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 |
|---|---|---|---|---|---|
| 192.5.132.0 – 192.5.132.255 | 256 |  US |
allocated | 1985-09-09 | 45fe880b68a8… |
| 192.18.0.0 – 192.18.127.255 | 32,768 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.128.0 – 192.18.191.255 | 16,384 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.192.0 – 192.18.193.255 | 512 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.194.0 – 192.18.194.255 | 256 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.196.0 – 192.18.199.255 | 1,024 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.200.0 – 192.18.207.255 | 2,048 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.208.0 – 192.18.223.255 | 4,096 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.18.224.0 – 192.18.255.255 | 8,192 | US |
allocated | 1985-09-09 | ace55d4dc090… |
| 192.12.102.0 – 192.12.102.255 | 256 | US |
allocated | 1985-09-04 | 2d90cbf4f78e… |
| 192.12.120.0 – 192.12.120.255 | 256 | US |
allocated | 1985-09-04 | e46d50b27c27… |
| 192.12.101.0 – 192.12.101.255 | 256 | US |
allocated | 1985-08-28 | 9fcea28d0773… |
| 128.6.0.0 – 128.6.255.255 | 65,536 | US |
allocated | 1985-08-16 | 0c6664b17c1e… |
| 192.12.89.0 – 192.12.89.255 | 256 | US |
allocated | 1985-08-07 | 43d4350210d5… |
| 192.12.90.0 – 192.12.90.255 | 256 | US |
allocated | 1985-08-07 | 43d4350210d5… |
| 192.12.88.0 – 192.12.88.255 | 256 | US |
allocated | 1985-08-05 | 0c6664b17c1e… |
| 192.12.80.0 – 192.12.80.255 | 256 | US |
allocated | 1985-07-23 | 444a75b49e4b… |
| 192.12.82.0 – 192.12.82.255 | 256 | US |
allocated | 1985-07-23 | 148b369d3a54… |
| 128.88.0.0 – 128.88.255.255 | 65,536 | US |
allocated | 1985-07-17 | 1e6aecf01600… |
| 192.12.78.0 – 192.12.78.255 | 256 | US |
allocated | 1985-07-11 | 7de0a857d7c5… |
| 192.12.75.0 – 192.12.75.255 | 256 | US |
allocated | 1985-06-24 | 04b1a93e04c6… |
| 192.12.74.0 – 192.12.74.255 | 256 | US |
allocated | 1985-06-07 | c1e8d3f619ee… |
| 128.83.0.0 – 128.83.255.255 | 65,536 | US |
allocated | 1985-05-29 | ca6a9d04dac1… |
| 128.84.0.0 – 128.84.255.255 | 65,536 | US |
allocated | 1985-05-29 | e33c6946c6dd… |
| 192.12.69.0 – 192.12.69.255 | 256 | US |
allocated | 1985-05-16 | 6d25f5314a15… |
| 192.12.70.0 – 192.12.70.255 | 256 | US |
allocated | 1985-05-16 | 45fe880b68a8… |
| 192.12.71.0 – 192.12.71.255 | 256 | US |
allocated | 1985-05-16 | 45fe880b68a8… |
| 192.12.68.0 – 192.12.68.255 | 256 | US |
allocated | 1985-04-30 | c7d472fb172e… |
| 192.12.65.0 – 192.12.65.255 | 256 | US |
allocated | 1985-04-24 | 45fe880b68a8… |
| 192.12.66.0 – 192.12.67.255 | 512 | US |
allocated | 1985-04-24 | 45fe880b68a8… |
| 192.12.64.0 – 192.12.64.255 | 256 | US |
allocated | 1985-04-22 | 45fe880b68a8… |
| 192.12.63.0 – 192.12.63.255 | 256 | US |
allocated | 1985-04-19 | ff4fb015f8c7… |
| 192.12.57.0 – 192.12.57.255 | 256 | US |
