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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 192.12.3.0 – 192.12.3.255 | 256 | US |
allocated | 1984-06-11 | 5d23c9e6d215… |
| 192.12.4.0 – 192.12.4.255 | 256 | US |
allocated | 1984-06-11 | 0477aef291a9… |
| 192.5.70.0 – 192.5.70.255 | 256 | US |
allocated | 1984-06-01 | 8659ae0e1df8… |
| 128.52.0.0 – 128.52.255.255 | 65,536 | US |
allocated | 1984-05-31 | d98c567cda2d… |
| 192.5.56.0 – 192.5.56.255 | 256 | US |
allocated | 1984-05-30 | 9a2eadd9a1ef… |
| 192.5.67.0 – 192.5.67.255 | 256 | US |
allocated | 1984-04-19 | 2784ce9dbeb2… |
| 128.2.0.0 – 128.2.255.255 | 65,536 | US |
allocated | 1984-04-17 | 859ff8395a14… |
| 128.3.0.0 – 128.3.255.255 | 65,536 | US |
allocated | 1984-04-17 | fc522e552438… |
| 192.5.66.0 – 192.5.66.255 | 256 | US |
allocated | 1984-04-17 | 2c8438ff5e93… |
| 192.5.64.0 – 192.5.64.255 | 256 | US |
allocated | 1984-04-13 | 2d90cbf4f78e… |
| 192.5.65.0 – 192.5.65.255 | 256 | US |
allocated | 1984-04-13 | 45fe880b68a8… |
| 128.49.0.0 – 128.49.255.255 | 65,536 | US |
allocated | 1984-03-13 | 45fe880b68a8… |
| 128.50.0.0 – 128.50.255.255 | 65,536 | US |
allocated | 1984-03-13 | 87bed6de370e… |
| 128.51.0.0 – 128.51.255.255 | 65,536 | US |
allocated | 1984-03-13 | 87bed6de370e… |
| 192.5.4.0 – 192.5.5.255 | 512 | US |
allocated | 1984-03-12 | ff47ad72d842… |
| 192.5.53.0 – 192.5.53.255 | 256 | US |
allocated | 1984-02-27 | 074f3b82f5a9… |
| 192.5.54.0 – 192.5.54.255 | 256 | US |
allocated | 1984-02-27 | aa2650ff1df5… |
| 128.47.0.0 – 128.47.255.255 | 65,536 | US |
allocated | 1984-02-23 | 45fe880b68a8… |
| 192.5.52.0 – 192.5.52.255 | 256 | US |
allocated | 1984-02-13 | 20cb08ba1c7a… |
| 11.0.0.0 – 11.255.255.255 | 16,777,216 | US |
allocated | 1984-01-19 | 45fe880b68a8… |
| 192.5.48.0 – 192.5.48.255 | 256 | US |
allocated | 1983-12-08 | ff4fb015f8c7… |
| 128.42.0.0 – 128.42.255.255 | 65,536 | US |
allocated | 1983-12-02 | 5f676a1dae02… |
| 192.5.47.0 – 192.5.47.255 | 256 | US |
allocated | 1983-12-02 | 45fe880b68a8… |
| 192.5.44.0 – 192.5.44.255 | 256 | US |
allocated | 1983-10-31 | f56754654451… |
| 128.29.0.0 – 128.29.255.255 | 65,536 | US |
allocated | 1983-10-24 | e46d50b27c27… |
| 192.9.0.0 – 192.9.255.255 | 65,536 | US |
allocated | 1983-10-17 | ace55d4dc090… |
| 192.5.43.0 – 192.5.43.255 | 256 | US |
allocated | 1983-10-10 | 148b369d3a54… |
| 192.6.0.0 – 192.6.1.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.2.0 – 192.6.2.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.4.0 – 192.6.4.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.5.0 – 192.6.5.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.6.0 – 192.6.6.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.8.0 – 192.6.8.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.9.0 – 192.6.9.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.10.0 – 192.6.10.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.11.0 – 192.6.11.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.12.0 – 192.6.15.255 | 1,024 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.16.0 – 192.6.16.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.17.0 – 192.6.17.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.18.0 – 192.6.18.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.19.0 – 192.6.19.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.20.0 – 192.6.20.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.22.0 – 192.6.22.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |