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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.31.0.0 – 192.31.0.255 | 256 |  US |
allocated | 1987-03-12 | ff4fb015f8c7… |
| 192.31.1.0 – 192.31.1.255 | 256 | US |
allocated | 1987-03-12 | e43f12c6ea05… |
| 192.31.4.0 – 192.31.4.255 | 256 | US |
allocated | 1987-03-12 | 6af3dbdad10c… |
| 192.31.5.0 – 192.31.5.255 | 256 | US |
allocated | 1987-03-12 | e1ed1885c9ce… |
| 192.30.44.0 – 192.30.44.255 | 256 | US |
allocated | 1987-03-10 | 7fb8a242cb09… |
| 192.30.61.0 – 192.30.61.255 | 256 | US |
allocated | 1987-03-10 | 501eb4ea8218… |
| 192.30.93.0 – 192.30.93.255 | 256 | US |
allocated | 1987-03-10 | 4a34b9f7ce6e… |
| 192.30.94.0 – 192.30.94.255 | 256 | US |
allocated | 1987-03-10 | 4a34b9f7ce6e… |
| 192.30.108.0 – 192.30.108.255 | 256 | US |
allocated | 1987-03-10 | 0596821a6910… |
| 192.30.125.0 – 192.30.125.255 | 256 | US |
allocated | 1987-03-10 | 0596821a6910… |
| 192.30.142.0 – 192.30.142.255 | 256 |  CA |
allocated | 1987-03-10 | 82e815a09812… |
| 192.30.149.0 – 192.30.149.255 | 256 | CA |
allocated | 1987-03-10 | 82e815a09812… |
| 192.30.200.0 – 192.30.200.255 | 256 | US |
allocated | 1987-03-10 | 501eb4ea8218… |
| 192.30.202.0 – 192.30.202.255 | 256 | CA |
allocated | 1987-03-10 | 82e815a09812… |
| 192.30.206.0 – 192.30.206.255 | 256 | US |
allocated | 1987-03-10 | 0596821a6910… |
| 192.30.207.0 – 192.30.207.255 | 256 | US |
allocated | 1987-03-10 | 0596821a6910… |
| 192.30.226.0 – 192.30.226.255 | 256 | CA |
allocated | 1987-03-10 | 82e815a09812… |
| 128.207.0.0 – 128.207.255.255 | 65,536 | US |
allocated | 1987-03-05 | e1ed1885c9ce… |
| 128.208.0.0 – 128.208.255.255 | 65,536 | US |
allocated | 1987-03-05 | 57de9c13c3e4… |
| 192.26.97.0 – 192.26.97.255 | 256 | US |
allocated | 1987-02-26 | b932558eb528… |
| 192.26.147.0 – 192.26.147.255 | 256 | US |
allocated | 1987-02-26 | d3cc487da4a3… |
| 192.26.148.0 – 192.26.148.255 | 256 | US |
allocated | 1987-02-26 | 0c6664b17c1e… |
| 192.26.149.0 – 192.26.149.255 | 256 | US |
allocated | 1987-02-26 | 9b41255c6e4f… |
| 192.26.150.0 – 192.26.150.255 | 256 | US |
allocated | 1987-02-26 | b5cc3d8886d1… |
| 192.26.151.0 – 192.26.151.255 | 256 | US |
allocated | 1987-02-26 | de3bcfa67cbb… |
| 128.200.0.0 – 128.200.255.255 | 65,536 | US |
allocated | 1987-02-19 | 6be5ed29148a… |
| 192.26.95.0 – 192.26.95.255 | 256 | US |
allocated | 1987-02-19 | 9b41255c6e4f… |
| 192.100.101.0 – 192.100.101.255 | 256 | CA |
allocated | 1987-02-19 | 4775463592d4… |
| 128.197.0.0 – 128.197.255.255 | 65,536 | US |
allocated | 1987-02-04 | e553a0a4bf12… |
| 128.198.0.0 – 128.198.255.255 | 65,536 | US |
allocated | 1987-02-04 | 6f356c09a1d1… |
| 192.26.89.0 – 192.26.89.255 | 256 | US |
allocated | 1987-01-28 | 45fe880b68a8… |
| 192.26.90.0 – 192.26.90.255 | 256 | US |
allocated | 1987-01-28 | 215c8e9c6a09… |
