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 |
|---|---|---|---|---|---|
| 9.216.0.0 – 9.219.255.255 | 262,144 |  US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.221.0.0 – 9.221.255.255 | 65,536 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.222.0.0 – 9.222.255.255 | 65,536 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.224.0.0 – 9.227.255.255 | 262,144 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.230.0.0 – 9.230.255.255 | 65,536 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.238.0.0 – 9.239.255.255 | 131,072 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.242.0.0 – 9.243.255.255 | 131,072 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.247.0.0 – 9.247.255.255 | 65,536 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 9.252.0.0 – 9.255.255.255 | 262,144 | US |
allocated | 1988-12-16 | 01ded2cfbf92… |
| 131.171.0.0 – 131.171.255.255 | 65,536 | US |
allocated | 1988-12-16 | 37f218ac24f3… |
| 192.43.225.0 – 192.43.225.255 | 256 | US |
allocated | 1988-12-16 | 6af3dbdad10c… |
| 131.167.0.0 – 131.167.255.255 | 65,536 | US |
allocated | 1988-12-13 | dbb472cf040f… |
| 192.43.218.0 – 192.43.218.255 | 256 | US |
allocated | 1988-12-13 | 19a9ef96cd49… |
| 192.43.219.0 – 192.43.219.255 | 256 |  CA |
allocated | 1988-12-13 | 898256ead47a… |
| 192.43.220.0 – 192.43.220.255 | 256 | US |
allocated | 1988-12-13 | eee4911c1d68… |
| 192.43.222.0 – 192.43.222.255 | 256 | US |
allocated | 1988-12-13 | 94e8f38e308c… |
| 192.45.0.0 – 192.45.255.255 | 65,536 | US |
allocated | 1988-12-13 | a173e43ca8ce… |
| 131.162.0.0 – 131.162.63.255 | 16,384 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.64.0 – 131.162.79.255 | 4,096 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.80.0 – 131.162.87.255 | 2,048 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.112.0 – 131.162.127.255 | 4,096 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.128.0 – 131.162.191.255 | 16,384 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.192.0 – 131.162.207.255 | 4,096 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.208.0 – 131.162.215.255 | 2,048 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.224.0 – 131.162.231.255 | 2,048 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 131.162.240.0 – 131.162.255.255 | 4,096 | CA |
allocated | 1988-12-09 | 8096c9b56866… |
| 192.43.217.0 – 192.43.217.255 | 256 | US |
allocated | 1988-12-09 | 214dd09db2ca… |
| 131.157.0.0 – 131.157.255.255 | 65,536 | US |
allocated | 1988-12-06 | 1fe103be73eb… |
| 131.158.0.0 – 131.158.255.255 | 65,536 | US |
allocated | 1988-12-06 | 45fe880b68a8… |
| 192.43.211.0 – 192.43.211.255 | 256 | US |
allocated | 1988-12-06 | 35f1dddb22d3… |
| 192.43.213.0 – 192.43.213.255 | 256 | US |
allocated | 1988-12-06 | 39f75bb359c4… |
| 192.43.214.0 – 192.43.214.255 | 256 | US |
allocated | 1988-12-06 | 34998549aba0… |
| 192.43.216.0 – 192.43.216.255 | 256 | US |
allocated | 1988-12-06 | 2c8438ff5e93… |
| 131.156.0.0 – 131.156.255.255 | 65,536 | US |
allocated | 1988-12-05 | 2f58b8b9da5c… |
| 132.178.0.0 – 132.178.255.255 | 65,536 | US |
allocated | 1988-12-05 | 0fabd6cfff9e… |
| 192.43.203.0 – 192.43.203.255 | 256 | US |
allocated | 1988-12-05 | c8ea570e1e86… |
| 192.43.204.0 – 192.43.204.255 | 256 | US |
allocated | 1988-12-05 | c8ea570e1e86… |
| 192.43.205.0 – 192.43.205.255 | 256 | US |
allocated | 1988-12-05 | f4444d94cd59… |
| 192.43.200.0 – 192.43.200.255 | 256 | US |
allocated | 1988-12-02 | d2d7bffc12fb… |
| 192.43.199.0 – 192.43.199.255 | 256 | US |
allocated | 1988-11-29 | 92897e21fd5d… |
| 192.43.191.0 – 192.43.191.255 | 256 | US |
allocated | 1988-11-28 | 5f28bf778de8… |
| 192.43.197.0 – 192.43.197.255 | 256 | US |
allocated | 1988-11-28 | 45fe880b68a8… |
| 131.150.7.0 – 131.150.7.255 | 256 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.11.0 – 131.150.11.255 | 256 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.12.0 – 131.150.15.255 | 1,024 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.31.0 – 131.150.31.255 | 256 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.55.0 – 131.150.55.255 | 256 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.62.0 – 131.150.62.255 | 256 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.80.0 – 131.150.83.255 | 1,024 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.130.0 – 131.150.131.255 | 512 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.150.190.0 – 131.150.190.255 | 256 | US |
