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 |
|---|---|---|---|---|---|
| 199.71.157.0 – 199.71.157.255 | 256 |  CA |
allocated | 1993-12-01 | c3a4ac1f150d… |
| 199.71.158.0 – 199.71.158.255 | 256 | CA |
allocated | 1993-12-01 | ea51c791f810… |
| 199.71.161.0 – 199.71.161.255 | 256 | CA |
allocated | 1993-12-01 | 3764a1618fcd… |
| 166.101.0.0 – 166.101.255.255 | 65,536 |  US |
allocated | 1993-11-30 | e220ed812a4c… |
| 167.255.0.0 – 167.255.255.255 | 65,536 | US |
allocated | 1993-11-30 | 3a71f3ed54fa… |
| 170.1.0.0 – 170.1.255.255 | 65,536 | US |
allocated | 1993-11-30 | 7be08d04e699… |
| 192.197.248.0 – 192.197.248.255 | 256 | CA |
allocated | 1993-11-30 | df4b46f1127c… |
| 198.96.84.0 – 198.96.87.255 | 1,024 | CA |
allocated | 1993-11-30 | a011c4150a8e… |
| 198.181.173.0 – 198.181.173.255 | 256 | US |
allocated | 1993-11-30 | 3af41d69b328… |
| 198.181.174.0 – 198.181.174.255 | 256 | US |
allocated | 1993-11-30 | 6cee9bc2ed2a… |
| 198.181.175.0 – 198.181.175.255 | 256 | US |
allocated | 1993-11-30 | b76717df2d71… |
| 198.181.176.0 – 198.181.176.255 | 256 | US |
allocated | 1993-11-30 | 761cae234a19… |
| 198.181.177.0 – 198.181.177.255 | 256 | US |
allocated | 1993-11-30 | 13de5188cec7… |
| 198.181.179.0 – 198.181.179.255 | 256 | US |
allocated | 1993-11-30 | 95a8de20567e… |
| 198.181.180.0 – 198.181.180.255 | 256 | US |
allocated | 1993-11-30 | 6a963549782e… |
| 198.181.181.0 – 198.181.181.255 | 256 | US |
allocated | 1993-11-30 | 009352da55e1… |
| 198.181.185.0 – 198.181.185.255 | 256 | US |
allocated | 1993-11-30 | bc196c9f26b7… |
| 198.181.186.0 – 198.181.186.255 | 256 | US |
allocated | 1993-11-30 | 4416239c5d1c… |
| 198.181.187.0 – 198.181.187.255 | 256 | US |
allocated | 1993-11-30 | f870c53341b1… |
| 198.181.188.0 – 198.181.188.255 | 256 | US |
allocated | 1993-11-30 | c8bc51f9aea4… |
| 198.181.189.0 – 198.181.189.255 | 256 | US |
allocated | 1993-11-30 | 7091b3a67626… |
| 198.181.190.0 – 198.181.190.255 | 256 | US |
allocated | 1993-11-30 | 459b0ca91dd9… |
| 198.181.191.0 – 198.181.191.255 | 256 | US |
allocated | 1993-11-30 | 6870104ebd0f… |
| 198.181.192.0 – 198.181.192.255 | 256 | US |
allocated | 1993-11-30 | 6870104ebd0f… |
| 198.181.193.0 – 198.181.193.255 | 256 | US |
allocated | 1993-11-30 | d25cd3888c57… |
| 198.181.194.0 – 198.181.194.255 | 256 | US |
allocated | 1993-11-30 | d25cd3888c57… |
| 198.181.195.0 – 198.181.195.255 | 256 | US |
allocated | 1993-11-30 | d25cd3888c57… |
| 198.181.196.0 – 198.181.196.255 | 256 | US |
allocated | 1993-11-30 | 419c17a19935… |
| 198.181.197.0 – 198.181.197.255 | 256 | US |
allocated | 1993-11-30 | 419c17a19935… |
| 198.252.207.0 – 198.252.207.255 | 256 | US |
allocated | 1993-11-30 | 228fa1967276… |
| 198.252.208.0 – 198.252.209.255 | 512 | US |
allocated | 1993-11-30 | c94a4d713d9f… |
| 198.252.210.0 – 198.252.210.255 | 256 | US |
allocated | 1993-11-30 | 45ccb8947485… |
| 198.252.211.0 – 198.252.211.255 | 256 | US |