allocated | 1985-04-11 | 6dd814657e30… |
| 192.12.58.0 – 192.12.58.255 | 256 | US |
allocated | 1985-04-11 | 6dd814657e30… |
| 192.12.59.0 – 192.12.59.255 | 256 | US |
allocated | 1985-04-11 | 6dd814657e30… |
| 192.12.60.0 – 192.12.60.255 | 256 | US |
allocated | 1985-04-11 | 6dd814657e30… |
| 192.12.61.0 – 192.12.61.255 | 256 | US |
allocated | 1985-04-11 | 6dd814657e30… |
| 192.12.62.0 – 192.12.62.255 | 256 |  CA |
allocated | 1985-04-11 | c8bae1572cdf… |
| 192.12.56.0 – 192.12.56.255 | 256 | US |
allocated | 1985-04-09 | ce48cbd2051d… |
| 128.80.0.0 – 128.80.255.255 | 65,536 | US |
allocated | 1985-04-03 | 45fe880b68a8… |
| 192.12.53.0 – 192.12.53.255 | 256 | US |
allocated | 1985-03-22 | c48be6e5205b… |
| 128.63.0.0 – 128.63.255.255 | 65,536 | US |
allocated | 1985-03-12 | 45fe880b68a8… |
| 128.62.0.0 – 128.62.255.255 | 65,536 | US |
allocated | 1985-03-05 | ca6a9d04dac1… |
| 192.12.48.0 – 192.12.48.255 | 256 | US |
allocated | 1985-02-28 | 2d90cbf4f78e… |
| 192.12.49.0 – 192.12.49.255 | 256 | US |
allocated | 1985-02-28 | 2d90cbf4f78e… |
| 192.12.50.0 – 192.12.50.255 | 256 | US |
allocated | 1985-02-28 | 2d90cbf4f78e… |
| 128.59.0.0 – 128.59.255.255 | 65,536 | US |
allocated | 1985-02-05 | 148b369d3a54… |
| 128.60.0.0 – 128.60.255.255 | 65,536 | US |
allocated | 1985-02-05 | 45fe880b68a8… |
| 128.61.0.0 – 128.61.255.255 | 65,536 | US |
allocated | 1985-02-05 | 4a67db8a65eb… |
| 128.174.0.0 – 128.174.255.255 | 65,536 | US |
allocated | 1985-02-02 | bd6f4480245e… |
| 192.12.44.0 – 192.12.44.255 | 256 | US |
allocated | 1985-01-29 | 738e241afe82… |
| 128.43.0.0 – 128.43.255.255 | 65,536 | CA |
allocated | 1985-01-14 | c8bae1572cdf… |
| 128.44.0.0 – 128.44.255.255 | 65,536 | US |
allocated | 1985-01-14 | 45fe880b68a8… |
| 128.46.0.0 – 128.46.255.255 | 65,536 | US |
allocated | 1985-01-14 | ff4fb015f8c7… |
| 128.58.0.0 – 128.58.255.255 | 65,536 | US |
allocated | 1985-01-09 | a9ef24168f8b… |
| 192.12.34.0 – 192.12.35.255 | 512 | US |
allocated | 1985-01-09 | 66defc41fc95… |
| 192.12.36.0 – 192.12.39.255 | 1,024 | US |
allocated | 1985-01-09 | 66defc41fc95… |
| 192.12.40.0 – 192.12.40.255 | 256 | US |
allocated | 1985-01-09 | 66defc41fc95… |
| 192.12.42.0 – 192.12.42.255 | 256 | US |
allocated | 1985-01-09 | d8d7984745a8… |
| 192.12.43.0 – 192.12.43.255 | 256 | US |
allocated | 1985-01-09 | d8d7984745a8… |
| 192.12.32.0 – 192.12.32.255 | 256 | US |
allocated | 1984-12-14 | 859ff8395a14… |
| 192.12.33.0 – 192.12.33.255 | 256 | US |
allocated | 1984-12-14 | 2784ce9dbeb2… |
| 128.56.0.0 – 128.56.255.255 | 65,536 | US |
allocated | 1984-11-09 | 45fe880b68a8… |
| 128.57.0.0 – 128.57.255.255 | 65,536 | US |
allocated | 1984-11-09 | 2784ce9dbeb2… |
| 192.12.29.0 – 192.12.29.255 | 256 | US |
allocated | 1984-11-06 | 45fe880b68a8… |
| 192.12.30.0 – 192.12.30.255 | 256 | US |
allocated | 1984-11-06 | 45fe880b68a8… |
