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
1,645,582,848
📦
IPv4 networks
76,670
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,007
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.67.16.0 – 199.67.31.255 | 4,096 |  US |
allocated | 1993-12-03 | fe4882a17987… |
| 199.74.16.0 – 199.74.31.255 | 4,096 | US |
allocated | 1993-12-03 | 88a52c9c162b… |
| 199.79.16.0 – 199.79.23.255 | 2,048 | US |
allocated | 1993-12-03 | f05c55e93dd9… |
| 199.79.24.0 – 199.79.27.255 | 1,024 | US |
allocated | 1993-12-03 | f05c55e93dd9… |
| 170.3.0.0 – 170.3.255.255 | 65,536 | US |
allocated | 1993-12-02 | 565f3f728d41… |
| 170.4.0.0 – 170.4.31.255 | 8,192 | US |
allocated | 1993-12-02 | 8fcabc3da36d… |
| 170.4.64.0 – 170.4.127.255 | 16,384 | US |
allocated | 1993-12-02 | 8fcabc3da36d… |
| 170.4.128.0 – 170.4.159.255 | 8,192 | US |
allocated | 1993-12-02 | 8fcabc3da36d… |
| 170.4.160.0 – 170.4.167.255 | 2,048 | US |
allocated | 1993-12-02 | 8fcabc3da36d… |
| 170.4.208.0 – 170.4.223.255 | 4,096 | US |
allocated | 1993-12-02 | 8fcabc3da36d… |
| 170.4.224.0 – 170.4.255.255 | 8,192 | US |
allocated | 1993-12-02 | 8fcabc3da36d… |
| 198.96.96.0 – 198.96.111.255 | 4,096 |  CA |
allocated | 1993-12-02 | 515abab64380… |
| 198.161.191.0 – 198.161.191.255 | 256 | CA |
allocated | 1993-12-02 | 337210023079… |
| 198.162.14.0 – 198.162.15.255 | 512 | CA |
allocated | 1993-12-02 | fc072907188c… |
| 198.162.24.0 – 198.162.31.255 | 2,048 | CA |
allocated | 1993-12-02 | d3f824815389… |
| 198.181.64.0 – 198.181.95.255 | 8,192 | US |
allocated | 1993-12-02 | e220ed812a4c… |
| 198.181.96.0 – 198.181.111.255 | 4,096 | US |
allocated | 1993-12-02 | e220ed812a4c… |
| 198.181.112.0 – 198.181.113.255 | 512 | US |
allocated | 1993-12-02 | e220ed812a4c… |
| 198.181.215.0 – 198.181.215.255 | 256 | US |
allocated | 1993-12-02 | 6fa90eb25d71… |
| 198.181.216.0 – 198.181.216.255 | 256 | US |
allocated | 1993-12-02 | 6fa90eb25d71… |
| 198.181.217.0 – 198.181.217.255 | 256 | US |
allocated | 1993-12-02 | d503a1b74be7… |
| 198.181.218.0 – 198.181.218.255 | 256 | US |
allocated | 1993-12-02 | f19c9dc2339e… |
| 198.181.219.0 – 198.181.219.255 | 256 | US |
allocated | 1993-12-02 | 76a246e317fa… |
| 198.181.220.0 – 198.181.220.255 | 256 | US |
allocated | 1993-12-02 | 1f9545eba7ed… |
| 198.181.221.0 – 198.181.221.255 | 256 | US |
allocated | 1993-12-02 | 6fac87da7641… |
| 198.181.222.0 – 198.181.222.255 | 256 | US |
allocated | 1993-12-02 | 88583a93188c… |
| 198.181.223.0 – 198.181.223.255 | 256 | US |
allocated | 1993-12-02 | 31cd5099ffa8… |
| 198.181.224.0 – 198.181.225.255 | 512 | US |
allocated | 1993-12-02 | 31cd5099ffa8… |
| 198.181.226.0 – 198.181.226.255 | 256 | US |
allocated | 1993-12-02 | 31cd5099ffa8… |
| 198.181.227.0 – 198.181.227.255 | 256 | US |
allocated | 1993-12-02 | fe8f0d17b75c… |
| 198.181.228.0 – 198.181.228.255 | 256 | US |
allocated | 1993-12-02 | 372437a9aa1d… |