allocated | 1988-11-23 | 3a958a082b0e… |
| 131.151.0.0 – 131.151.255.255 | 65,536 | US |
allocated | 1988-11-23 | e0fe2ec75f7e… |
| 131.146.0.0 – 131.146.255.255 | 65,536 | US |
allocated | 1988-11-22 | e220ed812a4c… |
| 131.134.0.0 – 131.135.255.255 | 131,072 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 131.136.0.0 – 131.139.255.255 | 262,144 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 131.140.0.0 – 131.141.255.255 | 131,072 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 131.142.0.0 – 131.142.255.255 | 65,536 | US |
allocated | 1988-11-21 | 6e0e238e53fe… |
| 131.144.0.0 – 131.144.255.255 | 65,536 | US |
allocated | 1988-11-21 | 3eb77308119a… |
| 192.16.209.0 – 192.16.209.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.210.0 – 192.16.210.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.211.0 – 192.16.211.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.212.0 – 192.16.212.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.213.0 – 192.16.213.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.214.0 – 192.16.214.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.215.0 – 192.16.215.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.216.0 – 192.16.216.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.217.0 – 192.16.217.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.16.218.0 – 192.16.218.255 | 256 | CA |
allocated | 1988-11-21 | c8bae1572cdf… |
| 192.43.188.0 – 192.43.188.255 | 256 | US |
allocated | 1988-11-21 | d36aed7aeb09… |
| 131.126.0.0 – 131.126.255.255 | 65,536 | US |
allocated | 1988-11-18 | 58bab9bfa223… |
| 131.128.0.0 – 131.128.255.255 | 65,536 | US |
allocated | 1988-11-18 | d779bdc1fa6a… |
| 131.121.0.0 – 131.121.255.255 | 65,536 | US |
allocated | 1988-11-17 | 45fe880b68a8… |
| 131.122.0.0 – 131.122.255.255 | 65,536 | US |
allocated | 1988-11-17 | 45fe880b68a8… |
| 131.123.64.0 – 131.123.127.255 | 16,384 | US |
allocated | 1988-11-17 | 479496450943… |
| 131.123.128.0 – 131.123.255.255 | 32,768 | US |
allocated | 1988-11-17 | 479496450943… |
| 131.124.0.0 – 131.124.255.255 | 65,536 | US |
allocated | 1988-11-17 | f21130892698… |
| 131.125.0.0 – 131.125.63.255 | 16,384 | US |
allocated | 1988-11-17 | e500baec9cb3… |
| 131.120.0.0 – 131.120.255.255 | 65,536 | US |
allocated | 1988-11-16 | 45fe880b68a8… |
| 129.34.0.0 – 129.34.255.255 | 65,536 | US |
allocated | 1988-11-15 | 01ded2cfbf92… |
| 131.118.0.0 – 131.118.255.255 | 65,536 | US |
allocated | 1988-11-15 | 12542c3c100e… |
| 192.43.152.0 – 192.43.152.255 | 256 | US |
allocated | 1988-11-14 | 45fe880b68a8… |
| 131.107.0.0 – 131.107.255.255 | 65,536 | US |
allocated | 1988-11-11 | b004b3ecde24… |
| 131.109.0.0 – 131.109.255.255 | 65,536 | US |
allocated | 1988-11-11 | 9ec07a3fc481… |
| 131.110.0.0 – 131.110.255.255 | 65,536 | US |
allocated | 1988-11-11 | 2d90cbf4f78e… |
| 131.214.0.0 – 131.214.255.255 | 65,536 | US |
allocated | 1988-11-11 | 45fe880b68a8… |
| 192.41.247.0 – 192.41.247.255 | 256 | US |
allocated | 1988-11-11 | 4a34b9f7ce6e… |
| 192.42.252.0 – 192.42.252.255 | 256 | US |
allocated | 1988-11-08 | 7afdde64db5f… |
| 131.105.0.0 – 131.105.255.255 | 65,536 | US |
allocated | 1988-11-07 | 45fe880b68a8… |
| 131.103.0.0 – 131.103.255.255 | 65,536 | US |
allocated | 1988-11-04 | 9f14454567a6… |
| 131.104.0.0 – 131.104.255.255 | 65,536 | CA |
allocated | 1988-11-04 | 6449ef6e4e27… |
| 192.42.249.0 – 192.42.249.255 | 256 | US |
allocated | 1988-11-04 | c1e8d3f619ee… |
| 192.42.250.0 – 192.42.250.255 | 256 | US |
allocated | 1988-11-04 | cc48dab68fd0… |
| 131.101.0.0 – 131.101.255.255 | 65,536 | US |
allocated | 1988-11-03 | f86d03610ffd… |
| 131.98.0.0 – 131.98.255.255 | 65,536 | US |
allocated | 1988-11-02 | ffd67fadfdd4… |
| 192.42.239.0 – 192.42.239.255 | 256 | US |
allocated | 1988-11-02 | 90c6598a4dd3… |
| 192.42.244.0 – 192.42.244.255 | 256 | US |
allocated | 1988-11-02 | 39e71433f415… |
| 192.42.245.0 – 192.42.245.255 | 256 | US |
allocated | 1988-11-02 | 45fe880b68a8… |
| 192.42.247.0 – 192.42.247.255 | 256 | US |
allocated | 1988-11-02 | 45fe880b68a8… |
| 131.92.0.0 – 131.92.255.255 | 65,536 | US |
allocated | 1988-11-01 | 45fe880b68a8… |
| 131.94.0.0 – 131.94.255.255 | 65,536 | US |
allocated | 1988-11-01 | 3c271c82260a… |