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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 40.221.0.0 – 40.221.255.255 | 65,536 |  US |
allocated | 2023-02-13 | ace55d4dc090… |
| 40.222.0.0 – 40.222.255.255 | 65,536 | US |
allocated | 2023-02-13 | ace55d4dc090… |
| 40.230.0.0 – 40.230.255.255 | 65,536 | US |
allocated | 2023-02-13 | ace55d4dc090… |
| 40.233.0.0 – 40.233.127.255 | 32,768 | US |
allocated | 2023-02-13 | ace55d4dc090… |
| 74.80.237.0 – 74.80.237.255 | 256 | US |
allocated | 2023-02-13 | 3528ae12148f… |
| 88.218.35.0 – 88.218.35.255 | 256 | US |
allocated | 2023-02-13 | 115dcfa6c323… |
| 104.193.250.0 – 104.193.251.255 | 512 | US |
allocated | 2023-02-10 | e16140c8f347… |
| 167.234.39.0 – 167.234.39.255 | 256 | US |
allocated | 2023-02-10 | 1547b20d249b… |
| 168.75.192.0 – 168.75.207.255 | 4,096 | US |
allocated | 2023-02-10 | 0d8a1aa4415c… |
| 198.241.49.0 – 198.241.49.255 | 256 | US |
allocated | 2023-02-10 | 6699d4c582a3… |
| 204.144.160.0 – 204.144.175.255 | 4,096 | US |
allocated | 2023-02-10 | 37808cbd7c0a… |
| 23.147.168.0 – 23.147.168.255 | 256 | US |
allocated | 2023-02-09 | e2f0a879d451… |
| 23.147.184.0 – 23.147.184.255 | 256 | US |
allocated | 2023-02-09 | 3ea1d3c84971… |
| 192.207.12.0 – 192.207.12.255 | 256 | US |
allocated | 2023-02-09 | 797759377c34… |
| 23.147.136.0 – 23.147.136.255 | 256 | US |
allocated | 2023-02-08 | 3387fe471957… |
| 23.147.152.0 – 23.147.152.255 | 256 | US |
allocated | 2023-02-08 | 94689c4ce1ca… |
| 23.147.72.0 – 23.147.72.255 | 256 | US |
allocated | 2023-02-07 | 95745b9c08e0… |
| 23.147.88.0 – 23.147.88.255 | 256 | US |
allocated | 2023-02-07 | ec07c072f201… |
| 23.147.104.0 – 23.147.104.255 | 256 | US |
allocated | 2023-02-07 | 882c85140585… |
| 23.147.120.0 – 23.147.120.255 | 256 | US |
allocated | 2023-02-07 | 67f5f6e0a033… |
| 64.187.120.0 – 64.187.121.255 | 512 | US |
allocated | 2023-02-07 | e404753dba84… |
| 150.107.124.0 – 150.107.124.255 | 256 |  CA |
allocated | 2023-02-07 | 1fdb25f30fea… |
| 199.74.228.0 – 199.74.228.255 | 256 | US |
allocated | 2023-02-07 | cb948a2bb4c7… |
| 216.170.112.0 – 216.170.112.255 | 256 | US |
allocated | 2023-02-07 | cc23ce1a16b4… |
| 216.170.116.0 – 216.170.116.255 | 256 | US |
allocated | 2023-02-07 | cc23ce1a16b4… |
| 216.170.120.0 – 216.170.120.255 | 256 | US |
allocated | 2023-02-07 | cc23ce1a16b4… |
| 216.170.122.0 – 216.170.122.255 | 256 | US |
allocated | 2023-02-07 | cc23ce1a16b4… |
| 23.147.40.0 – 23.147.40.255 | 256 | US |
allocated | 2023-02-06 | 287a4b5f9c6a… |
| 23.147.56.0 – 23.147.56.255 | 256 | US |
allocated | 2023-02-06 | 05515550463b… |
| 185.165.212.0 – 185.165.215.255 | 1,024 | US |
allocated | 2023-02-06 | 9a1437204f15… |
| 192.24.0.0 – 192.24.15.255 | 4,096 | US |
allocated | 2023-02-06 | 94f8deb75257… |
| 194.107.70.0 – 194.107.71.255 | 512 | US |
allocated | 2023-02-06 | 306bb21072cf… |
| 204.48.35.0 – 204.48.35.255 | 256 | US |
