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 |
|---|---|---|---|---|---|
| 192.35.251.0 – 192.35.251.255 | 256 |  US |
allocated | 1990-05-21 | 805a0ef2bcd4… |
| 192.35.253.0 – 192.35.253.255 | 256 | US |
allocated | 1990-05-21 | 7649487cc164… |
| 192.35.254.0 – 192.35.254.255 | 256 | US |
allocated | 1990-05-21 | 2afc9f3e13ce… |
| 192.80.57.0 – 192.80.57.255 | 256 | US |
allocated | 1990-05-21 | f327aa4c82bc… |
| 192.80.61.0 – 192.80.61.255 | 256 | US |
allocated | 1990-05-21 | 1f3040e07be8… |
| 192.80.78.0 – 192.80.78.255 | 256 | US |
allocated | 1990-05-21 | db6e4bec26db… |
| 192.80.79.0 – 192.80.79.255 | 256 | US |
allocated | 1990-05-21 | 7d395e9308a5… |
| 192.80.81.0 – 192.80.81.255 | 256 | US |
allocated | 1990-05-21 | d60081d87316… |
| 192.80.82.0 – 192.80.82.255 | 256 | US |
allocated | 1990-05-21 | d60081d87316… |
| 192.80.83.0 – 192.80.83.255 | 256 | US |
allocated | 1990-05-21 | 8600d3e98608… |
| 192.80.84.0 – 192.80.84.255 | 256 | US |
allocated | 1990-05-21 | c5f313ae2833… |
| 192.80.85.0 – 192.80.85.255 | 256 | US |
allocated | 1990-05-21 | e4afb2bfcbcf… |
| 192.80.86.0 – 192.80.86.255 | 256 | US |
allocated | 1990-05-21 | eaf38cc1efba… |
| 192.80.87.0 – 192.80.87.255 | 256 | US |
allocated | 1990-05-21 | ef9c827ecec7… |
| 192.80.92.0 – 192.80.95.255 | 1,024 | US |
allocated | 1990-05-21 | e5e3b9c13678… |
| 138.125.0.0 – 138.125.255.255 | 65,536 | US |
allocated | 1990-05-17 | ffd67fadfdd4… |
| 138.126.0.0 – 138.126.255.255 | 65,536 | US |
allocated | 1990-05-17 | ffd67fadfdd4… |
| 138.127.0.0 – 138.127.255.255 | 65,536 | US |
allocated | 1990-05-17 | ffd67fadfdd4… |
| 138.128.128.0 – 138.128.129.255 | 512 | US |
allocated | 1990-05-17 | 61457436058b… |
| 138.129.16.0 – 138.129.31.255 | 4,096 | US |
allocated | 1990-05-17 | 8508a46302a7… |
| 138.129.32.0 – 138.129.63.255 | 8,192 | US |
allocated | 1990-05-17 | 8508a46302a7… |
| 138.129.64.0 – 138.129.127.255 | 16,384 | US |
allocated | 1990-05-17 | 8508a46302a7… |
| 138.129.128.0 – 138.129.255.255 | 32,768 | US |
allocated | 1990-05-17 | 8508a46302a7… |
| 192.33.232.0 – 192.33.232.255 | 256 | US |
allocated | 1990-05-17 | 4b981b3209a8… |
| 192.35.230.0 – 192.35.230.255 | 256 | US |
allocated | 1990-05-17 | bcf097f5fad6… |
| 192.35.245.0 – 192.35.245.255 | 256 | US |
allocated | 1990-05-17 | 61457436058b… |
| 138.123.0.0 – 138.123.255.255 | 65,536 | US |
allocated | 1990-05-16 | 246940955115… |
| 140.173.0.0 – 140.173.255.255 | 65,536 | US |
allocated | 1990-05-16 | 6c29b2f0c8df… |
| 140.174.0.0 – 140.174.255.255 | 65,536 | US |
allocated | 1990-05-16 | 9f14454567a6… |
| 140.175.0.0 – 140.175.255.255 | 65,536 | US |
allocated | 1990-05-16 | 45fe880b68a8… |
| 140.176.0.0 – 140.176.255.255 | 65,536 | US |
allocated | 1990-05-16 | 7ab51cccdc19… |
| 140.177.0.0 – 140.177.63.255 | 16,384 | US |
allocated | 1990-05-16 | 9c16f449fb52… |
| 140.178.0.0 – 140.178.255.255 | 65,536 | US |
allocated | 1990-05-16 | 45fe880b68a8… |
| 140.180.0.0 – 140.180.255.255 | 65,536 | US |
allocated | 1990-05-16 | c48be6e5205b… |
| 140.182.0.0 – 140.182.255.255 | 65,536 | US |
allocated | 1990-05-16 | 6130c4b96fdd… |
| 140.183.0.0 – 140.183.255.255 | 65,536 | US |
allocated | 1990-05-16 | 45fe880b68a8… |
| 140.184.0.0 – 140.184.255.255 | 65,536 |  CA |
allocated | 1990-05-16 | b0e278088316… |
| 192.31.195.0 – 192.31.195.255 | 256 | US |
allocated | 1990-05-16 | ef3f9c8c88dc… |
| 192.33.129.0 – 192.33.129.255 | 256 | US |
allocated | 1990-05-16 | 3b20fa002dec… |
| 192.35.231.0 – 192.35.231.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.232.0 – 192.35.232.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.234.0 – 192.35.234.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.235.0 – 192.35.235.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.236.0 – 192.35.236.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.237.0 – 192.35.237.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.238.0 – 192.35.238.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.35.239.0 – 192.35.239.255 | 256 | US |
allocated | 1990-05-16 | 01ded2cfbf92… |
