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
1,639,263,232
📦
IPv4 networks
76,747
delegated blocks
🧭
IPv6 networks
11,457
delegated blocks
🔗
Autonomous systems
34,140
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 198.51.56.0 – 198.51.57.255 | 512 |  US |
allocated | 1993-01-29 | 3f4f29061485… |
| 198.51.58.0 – 198.51.58.255 | 256 | US |
allocated | 1993-01-29 | 3f4f29061485… |
| 198.51.59.0 – 198.51.59.255 | 256 | US |
allocated | 1993-01-29 | 87fe7f8d7265… |
| 198.51.60.0 – 198.51.60.255 | 256 | US |
allocated | 1993-01-29 | 04b0e8aa867b… |
| 198.51.61.0 – 198.51.61.255 | 256 | US |
allocated | 1993-01-29 | 216251df1236… |
| 198.51.62.0 – 198.51.62.255 | 256 | US |
allocated | 1993-01-29 | a3adae12f224… |
| 198.51.64.0 – 198.51.64.255 | 256 | US |
allocated | 1993-01-29 | e7831cc9c64b… |
| 198.51.65.0 – 198.51.65.255 | 256 | US |
allocated | 1993-01-29 | 72f9598cb49b… |
| 198.51.66.0 – 198.51.66.255 | 256 | US |
allocated | 1993-01-29 | a96f86959562… |
| 198.51.67.0 – 198.51.67.255 | 256 | US |
allocated | 1993-01-29 | 13bb265c99f5… |
| 198.51.69.0 – 198.51.69.255 | 256 | US |
allocated | 1993-01-29 | 241dad4408f7… |
| 198.51.70.0 – 198.51.70.255 | 256 | US |
allocated | 1993-01-29 | 86aafaf56d06… |
| 198.51.73.0 – 198.51.73.255 | 256 | US |
allocated | 1993-01-29 | d111cf04003b… |
| 198.51.74.0 – 198.51.74.255 | 256 | US |
allocated | 1993-01-29 | 08a7b1ea5f93… |
| 198.51.89.0 – 198.51.89.255 | 256 | US |
allocated | 1993-01-29 | 1b41fd6ae3fa… |
| 198.51.90.0 – 198.51.90.255 | 256 | US |
allocated | 1993-01-29 | 67b83d0651d0… |
| 198.51.91.0 – 198.51.91.255 | 256 | US |
allocated | 1993-01-29 | 0fa103b27e92… |
| 164.95.0.0 – 164.95.255.255 | 65,536 | US |
allocated | 1993-01-28 | 9d1a6433fbac… |
| 192.40.201.0 – 192.40.201.255 | 256 | US |
allocated | 1993-01-28 | 4a34b9f7ce6e… |
| 192.187.141.0 – 192.187.141.255 | 256 | US |
allocated | 1993-01-28 | 546afd539e4f… |
| 192.187.143.0 – 192.187.143.255 | 256 | US |
allocated | 1993-01-28 | a0b4c9a2b27e… |
| 192.187.144.0 – 192.187.147.255 | 1,024 | US |
allocated | 1993-01-28 | a0b4c9a2b27e… |
| 198.49.22.0 – 198.49.22.255 | 256 | US |
allocated | 1993-01-28 | 48dcece31ffb… |
| 198.49.24.0 – 198.49.24.255 | 256 | US |
allocated | 1993-01-28 | 27f1d5f4f3b8… |
| 198.49.25.0 – 198.49.25.255 | 256 | US |
allocated | 1993-01-28 | e55e4c95f84e… |
| 198.49.26.0 – 198.49.26.255 | 256 | US |
allocated | 1993-01-28 | e55e4c95f84e… |
| 198.51.47.0 – 198.51.47.255 | 256 | US |
allocated | 1993-01-28 | 5275886171e4… |
| 198.51.48.0 – 198.51.48.255 | 256 | US |
allocated | 1993-01-28 | 5275886171e4… |
| 198.52.16.0 – 198.52.23.255 | 2,048 | US |
allocated | 1993-01-28 | f83e3ff08305… |
| 198.52.24.0 – 198.52.25.255 | 512 | US |
allocated | 1993-01-28 | f83e3ff08305… |
| 161.197.0.0 – 161.197.255.255 | 65,536 | US |
allocated | 1993-01-27 | 2a9237ec1c2c… |
| 164.94.0.0 – 164.94.255.255 | 65,536 | US |
