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 |
|---|---|---|---|---|---|
| 129.253.128.0 – 129.253.191.255 | 16,384 |  US |
allocated | 1988-04-08 | a20724ed852c… |
| 129.253.192.0 – 129.253.255.255 | 16,384 | US |
allocated | 1988-04-08 | 42e022f24871… |
| 129.252.0.0 – 129.252.255.255 | 65,536 | US |
allocated | 1988-04-07 | 5b3d70aa8194… |
| 192.35.134.0 – 192.35.134.255 | 256 | US |
allocated | 1988-04-07 | 9b41255c6e4f… |
| 192.35.135.0 – 192.35.135.255 | 256 | US |
allocated | 1988-04-07 | 9b41255c6e4f… |
| 192.35.136.0 – 192.35.136.255 | 256 | US |
allocated | 1988-04-07 | 9b41255c6e4f… |
| 192.35.137.0 – 192.35.137.255 | 256 | US |
allocated | 1988-04-07 | 9b41255c6e4f… |
| 129.251.0.0 – 129.251.255.255 | 65,536 | US |
allocated | 1988-04-06 | 45fe880b68a8… |
| 129.250.0.0 – 129.250.255.255 | 65,536 | US |
allocated | 1988-04-05 | 9f14454567a6… |
| 192.35.109.0 – 192.35.109.255 | 256 | US |
allocated | 1988-04-05 | 7c272239f8f0… |
| 192.35.110.0 – 192.35.111.255 | 512 | US |
allocated | 1988-04-05 | 7c272239f8f0… |
| 192.35.112.0 – 192.35.119.255 | 2,048 | US |
allocated | 1988-04-05 | 7c272239f8f0… |
| 192.35.120.0 – 192.35.123.255 | 1,024 | US |
allocated | 1988-04-05 | 7c272239f8f0… |
| 192.35.124.0 – 192.35.125.255 | 512 | US |
allocated | 1988-04-05 | 7c272239f8f0… |
| 192.35.126.0 – 192.35.126.255 | 256 | US |
allocated | 1988-04-05 | 7c272239f8f0… |
| 129.248.0.0 – 129.248.255.255 | 65,536 | US |
allocated | 1988-04-01 | 2c8b2bf4523d… |
| 192.35.105.0 – 192.35.105.255 | 256 | US |
allocated | 1988-03-31 | df786707b748… |
| 192.35.106.0 – 192.35.106.255 | 256 | US |
allocated | 1988-03-31 | 0596821a6910… |
| 192.35.107.0 – 192.35.107.255 | 256 | US |
allocated | 1988-03-31 | 2a4baf4c524b… |
| 192.35.74.0 – 192.35.74.255 | 256 | US |
allocated | 1988-03-30 | 45fe880b68a8… |
| 192.35.75.0 – 192.35.75.255 | 256 | US |
allocated | 1988-03-30 | 45fe880b68a8… |
| 192.35.76.0 – 192.35.76.255 | 256 | US |
allocated | 1988-03-30 | 45fe880b68a8… |
| 192.35.77.0 – 192.35.77.255 | 256 | US |
allocated | 1988-03-30 | 989f9224db7a… |
| 192.35.78.0 – 192.35.78.255 | 256 | US |
allocated | 1988-03-30 | 6ecf2264f13c… |
| 129.245.0.0 – 129.245.255.255 | 65,536 | US |
allocated | 1988-03-29 | 7347b13c724c… |
| 129.246.0.0 – 129.246.255.255 | 65,536 | US |
allocated | 1988-03-29 | d8f04d1657b9… |
| 192.35.102.0 – 192.35.102.255 | 256 | US |
allocated | 1988-03-29 | 013e0c2b4c37… |
| 129.244.0.0 – 129.244.255.255 | 65,536 | US |
allocated | 1988-03-28 | c47a72e840f5… |
| 192.35.100.0 – 192.35.100.255 | 256 | US |
allocated | 1988-03-28 | b330aaff4f05… |
| 192.35.101.0 – 192.35.101.255 | 256 | US |
allocated | 1988-03-28 | 613693c0529d… |
| 192.35.96.0 – 192.35.96.255 | 256 | US |
allocated | 1988-03-25 | 991cf91104c8… |
| 192.35.97.0 – 192.35.97.255 | 256 | US |
allocated | 1988-03-25 | 991cf91104c8… |
| 192.35.98.0 – 192.35.98.255 | 256 | US |
allocated | 1988-03-25 | 991cf91104c8… |