| 192.80.53.0 – 192.80.53.255 | 256 | US |
allocated | 1990-05-16 | c51d02ec525f… |
| 192.80.54.0 – 192.80.54.255 | 256 | CA |
allocated | 1990-05-16 | a2eba22c6c42… |
| 192.80.55.0 – 192.80.55.255 | 256 | US |
allocated | 1990-05-16 | e46d50b27c27… |
| 138.119.0.0 – 138.119.255.255 | 65,536 | CA |
allocated | 1990-05-14 | 6ca4c1ceb36c… |
| 192.12.233.0 – 192.12.233.255 | 256 | US |
allocated | 1990-05-14 | f3cd25f8ce70… |
| 192.12.234.0 – 192.12.234.255 | 256 | US |
allocated | 1990-05-14 | 0ff513819226… |
| 192.31.162.0 – 192.31.162.255 | 256 | US |
allocated | 1990-05-14 | c51d02ec525f… |
| 192.31.180.0 – 192.31.180.255 | 256 | CA |
allocated | 1990-05-14 | 347713ed3262… |
| 192.31.192.0 – 192.31.192.255 | 256 | US |
allocated | 1990-05-14 | af1e47f57654… |
| 192.31.193.0 – 192.31.193.255 | 256 | US |
allocated | 1990-05-14 | 240c6b1ea4b5… |
| 192.31.194.0 – 192.31.194.255 | 256 | US |
allocated | 1990-05-14 | d56c47d5ae4b… |
| 138.116.0.0 – 138.116.255.255 | 65,536 | US |
allocated | 1990-05-11 | dfd70dfaaf97… |
| 140.169.0.0 – 140.169.255.255 | 65,536 | US |
allocated | 1990-05-08 | 0596821a6910… |
| 140.170.0.0 – 140.170.255.255 | 65,536 | US |
allocated | 1990-05-08 | c58f06109864… |
| 140.172.0.0 – 140.172.255.255 | 65,536 | US |
allocated | 1990-05-08 | 2fc72c3bfb52… |
| 192.80.50.0 – 192.80.50.255 | 256 | US |
allocated | 1990-05-08 | 14716041ed98… |
| 192.80.52.0 – 192.80.52.255 | 256 | US |
allocated | 1990-05-08 | e220ed812a4c… |
| 138.145.0.0 – 138.145.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.146.0.0 – 138.146.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.147.0.0 – 138.147.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.148.0.0 – 138.148.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.149.0.0 – 138.149.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.150.0.0 – 138.150.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.151.0.0 – 138.151.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.152.0.0 – 138.153.255.255 | 131,072 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.154.0.0 – 138.154.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.155.0.0 – 138.155.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.159.0.0 – 138.159.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.160.0.0 – 138.160.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.161.0.0 – 138.161.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.162.0.0 – 138.162.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.163.0.0 – 138.163.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.164.0.0 – 138.164.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.165.0.0 – 138.165.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.166.0.0 – 138.166.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.167.0.0 – 138.167.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.168.0.0 – 138.168.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.170.0.0 – 138.170.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.171.0.0 – 138.171.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.172.0.0 – 138.172.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.173.0.0 – 138.173.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.174.0.0 – 138.174.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.175.0.0 – 138.175.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.176.0.0 – 138.176.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.177.0.0 – 138.177.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.178.0.0 – 138.178.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.179.0.0 – 138.179.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.180.0.0 – 138.180.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.181.0.0 – 138.181.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.182.0.0 – 138.182.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.183.0.0 – 138.183.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 138.184.0.0 – 138.184.255.255 | 65,536 | US |
allocated | 1990-05-07 | 45fe880b68a8… |
| 140.161.0.0 – 140.161.255.255 | 65,536 | CA |
allocated | 1990-05-07 | 5fd5b353f6ef… |