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 |
|---|---|---|---|---|---|
| 131.143.168.0 – 131.143.171.255 | 1,024 |  TH |
allocated | 2025-10-07 | 8e36dc403943… |
| 131.143.173.0 – 131.143.173.255 | 256 |  US |
allocated | 2025-10-07 | b2726f5e95f1… |
| 131.143.175.0 – 131.143.175.255 | 256 | US |
allocated | 2025-10-07 | ed954c89454b… |
| 131.143.176.0 – 131.143.179.255 | 1,024 | US |
allocated | 2025-10-07 | ec929ad2f1e1… |
| 131.143.180.0 – 131.143.183.255 | 1,024 | US |
allocated | 2025-10-07 | dca4fa6f9780… |
| 131.143.184.0 – 131.143.187.255 | 1,024 | US |
allocated | 2025-10-07 | 422ac0e0c439… |
| 131.143.188.0 – 131.143.188.255 | 256 | US |
allocated | 2025-10-07 | 19b751da71d9… |
| 131.143.189.0 – 131.143.189.255 | 256 |  CA |
allocated | 2025-10-07 | 1ab0a3adb078… |
| 131.143.190.0 – 131.143.190.255 | 256 |  SG |
allocated | 2025-10-07 | 436c3a4010d6… |
| 131.143.192.0 – 131.143.195.255 | 1,024 | US |
allocated | 2025-10-07 | c2cdc3de9680… |
| 131.143.196.0 – 131.143.199.255 | 1,024 | US |
allocated | 2025-10-07 | 58933cc414a3… |
| 131.143.200.0 – 131.143.203.255 | 1,024 | US |
allocated | 2025-10-07 | b067fa324fc0… |
| 131.143.204.0 – 131.143.207.255 | 1,024 | US |
allocated | 2025-10-07 | 11ebec70f8de… |
| 131.143.223.0 – 131.143.223.255 | 256 | US |
allocated | 2025-10-07 | dc9ee4b4a272… |
| 131.143.235.0 – 131.143.235.255 | 256 | US |
allocated | 2025-10-07 | 1d77136467bf… |
| 207.174.131.0 – 207.174.131.255 | 256 | US |
allocated | 2025-10-07 | 4b6430e07bd3… |
| 216.235.221.0 – 216.235.221.255 | 256 | US |
allocated | 2025-10-07 | e5bf299d7346… |
| 216.235.222.0 – 216.235.222.255 | 256 | US |
allocated | 2025-10-07 | 4d2367c363e2… |
| 23.146.212.0 – 23.146.212.255 | 256 | US |
allocated | 2025-10-06 | 19af3a28eb0f… |
| 23.146.220.0 – 23.146.220.255 | 256 | US |
allocated | 2025-10-06 | 3cf11eeb37b5… |
| 23.146.228.0 – 23.146.228.255 | 256 | US |
allocated | 2025-10-06 | 9ca42f86e99c… |
| 23.146.236.0 – 23.146.236.255 | 256 | US |
allocated | 2025-10-06 | 9d46d24465bb… |
| 63.254.160.0 – 63.254.191.255 | 8,192 | US |
allocated | 2025-10-06 | ac333ab6c829… |
| 64.28.160.0 – 64.28.163.255 | 1,024 | US |
allocated | 2025-10-06 | 9be3b1248783… |
| 64.28.164.0 – 64.28.167.255 | 1,024 | US |
allocated | 2025-10-06 | d702d7db7328… |
| 64.28.168.0 – 64.28.171.255 | 1,024 | US |
allocated | 2025-10-06 | 2affb7792865… |
| 64.186.3.0 – 64.186.3.255 | 256 | US |
allocated | 2025-10-06 | 3fc2e62fdcf9… |
| 66.187.240.0 – 66.187.243.255 | 1,024 | US |
allocated | 2025-10-06 | 7087cfcafc81… |
| 66.187.244.0 – 66.187.247.255 | 1,024 | US |
allocated | 2025-10-06 | 802c506430b1… |
| 66.187.252.0 – 66.187.255.255 | 1,024 | US |
allocated | 2025-10-06 | bbc822749c17… |
| 66.235.100.0 – 66.235.103.255 | 1,024 | CA |
allocated | 2025-10-06 | 186e9525c95f… |
| 66.235.104.0 – 66.235.107.255 | 1,024 | US |
allocated | 2025-10-06 | e8f9dd720157… |
| 66.235.108.0 – 66.235.111.255 | 1,024 | US |