| 192.29.0.0 – 192.29.255.255 | 65,536 | US |
allocated | 1987-01-23 | ace55d4dc090… |
| 128.196.0.0 – 128.196.255.255 | 65,536 | US |
allocated | 1987-01-22 | 6d25f5314a15… |
| 128.195.0.0 – 128.195.255.255 | 65,536 | US |
allocated | 1987-01-20 | 6be5ed29148a… |
| 128.193.0.0 – 128.193.255.255 | 65,536 | US |
allocated | 1987-01-16 | b79b611d103f… |
| 128.194.0.0 – 128.194.255.255 | 65,536 | US |
allocated | 1987-01-16 | e0cd88697e12… |
| 128.191.0.0 – 128.191.255.255 | 65,536 | US |
allocated | 1987-01-15 | 23bb6e997ace… |
| 128.192.0.0 – 128.192.255.255 | 65,536 | US |
allocated | 1987-01-15 | 1131aaffa515… |
| 128.189.0.0 – 128.189.255.255 | 65,536 | CA |
allocated | 1987-01-08 | b764959acfe6… |
| 128.190.0.0 – 128.190.255.255 | 65,536 | US |
allocated | 1987-01-08 | 45fe880b68a8… |
| 128.186.0.0 – 128.186.255.255 | 65,536 | US |
allocated | 1987-01-07 | c51d02ec525f… |
| 128.187.0.0 – 128.187.255.255 | 65,536 | US |
allocated | 1987-01-07 | 1347e519ad84… |
| 192.26.85.0 – 192.26.85.255 | 256 | US |
allocated | 1987-01-07 | 03772d84e56b… |
| 192.26.86.0 – 192.26.86.255 | 256 | US |
allocated | 1987-01-07 | 03772d84e56b… |
| 192.26.87.0 – 192.26.87.255 | 256 | US |
allocated | 1987-01-07 | 03772d84e56b… |
| 192.26.88.0 – 192.26.88.255 | 256 | US |
allocated | 1987-01-07 | b7f4dbefd517… |
| 192.26.103.0 – 192.26.103.255 | 256 | US |
allocated | 1987-01-07 | 45fe880b68a8… |
| 192.26.83.0 – 192.26.83.255 | 256 | US |
allocated | 1986-12-23 | 711af9615380… |
| 192.26.84.0 – 192.26.84.255 | 256 | US |
allocated | 1986-12-23 | 45fe880b68a8… |
| 192.26.100.0 – 192.26.100.255 | 256 | US |
allocated | 1986-12-23 | 08976fd13141… |
| 192.26.101.0 – 192.26.101.255 | 256 | US |
allocated | 1986-12-23 | 08976fd13141… |
| 192.26.102.0 – 192.26.102.255 | 256 | US |
allocated | 1986-12-23 | 08976fd13141… |
| 192.26.50.0 – 192.26.51.255 | 512 | US |
allocated | 1986-12-17 | f21130892698… |
| 192.26.52.0 – 192.26.55.255 | 1,024 | US |
allocated | 1986-12-17 | f21130892698… |
| 192.26.56.0 – 192.26.63.255 | 2,048 | US |
allocated | 1986-12-17 | f21130892698… |
| 192.26.64.0 – 192.26.79.255 | 4,096 | US |
allocated | 1986-12-17 | f21130892698… |
| 192.26.80.0 – 192.26.81.255 | 512 | US |
allocated | 1986-12-17 | f21130892698… |
| 192.26.82.0 – 192.26.82.255 | 256 | US |
allocated | 1986-12-17 | f21130892698… |
| 192.16.203.0 – 192.16.203.255 | 256 | US |
allocated | 1986-11-21 | 314c3c72e9a1… |
| 192.16.204.0 – 192.16.204.255 | 256 | US |
allocated | 1986-11-21 | 26e96a416c92… |
| 192.31.207.0 – 192.31.207.255 | 256 | US |
allocated | 1986-11-21 | 314c3c72e9a1… |
| 192.5.8.0 – 192.5.8.255 | 256 | US |
allocated | 1986-11-13 | 0b4c396f0b41… |
| 192.16.181.0 – 192.16.181.255 | 256 | US |
allocated | 1986-11-07 | 9b41255c6e4f… |
| 192.16.182.0 – 192.16.182.255 | 256 | US |
allocated | 1986-11-07 | 4a67db8a65eb… |