allocated | 2023-02-06 | cc23ce1a16b4… |
| 204.48.48.0 – 204.48.51.255 | 1,024 | US |
allocated | 2023-02-06 | cc23ce1a16b4… |
| 217.10.224.0 – 217.10.224.255 | 256 | US |
allocated | 2023-02-06 | e860a0ce60bb… |
| 217.10.227.0 – 217.10.227.255 | 256 | US |
allocated | 2023-02-06 | e860a0ce60bb… |
| 217.10.228.0 – 217.10.228.255 | 256 | US |
allocated | 2023-02-06 | e860a0ce60bb… |
| 23.146.248.0 – 23.146.248.255 | 256 | US |
allocated | 2023-02-03 | f9db622c10b2… |
| 23.147.8.0 – 23.147.8.255 | 256 | US |
allocated | 2023-02-03 | 3ae72e55ebf2… |
| 23.147.24.0 – 23.147.24.255 | 256 | US |
allocated | 2023-02-03 | 1b71c1cea2a8… |
| 66.9.160.0 – 66.9.175.255 | 4,096 | US |
allocated | 2023-02-03 | c1dfdf31702f… |
| 66.9.176.0 – 66.9.183.255 | 2,048 | US |
allocated | 2023-02-03 | c1dfdf31702f… |
| 66.9.184.0 – 66.9.187.255 | 1,024 | US |
allocated | 2023-02-03 | c1dfdf31702f… |
| 66.9.188.0 – 66.9.191.255 | 1,024 | US |
allocated | 2023-02-03 | 0d783ec52848… |
| 66.33.16.0 – 66.33.19.255 | 1,024 | US |
allocated | 2023-02-03 | 0afd11fea3d9… |
| 207.183.128.0 – 207.183.159.255 | 8,192 | US |
allocated | 2023-02-03 | 2da2e29de4d4… |
| 216.47.0.0 – 216.47.15.255 | 4,096 | US |
allocated | 2023-02-03 | 947f1bf5e972… |
| 23.146.232.0 – 23.146.232.255 | 256 | US |
allocated | 2023-02-02 | 5eabd30f36e2… |
| 199.45.160.0 – 199.45.163.255 | 1,024 | US |
allocated | 2023-02-02 | 7b2b15e04471… |
| 199.45.254.0 – 199.45.254.255 | 256 | US |
allocated | 2023-02-02 | 1f037cccbda0… |
| 205.211.137.0 – 205.211.137.255 | 256 | US |
allocated | 2023-02-01 | 0c3566747d3e… |
| 23.146.200.0 – 23.146.200.255 | 256 | US |
allocated | 2023-01-31 | fce25aad9f2b… |
| 23.146.216.0 – 23.146.216.255 | 256 | US |
allocated | 2023-01-31 | 46e5570eb813… |
| 74.122.236.0 – 74.122.236.255 | 256 | US |
allocated | 2023-01-31 | 1f9fc0e9f7c8… |
| 23.252.16.0 – 23.252.31.255 | 4,096 | US |
allocated | 2023-01-30 | 1732fc827803… |
| 45.57.128.0 – 45.57.255.255 | 32,768 | US |
allocated | 2023-01-30 | 20c786e8edd8… |
| 198.51.102.0 – 198.51.102.255 | 256 | US |
allocated | 2023-01-30 | b985d75cf272… |
| 66.33.96.0 – 66.33.96.255 | 256 | US |
allocated | 2023-01-27 | 31a6d1e92a08… |
| 148.116.0.0 – 148.116.255.255 | 65,536 | US |
allocated | 2023-01-27 | ace55d4dc090… |
| 167.234.36.0 – 167.234.36.255 | 256 | US |
allocated | 2023-01-27 | c21f66840947… |
| 206.168.64.0 – 206.168.67.255 | 1,024 | US |
allocated | 2023-01-27 | 698623fc016f… |
| 159.47.0.0 – 159.47.255.255 | 65,536 | US |
allocated | 2023-01-26 | 20c786e8edd8… |
| 159.54.64.0 – 159.54.127.255 | 16,384 | US |
allocated | 2023-01-26 | ace55d4dc090… |
| 159.54.128.0 – 159.54.191.255 | 16,384 | US |
allocated | 2023-01-26 | ace55d4dc090… |
| 23.146.184.0 – 23.146.184.255 | 256 | US |
allocated | 2023-01-25 | 5f8c67df07cf… |
| 23.146.136.0 – 23.146.136.255 | 256 | CA |
allocated | 2023-01-24 | 9c9880580e7c… |