allocated | 1993-01-27 | 45fe880b68a8… |
| 192.154.60.0 – 192.154.60.255 | 256 | US |
allocated | 1993-01-27 | 4ef88c8a739f… |
| 192.245.164.0 – 192.245.164.255 | 256 | US |
allocated | 1993-01-27 | cdb7d42057bd… |
| 198.35.32.0 – 198.35.39.255 | 2,048 | US |
allocated | 1993-01-27 | d0d23491ba5f… |
| 198.35.40.0 – 198.35.41.255 | 512 | US |
allocated | 1993-01-27 | d0d23491ba5f… |
| 198.48.4.0 – 198.48.7.255 | 1,024 | US |
allocated | 1993-01-27 | e39f345a4877… |
| 198.49.5.0 – 198.49.5.255 | 256 | US |
allocated | 1993-01-27 | 5a026edb91f5… |
| 198.49.6.0 – 198.49.6.255 | 256 | US |
allocated | 1993-01-27 | 0f6acfba5151… |
| 198.49.7.0 – 198.49.7.255 | 256 | US |
allocated | 1993-01-27 | 5b9643ffebc3… |
| 198.49.10.0 – 198.49.10.255 | 256 | US |
allocated | 1993-01-27 | 5fa603a38d62… |
| 198.49.11.0 – 198.49.11.255 | 256 | US |
allocated | 1993-01-27 | c64d461b314b… |
| 198.49.12.0 – 198.49.12.255 | 256 | US |
allocated | 1993-01-27 | 4e8b0b0c33d0… |
| 198.49.16.0 – 198.49.19.255 | 1,024 | US |
allocated | 1993-01-27 | 89d036ec3112… |
| 198.49.20.0 – 198.49.20.255 | 256 | US |
allocated | 1993-01-27 | 89d036ec3112… |
| 198.52.0.0 – 198.52.3.255 | 1,024 | US |
allocated | 1993-01-27 | 8bed115e1fc1… |
| 198.53.0.0 – 198.53.255.255 | 65,536 |  CA |
allocated | 1993-01-27 | 0e702695cc8d… |
| 198.55.8.0 – 198.55.15.255 | 2,048 | US |
allocated | 1993-01-27 | 04b303b35d5c… |
| 161.195.0.0 – 161.195.255.255 | 65,536 | US |
allocated | 1993-01-26 | 663d3df155b0… |
| 198.37.64.0 – 198.37.79.255 | 4,096 | US |
allocated | 1993-01-26 | f7e368f9352e… |
| 198.37.80.0 – 198.37.87.255 | 2,048 | US |
allocated | 1993-01-26 | f7e368f9352e… |
| 198.37.88.0 – 198.37.91.255 | 1,024 | US |
allocated | 1993-01-26 | f7e368f9352e… |
| 198.37.92.0 – 198.37.93.255 | 512 | US |
allocated | 1993-01-26 | f7e368f9352e… |
| 198.49.1.0 – 198.49.1.255 | 256 | US |
allocated | 1993-01-26 | cbe98e0e3a86… |
| 198.51.16.0 – 198.51.19.255 | 1,024 | US |
allocated | 1993-01-26 | 441f2d79eb95… |
| 198.51.20.0 – 198.51.21.255 | 512 | US |
allocated | 1993-01-26 | 441f2d79eb95… |
| 198.51.23.0 – 198.51.23.255 | 256 | US |
allocated | 1993-01-26 | e6281ea718f3… |
| 198.51.24.0 – 198.51.24.255 | 256 | US |
allocated | 1993-01-26 | 6d356cbd0542… |
| 198.51.25.0 – 198.51.25.255 | 256 | US |
allocated | 1993-01-26 | 0456282cd7bf… |
| 198.51.26.0 – 198.51.27.255 | 512 | US |
allocated | 1993-01-26 | 0456282cd7bf… |
| 198.51.28.0 – 198.51.29.255 | 512 | US |
allocated | 1993-01-26 | 0456282cd7bf… |
| 198.51.30.0 – 198.51.30.255 | 256 | US |
allocated | 1993-01-26 | 0456282cd7bf… |
| 198.51.31.0 – 198.51.31.255 | 256 | US |
allocated | 1993-01-26 | 0596821a6910… |
| 198.51.32.0 – 198.51.33.255 | 512 | US |
allocated | 1993-01-26 | 0596821a6910… |
| 198.51.34.0 – 198.51.34.255 | 256 | US |
allocated | 1993-01-26 | 0596821a6910… |
| 198.51.35.0 – 198.51.35.255 | 256 | US |
allocated | 1993-01-26 | 8bf8813b5057… |
