.231.0 – 204.107.231.255 | 256 | US |
allocated | 1994-11-07 | 378ff3b4a7e8… |
| 204.107.232.0 – 204.107.232.255 | 256 | US |
allocated | 1994-11-07 | e3f2bb1864ef… |
| 204.107.233.0 – 204.107.233.255 | 256 | US |
allocated | 1994-11-07 | cfa4f5ab17b7… |
| 204.107.234.0 – 204.107.234.255 | 256 | US |
allocated | 1994-11-07 | dd27f7dc43e3… |
| 204.107.235.0 – 204.107.235.255 | 256 | US |
allocated | 1994-11-07 | a4074edc3469… |
| 204.107.236.0 – 204.107.236.255 | 256 | US |
allocated | 1994-11-07 | 5373090dbe43… |
| 204.107.237.0 – 204.107.237.255 | 256 | US |
allocated | 1994-11-07 | 6557c13dd24d… |
| 204.107.238.0 – 204.107.238.255 | 256 | US |
allocated | 1994-11-07 | 2a143ad325d9… |
| 204.107.239.0 – 204.107.239.255 | 256 | US |
allocated | 1994-11-07 | d3963330dc80… |
| 204.107.240.0 – 204.107.240.255 | 256 | US |
allocated | 1994-11-07 | cdc02d8a581e… |