| 23.146.152.0 – 23.146.152.255 | 256 | US |
allocated | 2023-01-24 | 046f7ea3621b… |
| 23.146.168.0 – 23.146.168.255 | 256 | US |
allocated | 2023-01-24 | 8210d98a3c50… |
| 66.132.212.0 – 66.132.215.255 | 1,024 | US |
allocated | 2023-01-24 | 2ed801ff58f6… |
| 74.80.164.0 – 74.80.164.255 | 256 | CA |
allocated | 2023-01-24 | 35695643a92b… |
| 162.120.22.0 – 162.120.23.255 | 512 | US |
allocated | 2023-01-24 | 47d5acc9a326… |
| 199.34.244.0 – 199.34.247.255 | 1,024 | US |
allocated | 2023-01-24 | b95a69318eca… |
| 203.2.198.0 – 203.2.198.255 | 256 | US |
allocated | 2023-01-24 | c21f66840947… |
| 206.225.5.0 – 206.225.5.255 | 256 | US |
allocated | 2023-01-24 | 32b1c9061cf6… |
| 206.225.6.0 – 206.225.7.255 | 512 | US |
allocated | 2023-01-24 | 32b1c9061cf6… |
| 206.225.12.0 – 206.225.12.255 | 256 | US |
allocated | 2023-01-24 | 32b1c9061cf6… |
| 206.225.15.0 – 206.225.15.255 | 256 | US |
allocated | 2023-01-24 | 32b1c9061cf6… |
| 207.244.193.0 – 207.244.193.255 | 256 | US |
allocated | 2023-01-24 | 32b1c9061cf6… |
| 202.27.250.0 – 202.27.250.255 | 256 | US |
allocated | 2023-01-23 | 91a4ad9776df… |
| 207.244.194.0 – 207.244.195.255 | 512 | US |
allocated | 2023-01-23 | 687ebaf47556… |
| 216.87.39.0 – 216.87.39.255 | 256 | US |
allocated | 2023-01-23 | 687ebaf47556… |
| 23.146.104.0 – 23.146.104.255 | 256 | US |
allocated | 2023-01-20 | f145a132f326… |
| 23.146.120.0 – 23.146.121.255 | 512 | US |
allocated | 2023-01-20 | ea83eb24a36a… |
| 149.112.52.0 – 149.112.52.255 | 256 | US |
allocated | 2023-01-20 | c9013ed15681… |
| 168.75.128.0 – 168.75.143.255 | 4,096 | US |
allocated | 2023-01-20 | 47247d47afd5… |
| 204.123.0.0 – 204.123.255.255 | 65,536 | US |
allocated | 2023-01-20 | 20c786e8edd8… |
| 205.159.9.0 – 205.159.9.255 | 256 | US |
allocated | 2023-01-20 | 06d69be5bb8c… |
| 23.146.24.0 – 23.146.24.255 | 256 | US |
allocated | 2023-01-19 | e2c70f1f7ef7… |
| 23.146.40.0 – 23.146.40.255 | 256 | US |
allocated | 2023-01-19 | 3e019e5f7aea… |
| 23.146.56.0 – 23.146.56.255 | 256 | CA |
allocated | 2023-01-19 | 75cff9be63f4… |
| 23.146.72.0 – 23.146.72.255 | 256 | US |
allocated | 2023-01-19 | 5de177126a04… |
| 23.146.88.0 – 23.146.88.255 | 256 | US |
allocated | 2023-01-19 | ac3bc456200c… |
| 64.239.104.0 – 64.239.107.255 | 1,024 | US |
allocated | 2023-01-19 | b9619a55c76f… |
| 66.133.58.0 – 66.133.59.255 | 512 | US |
allocated | 2023-01-19 | 8933a1090f9e… |
| 149.106.32.0 – 149.106.63.255 | 8,192 | US |
allocated | 2023-01-19 | 061e2bc73429… |
| 162.120.96.0 – 162.120.127.255 | 8,192 | US |
allocated | 2023-01-19 | 928225309ccb… |
| 192.112.37.0 – 192.112.37.255 | 256 | US |
allocated | 2023-01-19 | 348417f92e3f… |
| 192.159.83.0 – 192.159.83.255 | 256 | US |
allocated | 2023-01-19 | ce4e8b96a945… |
| 192.207.238.0 – 192.207.238.255 | 256 | US |
allocated | 2023-01-19 | 1733f597f530… |
| 199.45.156.0 – 199.45.159.255 | 1,024 | US |
allocated | 2023-01-19 | 736c77e11100… |