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 |
|---|---|---|---|---|---|
| 161.199.161.0 – 161.199.161.255 | 256 |  US |
allocated | 2019-11-21 | 51850526d757… |
| 161.199.163.0 – 161.199.163.255 | 256 | US |
allocated | 2019-11-21 | 51850526d757… |
| 161.199.176.0 – 161.199.183.255 | 2,048 | US |
allocated | 2019-11-21 | 247c0a6dc122… |
| 199.101.140.0 – 199.101.141.255 | 512 | US |
allocated | 2019-11-21 | 3234fbe0fa16… |
| 206.166.192.0 – 206.166.192.255 | 256 | US |
allocated | 2019-11-21 | 1a0956678a30… |
| 216.24.56.0 – 216.24.56.255 | 256 | US |
allocated | 2019-11-21 | 28b77e63cf36… |
| 23.146.80.0 – 23.146.80.255 | 256 | US |
allocated | 2019-11-20 | 8db7652ff95f… |
| 23.146.112.0 – 23.146.112.255 | 256 | US |
allocated | 2019-11-20 | 1322a24f44b7… |
| 138.43.64.0 – 138.43.95.255 | 8,192 | US |
allocated | 2019-11-20 | 8f2e53243ea0… |
| 138.43.116.0 – 138.43.119.255 | 1,024 | US |
allocated | 2019-11-20 | e698bab5b4eb… |
| 216.24.53.0 – 216.24.53.255 | 256 | US |
allocated | 2019-11-20 | 61993c8632aa… |
| 64.186.12.0 – 64.186.13.255 | 512 | US |
allocated | 2019-11-19 | 06bf3c4ab141… |
| 74.81.174.0 – 74.81.175.255 | 512 | US |
allocated | 2019-11-19 | fd63ef460831… |
| 74.117.244.0 – 74.117.247.255 | 1,024 | US |
allocated | 2019-11-19 | fffdf06abfd8… |
| 141.164.112.0 – 141.164.127.255 | 4,096 | US |
allocated | 2019-11-19 | adc8b004b305… |
| 148.59.95.0 – 148.59.95.255 | 256 | US |
allocated | 2019-11-19 | 5089e38ad9ed… |
| 23.131.161.0 – 23.131.161.255 | 256 | US |
allocated | 2019-11-18 | 0855858f1e9c… |
| 23.170.33.0 – 23.170.33.255 | 256 |  CA |
allocated | 2019-11-18 | ce85a8288200… |
| 66.180.66.0 – 66.180.66.255 | 256 | US |
allocated | 2019-11-18 | 5b75e6d5eda3… |
| 161.38.188.0 – 161.38.189.255 | 512 | US |
allocated | 2019-11-18 | f261af4877f5… |
| 161.38.250.0 – 161.38.250.255 | 256 | US |
allocated | 2019-11-18 | 58ec76838fea… |
| 161.38.254.0 – 161.38.254.255 | 256 | US |
allocated | 2019-11-18 | afee7ea7522b… |
| 162.217.132.0 – 162.217.135.255 | 1,024 | US |
allocated | 2019-11-18 | ad70939237c6… |
| 192.94.77.0 – 192.94.77.255 | 256 | US |
allocated | 2019-11-18 | e6534aae9419… |
| 199.87.244.0 – 199.87.247.255 | 1,024 | CA |
allocated | 2019-11-18 | 23b60d9acb0e… |
| 207.188.4.0 – 207.188.4.255 | 256 | US |
allocated | 2019-11-18 | b4bf9974b829… |
| 23.128.97.0 – 23.128.97.255 | 256 | US |
allocated | 2019-11-15 | 9bcb2d7c161c… |
| 172.98.216.0 – 172.98.219.255 | 1,024 | US |
allocated | 2019-11-15 | 2a0e98a43ffd… |
| 192.95.112.0 – 192.95.119.255 | 2,048 | US |
allocated | 2019-11-15 | 0adaa4669c2b… |
| 208.79.180.0 – 208.79.180.255 | 256 | US |
allocated | 2019-11-15 | 775701d9107a… |
| 23.145.176.0 – 23.145.176.255 | 256 | US |
allocated | 2019-11-14 | 252499c894ff… |
| 23.145.208.0 – 23.145.208.255 | 256 | US |
allocated | 2019-11-14 | 555d96f84ca8… |
| 23.145.240.0 – 23.145.240.255 | 256 | US |
allocated | 2019-11-14 | 4ebfc3bf8a1e… |
| 195.155.0.0 – 195.155.63.255 | 16,384 | US |
allocated | 2019-11-14 | 3af11f5aec32… |
| 198.52.246.0 – 198.52.246.255 | 256 | US |
allocated | 2019-11-14 | 7125a147f73f… |
