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
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 131.143.48.0 – 131.143.51.255 | 1,024 |  US |
allocated | 2025-10-07 | ba71825123d3… |
| 131.143.52.0 – 131.143.52.255 | 256 | US |
allocated | 2025-10-07 | bb8f5d5e49e7… |
| 131.143.53.0 – 131.143.53.255 | 256 | US |
allocated | 2025-10-07 | dc121faed5fb… |
| 131.143.54.0 – 131.143.54.255 | 256 | US |
allocated | 2025-10-07 | 112d007927d4… |
| 131.143.55.0 – 131.143.55.255 | 256 | US |
allocated | 2025-10-07 | cf3adb0aa822… |
| 131.143.56.0 – 131.143.56.255 | 256 | US |
allocated | 2025-10-07 | abeece58e6c3… |
| 131.143.58.0 – 131.143.58.255 | 256 |  CA |
allocated | 2025-10-07 | 5a496794405f… |
| 131.143.59.0 – 131.143.59.255 | 256 | US |
allocated | 2025-10-07 | 6c59eae8e426… |
| 131.143.60.0 – 131.143.61.255 | 512 | US |
allocated | 2025-10-07 | 685ea8ac9562… |
| 131.143.62.0 – 131.143.62.255 | 256 | US |
allocated | 2025-10-07 | 6678e408d0b5… |
| 131.143.63.0 – 131.143.63.255 | 256 | US |
allocated | 2025-10-07 | 0382d2d00a24… |
| 131.143.64.0 – 131.143.67.255 | 1,024 | US |
allocated | 2025-10-07 | f2ded3d65c32… |
| 131.143.76.0 – 131.143.77.255 | 512 | US |
allocated | 2025-10-07 | 5ed4de04d750… |
| 131.143.78.0 – 131.143.78.255 | 256 | US |
allocated | 2025-10-07 | 7f25b615120d… |
| 131.143.79.0 – 131.143.79.255 | 256 | US |
allocated | 2025-10-07 | edfb17c52f00… |
| 131.143.80.0 – 131.143.80.255 | 256 | US |
allocated | 2025-10-07 | f34fd7491cc9… |
| 131.143.84.0 – 131.143.87.255 | 1,024 | US |
allocated | 2025-10-07 | d0733ca9c145… |
| 131.143.89.0 – 131.143.89.255 | 256 | CA |
allocated | 2025-10-07 | 76e9778a4478… |
| 131.143.90.0 – 131.143.90.255 | 256 | US |
allocated | 2025-10-07 | 891df45503f2… |
| 131.143.92.0 – 131.143.93.255 | 512 | US |
allocated | 2025-10-07 | 4751e76e719a… |
| 131.143.95.0 – 131.143.95.255 | 256 | US |
allocated | 2025-10-07 | 67cea4e06e73… |
| 131.143.96.0 – 131.143.99.255 | 1,024 | CA |
allocated | 2025-10-07 | bbbe1ae865fe… |
| 131.143.100.0 – 131.143.103.255 | 1,024 | US |
allocated | 2025-10-07 | 6464dc81e829… |
| 131.143.104.0 – 131.143.107.255 | 1,024 | US |
allocated | 2025-10-07 | 2ed801ff58f6… |
| 131.143.108.0 – 131.143.108.255 | 256 | US |
allocated | 2025-10-07 | 0c19a60d0b63… |
| 131.143.109.0 – 131.143.109.255 | 256 | US |
allocated | 2025-10-07 | 13c44891db6d… |
| 131.143.111.0 – 131.143.111.255 | 256 | CA |
allocated | 2025-10-07 | cb70f09b3ef1… |
| 131.143.112.0 – 131.143.115.255 | 1,024 | US |
allocated | 2025-10-07 | b4d3faa34b64… |
| 131.143.116.0 – 131.143.119.255 | 1,024 | US |
allocated | 2025-10-07 | a3b95e88238a… |
| 131.143.124.0 – 131.143.124.255 | 256 | US |
allocated | 2025-10-07 | a7d2ffc04127… |
| 131.143.125.0 – 131.143.125.255 | 256 | US |
allocated | 2025-10-07 | 943ecde5c510… |
| 131.143.126.0 – 131.143.126.255 | 256 | US |
allocated | 2025-10-07 | e40e5bdc411e… |
| 131.143.128.0 – 131.143.131.255 | 1,024 |  MY |
allocated | 2025-10-07 | dd6f8e4aef6b… |
| 131.143.132.0 – 131.143.135.255 | 1,024 | US |
allocated | 2025-10-07 | 115b8030c073… |
| 131.143.136.0 – 131.143.139.255 | 1,024 | US |
allocated | 2025-10-07 | 8c3cf46ca014… |
| 131.143.140.0 – 131.143.143.255 | 1,024 |  TH |
allocated | 2025-10-07 | 1fd28013a1e3… |
| 131.143.144.0 – 131.143.147.255 | 1,024 | TH |
allocated | 2025-10-07 | a7b0477455ff… |
| 131.143.152.0 – 131.143.155.255 | 1,024 | US |
allocated | 2025-10-07 | 3079affe9362… |
| 131.143.156.0 – 131.143.159.255 | 1,024 | US |
allocated | 2025-10-07 | 9c15e39d0be6… |
| 131.143.160.0 – 131.143.163.255 | 1,024 |  SG |
allocated | 2025-10-07 | bf98cf385c65… |
| 131.143.164.0 – 131.143.167.255 | 1,024 | US |
allocated | 2025-10-07 | 39e6d34e8feb… |
| 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… |