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
1,645,628,928
📦
IPv4 networks
76,700
delegated blocks
🧭
IPv6 networks
11,350
delegated blocks
🔗
Autonomous systems
34,051
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 23.132.16.0 – 23.132.16.255 | 256 |  US |
allocated | 2019-04-19 | d1b957089ad4… |
| 72.21.24.0 – 72.21.31.255 | 2,048 | US |
allocated | 2019-04-19 | cc09c4995dc9… |
| 76.164.208.0 – 76.164.215.255 | 2,048 | US |
allocated | 2019-04-19 | 972348f76ee2… |
| 137.83.96.0 – 137.83.99.255 | 1,024 | US |
allocated | 2019-04-19 | 906075743ca1… |
| 168.91.128.0 – 168.91.255.255 | 32,768 | US |
allocated | 2019-04-19 | d497a9a99490… |
| 172.84.176.0 – 172.84.191.255 | 4,096 | US |
allocated | 2019-04-19 | d0f864e51451… |
| 173.214.207.0 – 173.214.207.255 | 256 | US |
allocated | 2019-04-19 | 125e9cc4dd74… |
| 23.131.208.0 – 23.131.208.255 | 256 |  KN |
allocated | 2019-04-18 | 15cfbd823007… |
| 69.59.18.0 – 69.59.19.255 | 512 | US |
allocated | 2019-04-18 | aa235b61b884… |
| 141.193.229.0 – 141.193.229.255 | 256 | US |
allocated | 2019-04-18 | 183077fd759c… |
| 174.34.245.0 – 174.34.245.255 | 256 | US |
allocated | 2019-04-18 | b104d9ff0a37… |
| 174.34.255.0 – 174.34.255.255 | 256 | US |
allocated | 2019-04-18 | b104d9ff0a37… |
| 207.135.208.0 – 207.135.215.255 | 2,048 | US |
allocated | 2019-04-18 | 11a68d390416… |
| 216.225.64.0 – 216.225.127.255 | 16,384 | US |
allocated | 2019-04-18 | 8e9e94910911… |
| 72.46.32.0 – 72.46.47.255 | 4,096 | US |
allocated | 2019-04-17 | 68e9fac23de5… |
| 23.131.144.0 – 23.131.144.255 | 256 | US |
allocated | 2019-04-16 | e7788d5bfff2… |
| 23.131.176.0 – 23.131.176.255 | 256 | US |
allocated | 2019-04-16 | 0b4ff49e8b37… |
| 23.137.225.0 – 23.137.225.255 | 256 | US |
allocated | 2019-04-16 | fc853be935a3… |
| 23.142.33.0 – 23.142.33.255 | 256 | US |
allocated | 2019-04-16 | b8750ec87233… |
| 161.199.184.0 – 161.199.187.255 | 1,024 | US |
allocated | 2019-04-16 | b0dfca43049f… |
| 162.249.196.0 – 162.249.199.255 | 1,024 | US |
allocated | 2019-04-16 | 172f3c7b76eb… |
| 205.207.142.0 – 205.207.142.255 | 256 |  CA |
allocated | 2019-04-16 | 89bb25acfe68… |
| 207.135.220.0 – 207.135.221.255 | 512 | US |
allocated | 2019-04-16 | 11efc6a3f505… |
| 35.71.64.0 – 35.71.127.255 | 16,384 | US |
allocated | 2019-04-15 | 4a8a91b5b89d… |
| 35.71.128.0 – 35.71.255.255 | 32,768 | US |
allocated | 2019-04-15 | 4a8a91b5b89d… |
| 35.72.0.0 – 35.79.255.255 | 524,288 | US |
allocated | 2019-04-15 | 4a8a91b5b89d… |
| 35.80.0.0 – 35.95.255.255 | 1,048,576 | US |
allocated | 2019-04-15 | 4a8a91b5b89d… |
| 35.96.0.0 – 35.111.255.255 | 1,048,576 | US |
allocated | 2019-04-15 | 8ecb82ea6790… |
| 35.112.0.0 – 35.127.255.255 | 1,048,576 | US |
allocated | 2019-04-15 | 4a8a91b5b89d… |
| 66.111.60.0 – 66.111.60.255 | 256 | US |
allocated | 2019-04-15 | b041922157bd… |
| 137.83.19.0 – 137.83.19.255 | 256 | US |
allocated | 2019-04-15 | deb6cf69c4c1… |