allocated | 1993-11-30 | 5e7685b67be6… |
| 198.252.212.0 – 198.252.215.255 | 1,024 | US |
allocated | 1993-11-30 | 111541c9bb76… |
| 198.252.216.0 – 198.252.217.255 | 512 | US |
allocated | 1993-11-30 | 111541c9bb76… |
| 198.252.218.0 – 198.252.218.255 | 256 | US |
allocated | 1993-11-30 | f46c1c0b92b7… |
| 198.252.219.0 – 198.252.219.255 | 256 | US |
allocated | 1993-11-30 | aec0258b0108… |
| 198.252.220.0 – 198.252.220.255 | 256 | US |
allocated | 1993-11-30 | aec0258b0108… |
| 199.10.100.0 – 199.10.100.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.101.0 – 199.10.101.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.102.0 – 199.10.102.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.103.0 – 199.10.103.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.104.0 – 199.10.104.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.106.0 – 199.10.106.255 | 256 | US |
allocated | 1993-11-30 | f762d2b5e413… |
| 199.10.107.0 – 199.10.107.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.108.0 – 199.10.109.255 | 512 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.110.0 – 199.10.110.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.10.120.0 – 199.10.120.255 | 256 | US |
allocated | 1993-11-30 | 45fe880b68a8… |
| 199.46.8.0 – 199.46.15.255 | 2,048 | US |
allocated | 1993-11-30 | 6aa254e795f3… |
| 199.67.0.0 – 199.67.7.255 | 2,048 | US |
allocated | 1993-11-30 | 267e9e66364f… |
| 198.96.117.0 – 198.96.117.255 | 256 | CA |
allocated | 1993-11-29 | 3133b124a0e3… |
| 198.96.118.0 – 198.96.119.255 | 512 | CA |
allocated | 1993-11-29 | 3133b124a0e3… |
| 198.161.28.0 – 198.161.31.255 | 1,024 | CA |
allocated | 1993-11-29 | cd70a195ea01… |
| 198.252.194.0 – 198.252.195.255 | 512 | US |
allocated | 1993-11-29 | 9f14454567a6… |
| 198.252.196.0 – 198.252.199.255 | 1,024 | US |
allocated | 1993-11-29 | 5f94975af0c2… |
| 199.46.0.0 – 199.46.7.255 | 2,048 | US |
allocated | 1993-11-29 | 82362554a370… |
| 139.173.0.0 – 139.173.255.255 | 65,536 | CA |
allocated | 1993-11-26 | b77317ab42b2… |
| 142.191.0.0 – 142.191.255.255 | 65,536 | CA |
allocated | 1993-11-26 | c8bae1572cdf… |
| 166.98.0.0 – 166.98.255.255 | 65,536 | US |
allocated | 1993-11-26 | 9bae944cc155… |
| 198.162.20.0 – 198.162.23.255 | 1,024 | CA |
allocated | 1993-11-26 | 0d84b7f395fc… |
| 198.163.74.0 – 198.163.74.255 | 256 | US |
allocated | 1993-11-26 | f5916e199dfd… |
| 198.168.228.0 – 198.168.231.255 | 1,024 | CA |
allocated | 1993-11-26 | 25eabb6c637c… |
| 198.168.232.0 – 198.168.233.255 | 512 | CA |
allocated | 1993-11-26 | 25eabb6c637c… |
| 198.181.164.0 – 198.181.164.255 | 256 | US |
allocated | 1993-11-26 | 34510ba0acb6… |
| 198.181.165.0 – 198.181.165.255 | 256 | US |
allocated | 1993-11-26 | c674cd5d9ce5… |
| 198.181.169.0 – 198.181.169.255 | 256 | US |
allocated | 1993-11-26 | a0f3cf10ed92… |
| 198.181.170.0 – 198.181.171.255 | 512 | US |
allocated | 1993-11-26 | a0f3cf10ed92… |