| 192.35.99.0 – 192.35.99.255 | 256 | US |
allocated | 1988-03-25 | 45fe880b68a8… |
| 129.237.0.0 – 129.237.255.255 | 65,536 | US |
allocated | 1988-03-21 | 4191a3d270f5… |
| 129.238.0.0 – 129.238.255.255 | 65,536 | US |
allocated | 1988-03-18 | 45fe880b68a8… |
| 192.35.91.0 – 192.35.91.255 | 256 | US |
allocated | 1988-03-18 | 9dbebbc8de3e… |
| 192.35.95.0 – 192.35.95.255 | 256 | US |
allocated | 1988-03-18 | 314c3c72e9a1… |
| 129.186.0.0 – 129.186.255.255 | 65,536 | US |
allocated | 1988-03-17 | 9b34f134c638… |
| 192.35.88.0 – 192.35.88.255 | 256 | US |
allocated | 1988-03-17 | 45fe880b68a8… |
| 192.35.89.0 – 192.35.89.255 | 256 | US |
allocated | 1988-03-17 | b7f4dbefd517… |
| 129.236.0.0 – 129.236.255.255 | 65,536 | US |
allocated | 1988-03-16 | 69ab8bf272c8… |
| 192.35.86.0 – 192.35.86.255 | 256 | US |
allocated | 1988-03-15 | 252351fbc17c… |
| 192.35.87.0 – 192.35.87.255 | 256 | US |
allocated | 1988-03-15 | 5cbc764daeac… |
| 128.123.0.0 – 128.123.255.255 | 65,536 | US |
allocated | 1988-03-11 | 8fd6f35a8a48… |
| 129.121.0.0 – 129.121.255.255 | 65,536 | US |
allocated | 1988-03-11 | 154217bf09a4… |
| 129.231.0.0 – 129.231.255.255 | 65,536 | US |
allocated | 1988-03-11 | 5f6095e5c918… |
| 192.35.82.0 – 192.35.82.255 | 256 | US |
allocated | 1988-03-11 | 4efd5c710955… |
| 192.35.83.0 – 192.35.83.255 | 256 | US |
allocated | 1988-03-11 | 4d9a37608d72… |
| 192.35.84.0 – 192.35.84.255 | 256 | US |
allocated | 1988-03-11 | a173e43ca8ce… |
| 129.230.0.0 – 129.230.127.255 | 32,768 | US |
allocated | 1988-03-10 | 05353bc54159… |
| 129.230.128.0 – 129.230.159.255 | 8,192 | US |
allocated | 1988-03-10 | 05353bc54159… |
| 129.230.160.0 – 129.230.175.255 | 4,096 | US |
allocated | 1988-03-10 | 05353bc54159… |
| 129.230.176.0 – 129.230.191.255 | 4,096 | US |
allocated | 1988-03-10 | 3e3175af3b89… |
| 129.230.192.0 – 129.230.255.255 | 16,384 | US |
allocated | 1988-03-10 | 3e3175af3b89… |
| 129.2.0.0 – 129.2.255.255 | 65,536 | US |
allocated | 1988-03-09 | 38c154f2604f… |
| 129.3.0.0 – 129.3.255.255 | 65,536 | US |
allocated | 1988-03-09 | afb57c602906… |
| 129.4.0.0 – 129.4.255.255 | 65,536 | US |
allocated | 1988-03-09 | a173e43ca8ce… |
| 129.229.0.0 – 129.229.255.255 | 65,536 | US |
allocated | 1988-03-09 | 45fe880b68a8… |
| 192.35.81.0 – 192.35.81.255 | 256 | US |
allocated | 1988-03-09 | dcf3f124eb95… |
| 129.228.64.0 – 129.228.127.255 | 16,384 | US |
allocated | 1988-03-07 | a5f08e959395… |
| 129.228.128.0 – 129.228.255.255 | 32,768 | US |
allocated | 1988-03-07 | 37ccdb7fd3c2… |
| 192.35.80.0 – 192.35.80.255 | 256 | US |
allocated | 1988-03-07 | 45fe880b68a8… |
| 129.22.0.0 – 129.22.255.255 | 65,536 | US |
allocated | 1988-03-03 | c33378895093… |
| 129.176.0.0 – 129.176.255.255 | 65,536 | US |
allocated | 1988-03-03 | 020e989cc1d2… |
| 129.218.0.0 – 129.218.255.255 | 65,536 | US |
allocated | 1988-03-03 | a5233c3f9c47… |
| 129.219.0.0 – 129.219.255.255 | 65,536 | US |