| 198.181.229.0 – 198.181.229.255 | 256 | US |
allocated | 1993-12-02 | 3a144ccad35e… |
| 198.181.231.0 – 198.181.231.255 | 256 | US |
allocated | 1993-12-02 | ffb21d106bd0… |
| 198.181.232.0 – 198.181.232.255 | 256 | US |
allocated | 1993-12-02 | 20ed71cf5df4… |
| 198.181.233.0 – 198.181.233.255 | 256 | US |
allocated | 1993-12-02 | 10c7552e4324… |
| 198.181.234.0 – 198.181.235.255 | 512 | US |
allocated | 1993-12-02 | 10c7552e4324… |
| 198.181.236.0 – 198.181.236.255 | 256 | US |
allocated | 1993-12-02 | c324eb0ece9b… |
| 198.181.237.0 – 198.181.237.255 | 256 | US |
allocated | 1993-12-02 | cdd6cc8177fd… |
| 198.181.238.0 – 198.181.238.255 | 256 | US |
allocated | 1993-12-02 | 14f4039eb22f… |
| 198.181.239.0 – 198.181.239.255 | 256 | US |
allocated | 1993-12-02 | 74fc09884236… |
| 199.10.42.0 – 199.10.42.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.43.0 – 199.10.43.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.44.0 – 199.10.44.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.45.0 – 199.10.45.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.46.0 – 199.10.46.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.47.0 – 199.10.47.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.48.0 – 199.10.48.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.49.0 – 199.10.49.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.50.0 – 199.10.50.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.51.0 – 199.10.51.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.52.0 – 199.10.52.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.53.0 – 199.10.53.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.54.0 – 199.10.54.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.56.0 – 199.10.56.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.10.111.0 – 199.10.111.255 | 256 | US |
allocated | 1993-12-02 | 45fe880b68a8… |
| 199.73.8.0 – 199.73.9.255 | 512 | US |
allocated | 1993-12-02 | d9656fc0e895… |
| 199.73.16.0 – 199.73.23.255 | 2,048 | US |
allocated | 1993-12-02 | 0e0ec5752ef2… |
| 199.73.24.0 – 199.73.24.255 | 256 | US |
allocated | 1993-12-02 | 0e0ec5752ef2… |
| 166.102.0.0 – 166.102.255.255 | 65,536 | US |
allocated | 1993-12-01 | 6c065d5b54b8… |
| 170.2.0.0 – 170.2.255.255 | 65,536 | US |
allocated | 1993-12-01 | db1746923ddc… |
| 198.22.102.0 – 198.22.102.255 | 256 | CA |
allocated | 1993-12-01 | d0206ebcdf5a… |
| 198.181.198.0 – 198.181.198.255 | 256 | US |
allocated | 1993-12-01 | d3051fc61519… |
| 198.181.202.0 – 198.181.203.255 | 512 | US |
allocated | 1993-12-01 | 37a48b24fa7a… |
| 198.181.204.0 – 198.181.205.255 | 512 | US |
allocated | 1993-12-01 | 37a48b24fa7a… |
| 198.181.206.0 – 198.181.206.255 | 256 | US |
allocated | 1993-12-01 | e55cb1d22f8e… |
| 198.181.207.0 – 198.181.207.255 | 256 | US |
allocated | 1993-12-01 | dbbc65fee9b4… |
| 198.181.208.0 – 198.181.211.255 | 1,024 | US |
