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
1,645,667,328
📦
IPv4 networks
76,693
delegated blocks
🧭
IPv6 networks
11,352
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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 | be15f1562bbf… |
| 199.254.251.0 – 199.254.251.255 | 256 | US |
allocated | 1994-11-08 | cfa8d0c402e9… |
| 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… |
| 204.107.241.0 – 204.107.241.255 | 256 | US |
allocated | 1994-11-07 | 02463ccc88c7… |
| 204.107.242.0 – 204.107.242.255 | 256 | US |
allocated | 1994-11-07 | ac5b43df0348… |
| 204.122.128.0 – 204.122.255.255 | 32,768 | US |
allocated | 1994-11-07 | 34e9964ba3a1… |
| 204.155.160.0 – 204.155.175.255 | 4,096 | US |
allocated | 1994-11-07 | f3c6e403a635… |
| 204.155.176.0 – 204.155.191.255 | 4,096 | US |
allocated | 1994-11-07 | ab5182a7a765… |
| 204.155.192.0 – 204.155.207.255 | 4,096 | US |
allocated | 1994-11-07 | efdc12815af1… |
| 204.174.50.0 – 204.174.50.255 | 256 |  CA |
allocated | 1994-11-07 | 0efbc0e2f82f… |
| 204.187.1.0 – 204.187.1.255 | 256 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.2.0 – 204.187.3.255 | 512 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.4.0 – 204.187.7.255 | 1,024 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.8.0 – 204.187.9.255 | 512 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.10.0 – 204.187.10.255 | 256 | CA |
allocated | 1994-11-07 | 2134330d9e2a… |
| 204.187.16.0 – 204.187.31.255 | 4,096 | CA |
allocated | 1994-11-07 | 1959422f6595… |
| 204.187.32.0 – 204.187.39.255 | 2,048 | CA |
allocated | 1994-11-07 | 1851274c0373… |
| 204.187.48.0 – 204.187.48.255 | 256 | CA |
allocated | 1994-11-07 | c8bae1572cdf… |
| 204.187.49.0 – 204.187.49.255 | 256 | CA |
allocated | 1994-11-07 | c8bae1572cdf… |
| 204.187.50.0 – 204.187.51.255 | 512 | CA |
allocated | 1994-11-07 | 46a624e001d4… |
| 204.187.52.0 – 204.187.53.255 | 512 | CA |
allocated | 1994-11-07 | b309e579e495… |
| 204.187.54.0 – 204.187.54.255 | 256 | CA |
allocated | 1994-11-07 | b309e579e495… |
| 204.187.55.0 – 204.187.55.255 | 256 | CA |
allocated | 1994-11-07 | 77bd1350b175… |
| 204.187.56.0 – 204.187.57.255 | 512 | CA |
allocated | 1994-11-07 | dae16933a3c9… |
| 204.187.58.0 – 204.187.58.255 | 256 | CA |
allocated | 1994-11-07 | dae16933a3c9… |
| 204.187.59.0 – 204.187.59.255 | 256 | CA |
allocated | 1994-11-07 | 00c4d684cf34… |
| 204.187.60.0 – 204.187.61.255 | 512 | CA |
allocated | 1994-11-07 | d60e3caca669… |
| 204.187.62.0 – 204.187.63.255 | 512 | CA |
allocated | 1994-11-07 | 5848127ecd37… |
| 204.187.64.0 – 204.187.64.255 | 256 | CA |
allocated | 1994-11-07 | c2b3c0e5eb5b… |
| 204.187.65.0 – 204.187.65.255 | 256 | CA |
allocated | 1994-11-07 | c26349464d85… |
| 204.187.67.0 – 204.187.67.255 | 256 | CA |
allocated | 1994-11-07 | b3e6df5d0273… |
| 204.187.68.0 – 204.187.69.255 | 512 | CA |
allocated | 1994-11-07 | 170537a03f7e… |
| 204.187.70.0 – 204.187.71.255 | 512 | CA |
allocated | 1994-11-07 | ff4a795248ca… |
| 204.187.72.0 – 204.187.75.255 | 1,024 | CA |
allocated | 1994-11-07 | ff4a795248ca… |
| 204.187.76.0 – 204.187.76.255 | 256 | CA |
allocated | 1994-11-07 | eb63b6bb517b… |
| 204.187.77.0 – 204.187.77.255 | 256 | CA |
allocated | 1994-11-07 | 6d44f11c0d7d… |
| 204.187.78.0 – 204.187.78.255 | 256 | CA |
allocated | 1994-11-07 | c33f372e029f… |
| 204.187.79.0 – 204.187.79.255 | 256 | CA |
allocated | 1994-11-07 | 1a7b6eeac4c6… |
| 204.187.80.0 – 204.187.80.255 | 256 | CA |
allocated | 1994-11-07 | f6d09ca0cb7e… |
| 204.187.81.0 – 204.187.81.255 | 256 | CA |
allocated | 1994-11-07 | 35a33325609c… |
| 204.187.82.0 – 204.187.83.255 | 512 | CA |
allocated | 1994-11-07 | 1ff2f62541c6… |
| 204.187.84.0 – 204.187.84.255 | 256 | CA |
allocated | 1994-11-07 | 6b9611deff3b… |
| 204.187.85.0 – 204.187.85.255 | 256 | CA |
allocated | 1994-11-07 | cc24613355ad… |
| 204.187.87.0 – 204.187.87.255 | 256 | CA |
allocated | 1994-11-07 | d6dff3a6c1cc… |
| 204.187.88.0 – 204.187.89.255 | 512 | CA |
allocated | 1994-11-07 | d89f0f1cc3a6… |
| 204.187.90.0 – 204.187.91.255 | 512 | CA |
allocated | 1994-11-07 | e8fb75aa9d39… |
| 204.187.92.0 – 204.187.92.255 | 256 | CA |
allocated | 1994-11-07 | d384ff722a20… |
| 204.187.93.0 – 204.187.93.255 | 256 | CA |
allocated | 1994-11-07 | 751debb383f8… |
| 204.187.95.0 – 204.187.95.255 | 256 | CA |
allocated | 1994-11-07 | 4ead3150e4fb… |
| 204.187.96.0 – 204.187.97.255 | 512 | CA |
allocated | 1994-11-07 | 4ead3150e4fb… |
| 204.187.98.0 – 204.187.99.255 | 512 | CA |
allocated | 1994-11-07 | 027c7564756d… |
| 204.187.100.0 – 204.187.101.255 | 512 | CA |
allocated | 1994-11-07 | 7b02ffea6a50… |
| 204.187.103.0 – 204.187.103.255 | 256 | CA |
allocated | 1994-11-07 | 2b08f5d88ae9… |
| 204.187.104.0 – 204.187.104.255 | 256 | CA |
allocated | 1994-11-07 | 9cf0c03a2a0a… |
| 204.187.106.0 – 204.187.107.255 | 512 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.108.0 – 204.187.111.255 | 1,024 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.112.0 – 204.187.115.255 | 1,024 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.116.0 – 204.187.117.255 | 512 | CA |
allocated | 1994-11-07 | 0ad20aab2dad… |
| 204.187.118.0 – 204.187.119.255 | 512 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.120.0 – 204.187.123.255 | 1,024 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.124.0 – 204.187.125.255 | 512 | CA |
allocated | 1994-11-07 | f87728372529… |
| 204.187.126.0 – 204.187.126.255 | 256 | CA |
allocated | 1994-11-07 | f87728372529… |