| 138.43.210.0 – 138.43.211.255 | 512 | US |
allocated | 2019-04-15 | 79a86479e7c1… |
| 138.43.212.0 – 138.43.215.255 | 1,024 | US |
allocated | 2019-04-15 | 79a86479e7c1… |
| 138.43.216.0 – 138.43.223.255 | 2,048 | US |
allocated | 2019-04-15 | 79a86479e7c1… |
| 138.43.224.0 – 138.43.239.255 | 4,096 | US |
allocated | 2019-04-15 | eb42dbbde040… |
| 148.78.112.0 – 148.78.127.255 | 4,096 | US |
allocated | 2019-04-15 | d8357b96abbf… |
| 168.213.254.0 – 168.213.254.255 | 256 | US |
allocated | 2019-04-15 | 60a1e6cdb405… |
| 185.77.6.0 – 185.77.7.255 | 512 | US |
allocated | 2019-04-15 | dac7cd66b4ff… |
| 208.64.92.0 – 208.64.95.255 | 1,024 | US |
allocated | 2019-04-15 | f40658da2091… |
| 209.16.138.0 – 209.16.138.255 | 256 | US |
allocated | 2019-04-15 | 1995841f3d43… |
| 130.44.212.0 – 130.44.215.255 | 1,024 | US |
allocated | 2019-04-12 | 611f875d484f… |
| 148.59.63.0 – 148.59.63.255 | 256 | US |
allocated | 2019-04-12 | c69d336501b4… |
| 192.43.160.0 – 192.43.160.255 | 256 | US |
allocated | 2019-04-12 | 6d30fdee5b18… |
| 72.21.21.0 – 72.21.21.255 | 256 | US |
allocated | 2019-04-11 | c90b159ed537… |
| 172.84.160.0 – 172.84.175.255 | 4,096 | CA |
allocated | 2019-04-11 | aa1284f96cc4… |
| 23.131.80.0 – 23.131.80.255 | 256 | US |
allocated | 2019-04-10 | dbf6d74735ed… |
| 23.131.112.0 – 23.131.112.255 | 256 | CA |
allocated | 2019-04-10 | 186e9525c95f… |
| 148.170.224.0 – 148.170.239.255 | 4,096 | US |
allocated | 2019-04-10 | c615520bf540… |
| 204.10.191.0 – 204.10.191.255 | 256 | US |
allocated | 2019-04-10 | 4828c030f463… |
| 104.37.172.0 – 104.37.175.255 | 1,024 | US |
allocated | 2019-04-09 | 6c574e5e98d4… |
| 104.153.232.0 – 104.153.239.255 | 2,048 | US |
allocated | 2019-04-09 | b4bc29b769c1… |
| 130.44.211.0 – 130.44.211.255 | 256 | US |
allocated | 2019-04-09 | 548d0c9a42e2… |
| 130.44.216.0 – 130.44.223.255 | 2,048 | US |
allocated | 2019-04-09 | 86fcb9b64722… |
| 148.59.58.0 – 148.59.59.255 | 512 | US |
allocated | 2019-04-09 | 2a0e98a43ffd… |
| 192.43.156.0 – 192.43.159.255 | 1,024 | US |
allocated | 2019-04-09 | 3a553e297800… |
| 204.187.138.0 – 204.187.138.255 | 256 | US |
allocated | 2019-04-09 | bfd750842701… |
| 207.189.166.0 – 207.189.167.255 | 512 | US |
allocated | 2019-04-09 | 67f6578ec4e9… |
| 216.184.40.0 – 216.184.47.255 | 2,048 | US |
allocated | 2019-04-09 | 3fae3ff66fbc… |
| 23.131.16.0 – 23.131.16.255 | 256 | CA |
allocated | 2019-04-08 | 0978fb4963fc… |
| 23.131.48.0 – 23.131.48.255 | 256 | US |
allocated | 2019-04-08 | 01b2d1819a95… |
| 107.191.69.0 – 107.191.69.255 | 256 | US |
allocated | 2019-04-08 | 5c1d63f17c4c… |
| 136.244.64.0 – 136.244.127.255 | 16,384 | US |
allocated | 2019-04-08 | e458cda96686… |
| 148.59.62.0 – 148.59.62.255 | 256 | US |
allocated | 2019-04-08 | 830258cc02c4… |
| 185.132.48.0 – 185.132.51.255 | 1,024 | US |
allocated | 2019-04-08 | f4b7fe3d0f13… |
| 192.154.44.0 – 192.154.44.255 | 256 | US |
allocated | 2019-04-08 | 4dd73aa18db6… |
