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
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 156.142.0.0 – 156.142.255.255 | 65,536 |  US |
allocated | 1992-03-25 | 441debe798ae… |
| 156.145.0.0 – 156.145.255.255 | 65,536 | US |
allocated | 1992-03-25 | d1b493f4d731… |
| 158.10.0.0 – 158.10.255.255 | 65,536 | US |
allocated | 1992-03-25 | 45fe880b68a8… |
| 158.183.0.0 – 158.183.255.255 | 65,536 | US |
allocated | 1992-03-25 | 0596821a6910… |
| 158.184.0.0 – 158.184.255.255 | 65,536 | US |
allocated | 1992-03-25 | e4cff83cc62b… |
| 158.185.0.0 – 158.185.255.255 | 65,536 | US |
allocated | 1992-03-25 | 0596821a6910… |
| 158.186.0.0 – 158.186.255.255 | 65,536 | US |
allocated | 1992-03-25 | 0596821a6910… |
| 158.187.0.0 – 158.187.255.255 | 65,536 | US |
allocated | 1992-03-25 | 0596821a6910… |
| 158.188.0.0 – 158.188.255.255 | 65,536 | US |
allocated | 1992-03-25 | 0596821a6910… |
| 159.87.0.0 – 159.87.255.255 | 65,536 | US |
allocated | 1992-03-25 | 63efec599b1a… |
| 159.88.0.0 – 159.88.255.255 | 65,536 | US |
allocated | 1992-03-25 | 1ad601f4e12c… |
| 192.150.242.0 – 192.150.242.255 | 256 | US |
allocated | 1992-03-25 | 5ebea2d4c325… |
| 155.162.0.0 – 155.162.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.163.0.0 – 155.163.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.164.0.0 – 155.164.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.165.0.0 – 155.165.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.166.0.0 – 155.166.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.167.0.0 – 155.167.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.168.0.0 – 155.168.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.169.0.0 – 155.169.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.170.0.0 – 155.170.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.171.0.0 – 155.171.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.172.0.0 – 155.172.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.173.0.0 – 155.173.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.174.0.0 – 155.174.255.255 | 65,536 | US |
allocated | 1992-03-24 | 81e05477cc28… |
| 155.175.0.0 – 155.175.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 155.176.0.0 – 155.176.255.255 | 65,536 | US |
allocated | 1992-03-24 | 7347b13c724c… |
| 157.191.0.0 – 157.191.255.255 | 65,536 | US |
allocated | 1992-03-24 | 79e8a415758c… |
| 158.106.0.0 – 158.106.63.255 | 16,384 | US |
allocated | 1992-03-24 | 20613b8aec18… |
| 158.106.248.0 – 158.106.255.255 | 2,048 | US |
allocated | 1992-03-24 | 20613b8aec18… |
| 159.4.0.0 – 159.4.255.255 | 65,536 | US |
allocated | 1992-03-24 | 5558399ac948… |
| 159.57.0.0 – 159.57.255.255 | 65,536 | US |
allocated | 1992-03-24 | 887f3cccc3f5… |
| 192.149.237.0 – 192.149.237.255 | 256 | US |
allocated | 1992-03-24 | b2100f2cee4f… |
| 192.149.240.0 – 192.149.240.255 | 256 | US |
allocated | 1992-03-24 | e14b467a3476… |
