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
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 192.48.135.0 – 192.48.135.255 | 256 |  US |
allocated | 1989-02-21 | 37c8bfb7c81e… |
| 192.48.137.0 – 192.48.137.255 | 256 | US |
allocated | 1989-02-21 | e07b702c9cce… |
| 192.48.139.0 – 192.48.139.255 | 256 | US |
allocated | 1989-02-21 | 7ab51cccdc19… |
| 132.151.0.0 – 132.151.255.255 | 65,536 | US |
allocated | 1989-02-17 | 996832d0b00f… |
| 132.152.0.0 – 132.152.255.255 | 65,536 | US |
allocated | 1989-02-17 | bcaa059edacd… |
| 192.48.130.0 – 192.48.131.255 | 512 | US |
allocated | 1989-02-16 | e678d294c787… |
| 192.48.132.0 – 192.48.132.255 | 256 | US |
allocated | 1989-02-16 | e678d294c787… |
| 132.147.224.0 – 132.147.239.255 | 4,096 |  VI |
allocated | 1989-02-15 | e8e4beadcdd6… |
| 192.48.125.0 – 192.48.125.255 | 256 | US |
allocated | 1989-02-15 | 0555c9ccec3f… |
| 192.48.126.0 – 192.48.126.255 | 256 | US |
allocated | 1989-02-15 | b784e2f75fc1… |
| 192.48.127.0 – 192.48.127.255 | 256 | US |
allocated | 1989-02-15 | ee069b4598ea… |
| 192.48.128.0 – 192.48.129.255 | 512 | US |
allocated | 1989-02-15 | ee069b4598ea… |
| 132.144.0.0 – 132.144.255.255 | 65,536 | US |
allocated | 1989-02-14 | 45fe880b68a8… |
| 192.48.124.0 – 192.48.124.255 | 256 | US |
allocated | 1989-02-14 | 36461df0e4b1… |
| 131.252.0.0 – 131.252.255.255 | 65,536 | US |
allocated | 1989-02-13 | 337a4ff129c6… |
| 131.253.0.0 – 131.253.0.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.2.0 – 131.253.2.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.4.0 – 131.253.4.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.7.0 – 131.253.7.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.9.0 – 131.253.9.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.10.0 – 131.253.11.255 | 512 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.19.0 – 131.253.19.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.20.0 – 131.253.20.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.48.0 – 131.253.55.255 | 2,048 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.56.0 – 131.253.59.255 | 1,024 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 131.253.60.0 – 131.253.60.255 | 256 | US |
allocated | 1989-02-13 | 3a958a082b0e… |
| 192.33.240.0 – 192.33.240.255 | 256 | US |
allocated | 1989-02-13 | d2cb182d1e42… |
| 192.48.118.0 – 192.48.119.255 | 512 | US |
allocated | 1989-02-13 | b932558eb528… |
| 192.48.120.0 – 192.48.120.255 | 256 | US |
allocated | 1989-02-13 | b932558eb528… |
| 192.48.123.0 – 192.48.123.255 | 256 | US |
allocated | 1989-02-13 | 137fc6e3c033… |
| 192.48.114.0 – 192.48.114.255 | 256 | US |
allocated | 1989-02-10 | e46d50b27c27… |
| 192.48.115.0 – 192.48.115.255 | 256 | US |
allocated | 1989-02-10 | e46d50b27c27… |
| 192.48.116.0 – 192.48.116.255 | 256 | US |
allocated | 1989-02-10 | e46d50b27c27… |
| 131.37.0.0 – 131.37.255.255 | 65,536 | US |
