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
1,645,628,928
📦
IPv4 networks
76,700
delegated blocks
🧭
IPv6 networks
11,350
delegated blocks
🔗
Autonomous systems
34,051
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 66.52.0.0 – 66.53.255.255 | 131,072 |  US |
allocated | 2018-05-03 | 2ae6f8bcdd0f… |
| 67.150.0.0 – 67.150.255.255 | 65,536 | US |
allocated | 2018-05-03 | 2ae6f8bcdd0f… |
| 45.33.206.0 – 45.33.206.255 | 256 | US |
allocated | 2018-05-02 | e6030e9addf6… |
| 52.144.31.0 – 52.144.31.255 | 256 | US |
allocated | 2018-05-02 | 0f0b6257d927… |
| 67.218.6.0 – 67.218.6.255 | 256 | US |
allocated | 2018-05-02 | d9aba2e2df5b… |
| 161.129.22.0 – 161.129.22.255 | 256 | US |
allocated | 2018-05-02 | 67457263ce16… |
| 170.76.236.0 – 170.76.236.255 | 256 | US |
allocated | 2018-05-02 | 55fdaeeadcae… |
| 63.141.39.0 – 63.141.39.255 | 256 | US |
allocated | 2018-05-01 | 0aed2df7a7a0… |
| 66.97.162.0 – 66.97.163.255 | 512 | US |
allocated | 2018-05-01 | 5443219413fd… |
| 72.42.252.0 – 72.42.252.255 | 256 | US |
allocated | 2018-05-01 | 5443219413fd… |
| 141.193.208.0 – 141.193.209.255 | 512 | US |
allocated | 2018-05-01 | 6017e169623f… |
| 149.20.232.0 – 149.20.239.255 | 2,048 | US |
allocated | 2018-05-01 | 23d4a5a508e3… |
| 170.199.244.0 – 170.199.245.255 | 512 |  CA |
allocated | 2018-05-01 | c86ee0d9d7ed… |
| 172.96.130.0 – 172.96.131.255 | 512 | US |
allocated | 2018-05-01 | 86201179f110… |
| 204.62.132.0 – 204.62.133.255 | 512 | US |
allocated | 2018-05-01 | 57f8b721b6b6… |
| 45.33.202.0 – 45.33.203.255 | 512 | US |
allocated | 2018-04-30 | 562fea807ba6… |
| 64.66.192.0 – 64.66.223.255 | 8,192 | CA |
allocated | 2018-04-30 | 2403d34e0013… |
| 66.119.112.0 – 66.119.112.255 | 256 | US |
allocated | 2018-04-30 | a81100d844b2… |
| 141.193.88.0 – 141.193.91.255 | 1,024 | US |
allocated | 2018-04-30 | 5383feaa1f21… |
| 170.76.232.0 – 170.76.233.255 | 512 | US |
allocated | 2018-04-30 | 87dbdfc6cffa… |
| 173.214.192.0 – 173.214.195.255 | 1,024 | US |
allocated | 2018-04-30 | 62ed8e55b98b… |
| 199.66.8.0 – 199.66.11.255 | 1,024 | US |
allocated | 2018-04-30 | b8b5f7e75dc8… |
| 23.128.32.0 – 23.128.32.255 | 256 | US |
allocated | 2018-04-27 | feb64b9fe5f2… |
| 23.128.96.0 – 23.128.96.255 | 256 | US |
allocated | 2018-04-27 | 9bcb2d7c161c… |
| 131.226.128.0 – 131.226.191.255 | 16,384 | US |
allocated | 2018-04-27 | 9724cef263a9… |
| 143.59.0.0 – 143.59.255.255 | 65,536 | US |
allocated | 2018-04-27 | e9f843549cbf… |
| 144.220.0.0 – 144.220.255.255 | 65,536 | US |
allocated | 2018-04-27 | 4a8a91b5b89d… |
| 160.32.254.0 – 160.32.254.255 | 256 | US |
allocated | 2018-04-27 | 8a4020e70732… |
| 66.42.0.0 – 66.42.31.255 | 8,192 | US |
allocated | 2018-04-26 | f984730f795a… |
| 149.20.224.0 – 149.20.231.255 | 2,048 | US |
allocated | 2018-04-26 | a940dbcbf654… |
| 161.129.178.0 – 161.129.179.255 | 512 | CA |
allocated | 2018-04-26 | e5401c588e33… |
| 216.168.131.0 – 216.168.131.255 | 256 | US |