| 128.175.0.0 – 128.175.255.255 | 65,536 | US |
allocated | 1986-11-04 | 279fb28df10a… |
| 192.28.0.0 – 192.28.63.255 | 16,384 | US |
allocated | 1986-11-04 | f84583916ecf… |
| 192.28.64.0 – 192.28.95.255 | 8,192 | US |
allocated | 1986-11-04 | f84583916ecf… |
| 192.28.96.0 – 192.28.99.255 | 1,024 | US |
allocated | 1986-11-04 | f84583916ecf… |
| 192.26.26.0 – 192.26.26.255 | 256 | US |
allocated | 1986-11-03 | 45fe880b68a8… |
| 192.16.173.0 – 192.16.173.255 | 256 | US |
allocated | 1986-10-23 | 45fe880b68a8… |
| 128.172.0.0 – 128.172.255.255 | 65,536 | US |
allocated | 1986-10-21 | 5fe11543654b… |
| 128.173.0.0 – 128.173.255.255 | 65,536 | US |
allocated | 1986-10-21 | 6d198a372145… |
| 192.26.8.0 – 192.26.8.255 | 256 | US |
allocated | 1986-10-20 | 6e7fadb2942b… |
| 128.169.0.0 – 128.169.255.255 | 65,536 | US |
allocated | 1986-10-03 | c9eedd918e1c… |
| 128.165.0.0 – 128.165.255.255 | 65,536 | US |
allocated | 1986-09-29 | d36aed7aeb09… |
| 128.166.0.0 – 128.166.255.255 | 65,536 | US |
allocated | 1986-09-29 | e1ed1885c9ce… |
| 192.26.11.0 – 192.26.11.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.12.0 – 192.26.12.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.13.0 – 192.26.13.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.14.0 – 192.26.14.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.15.0 – 192.26.15.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.16.0 – 192.26.16.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.17.0 – 192.26.17.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.18.0 – 192.26.18.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 192.26.19.0 – 192.26.19.255 | 256 | US |
allocated | 1986-09-25 | 45fe880b68a8… |
| 128.154.0.0 – 128.154.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.155.0.0 – 128.155.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.156.0.0 – 128.156.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.157.0.0 – 128.157.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.158.0.0 – 128.158.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.159.0.0 – 128.159.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.160.0.0 – 128.160.255.255 | 65,536 | US |
allocated | 1986-09-24 | 45fe880b68a8… |
| 128.161.0.0 – 128.161.255.255 | 65,536 | US |
allocated | 1986-09-24 | 2d90cbf4f78e… |
| 128.162.0.0 – 128.162.255.255 | 65,536 | US |
allocated | 1986-09-24 | f21130892698… |
| 128.163.0.0 – 128.163.255.255 | 65,536 | US |
allocated | 1986-09-24 | 20cbc7d1c863… |
| 128.164.0.0 – 128.164.255.255 | 65,536 | US |
allocated | 1986-09-24 | a983fb5b1439… |
| 192.26.10.0 – 192.26.10.255 | 256 | US |
allocated | 1986-09-24 | 080e1d5f3549… |
| 128.153.0.0 – 128.153.255.255 | 65,536 | US |
allocated | 1986-09-23 | a6adbbe18717… |
| 128.151.0.0 – 128.151.255.255 | 65,536 | US |
allocated | 1986-09-18 | 074f3b82f5a9… |