allocated | 1989-02-09 | 45fe880b68a8… |
| 131.247.0.0 – 131.247.255.255 | 65,536 | US |
allocated | 1989-02-09 | fdb7b3fee56a… |
| 131.250.0.0 – 131.250.255.255 | 65,536 | US |
allocated | 1989-02-09 | 45fe880b68a8… |
| 132.23.0.0 – 132.23.255.255 | 65,536 | US |
allocated | 1989-02-09 | 45fe880b68a8… |
| 192.48.112.0 – 192.48.112.255 | 256 | US |
allocated | 1989-02-09 | c0a0897c9c94… |
| 131.243.0.0 – 131.243.255.255 | 65,536 | US |
allocated | 1989-02-08 | fc522e552438… |
| 192.48.108.0 – 192.48.108.255 | 256 | US |
allocated | 1989-02-07 | 0596821a6910… |
| 131.239.0.0 – 131.239.255.255 | 65,536 | US |
allocated | 1989-02-06 | 34d342be0361… |
| 131.240.0.0 – 131.240.255.255 | 65,536 | US |
allocated | 1989-02-06 | 45fe880b68a8… |
| 132.159.0.0 – 132.159.255.255 | 65,536 | US |
allocated | 1989-02-06 | 45fe880b68a8… |
| 192.48.104.0 – 192.48.104.255 | 256 | US |
allocated | 1989-02-06 | 1fb5330d6ff1… |
| 192.48.106.0 – 192.48.106.255 | 256 | US |
allocated | 1989-02-06 | 31996ede07e0… |
| 131.238.0.0 – 131.238.255.255 | 65,536 | US |
allocated | 1989-02-03 | 80e791ca969f… |
| 192.48.100.0 – 192.48.100.255 | 256 | US |
allocated | 1989-02-03 | 729678eaea93… |
| 192.48.99.0 – 192.48.99.255 | 256 | US |
allocated | 1989-02-02 | 3d64404bd7cf… |
| 192.48.95.0 – 192.48.95.255 | 256 | US |
allocated | 1989-02-01 | dc9e707cc836… |
| 192.48.96.0 – 192.48.96.255 | 256 | US |
allocated | 1989-02-01 | e220ed812a4c… |
| 131.233.0.0 – 131.233.255.255 | 65,536 | US |
allocated | 1989-01-31 | 23abb54e4210… |
| 131.235.0.0 – 131.235.255.255 | 65,536 |  CA |
allocated | 1989-01-31 | 84344661f626… |
| 192.48.94.0 – 192.48.94.255 | 256 | US |
allocated | 1989-01-31 | 2a83fbcc9aa6… |
| 131.230.0.0 – 131.230.255.255 | 65,536 | US |
allocated | 1989-01-30 | dc9f8dca2b4b… |
| 131.232.0.0 – 131.232.255.255 | 65,536 | CA |
allocated | 1989-01-30 | b58dca1cd984… |
| 192.48.93.0 – 192.48.93.255 | 256 | US |
allocated | 1989-01-30 | 22f0c0fc9442… |
| 131.229.0.0 – 131.229.127.255 | 32,768 | US |
allocated | 1989-01-27 | 2a10cb2b9cdc… |
| 192.48.81.0 – 192.48.81.255 | 256 | US |
allocated | 1989-01-26 | 00f10268e827… |
| 192.48.40.0 – 192.48.47.255 | 2,048 | US |
allocated | 1989-01-25 | 7c272239f8f0… |
| 192.48.48.0 – 192.48.63.255 | 4,096 | US |
allocated | 1989-01-25 | 7c272239f8f0… |
| 192.48.64.0 – 192.48.71.255 | 2,048 | US |
allocated | 1989-01-25 | 7c272239f8f0… |
| 192.48.72.0 – 192.48.75.255 | 1,024 | US |
allocated | 1989-01-25 | 7c272239f8f0… |
| 192.48.76.0 – 192.48.76.255 | 256 | US |
allocated | 1989-01-25 | 7c272239f8f0… |
| 192.48.78.0 – 192.48.78.255 | 256 | US |
allocated | 1989-01-25 | 45fe880b68a8… |
| 192.48.80.0 – 192.48.80.255 | 256 | US |
allocated | 1989-01-25 | 2784ce9dbeb2… |
| 131.215.0.0 – 131.215.255.255 | 65,536 | US |
allocated | 1989-01-19 | e8d4bb82379d… |
| 131.216.0.0 – 131.216.255.255 | 65,536 | US |