allocated | 2025-10-06 | 1d1b86db0c4c… |
| 67.210.0.0 – 67.210.3.255 | 1,024 | US |
allocated | 2025-10-06 | 201bef828f51… |
| 67.210.4.0 – 67.210.7.255 | 1,024 | US |
allocated | 2025-10-06 | 94ad8f81ec99… |
| 67.210.12.0 – 67.210.15.255 | 1,024 | US |
allocated | 2025-10-06 | 6fefc9bf882c… |
| 68.232.96.0 – 68.232.99.255 | 1,024 | US |
allocated | 2025-10-06 | 8055766d3a3e… |
| 68.232.100.0 – 68.232.103.255 | 1,024 | US |
allocated | 2025-10-06 | 18c8750e88f3… |
| 68.232.108.0 – 68.232.111.255 | 1,024 | CA |
allocated | 2025-10-06 | 96f545033099… |
| 69.9.176.0 – 69.9.191.255 | 4,096 | US |
allocated | 2025-10-06 | 91ef47aaa970… |
| 70.8.0.0 – 70.8.255.255 | 65,536 | US |
allocated | 2025-10-06 | 013c0ebdd6ce… |
| 96.45.56.0 – 96.45.59.255 | 1,024 | US |
allocated | 2025-10-06 | ad22733cc4b9… |
| 96.45.60.0 – 96.45.63.255 | 1,024 | US |
allocated | 2025-10-06 | 14451d701346… |
| 130.51.34.0 – 130.51.35.255 | 512 | US |
allocated | 2025-10-06 | 55da3ed12c32… |
| 131.143.212.0 – 131.143.215.255 | 1,024 |  JP |
allocated | 2025-10-06 | 9bd85bfc0208… |
| 131.143.220.0 – 131.143.221.255 | 512 |  AQ |
allocated | 2025-10-06 | b2a418060726… |
| 131.143.224.0 – 131.143.227.255 | 1,024 | US |
allocated | 2025-10-06 | 056ac65a5a68… |
| 131.143.228.0 – 131.143.231.255 | 1,024 | US |
allocated | 2025-10-06 | 2b56f5bdb82f… |
| 131.143.232.0 – 131.143.233.255 | 512 | US |
allocated | 2025-10-06 | 951b5b374536… |
| 131.143.234.0 – 131.143.234.255 | 256 | US |
allocated | 2025-10-06 | 91dd0cf8cd3b… |
| 131.143.236.0 – 131.143.237.255 | 512 | US |
allocated | 2025-10-06 | 73b9d23b8c2e… |
| 131.143.238.0 – 131.143.238.255 | 256 | US |
allocated | 2025-10-06 | ca2b7c643ca4… |
| 131.143.239.0 – 131.143.239.255 | 256 | US |
allocated | 2025-10-06 | c4f21d33feb4… |
| 131.143.240.0 – 131.143.243.255 | 1,024 | US |
allocated | 2025-10-06 | 4f005b10a2a7… |
| 131.143.244.0 – 131.143.247.255 | 1,024 | US |
allocated | 2025-10-06 | 8d839d03c12c… |
| 131.143.248.0 – 131.143.249.255 | 512 | US |
allocated | 2025-10-06 | e1bb8776325f… |
| 131.143.250.0 – 131.143.250.255 | 256 | US |
allocated | 2025-10-06 | 78ff93ae6d20… |
| 131.143.251.0 – 131.143.251.255 | 256 | US |
allocated | 2025-10-06 | 0374f6af5dd8… |
| 131.143.252.0 – 131.143.253.255 | 512 | US |
allocated | 2025-10-06 | a44da833303a… |
| 131.143.254.0 – 131.143.254.255 | 256 | US |
allocated | 2025-10-06 | 06ccc82911e4… |
| 131.143.255.0 – 131.143.255.255 | 256 | US |
allocated | 2025-10-06 | 9cfa5cf69686… |
| 136.175.212.0 – 136.175.212.255 | 256 | CA |
allocated | 2025-10-06 | d70c795ad0ae… |
| 138.28.128.0 – 138.28.191.255 | 16,384 | US |
allocated | 2025-10-06 | 218a9c4b515b… |
| 162.142.77.0 – 162.142.77.255 | 256 | US |
allocated | 2025-10-06 | 1013bca94153… |
| 162.251.204.0 – 162.251.204.255 | 256 | US |
allocated | 2025-10-06 | 9ada4b41f9d4… |
| 168.151.20.0 – 168.151.20.255 | 256 | US |
allocated | 2025-10-06 | 31b15fcd1993… |
