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 |
|---|---|---|---|---|---|
| 192.12.3.0 – 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… |
| 192.6.23.0 – 192.6.23.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.24.0 – 192.6.27.255 | 1,024 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.28.0 – 192.6.31.255 | 1,024 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.32.0 – 192.6.33.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.34.0 – 192.6.35.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.36.0 – 192.6.36.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.37.0 – 192.6.37.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.38.0 – 192.6.39.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.40.0 – 192.6.41.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.42.0 – 192.6.43.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.44.0 – 192.6.45.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.46.0 – 192.6.47.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.52.0 – 192.6.52.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.53.0 – 192.6.53.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.54.0 – 192.6.54.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.55.0 – 192.6.55.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.56.0 – 192.6.57.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.58.0 – 192.6.59.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.60.0 – 192.6.63.255 | 1,024 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.68.0 – 192.6.69.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.70.0 – 192.6.71.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.72.0 – 192.6.73.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.74.0 – 192.6.74.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.75.0 – 192.6.75.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.76.0 – 192.6.77.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.78.0 – 192.6.78.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.79.0 – 192.6.79.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.80.0 – 192.6.81.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.82.0 – 192.6.83.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.84.0 – 192.6.85.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.86.0 – 192.6.86.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.87.0 – 192.6.87.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.88.0 – 192.6.89.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.90.0 – 192.6.91.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.92.0 – 192.6.95.255 | 1,024 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.96.0 – 192.6.97.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.98.0 – 192.6.98.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.99.0 – 192.6.99.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.100.0 – 192.6.101.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.102.0 – 192.6.102.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.103.0 – 192.6.103.255 | 256 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.104.0 – 192.6.105.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.106.0 – 192.6.106.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.107.0 – 192.6.107.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.108.0 – 192.6.109.255 | 512 | US |
allocated | 1983-08-26 | d421c651a84f… |
| 192.6.110.0 – 192.6.111.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.112.0 – 192.6.115.255 | 1,024 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.116.0 – 192.6.117.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.118.0 – 192.6.119.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.120.0 – 192.6.121.255 | 512 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.122.0 – 192.6.122.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.123.0 – 192.6.123.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.124.0 – 192.6.125.255 | 512 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.126.0 – 192.6.126.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.127.0 – 192.6.127.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |
| 192.6.128.0 – 192.6.128.255 | 256 | US |
allocated | 1983-08-26 | 4a34b9f7ce6e… |
| 192.6.129.0 – 192.6.129.255 | 256 | US |
allocated | 1983-08-26 | 1e6aecf01600… |