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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.9.44.0 – 66.9.44.255 | 256 |  US |
allocated | 2023-11-07 | 26de60c16c6a… |
| 23.145.57.0 – 23.145.57.255 | 256 | US |
allocated | 2023-11-06 | abc2d0b18276… |
| 23.165.8.0 – 23.165.8.255 | 256 | US |
allocated | 2023-11-06 | 8bf643e46278… |
| 64.95.152.0 – 64.95.155.255 | 1,024 | US |
allocated | 2023-11-06 | 63a0b1d4de3a… |
| 138.74.128.0 – 138.74.255.255 | 32,768 | US |
allocated | 2023-11-06 | 7e0f5b8b99cd… |
| 207.210.115.0 – 207.210.115.255 | 256 | US |
allocated | 2023-11-06 | 309635ad784c… |
| 209.191.136.0 – 209.191.137.255 | 512 | US |
allocated | 2023-11-06 | c0c528449f83… |
| 23.151.233.0 – 23.151.233.255 | 256 | US |
allocated | 2023-11-03 | e31437cd05a5… |
| 72.5.32.0 – 72.5.35.255 | 1,024 | US |
allocated | 2023-11-03 | 05fa12433956… |
| 23.164.232.0 – 23.164.232.255 | 256 | US |
allocated | 2023-11-02 | d472747a94cc… |
| 23.164.248.0 – 23.164.248.255 | 256 |  CA |
allocated | 2023-11-02 | b7900cd2c296… |
| 64.22.91.0 – 64.22.91.255 | 256 | US |
allocated | 2023-11-02 | e0fc8e1ba45c… |
| 143.109.224.0 – 143.109.255.255 | 8,192 | US |
allocated | 2023-11-02 | 6a68b52d8a5e… |
| 198.212.36.0 – 198.212.36.255 | 256 | US |
allocated | 2023-11-02 | 744e976b7a00… |
| 199.45.232.0 – 199.45.235.255 | 1,024 | US |
allocated | 2023-11-02 | 443db4889f6d… |
| 23.164.216.0 – 23.164.216.255 | 256 | US |
allocated | 2023-11-01 | a1cbf6241ff6… |
| 64.94.84.0 – 64.94.85.255 | 512 | US |
allocated | 2023-11-01 | cb54e5f319d0… |
| 72.5.42.0 – 72.5.43.255 | 512 | US |
allocated | 2023-11-01 | cb54e5f319d0… |
| 72.5.46.0 – 72.5.47.255 | 512 | US |
allocated | 2023-11-01 | 51177ecfd4d8… |
| 216.52.108.0 – 216.52.111.255 | 1,024 | US |
allocated | 2023-11-01 | dee22e8e4ded… |
| 66.198.232.0 – 66.198.239.255 | 2,048 | US |
allocated | 2023-10-31 | 1b3e1ee9bff8… |
| 137.83.50.0 – 137.83.50.255 | 256 | CA |
allocated | 2023-10-31 | eb39e52646c9… |
| 204.144.185.0 – 204.144.185.255 | 256 | CA |
allocated | 2023-10-31 | 63b46daa8fc2… |
| 216.52.14.0 – 216.52.14.255 | 256 | US |
allocated | 2023-10-31 | 5865b7635cea… |
| 23.164.152.0 – 23.164.152.255 | 256 | US |
allocated | 2023-10-30 | 5536c6281cb3… |
| 23.164.168.0 – 23.164.168.255 | 256 | CA |
allocated | 2023-10-30 | 809f0edd42cc… |
| 72.46.84.0 – 72.46.87.255 | 1,024 | US |
allocated | 2023-10-30 | 059b1f0a93b0… |
| 117.18.123.0 – 117.18.123.255 | 256 | US |
allocated | 2023-10-30 | 15e4d814d1ac… |
| 159.26.0.0 – 159.26.63.255 | 16,384 | CA |
allocated | 2023-10-30 | 7f8d2810def2… |
| 23.164.120.0 – 23.164.120.255 | 256 | US |
allocated | 2023-10-27 | 09562780d847… |
| 66.150.128.0 – 66.150.131.255 | 1,024 | US |
allocated | 2023-10-27 | edeab83c031e… |
| 206.168.12.0 – 206.168.12.255 | 256 | US |
allocated | 2023-10-27 | 7055a282a54a… |
| 66.45.26.0 – 66.45.27.255 | 512 | US |
allocated | 2023-10-26 | 5970c4470753… |
| 208.94.238.0 – 208.94.238.255 | 256 | US |
allocated | 2023-10-26 | 2ac2167df039… |
| 209.74.64.0 – 209.74.95.255 | 8,192 | US |
allocated | 2023-10-26 | e23636528ef5… |
| 66.45.14.0 – 66.45.14.255 | 256 | US |
allocated | 2023-10-25 | f579d9967cdb… |
| 146.12.160.0 – 146.12.191.255 | 8,192 | US |
allocated | 2023-10-25 | 3ffec1cd5186… |
| 192.34.112.0 – 192.34.113.255 | 512 | US |
allocated | 2023-10-25 | 491ce6b3d67a… |
| 23.164.88.0 – 23.164.88.255 | 256 | US |
allocated | 2023-10-24 | f10a89e29828… |
| 23.164.104.0 – 23.164.104.255 | 256 | US |
allocated | 2023-10-24 | 4ccd91293154… |
| 66.198.228.0 – 66.198.231.255 | 1,024 | US |
allocated | 2023-10-24 | 817d2419a2eb… |
| 173.250.232.0 – 173.250.239.255 | 2,048 | US |
allocated | 2023-10-24 | 5ca27e0a9511… |
| 173.250.240.0 – 173.250.255.255 | 4,096 | US |
allocated | 2023-10-24 | 4d6073d3e965… |
| 23.164.56.0 – 23.164.56.255 | 256 | US |
allocated | 2023-10-23 | 3bfa54186c82… |
| 66.33.104.0 – 66.33.111.255 | 2,048 | US |
allocated | 2023-10-23 | 43c073c96837… |
| 66.33.120.0 – 66.33.127.255 | 2,048 | US |
allocated | 2023-10-23 | 43c073c96837… |
| 66.132.160.0 – 66.132.167.255 | 2,048 | US |
allocated | 2023-10-23 | 43c073c96837… |
| 170.89.64.0 – 170.89.127.255 | 16,384 | US |
allocated | 2023-10-23 | a2efe17e89ac… |
| 192.139.184.0 – 192.139.184.255 | 256 | US |
allocated | 2023-10-23 | 237fb05548a1… |
| 206.223.144.0 – 206.223.147.255 | 1,024 | US |
allocated | 2023-10-23 | 11e220c3e486… |
| 64.227.216.0 – 64.227.223.255 | 2,048 | US |
allocated | 2023-10-20 | 433db68f4c23… |
| 64.227.228.0 – 64.227.231.255 | 1,024 | US |
allocated | 2023-10-20 | 433db68f4c23… |
| 64.227.232.0 – 64.227.239.255 | 2,048 | US |
allocated | 2023-10-20 | 433db68f4c23… |
| 23.164.40.0 – 23.164.40.255 | 256 | US |
allocated | 2023-10-19 | 96b3b39deeca… |
| 199.190.64.0 – 199.190.127.255 | 16,384 | US |
allocated | 2023-10-19 | ad5a8840e6d5… |
| 204.144.136.0 – 204.144.139.255 | 1,024 | US |
allocated | 2023-10-19 | b9248812e4ff… |
| 205.148.192.0 – 205.148.255.255 | 16,384 | US |
allocated | 2023-10-19 | ad5a8840e6d5… |
| 206.162.0.0 – 206.162.127.255 | 32,768 | US |
allocated | 2023-10-19 | ad5a8840e6d5… |
| 209.20.150.0 – 209.20.151.255 | 512 | US |
allocated | 2023-10-19 | 093885b872a1… |
| 23.164.24.0 – 23.164.24.255 | 256 | US |
allocated | 2023-10-18 | 770847357e54… |
| 16.3.0.0 – 16.3.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.4.0.0 – 16.4.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.6.0.0 – 16.6.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.11.0.0 – 16.11.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.65.0.0 – 16.65.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.73.0.0 – 16.73.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.76.0.0 – 16.76.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.100.0.0 – 16.100.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.131.0.0 – 16.131.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.133.0.0 – 16.133.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.209.0.0 – 16.209.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 16.210.0.0 – 16.210.255.255 | 65,536 | US |