| 198.212.128.0 – 198.212.129.255 | 512 | US |
allocated | 2019-04-08 | 2760db1ec09c… |
| 199.190.235.0 – 199.190.235.255 | 256 | US |
allocated | 2019-04-08 | 4dd73aa18db6… |
| 199.190.236.0 – 199.190.236.255 | 256 | US |
allocated | 2019-04-08 | 4dd73aa18db6… |
| 209.16.136.0 – 209.16.136.255 | 256 | US |
allocated | 2019-04-05 | 652e31c10bc4… |
| 16.12.0.0 – 16.12.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.61.0.0 – 16.61.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.62.0.0 – 16.63.255.255 | 131,072 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.64.0.0 – 16.64.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.135.0.0 – 16.135.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.136.0.0 – 16.137.255.255 | 131,072 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.138.0.0 – 16.138.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.162.0.0 – 16.163.255.255 | 131,072 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.164.0.0 – 16.165.255.255 | 131,072 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.166.0.0 – 16.166.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.204.0.0 – 16.204.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.206.0.0 – 16.206.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 16.219.0.0 – 16.219.255.255 | 65,536 | US |
allocated | 2019-04-04 | 20c786e8edd8… |
| 23.130.176.0 – 23.130.176.255 | 256 | US |
allocated | 2019-04-04 | f712cca2c69a… |
| 23.130.208.0 – 23.130.208.255 | 256 | US |
allocated | 2019-04-04 | e27e06607e15… |
| 192.111.4.0 – 192.111.7.255 | 1,024 | US |
allocated | 2019-04-04 | fead726e984d… |
| 207.135.216.0 – 207.135.217.255 | 512 | US |
allocated | 2019-04-04 | 0fa9d2c55562… |
| 23.130.144.0 – 23.130.144.255 | 256 |  PR |
allocated | 2019-04-03 | 0676f77dd85f… |
| 23.130.80.0 – 23.130.80.255 | 256 | US |
allocated | 2019-04-02 | f6910b261b1e… |
| 207.189.183.0 – 207.189.183.255 | 256 | US |
allocated | 2019-04-02 | c86bccdb7761… |
| 208.81.96.0 – 208.81.99.255 | 1,024 | US |
allocated | 2019-04-02 | 7b2b15e04471… |
| 23.129.240.0 – 23.129.240.255 | 256 | US |
allocated | 2019-04-01 | 2e50fb5e08e3… |
| 23.130.16.0 – 23.130.16.255 | 256 | US |
allocated | 2019-04-01 | b929ebd2cad5… |
| 23.130.48.0 – 23.130.48.255 | 256 | US |
allocated | 2019-04-01 | b37650db0c56… |
| 130.44.209.0 – 130.44.209.255 | 256 | CA |
allocated | 2019-04-01 | 42b49373a658… |
| 138.43.248.0 – 138.43.251.255 | 1,024 |  KY |
allocated | 2019-04-01 | 7aa6cc5e166c… |
| 209.16.137.0 – 209.16.137.255 | 256 | US |
allocated | 2019-04-01 | 3d75218f39d4… |
| 137.83.74.0 – 137.83.75.255 | 512 | US |
allocated | 2019-03-29 | 70781427fadc… |
| 140.145.0.0 – 140.145.255.255 | 65,536 | US |
allocated | 2019-03-29 | 4a8a91b5b89d… |
| 207.135.222.0 – 207.135.223.255 | 512 | US |
allocated | 2019-03-29 | 981161d82d5b… |
| 23.129.80.0 – 23.129.80.255 | 256 | US |
allocated | 2019-03-28 | 033ec8b486d2… |