allocated | 2018-04-26 | 6bb977834366… |
| 23.191.192.0 – 23.191.192.255 | 256 | US |
allocated | 2018-04-25 | 035e89d100bb… |
| 64.207.221.0 – 64.207.221.255 | 256 | CA |
allocated | 2018-04-25 | 7f5f87d96f04… |
| 67.158.59.0 – 67.158.59.255 | 256 | US |
allocated | 2018-04-25 | 6ddec713b3a6… |
| 104.194.20.0 – 104.194.23.255 | 1,024 | US |
allocated | 2018-04-25 | 73265aac20bd… |
| 140.82.112.0 – 140.82.127.255 | 4,096 | US |
allocated | 2018-04-25 | 39f992ba176f… |
| 141.193.206.0 – 141.193.207.255 | 512 | US |
allocated | 2018-04-25 | 3df02c2ebcb7… |
| 149.20.208.0 – 149.20.223.255 | 4,096 | US |
allocated | 2018-04-25 | 47247d47afd5… |
| 149.20.240.0 – 149.20.247.255 | 2,048 | US |
allocated | 2018-04-25 | 62ed8e55b98b… |
| 209.251.16.0 – 209.251.23.255 | 2,048 | US |
allocated | 2018-04-25 | 62ed8e55b98b… |
| 216.59.132.0 – 216.59.135.255 | 1,024 | US |
allocated | 2018-04-25 | a584bdde5111… |
| 148.78.84.0 – 148.78.87.255 | 1,024 | US |
allocated | 2018-04-24 | 4b6a74db6ec3… |
| 185.105.7.0 – 185.105.7.255 | 256 | US |
allocated | 2018-04-24 | f6aef9ce4443… |
| 205.251.146.0 – 205.251.147.255 | 512 | US |
allocated | 2018-04-24 | d3ca5dbf6ba2… |
| 45.33.200.0 – 45.33.201.255 | 512 | CA |
allocated | 2018-04-23 | 3aaa703f3c5e… |
| 45.33.207.0 – 45.33.207.255 | 256 | US |
allocated | 2018-04-23 | ea4d1bb98b2c… |
| 136.228.64.0 – 136.228.95.255 | 8,192 | US |
allocated | 2018-04-23 | 75e39e980a5a… |
| 148.59.112.0 – 148.59.113.255 | 512 | US |
allocated | 2018-04-20 | 6c986ec8eda0… |
| 149.20.248.0 – 149.20.255.255 | 2,048 | US |
allocated | 2018-04-20 | ae9c00deb8bf… |
| 161.129.56.0 – 161.129.59.255 | 1,024 | US |
allocated | 2018-04-20 | 9dd7da05c990… |
| 199.38.64.0 – 199.38.71.255 | 2,048 | US |
allocated | 2018-04-20 | 247c0a6dc122… |
| 208.123.112.0 – 208.123.115.255 | 1,024 | US |
allocated | 2018-04-20 | 73265aac20bd… |
| 148.59.114.0 – 148.59.114.255 | 256 | US |
allocated | 2018-04-19 | bc15ed4e21c9… |
| 216.7.80.0 – 216.7.87.255 | 2,048 | US |
allocated | 2018-04-19 | db7b1c97cf13… |
| 23.190.192.0 – 23.190.192.255 | 256 | US |
allocated | 2018-04-18 | c09fcb07a89d… |
| 170.76.226.0 – 170.76.226.255 | 256 | US |
allocated | 2018-04-18 | 1713d6536502… |
| 216.168.139.0 – 216.168.139.255 | 256 | US |
allocated | 2018-04-18 | a1ef8dc5bc39… |
| 23.189.64.0 – 23.189.64.255 | 256 | US |
allocated | 2018-04-17 | dd9113c7cf68… |
| 23.190.64.0 – 23.190.64.255 | 256 | US |
allocated | 2018-04-17 | 1dac69b54d07… |
| 64.22.80.0 – 64.22.80.255 | 256 | US |
allocated | 2018-04-17 | 40e439ac9a25… |
| 198.22.105.0 – 198.22.105.255 | 256 | US |
allocated | 2018-04-17 | aeeb2669c362… |
| 198.180.251.0 – 198.180.251.255 | 256 | US |
allocated | 2018-04-17 | aeeb2669c362… |
| 23.188.192.0 – 23.188.192.255 | 256 | US |
allocated | 2018-04-16 | 37e245468fa3… |
| 136.228.96.0 – 136.228.127.255 | 8,192 | US |
allocated | 2018-04-16 | a2efe17e89ac… |
| 161.129.187.0 – 161.129.187.255 | 256 | US |
allocated | 2018-04-16 | 42b274820b1c… |