allocated | 2023-10-17 | 20c786e8edd8… |
| 23.163.232.0 – 23.163.232.255 | 256 | US |
allocated | 2023-10-17 | 7bce0abbb960… |
| 23.163.248.0 – 23.163.248.255 | 256 | US |
allocated | 2023-10-17 | bfa36d373f2b… |
| 69.48.240.0 – 69.48.255.255 | 4,096 | US |
allocated | 2023-10-17 | 298651449446… |
| 199.45.168.0 – 199.45.175.255 | 2,048 | US |
allocated | 2023-10-17 | 6699d4c582a3… |
| 204.144.152.0 – 204.144.159.255 | 2,048 | US |
allocated | 2023-10-17 | 6699d4c582a3… |
| 206.168.100.0 – 206.168.103.255 | 1,024 | US |
allocated | 2023-10-17 | 9114aae50d71… |
| 23.163.200.0 – 23.163.200.255 | 256 | US |
allocated | 2023-10-16 | ec929ad2f1e1… |
| 66.103.152.0 – 66.103.155.255 | 1,024 | CA |
allocated | 2023-10-16 | 7d6e79ceff0e… |
| 66.179.86.0 – 66.179.87.255 | 512 | US |
allocated | 2023-10-16 | 6d4e3879fad7… |
| 202.36.109.0 – 202.36.109.255 | 256 | US |
allocated | 2023-10-16 | dde44ef380dc… |
| 23.163.184.0 – 23.163.184.255 | 256 | US |
allocated | 2023-10-13 | f745e820302a… |
| 74.122.172.0 – 74.122.175.255 | 1,024 | CA |
allocated | 2023-10-13 | 2efb3622ce76… |
| 23.163.136.0 – 23.163.136.255 | 256 | US |
allocated | 2023-10-12 | 39aa7fdaac88… |
| 23.163.152.0 – 23.163.152.255 | 256 | US |
allocated | 2023-10-12 | 9f89b46a1f51… |
| 23.163.168.0 – 23.163.168.255 | 256 | US |
allocated | 2023-10-12 | 14451d701346… |
| 65.75.240.0 – 65.75.255.255 | 4,096 | US |
allocated | 2023-10-12 | f607b10c67c7… |
| 66.45.59.0 – 66.45.59.255 | 256 | US |
allocated | 2023-10-12 | 5c5ba693435c… |
| 208.64.0.0 – 208.64.1.255 | 512 |  BM |
allocated | 2023-10-12 | 064b377e3b79… |
| 208.64.6.0 – 208.64.7.255 | 512 | BM |
allocated | 2023-10-12 | 064b377e3b79… |
| 23.163.120.0 – 23.163.120.255 | 256 | US |
allocated | 2023-10-11 | dcaf2c31321c… |
| 172.98.28.0 – 172.98.28.255 | 256 | US |
allocated | 2023-10-11 | 2489d82cdc72… |
| 209.71.48.0 – 209.71.63.255 | 4,096 | US |
allocated | 2023-10-11 | 2cd4f510be8b… |
| 23.163.88.0 – 23.163.88.255 | 256 | US |
allocated | 2023-10-10 | 4a08dfc5c6bc… |
| 23.163.104.0 – 23.163.104.255 | 256 | US |
allocated | 2023-10-10 | 01606de1e768… |
| 23.163.113.0 – 23.163.113.255 | 256 | US |
allocated | 2023-10-10 | 032bb6735f76… |
| 23.164.8.0 – 23.164.8.255 | 256 | US |
allocated | 2023-10-10 | 993e99010efe… |
| 64.7.200.0 – 64.7.207.255 | 2,048 | US |
allocated | 2023-10-10 | 20c786e8edd8… |
| 64.7.208.0 – 64.7.215.255 | 2,048 | US |
allocated | 2023-10-10 | 20c786e8edd8… |