allocated | 1993-12-01 | dbbc65fee9b4… |
| 198.181.212.0 – 198.181.213.255 | 512 | US |
allocated | 1993-12-01 | dbbc65fee9b4… |
| 198.252.221.0 – 198.252.221.255 | 256 | US |
allocated | 1993-12-01 | 899bd6285ddd… |
| 198.252.227.0 – 198.252.227.255 | 256 | US |
allocated | 1993-12-01 | 5a0760421e98… |
| 198.252.228.0 – 198.252.228.255 | 256 | US |
allocated | 1993-12-01 | 5a0760421e98… |
| 199.59.8.0 – 199.59.15.255 | 2,048 | US |
allocated | 1993-12-01 | 273f3c6aba5f… |
| 199.59.32.0 – 199.59.39.255 | 2,048 | US |
allocated | 1993-12-01 | 303861026a56… |
| 199.59.40.0 – 199.59.41.255 | 512 | US |
allocated | 1993-12-01 | 303861026a56… |
| 199.66.32.0 – 199.66.47.255 | 4,096 | US |
allocated | 1993-12-01 | 0596821a6910… |
| 199.66.48.0 – 199.66.51.255 | 1,024 | US |
allocated | 1993-12-01 | 0596821a6910… |
| 199.67.8.0 – 199.67.15.255 | 2,048 | US |
allocated | 1993-12-01 | 26e1ae6ed233… |
| 199.68.8.0 – 199.68.11.255 | 1,024 | US |
allocated | 1993-12-01 | 1d0262534ab0… |
| 199.68.12.0 – 199.68.13.255 | 512 | US |
allocated | 1993-12-01 | 1d0262534ab0… |
| 199.68.16.0 – 199.68.23.255 | 2,048 | US |
allocated | 1993-12-01 | 03f843b31660… |
| 199.68.24.0 – 199.68.25.255 | 512 | US |
allocated | 1993-12-01 | 03f843b31660… |
| 199.68.64.0 – 199.68.71.255 | 2,048 | US |
allocated | 1993-12-01 | dcfe3d617e6a… |
| 199.68.72.0 – 199.68.79.255 | 2,048 | US |
allocated | 1993-12-01 | c1ca0b799fda… |
| 199.68.80.0 – 199.68.95.255 | 4,096 | US |
allocated | 1993-12-01 | dcfe3d617e6a… |
| 199.68.96.0 – 199.68.99.255 | 1,024 | US |
allocated | 1993-12-01 | dcfe3d617e6a… |
| 199.68.100.0 – 199.68.101.255 | 512 | US |
allocated | 1993-12-01 | dcfe3d617e6a… |
| 199.69.0.0 – 199.69.255.255 | 65,536 | US |
allocated | 1993-12-01 | 81e05477cc28… |
| 199.70.0.0 – 199.70.255.255 | 65,536 | US |
allocated | 1993-12-01 | 81e05477cc28… |
| 199.71.72.0 – 199.71.79.255 | 2,048 | CA |
allocated | 1993-12-01 | 77ad563fee7a… |
| 199.71.91.0 – 199.71.91.255 | 256 | CA |
allocated | 1993-12-01 | 8cd22c01ec11… |
| 199.71.92.0 – 199.71.92.255 | 256 | CA |
allocated | 1993-12-01 | 6d3dd2a425b4… |
| 199.71.94.0 – 199.71.95.255 | 512 | CA |
allocated | 1993-12-01 | 17b696b398e2… |
| 199.71.123.0 – 199.71.123.255 | 256 | CA |
allocated | 1993-12-01 | 99bbfa8ae1fb… |
| 199.71.148.0 – 199.71.148.255 | 256 | CA |
allocated | 1993-12-01 | 266dd5423134… |
| 199.71.151.0 – 199.71.151.255 | 256 | CA |
allocated | 1993-12-01 | e62c4367f74f… |
| 199.71.152.0 – 199.71.152.255 | 256 | CA |
allocated | 1993-12-01 | c74aebdf2bb3… |
| 199.71.153.0 – 199.71.153.255 | 256 | CA |
allocated | 1993-12-01 | 747f980e0b83… |
| 199.71.154.0 – 199.71.154.255 | 256 | CA |
allocated | 1993-12-01 | 288209e470a7… |
| 199.71.155.0 – 199.71.155.255 | 256 | CA |
allocated | 1993-12-01 | ebbf2934c9fe… |
| 199.71.156.0 – 199.71.156.255 | 256 | CA |
allocated | 1993-12-01 | e5af829427d1… |