| 192.12.28.0 – 192.12.28.255 | 256 | US |
allocated | 1984-11-01 | 2d90cbf4f78e… |
| 128.55.0.0 – 128.55.255.255 | 65,536 | US |
allocated | 1984-10-29 | 62381ee296ba… |
| 192.12.27.0 – 192.12.27.255 | 256 | US |
allocated | 1984-10-18 | 074f3b82f5a9… |
| 192.5.107.0 – 192.5.107.255 | 256 | US |
allocated | 1984-10-08 | 04b1a93e04c6… |
| 192.5.108.0 – 192.5.108.255 | 256 | US |
allocated | 1984-10-08 | 04b1a93e04c6… |
| 192.12.24.0 – 192.12.24.255 | 256 | US |
allocated | 1984-10-08 | e46d50b27c27… |
| 192.12.25.0 – 192.12.25.255 | 256 | US |
allocated | 1984-10-08 | 0b4c396f0b41… |
| 192.12.19.0 – 192.12.19.255 | 256 | US |
allocated | 1984-09-27 | e8d4bb82379d… |
| 192.12.22.0 – 192.12.22.255 | 256 | US |
allocated | 1984-09-27 | 5942bda53f50… |
| 192.12.16.0 – 192.12.16.255 | 256 | US |
allocated | 1984-09-24 | 2784ce9dbeb2… |
| 192.12.17.0 – 192.12.17.255 | 256 | US |
allocated | 1984-09-24 | 2be2a0b0a861… |
| 192.12.13.0 – 192.12.13.255 | 256 | US |
allocated | 1984-09-13 | f3b18f5798f3… |
| 192.12.14.0 – 192.12.14.255 | 256 | US |
allocated | 1984-09-13 | f3b18f5798f3… |
| 192.12.15.0 – 192.12.15.255 | 256 | US |
allocated | 1984-09-13 | 2d008eb98b45… |
| 192.12.8.0 – 192.12.8.255 | 256 | US |
allocated | 1984-09-05 | 45fe880b68a8… |
| 128.54.0.0 – 128.54.255.255 | 65,536 | US |
allocated | 1984-08-24 | 1f9a298d8ca9… |
| 192.5.106.0 – 192.5.106.255 | 256 | US |
allocated | 1984-08-20 | 242be018336f… |
| 192.5.105.0 – 192.5.105.255 | 256 | US |
allocated | 1984-08-10 | 845f0d357ab4… |
| 192.5.101.0 – 192.5.101.255 | 256 | US |
allocated | 1984-08-08 | ff4fb015f8c7… |
| 192.5.102.0 – 192.5.102.255 | 256 | US |
allocated | 1984-08-08 | ff4fb015f8c7… |
| 128.8.0.0 – 128.8.255.255 | 65,536 | US |
allocated | 1984-08-01 | 38c154f2604f… |
| 128.9.0.0 – 128.9.255.255 | 65,536 | US |
allocated | 1984-08-01 | 8f5d315929a5… |
| 128.10.0.0 – 128.10.255.255 | 65,536 | US |
allocated | 1984-08-01 | ff4fb015f8c7… |
| 192.12.5.0 – 192.12.5.255 | 256 | US |
allocated | 1984-07-25 | 2784ce9dbeb2… |
| 192.12.6.0 – 192.12.6.255 | 256 | US |
allocated | 1984-07-25 | 45fe880b68a8… |
| 192.13.0.0 – 192.13.255.255 | 65,536 | US |
allocated | 1984-07-24 | 45fe880b68a8… |
| 192.14.0.0 – 192.14.255.255 | 65,536 | US |
allocated | 1984-07-24 | 45fe880b68a8… |
| 192.5.99.0 – 192.5.99.255 | 256 | US |
allocated | 1984-07-23 | 2be2a0b0a861… |
| 192.5.96.0 – 192.5.96.255 | 256 | CA |
allocated | 1984-07-19 | 9bb228eab533… |
| 192.5.94.0 – 192.5.94.255 | 256 | US |
allocated | 1984-07-10 | 2cb2f363aab1… |
| 192.5.95.0 – 192.5.95.255 | 256 | US |
allocated | 1984-07-10 | 2cb2f363aab1… |
| 192.5.92.0 – 192.5.92.255 | 256 | US |
allocated | 1984-07-06 | 2784ce9dbeb2… |
| 192.5.93.0 – 192.5.93.255 | 256 | US |
allocated | 1984-07-06 | 2784ce9dbeb2… |
| 192.5.91.0 – 192.5.91.255 | 256 | US |
allocated | 1984-07-02 | ff4fb015f8c7… |