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 |
|---|---|---|---|---|---|
| 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… |
| 192.35.20.0 – 192.35.20.255 | 256 | US |
allocated | 1988-02-16 | 44fb01556e7b… |
| 192.35.21.0 – 192.35.21.255 | 256 | US |
allocated | 1988-02-16 | a5233c3f9c47… |
| 192.35.22.0 – 192.35.23.255 | 512 | US |
allocated | 1988-02-16 | a5233c3f9c47… |
| 192.35.24.0 – 192.35.24.255 | 256 | US |
allocated | 1988-02-16 | a5233c3f9c47… |
| 192.35.25.0 – 192.35.25.255 | 256 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.26.0 – 192.35.27.255 | 512 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.28.0 – 192.35.28.255 | 256 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.35.29.0 – 192.35.29.255 | 256 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.30.0 – 192.35.31.255 | 512 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.32.0 – 192.35.32.255 | 256 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.35.33.0 – 192.35.33.255 | 256 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.34.0 – 192.35.34.255 | 256 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.35.0 – 192.35.35.255 | 256 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.35.36.0 – 192.35.36.255 | 256 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.35.37.0 – 192.35.37.255 | 256 | US |
allocated | 1988-02-16 | 0596821a6910… |
| 192.35.38.0 – 192.35.39.255 | 512 | US |
allocated | 1988-02-16 | b38f9b23fd4a… |
| 192.35.40.0 – 192.35.41.255 | 512 | US |
allocated | 1988-02-16 | b38f9b23fd4a… |
| 192.35.42.0 – 192.35.42.255 | 256 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 192.35.43.0 – 192.35.43.255 | 256 | US |
allocated | 1988-02-16 | 78fc833c0b8b… |
| 129.200.0.0 – 129.200.255.255 | 65,536 | US |
allocated | 1988-02-12 | e1ed1885c9ce… |
| 192.26.48.0 – 192.26.48.255 | 256 | US |
allocated | 1988-02-12 | 9a98f94567ed… |
| 129.57.0.0 – 129.57.255.255 | 65,536 | US |
allocated | 1988-02-10 | 2b8309339680… |
| 129.196.0.0 – 129.196.255.255 | 65,536 | US |
allocated | 1988-02-09 | 985f24ea1d03… |
| 131.249.0.0 – 131.249.255.255 | 65,536 | US |
allocated | 1988-02-09 | 8870964beb4f… |
| 192.31.25.0 – 192.31.25.255 | 256 | US |
allocated | 1988-02-09 | 87784bb42f96… |
| 129.193.0.0 – 129.193.255.255 | 65,536 | US |
allocated | 1988-02-05 | a173e43ca8ce… |
| 129.191.0.0 – 129.191.255.255 | 65,536 | US |
allocated | 1988-02-04 | ace55d4dc090… |
| 129.190.0.0 – 129.190.255.255 | 65,536 | US |
allocated | 1988-01-28 | 45fe880b68a8… |
| 129.188.0.0 – 129.188.255.255 | 65,536 | US |
allocated | 1988-01-27 | de3dfed3d6d9… |
| 192.31.17.0 – 192.31.17.255 | 256 | US |
allocated | 1988-01-27 | 45fe880b68a8… |
| 129.171.0.0 – 129.171.255.255 | 65,536 | US |
allocated | 1988-01-21 | d756d4b9399a… |
| 192.33.190.0 – 192.33.190.255 | 256 | US |
allocated | 1988-01-21 | b136ef5f6a01… |
| 192.31.87.0 – 192.31.87.255 | 256 | US |
allocated | 1988-01-20 | ff311f362a80… |
| 192.31.88.0 – 192.31.88.255 | 256 | US |
allocated | 1988-01-20 | 28bef9cf7e9c… |
| 192.31.89.0 – 192.31.89.255 | 256 | US |
allocated | 1988-01-20 | d756d4b9399a… |
| 129.179.0.0 – 129.179.255.255 | 65,536 | US |
allocated | 1988-01-18 | eee4911c1d68… |
| 192.12.251.0 – 192.12.251.255 | 256 | US |
allocated | 1988-01-18 | eee4911c1d68… |
| 129.172.0.0 – 129.172.255.255 | 65,536 | US |
allocated | 1988-01-12 | e1ed1885c9ce… |
| 129.174.0.0 – 129.174.255.255 | 65,536 | US |
allocated | 1988-01-12 | 52edb2f0dd77… |
| 192.33.187.0 – 192.33.187.255 | 256 | US |
allocated | 1988-01-12 | 7b07578696b3… |
| 192.33.188.0 – 192.33.188.255 | 256 | US |
allocated | 1988-01-12 | 3936a0678a81… |
| 192.33.186.0 – 192.33.186.255 | 256 | US |
allocated | 1988-01-08 | 45fe880b68a8… |
| 192.33.185.0 – 192.33.185.255 | 256 | US |
allocated | 1988-01-05 | 45fe880b68a8… |
| 129.162.0.0 – 129.162.255.255 | 65,536 | US |
allocated | 1988-01-04 | 4c43086a62bd… |
| 129.163.0.0 – 129.163.255.255 | 65,536 | US |
allocated | 1988-01-04 | 2d90cbf4f78e… |
| 129.164.0.0 – 129.164.255.255 | 65,536 | US |
allocated | 1988-01-04 | 2d90cbf4f78e… |
| 129.165.0.0 – 129.165.255.255 | 65,536 | US |
allocated | 1988-01-04 | 2d90cbf4f78e… |
| 129.166.0.0 – 129.166.255.255 | 65,536 | US |
allocated | 1988-01-04 | 2d90cbf4f78e… |
| 129.167.0.0 – 129.167.255.255 | 65,536 | US |
allocated | 1988-01-04 | 2d90cbf4f78e… |
| 129.168.0.0 – 129.168.255.255 | 65,536 | US |
allocated | 1988-01-04 | 2d90cbf4f78e… |
| 192.33.183.0 – 192.33.183.255 | 256 | US |
allocated | 1988-01-04 | 45fe880b68a8… |
| 192.33.184.0 – 192.33.184.255 | 256 | US |
allocated | 1988-01-04 | 45fe880b68a8… |
| 129.161.0.0 – 129.161.255.255 | 65,536 | US |
allocated | 1987-12-24 | c160cdf1d432… |
| 129.141.0.0 – 129.141.255.255 | 65,536 | US |
allocated | 1987-12-21 | 45fe880b68a8… |