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
1,644,924,416
📦
IPv4 networks
76,763
delegated blocks
🧭
IPv6 networks
11,451
delegated blocks
🔗
Autonomous systems
34,128
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 143.103.0.0 – 143.103.255.255 | 65,536 |  US |
allocated | 2023-02-17 | 59b4650cc927… |
| 204.62.199.0 – 204.62.199.255 | 256 | US |
allocated | 2023-02-17 | c2c851e25050… |
| 206.55.221.0 – 206.55.221.255 | 256 | US |
allocated | 2023-02-17 | 7a0a24bf3c13… |
| 216.24.108.0 – 216.24.108.255 | 256 | US |
allocated | 2023-02-17 | ae43a4dd7f0d… |
| 216.87.56.0 – 216.87.56.255 | 256 | US |
allocated | 2023-02-17 | 5620aa0e0f7c… |
| 204.144.142.0 – 204.144.143.255 | 512 | US |
allocated | 2023-02-16 | fed6504af76f… |
| 204.144.144.0 – 204.144.147.255 | 1,024 | US |
allocated | 2023-02-16 | fed6504af76f… |
| 23.148.24.0 – 23.148.24.255 | 256 |  MO |
allocated | 2023-02-15 | a9a89c2bda95… |
| 23.148.40.0 – 23.148.40.255 | 256 | US |
allocated | 2023-02-15 | a6ca6ce6bbfc… |
| 144.86.224.0 – 144.86.225.255 | 512 | US |
allocated | 2023-02-15 | a57df3255c97… |
| 162.210.213.0 – 162.210.213.255 | 256 | US |
allocated | 2023-02-15 | 61e78809dbe3… |
| 205.159.12.0 – 205.159.12.255 | 256 | US |
allocated | 2023-02-15 | 03d07d5a0e68… |
| 23.148.8.0 – 23.148.8.255 | 256 | US |
allocated | 2023-02-14 | 05200552c7ee… |
| 66.51.192.0 – 66.51.195.255 | 1,024 | US |
allocated | 2023-02-14 | 68f813cc543a… |
| 158.120.78.0 – 158.120.78.255 | 256 | US |
allocated | 2023-02-14 | d221bd986e7b… |
| 161.228.128.0 – 161.228.191.255 | 16,384 | US |
allocated | 2023-02-14 | 20c786e8edd8… |
| 206.168.16.0 – 206.168.31.255 | 4,096 | US |
allocated | 2023-02-14 | 0c70d0786185… |
| 209.73.80.0 – 209.73.95.255 | 4,096 | US |
allocated | 2023-02-14 | b6cf0cef5080… |
| 209.188.109.0 – 209.188.109.255 | 256 | US |
allocated | 2023-02-14 | bbceea10f7e5… |
| 209.195.224.0 – 209.195.231.255 | 2,048 | US |
allocated | 2023-02-14 | 6b6c0be5b9ba… |
| 23.147.216.0 – 23.147.216.255 | 256 | US |
allocated | 2023-02-13 | ba6120b8e6e8… |
| 23.147.232.0 – 23.147.232.255 | 256 | US |
allocated | 2023-02-13 | bc2d2a45993e… |
| 23.147.248.0 – 23.147.248.255 | 256 | US |
allocated | 2023-02-13 | 06be4b251ba6… |
| 40.203.0.0 – 40.203.255.255 | 65,536 | US |
allocated | 2023-02-13 | ace55d4dc090… |
| 40.217.0.0 – 40.217.255.255 | 65,536 | US |
allocated | 2023-02-13 | ace55d4dc090… |
| 40.219.0.0 – 40.219.255.255 | 65,536 | US |
allocated | 2023-02-13 | ace55d4dc090… |
| 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… |