| 192.149.241.0 – 192.149.241.255 | 256 | US |
allocated | 1992-03-24 | 45fe880b68a8… |
| 192.149.242.0 – 192.149.242.255 | 256 | US |
allocated | 1992-03-24 | 8f7d14ca4d04… |
| 142.131.0.0 – 142.131.255.255 | 65,536 |  CA |
allocated | 1992-03-23 | c064f83f1cfb… |
| 155.34.0.0 – 155.34.255.255 | 65,536 | US |
allocated | 1992-03-23 | 4385ab64e69e… |
| 155.39.0.0 – 155.39.255.255 | 65,536 | US |
allocated | 1992-03-23 | cead22c65801… |
| 155.51.0.0 – 155.51.255.255 | 65,536 | US |
allocated | 1992-03-23 | ab226dc561ca… |
| 155.111.0.0 – 155.111.255.255 | 65,536 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.112.0.0 – 155.113.255.255 | 131,072 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.114.0.0 – 155.114.255.255 | 65,536 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.118.0.0 – 155.119.255.255 | 131,072 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.120.0.0 – 155.120.255.255 | 65,536 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.122.0.0 – 155.123.255.255 | 131,072 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.124.0.0 – 155.127.255.255 | 262,144 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.128.0.0 – 155.129.255.255 | 131,072 | US |
allocated | 1992-03-23 | 0dc6694c14a3… |
| 155.161.0.0 – 155.161.255.255 | 65,536 | US |
allocated | 1992-03-23 | aca0d080228b… |
| 155.179.0.0 – 155.179.255.255 | 65,536 | US |
allocated | 1992-03-23 | 7347b13c724c… |
| 157.133.0.0 – 157.133.255.255 | 65,536 | US |
allocated | 1992-03-23 | 8d307ce9451c… |
| 157.204.0.0 – 157.204.255.255 | 65,536 | US |
allocated | 1992-03-23 | fc28499e0e54… |
| 158.171.0.0 – 158.171.255.255 | 65,536 | US |
allocated | 1992-03-23 | 2c8b166870cf… |
| 159.141.0.0 – 159.141.255.255 | 65,536 | US |
allocated | 1992-03-23 | 5d1f525e175a… |
| 192.139.70.0 – 192.139.70.255 | 256 | CA |
allocated | 1992-03-23 | 1725c09df5f9… |
| 192.149.101.0 – 192.149.101.255 | 256 | US |
allocated | 1992-03-23 | c0fc999b7c50… |
| 192.149.224.0 – 192.149.224.255 | 256 | US |
allocated | 1992-03-23 | ad8851b73b1e… |
| 192.149.225.0 – 192.149.225.255 | 256 | US |
allocated | 1992-03-23 | ad8851b73b1e… |
| 192.149.226.0 – 192.149.226.255 | 256 | US |
allocated | 1992-03-23 | ad8851b73b1e… |
| 192.149.228.0 – 192.149.228.255 | 256 | US |
allocated | 1992-03-23 | 05f7a8f8ea11… |
| 192.149.229.0 – 192.149.229.255 | 256 | US |
allocated | 1992-03-23 | 45fe880b68a8… |
| 192.149.231.0 – 192.149.231.255 | 256 | US |
allocated | 1992-03-23 | 4333e50aadb5… |
| 192.149.235.0 – 192.149.235.255 | 256 | US |
allocated | 1992-03-23 | 2c03c67f5e48… |
| 192.150.239.0 – 192.150.239.255 | 256 | US |
allocated | 1992-03-23 | 6568d6106182… |
| 192.150.240.0 – 192.150.240.255 | 256 | US |
allocated | 1992-03-23 | a173e43ca8ce… |
| 192.150.241.0 – 192.150.241.255 | 256 | US |
allocated | 1992-03-23 | 362c96380064… |
| 159.79.0.0 – 159.79.255.255 | 65,536 | US |
allocated | 1992-03-20 | 4774876be7de… |