| 168.151.22.0 – 168.151.22.255 | 256 | US |
allocated | 2025-10-06 | 36f5c38718c7… |
| 168.151.27.0 – 168.151.27.255 | 256 | US |
allocated | 2025-10-06 | 340a1aa00bb0… |
| 168.151.55.0 – 168.151.55.255 | 256 | US |
allocated | 2025-10-06 | 8306634f7620… |
| 168.151.70.0 – 168.151.71.255 | 512 | US |
allocated | 2025-10-06 | f09a3d1c63a3… |
| 168.151.156.0 – 168.151.156.255 | 256 | US |
allocated | 2025-10-06 | ddf92342f535… |
| 168.151.230.0 – 168.151.231.255 | 512 | US |
allocated | 2025-10-06 | f13610451927… |
| 168.151.255.0 – 168.151.255.255 | 256 | CA |
allocated | 2025-10-06 | 33ee707b7441… |
| 168.245.177.0 – 168.245.177.255 | 256 | US |
allocated | 2025-10-06 | a720b6adc1d7… |
| 192.0.1.0 – 192.0.1.255 | 256 | US |
allocated | 2025-10-06 | d5eba27ec8c0… |
| 192.12.250.0 – 192.12.250.255 | 256 | US |
allocated | 2025-10-06 | 14e18b334e4f… |
| 192.31.47.0 – 192.31.47.255 | 256 | US |
allocated | 2025-10-06 | e179399c77a2… |
| 192.77.0.0 – 192.77.0.255 | 256 |  FR |
allocated | 2025-10-06 | 65d33fbe60bb… |
| 192.96.135.0 – 192.96.135.255 | 256 | US |
allocated | 2025-10-06 | c526ba0ef80a… |
| 192.96.143.0 – 192.96.143.255 | 256 | US |
allocated | 2025-10-06 | 1edc490d381a… |
| 192.96.145.0 – 192.96.145.255 | 256 | CA |
allocated | 2025-10-06 | bf61c5b43708… |
| 192.131.233.0 – 192.131.233.255 | 256 | US |
allocated | 2025-10-06 | 84f57f9baa9e… |
| 192.147.148.0 – 192.147.148.255 | 256 | US |
allocated | 2025-10-06 | 2b0e9951f378… |
| 192.154.80.0 – 192.154.80.255 | 256 | US |
allocated | 2025-10-06 | 807dfbac4d39… |
| 192.189.78.0 – 192.189.78.255 | 256 | CA |
allocated | 2025-10-06 | 8fb3ee7468da… |
| 192.251.106.0 – 192.251.106.255 | 256 | US |
allocated | 2025-10-06 | c02db9d517da… |
| 199.79.241.0 – 199.79.241.255 | 256 | US |
allocated | 2025-10-06 | 5a3e9e7a80ad… |
| 199.88.241.0 – 199.88.241.255 | 256 | US |
allocated | 2025-10-06 | cf622ff4a6ba… |
| 199.88.242.0 – 199.88.242.255 | 256 | US |
allocated | 2025-10-06 | 026069a5fb78… |
| 199.168.192.0 – 199.168.195.255 | 1,024 | US |
allocated | 2025-10-06 | 6465259bf846… |
| 199.241.32.0 – 199.241.33.255 | 512 | US |
allocated | 2025-10-06 | e80415d83cc1… |
| 199.241.60.0 – 199.241.61.255 | 512 | US |
allocated | 2025-10-06 | b446d73880cb… |
| 199.244.80.0 – 199.244.83.255 | 1,024 | US |
allocated | 2025-10-06 | a7440688a1b5… |
| 199.245.200.0 – 199.245.200.255 | 256 | US |
allocated | 2025-10-06 | 1fbe76882c36… |
| 199.248.220.0 – 199.248.220.255 | 256 | US |
allocated | 2025-10-06 | 350346bcf6fd… |
| 206.251.48.0 – 206.251.51.255 | 1,024 | US |
allocated | 2025-10-06 | 654acf00b95f… |
| 206.251.52.0 – 206.251.55.255 | 1,024 | US |
allocated | 2025-10-06 | e052cfbe1698… |
| 206.251.56.0 – 206.251.59.255 | 1,024 | US |
allocated | 2025-10-06 | 5536c6281cb3… |
| 206.251.60.0 – 206.251.63.255 | 1,024 | US |
allocated | 2025-10-06 | 73911882438e… |
| 207.89.50.0 – 207.89.50.255 | 256 | CA |
allocated | 2025-10-06 | 10ba820d9209… |