| 161.129.191.0 – 161.129.191.255 | 256 | US |
allocated | 2018-04-16 | 5ae846cbaaa8… |
| 208.103.188.0 – 208.103.188.255 | 256 | US |
allocated | 2018-04-16 | f57036a35d7c… |
| 208.103.189.0 – 208.103.189.255 | 256 | US |
allocated | 2018-04-16 | 1a963cc53027… |
| 68.65.224.0 – 68.65.227.255 | 1,024 | US |
allocated | 2018-04-13 | 55f7c47cb78c… |
| 104.238.220.0 – 104.238.223.255 | 1,024 | US |
allocated | 2018-04-13 | df6a34ce16d3… |
| 192.91.139.0 – 192.91.139.255 | 256 | US |
allocated | 2018-04-13 | 2b2ae3e4e6dd… |
| 192.240.48.0 – 192.240.63.255 | 4,096 | US |
allocated | 2018-04-13 | 0f3361e2d6ff… |
| 198.49.48.0 – 198.49.63.255 | 4,096 | US |
allocated | 2018-04-13 | e1d3c06aa52b… |
| 199.16.192.0 – 199.16.195.255 | 1,024 | US |
allocated | 2018-04-13 | 07efe5b0dba3… |
| 199.250.188.0 – 199.250.189.255 | 512 | US |
allocated | 2018-04-13 | 62ed8e55b98b… |
| 208.103.182.0 – 208.103.182.255 | 256 | US |
allocated | 2018-04-13 | b4b273e54652… |
| 24.235.10.0 – 24.235.11.255 | 512 | US |
allocated | 2018-04-12 | e8d6479d8fa2… |
| 24.235.14.0 – 24.235.15.255 | 512 | US |
allocated | 2018-04-12 | c6ee84497a69… |
| 24.235.20.0 – 24.235.21.255 | 512 | US |
allocated | 2018-04-12 | cfb2675d6e4e… |
| 104.153.166.0 – 104.153.166.255 | 256 | US |
allocated | 2018-04-12 | 7564a07dced2… |
| 23.188.64.0 – 23.188.64.255 | 256 | US |
allocated | 2018-04-11 | 70405b03adba… |
| 103.12.214.0 – 103.12.215.255 | 512 | US |
allocated | 2018-04-11 | 51f551071427… |
| 104.238.239.0 – 104.238.239.255 | 256 | US |
allocated | 2018-04-11 | a30a6d0e510f… |
| 158.120.127.0 – 158.120.127.255 | 256 | US |
allocated | 2018-04-11 | 56dda6eb7f23… |
| 161.129.31.0 – 161.129.31.255 | 256 | US |
allocated | 2018-04-11 | 05d4ece36617… |
| 161.129.189.0 – 161.129.189.255 | 256 | US |
allocated | 2018-04-11 | d07e5494c3b9… |
| 192.131.141.0 – 192.131.141.255 | 256 | US |
allocated | 2018-04-11 | 218853a25d93… |
| 23.185.192.0 – 23.185.192.255 | 256 | US |
allocated | 2018-04-10 | baab396dc557… |
| 23.186.64.0 – 23.186.64.255 | 256 | US |
allocated | 2018-04-10 | bcf73df833ea… |
| 142.190.0.0 – 142.190.255.255 | 65,536 | US |
allocated | 2018-04-10 | e4a25f8062d9… |
| 161.129.20.0 – 161.129.21.255 | 512 | US |
allocated | 2018-04-10 | dc899e8b1725… |
| 23.185.64.0 – 23.185.64.255 | 256 | US |
allocated | 2018-04-09 | 140259b12938… |
| 104.238.238.0 – 104.238.238.255 | 256 | US |
allocated | 2018-04-09 | c264e73f6753… |
| 141.193.204.0 – 141.193.205.255 | 512 | US |
allocated | 2018-04-09 | cf71ccc4377c… |
| 161.129.16.0 – 161.129.17.255 | 512 | US |
allocated | 2018-04-09 | c1c7c9bafae4… |
| 161.129.73.0 – 161.129.73.255 | 256 | US |
allocated | 2018-04-09 | da4008c60ee0… |
| 23.184.192.0 – 23.184.192.255 | 256 | US |
allocated | 2018-04-05 | 4ea22d3939a8… |
| 65.18.200.0 – 65.18.203.255 | 1,024 | US |
allocated | 2018-04-05 | fff223e5666e… |
| 67.158.60.0 – 67.158.60.255 | 256 | US |
allocated | 2018-04-05 | f71fc439c592… |