allocated | 1988-03-03 | b62ba115efc8… |
| 192.35.79.0 – 192.35.79.255 | 256 | US |
allocated | 1988-03-03 | 65fa3f112883… |
| 192.35.73.0 – 192.35.73.255 | 256 | US |
allocated | 1988-03-02 | db4982d96df4… |
| 129.216.0.0 – 129.216.255.255 | 65,536 | US |
allocated | 1988-03-01 | 3c7495d34831… |
| 192.35.62.0 – 192.35.62.255 | 256 | US |
allocated | 1988-03-01 | 45fe880b68a8… |
| 192.35.50.0 – 192.35.50.255 | 256 | US |
allocated | 1988-02-26 | 662835d72b38… |
| 192.35.48.0 – 192.35.48.255 | 256 | US |
allocated | 1988-02-25 | 8c78747c6d11… |
| 192.35.49.0 – 192.35.49.255 | 256 | US |
allocated | 1988-02-25 | 8c78747c6d11… |
| 192.35.45.0 – 192.35.45.255 | 256 | US |
allocated | 1988-02-23 | e57cc457e757… |
| 192.35.46.0 – 192.35.46.255 | 256 | US |
allocated | 1988-02-23 | 5bae91ccd0ba… |
| 192.35.47.0 – 192.35.47.255 | 256 | US |
allocated | 1988-02-23 | 5bae91ccd0ba… |
| 129.210.0.0 – 129.210.255.255 | 65,536 | US |
allocated | 1988-02-19 | e2c4eae20f4f… |
| 192.33.253.0 – 192.33.253.255 | 256 | US |
allocated | 1988-02-19 | de78695919e0… |
| 129.207.0.0 – 129.207.255.255 | 65,536 | US |
allocated | 1988-02-18 | ebc131cd6b8a… |
| 129.209.0.0 – 129.209.255.255 | 65,536 | US |
allocated | 1988-02-18 | 45fe880b68a8… |
| 192.33.241.0 – 192.33.241.255 | 256 | US |
allocated | 1988-02-18 | ace55d4dc090… |
| 192.33.242.0 – 192.33.243.255 | 512 | US |
allocated | 1988-02-18 | ace55d4dc090… |
| 192.33.244.0 – 192.33.247.255 | 1,024 | US |
allocated | 1988-02-18 | ace55d4dc090… |
| 192.33.248.0 – 192.33.249.255 | 512 | US |
allocated | 1988-02-18 | ace55d4dc090… |
| 192.33.250.0 – 192.33.250.255 | 256 | US |
allocated | 1988-02-18 | ace55d4dc090… |
| 129.198.0.0 – 129.198.255.255 | 65,536 | US |
allocated | 1988-02-17 | 45fe880b68a8… |
| 129.173.0.0 – 129.173.255.255 | 65,536 |  CA |
allocated | 1988-02-16 | d59ea33ac2df… |
| 129.201.0.0 – 129.201.255.255 | 65,536 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 129.202.0.0 – 129.202.255.255 | 65,536 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.28.100.0 – 192.28.103.255 | 1,024 | US |
allocated | 1988-02-16 | ce4419bfa21e… |
| 192.28.104.0 – 192.28.107.255 | 1,024 | US |
allocated | 1988-02-16 | ce4419bfa21e… |
| 192.28.108.0 – 192.28.109.255 | 512 | US |
allocated | 1988-02-16 | ce4419bfa21e… |
| 192.28.110.0 – 192.28.111.255 | 512 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.28.112.0 – 192.28.119.255 | 2,048 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.28.132.0 – 192.28.135.255 | 1,024 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.28.136.0 – 192.28.139.255 | 1,024 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.28.140.0 – 192.28.143.255 | 1,024 | US |
allocated | 1988-02-16 | ce4419bfa21e… |
| 192.28.192.0 – 192.28.255.255 | 16,384 | US |
allocated | 1988-02-16 | ce4419bfa21e… |
| 192.31.46.0 – 192.31.46.255 | 256 | US |
allocated | 1988-02-16 | 77cf484ac978… |