| 159.82.0.0 – 159.82.255.255 | 65,536 | US |
allocated | 1992-03-20 | ffd67fadfdd4… |
| 159.83.0.0 – 159.83.255.255 | 65,536 | US |
allocated | 1992-03-20 | 653fe15aba4f… |
| 192.150.221.0 – 192.150.221.255 | 256 | US |
allocated | 1992-03-20 | 45fe880b68a8… |
| 192.150.222.0 – 192.150.222.255 | 256 | US |
allocated | 1992-03-20 | 45fe880b68a8… |
| 192.150.224.0 – 192.150.224.255 | 256 | US |
allocated | 1992-03-20 | ca2e412fb7a7… |
| 192.150.225.0 – 192.150.225.255 | 256 | US |
allocated | 1992-03-20 | ade324ca7f91… |
| 192.150.226.0 – 192.150.226.255 | 256 | US |
allocated | 1992-03-20 | 87a7d618d565… |
| 158.0.0.0 – 158.0.255.255 | 65,536 | US |
allocated | 1992-03-19 | 45fe880b68a8… |
| 158.2.0.0 – 158.2.255.255 | 65,536 | US |
allocated | 1992-03-19 | 45fe880b68a8… |
| 158.3.0.0 – 158.3.255.255 | 65,536 | US |
allocated | 1992-03-19 | 45fe880b68a8… |
| 158.165.0.0 – 158.165.255.255 | 65,536 | US |
allocated | 1992-03-19 | 990486aa684c… |
| 159.77.0.0 – 159.77.255.255 | 65,536 | US |
allocated | 1992-03-19 | 45fe880b68a8… |
| 159.78.0.0 – 159.78.255.255 | 65,536 | US |
allocated | 1992-03-19 | cdb7d42057bd… |
| 192.136.133.0 – 192.136.133.255 | 256 | US |
allocated | 1992-03-19 | 45fe880b68a8… |
| 192.139.63.0 – 192.139.63.255 | 256 | CA |
allocated | 1992-03-19 | 8ea03eeb65bd… |
| 192.139.64.0 – 192.139.64.255 | 256 | CA |
allocated | 1992-03-19 | b111845fcd59… |
| 192.139.65.0 – 192.139.65.255 | 256 | CA |
allocated | 1992-03-19 | eadf3b5c2d67… |
| 192.139.66.0 – 192.139.66.255 | 256 | CA |
allocated | 1992-03-19 | eadf3b5c2d67… |
| 192.139.67.0 – 192.139.67.255 | 256 | CA |
allocated | 1992-03-19 | eadf3b5c2d67… |
| 192.139.68.0 – 192.139.68.255 | 256 | CA |
allocated | 1992-03-19 | eadf3b5c2d67… |
| 192.149.223.0 – 192.149.223.255 | 256 | US |
allocated | 1992-03-19 | 7bfe7160b82a… |
| 192.150.206.0 – 192.150.206.255 | 256 | US |
allocated | 1992-03-19 | a83402fc91ca… |
| 192.150.210.0 – 192.150.210.255 | 256 | US |
allocated | 1992-03-19 | 8bc9e6343613… |
| 192.150.212.0 – 192.150.212.255 | 256 | US |
allocated | 1992-03-19 | 616842b667c0… |
| 192.150.216.0 – 192.150.216.255 | 256 | US |
allocated | 1992-03-19 | 82fd16eb4d7b… |
| 192.150.217.0 – 192.150.217.255 | 256 | US |
allocated | 1992-03-19 | 82fd16eb4d7b… |
| 152.159.0.0 – 152.159.255.255 | 65,536 | US |
allocated | 1992-03-18 | 5188c1736654… |
| 158.130.0.0 – 158.130.255.255 | 65,536 | US |
allocated | 1992-03-18 | f56754654451… |
| 158.163.0.0 – 158.163.255.255 | 65,536 | CA |
allocated | 1992-03-18 | 710387f1f6ff… |
| 158.164.0.0 – 158.164.255.255 | 65,536 | US |
allocated | 1992-03-18 | dd02f9b1a9de… |
| 192.150.191.0 – 192.150.191.255 | 256 | US |
allocated | 1992-03-18 | 10e41417fac0… |
| 192.150.199.0 – 192.150.199.255 | 256 | US |
allocated | 1992-03-18 | 60e46bf0df1f… |
| 192.150.201.0 – 192.150.201.255 | 256 | US |
allocated | 1992-03-18 | a173e43ca8ce… |