allocated | 1989-01-19 | 3e1231fe0f3c… |
| 131.218.0.0 – 131.218.255.255 | 65,536 | US |
allocated | 1989-01-19 | 45fe880b68a8… |
| 131.219.0.0 – 131.219.255.255 | 65,536 | US |
allocated | 1989-01-19 | 720610ba117e… |
| 192.48.34.0 – 192.48.34.255 | 256 | US |
allocated | 1989-01-18 | 981d75d0be57… |
| 131.210.0.0 – 131.210.255.255 | 65,536 | US |
allocated | 1989-01-17 | dcf3f124eb95… |
| 131.212.0.0 – 131.212.255.255 | 65,536 | US |
allocated | 1989-01-17 | 252351fbc17c… |
| 129.117.0.0 – 129.117.255.255 | 65,536 | US |
allocated | 1989-01-16 | 5942bda53f50… |
| 131.208.0.0 – 131.208.255.255 | 65,536 | US |
allocated | 1989-01-16 | 2c8b166870cf… |
| 131.209.0.0 – 131.209.255.255 | 65,536 | US |
allocated | 1989-01-16 | 2c1250a09af7… |
| 192.47.254.0 – 192.47.254.255 | 256 | US |
allocated | 1989-01-16 | 2784ce9dbeb2… |
| 192.48.0.0 – 192.48.15.255 | 4,096 | US |
allocated | 1989-01-16 | e1ed1885c9ce… |
| 192.48.16.0 – 192.48.23.255 | 2,048 | US |
allocated | 1989-01-16 | e1ed1885c9ce… |
| 192.48.24.0 – 192.48.27.255 | 1,024 | US |
allocated | 1989-01-16 | e1ed1885c9ce… |
| 192.48.28.0 – 192.48.29.255 | 512 | US |
allocated | 1989-01-16 | e1ed1885c9ce… |
| 192.48.30.0 – 192.48.30.255 | 256 | US |
allocated | 1989-01-16 | e1ed1885c9ce… |
| 192.42.243.0 – 192.42.243.255 | 256 | US |
allocated | 1989-01-13 | 4d9a37608d72… |
| 192.52.67.0 – 192.52.67.255 | 256 | US |
allocated | 1989-01-13 | 4d9a37608d72… |
| 192.52.68.0 – 192.52.68.255 | 256 | US |
allocated | 1989-01-13 | 4d9a37608d72… |
| 192.52.69.0 – 192.52.69.255 | 256 | US |
allocated | 1989-01-13 | bc7b23b81b71… |
| 192.43.254.0 – 192.43.254.255 | 256 | US |
allocated | 1989-01-12 | 7a7281e9b52f… |
| 192.44.253.0 – 192.44.253.255 | 256 | US |
allocated | 1989-01-12 | 45fe880b68a8… |
| 192.47.242.0 – 192.47.242.255 | 256 | US |
allocated | 1989-01-12 | e46d50b27c27… |
| 192.47.243.0 – 192.47.243.255 | 256 | US |
allocated | 1989-01-12 | 2784ce9dbeb2… |
| 131.204.0.0 – 131.204.255.255 | 65,536 | US |
allocated | 1989-01-11 | c210fa1d6d30… |
| 192.43.252.0 – 192.43.252.255 | 256 | US |
allocated | 1989-01-11 | d57c1a0e7da3… |
| 192.43.253.0 – 192.43.253.255 | 256 | US |
allocated | 1989-01-11 | 45fe880b68a8… |
| 131.33.0.0 – 131.33.255.255 | 65,536 | US |
allocated | 1989-01-10 | 45fe880b68a8… |
| 131.35.0.0 – 131.35.255.255 | 65,536 | US |
allocated | 1989-01-10 | 45fe880b68a8… |
| 131.36.0.0 – 131.36.255.255 | 65,536 | US |
allocated | 1989-01-10 | 45fe880b68a8… |
| 131.40.0.0 – 131.40.255.255 | 65,536 | US |
allocated | 1989-01-10 | 45fe880b68a8… |
| 131.43.0.0 – 131.43.255.255 | 65,536 | US |
allocated | 1989-01-10 | 45fe880b68a8… |
| 131.201.0.0 – 131.201.255.255 | 65,536 | US |
allocated | 1989-01-10 | 39dc15d1b9cc… |
| 131.202.0.0 – 131.202.255.255 | 65,536 | CA |
allocated | 1989-01-10 | 6ca4c1ceb36c… |
| 192.43.251.0 – 192.43.251.255 | 256 | US |
allocated | 1989-01-10 | fe3a20e9c47c… |