| 198.181.172.0 – 198.181.172.255 | 256 | US |
allocated | 1993-11-26 | a0f3cf10ed92… |
| 198.252.181.0 – 198.252.181.255 | 256 | US |
allocated | 1993-11-26 | c4a5a11548de… |
| 198.252.182.0 – 198.252.182.255 | 256 | US |
allocated | 1993-11-26 | 6666934f7458… |
| 198.252.183.0 – 198.252.183.255 | 256 | US |
allocated | 1993-11-26 | 686700c37912… |
| 198.252.184.0 – 198.252.184.255 | 256 | US |
allocated | 1993-11-26 | b889166920b9… |
| 198.252.185.0 – 198.252.185.255 | 256 | US |
allocated | 1993-11-26 | f64ab60f2c6e… |
| 198.252.186.0 – 198.252.186.255 | 256 | US |
allocated | 1993-11-26 | 6a4407917362… |
| 198.252.187.0 – 198.252.187.255 | 256 | US |
allocated | 1993-11-26 | 005d8a9c194f… |
| 198.252.188.0 – 198.252.188.255 | 256 | US |
allocated | 1993-11-26 | dc3081be078a… |
| 198.252.189.0 – 198.252.189.255 | 256 | US |
allocated | 1993-11-26 | 137872aacb80… |
| 198.252.190.0 – 198.252.191.255 | 512 | US |
allocated | 1993-11-26 | 137872aacb80… |
| 198.252.192.0 – 198.252.193.255 | 512 | US |
allocated | 1993-11-26 | 137872aacb80… |
| 199.66.0.0 – 199.66.7.255 | 2,048 | US |
allocated | 1993-11-26 | fce17101b9cc… |
| 199.66.16.0 – 199.66.23.255 | 2,048 | US |
allocated | 1993-11-26 | e220ed812a4c… |
| 199.66.24.0 – 199.66.27.255 | 1,024 | US |
allocated | 1993-11-26 | e220ed812a4c… |
| 199.66.28.0 – 199.66.29.255 | 512 | US |
allocated | 1993-11-26 | e220ed812a4c… |
| 167.248.128.0 – 167.248.131.255 | 1,024 | US |
allocated | 1993-11-24 | 192a5bc16b0e… |
| 167.248.132.0 – 167.248.132.255 | 256 | US |
allocated | 1993-11-24 | 192a5bc16b0e… |
| 167.251.0.0 – 167.251.255.255 | 65,536 | US |
allocated | 1993-11-24 | 3be101b88546… |
| 198.168.225.0 – 198.168.225.255 | 256 | CA |
allocated | 1993-11-24 | d8c7e8f4da61… |
| 198.168.226.0 – 198.168.227.255 | 512 | CA |
allocated | 1993-11-24 | d8c7e8f4da61… |
| 198.181.140.0 – 198.181.140.255 | 256 | US |
allocated | 1993-11-24 | 2d594996c070… |
| 198.181.142.0 – 198.181.142.255 | 256 | US |
allocated | 1993-11-24 | 84e145771301… |
| 198.181.143.0 – 198.181.143.255 | 256 | US |
allocated | 1993-11-24 | 4beaf7aefe95… |
| 198.181.144.0 – 198.181.147.255 | 1,024 | US |
allocated | 1993-11-24 | 7d0a57598d55… |
| 198.181.148.0 – 198.181.148.255 | 256 | US |
allocated | 1993-11-24 | 7ecbe2875a8e… |
| 198.181.149.0 – 198.181.149.255 | 256 | US |
allocated | 1993-11-24 | d635c84c6cad… |
| 198.181.150.0 – 198.181.150.255 | 256 | US |
allocated | 1993-11-24 | ae7c408d46f7… |
| 198.181.151.0 – 198.181.151.255 | 256 | US |
allocated | 1993-11-24 | 813b9ba36df4… |
| 198.181.152.0 – 198.181.152.255 | 256 | US |
allocated | 1993-11-24 | 97016cbbeae9… |
| 198.181.155.0 – 198.181.155.255 | 256 | US |
allocated | 1993-11-24 | dcefe433a91a… |
| 198.181.156.0 – 198.181.156.255 | 256 | US |
allocated | 1993-11-24 | 852fc716243c… |
| 198.181.157.0 – 198.181.157.255 | 256 | US |
allocated | 1993-11-24 | eec6da44109a… |