| 198.51.36.0 – 198.51.36.255 | 256 | US |
allocated | 1993-01-26 | ffd67fadfdd4… |
| 198.51.37.0 – 198.51.37.255 | 256 | US |
allocated | 1993-01-26 | ace55d4dc090… |
| 198.51.38.0 – 198.51.38.255 | 256 | US |
allocated | 1993-01-26 | ace55d4dc090… |
| 198.51.39.0 – 198.51.39.255 | 256 | US |
allocated | 1993-01-26 | b9e6740f03c8… |
| 198.51.40.0 – 198.51.41.255 | 512 | US |
allocated | 1993-01-26 | a8c8f1939af8… |
| 198.51.42.0 – 198.51.43.255 | 512 | US |
allocated | 1993-01-26 | 45fe880b68a8… |
| 198.51.46.0 – 198.51.46.255 | 256 | US |
allocated | 1993-01-26 | 3f18d0bfe590… |
| 161.194.0.0 – 161.194.255.255 | 65,536 | US |
allocated | 1993-01-25 | 467809dd288a… |
| 164.91.0.0 – 164.91.255.255 | 65,536 | US |
allocated | 1993-01-25 | 2c8b166870cf… |
| 164.92.0.0 – 164.92.63.255 | 16,384 | US |
allocated | 1993-01-25 | 66563095b555… |
| 192.41.246.0 – 192.41.246.255 | 256 | US |
allocated | 1993-01-25 | 45fe880b68a8… |
| 192.69.46.0 – 192.69.46.255 | 256 | US |
allocated | 1993-01-25 | 6b1302084a52… |
| 192.154.68.0 – 192.154.68.255 | 256 | US |
allocated | 1993-01-25 | 37d64d4406e5… |
| 192.154.69.0 – 192.154.69.255 | 256 | US |
allocated | 1993-01-25 | 37d64d4406e5… |
| 192.154.70.0 – 192.154.70.255 | 256 | US |
allocated | 1993-01-25 | 37d64d4406e5… |
| 198.17.238.0 – 198.17.238.255 | 256 | US |
allocated | 1993-01-25 | 1e7e8b26a7f5… |
| 198.17.239.0 – 198.17.239.255 | 256 | US |
allocated | 1993-01-25 | 29c22955e3ec… |
| 198.17.242.0 – 198.17.242.255 | 256 | US |
allocated | 1993-01-25 | 45fe880b68a8… |
| 198.17.245.0 – 198.17.245.255 | 256 | US |
allocated | 1993-01-25 | d6380a7662f5… |
| 198.17.246.0 – 198.17.246.255 | 256 | US |
allocated | 1993-01-25 | 8639bcc29508… |
| 198.17.247.0 – 198.17.247.255 | 256 | US |
allocated | 1993-01-25 | f1a97bc35f0e… |
| 198.17.249.0 – 198.17.249.255 | 256 | US |
allocated | 1993-01-25 | 9f14454567a6… |
| 198.17.250.0 – 198.17.250.255 | 256 | US |
allocated | 1993-01-25 | cdc65c90124b… |
| 198.17.252.0 – 198.17.252.255 | 256 | US |
allocated | 1993-01-25 | a6ee0552fa98… |
| 198.17.253.0 – 198.17.253.255 | 256 | US |
allocated | 1993-01-25 | 2d90cbf4f78e… |
| 198.17.254.0 – 198.17.254.255 | 256 | US |
allocated | 1993-01-25 | 2d90cbf4f78e… |
| 198.50.0.0 – 198.50.7.255 | 2,048 | US |
allocated | 1993-01-25 | 4c8a32e9a0c9… |
| 198.51.3.0 – 198.51.3.255 | 256 | US |
allocated | 1993-01-25 | a916ff4db081… |
| 198.51.9.0 – 198.51.9.255 | 256 | US |
allocated | 1993-01-25 | 5f1cab5df78b… |
| 198.51.10.0 – 198.51.10.255 | 256 | US |
allocated | 1993-01-25 | e677e0785fbc… |
| 198.51.11.0 – 198.51.11.255 | 256 | US |
allocated | 1993-01-25 | 0dbed8d1ffb6… |
| 198.51.13.0 – 198.51.13.255 | 256 | US |
allocated | 1993-01-25 | 5881c602acc6… |
| 198.51.15.0 – 198.51.15.255 | 256 | US |
allocated | 1993-01-25 | 0fa103b27e92… |
| 164.222.0.0 – 164.222.255.255 | 65,536 | US |
allocated | 1993-01-24 | 45fe880b68a8… |