| 23.145.144.0 – 23.145.144.255 | 256 | US |
allocated | 2019-11-13 | 1233d99c98e0… |
| 72.42.253.0 – 72.42.253.255 | 256 | US |
allocated | 2019-11-13 | 25228f20fc8b… |
| 137.184.0.0 – 137.184.255.255 | 65,536 | US |
allocated | 2019-11-13 | cd0f3b8e7d94… |
| 64.186.14.0 – 64.186.15.255 | 512 |  PR |
allocated | 2019-11-12 | 39bdeed65816… |
| 74.81.190.0 – 74.81.190.255 | 256 | US |
allocated | 2019-11-12 | e8a260e04fad… |
| 199.193.136.0 – 199.193.136.255 | 256 | US |
allocated | 2019-11-12 | e81651ad2e9d… |
| 23.145.80.0 – 23.145.80.255 | 256 | US |
allocated | 2019-11-11 | b12f0e8c68ea… |
| 23.145.112.0 – 23.145.112.255 | 256 | PR |
allocated | 2019-11-11 | e5e0c2fe7ec9… |
| 107.167.224.0 – 107.167.231.255 | 2,048 | US |
allocated | 2019-11-11 | 37e4db5a6c49… |
| 205.214.160.0 – 205.214.175.255 | 4,096 | US |
allocated | 2019-11-11 | b6cf0cef5080… |
| 161.199.159.0 – 161.199.159.255 | 256 | US |
allocated | 2019-11-08 | 26e53b51923c… |
| 192.132.1.0 – 192.132.1.255 | 256 | US |
allocated | 2019-11-08 | 6c516d935f3a… |
| 204.209.74.0 – 204.209.74.255 | 256 | US |
allocated | 2019-11-08 | e890d098c71e… |
| 205.207.202.0 – 205.207.202.255 | 256 | CA |
allocated | 2019-11-08 | 400b82f111c6… |
| 23.173.33.0 – 23.173.33.255 | 256 | US |
allocated | 2019-11-06 | b67bc308880a… |
| 138.43.208.0 – 138.43.208.255 | 256 | US |
allocated | 2019-11-06 | 72d519421e08… |
| 147.160.157.0 – 147.160.157.255 | 256 | US |
allocated | 2019-11-06 | e19553b118c6… |
| 149.20.68.0 – 149.20.69.255 | 512 | US |
allocated | 2019-11-06 | 3473c55a1953… |
| 66.205.242.0 – 66.205.242.255 | 256 | US |
allocated | 2019-11-05 | b47bd2ea1d6c… |
| 98.143.176.0 – 98.143.183.255 | 2,048 | US |
allocated | 2019-11-05 | f407f45888d1… |
| 137.220.2.0 – 137.220.3.255 | 512 | US |
allocated | 2019-11-05 | 20ec6de4646b… |
| 160.238.31.0 – 160.238.31.255 | 256 | US |
allocated | 2019-11-05 | a9fb30900047… |
| 192.190.154.0 – 192.190.155.255 | 512 | US |
allocated | 2019-11-05 | 2a8b381bce17… |
| 192.190.156.0 – 192.190.159.255 | 1,024 | US |
allocated | 2019-11-05 | 2a8b381bce17… |
| 204.128.133.0 – 204.128.133.255 | 256 | US |
allocated | 2019-11-05 | a2b50e9e028a… |
| 24.41.64.0 – 24.41.95.255 | 8,192 | US |
allocated | 2019-11-04 | b8051913e298… |
| 72.42.254.0 – 72.42.254.255 | 256 | US |
allocated | 2019-11-04 | bfa96f79d90f… |
| 98.142.181.0 – 98.142.181.255 | 256 | US |
allocated | 2019-11-04 | ef56c902ec4b… |
| 161.38.16.0 – 161.38.19.255 | 1,024 | US |
allocated | 2019-11-04 | f55fac238912… |
| 185.185.28.0 – 185.185.31.255 | 1,024 | US |
allocated | 2019-11-04 | 4dc2bb8f94c6… |
| 185.194.116.0 – 185.194.119.255 | 1,024 | US |
allocated | 2019-11-04 | 4dc2bb8f94c6… |
| 185.197.16.0 – 185.197.19.255 | 1,024 | US |
allocated | 2019-11-04 | 4dc2bb8f94c6… |
| 185.201.228.0 – 185.201.231.255 | 1,024 | US |
allocated | 2019-11-04 | 4dc2bb8f94c6… |
| 23.145.48.0 – 23.145.48.255 | 256 | US |
allocated | 2019-10-31 | 084e6906055f… |
| 66.205.232.0 – 66.205.232.255 | 256 | US |
allocated | 2019-10-31 | 58ec0709a170… |
| 104.160.246.0 – 104.160.246.255 | 256 | US |
allocated | 2019-10-31 | 5c702ea86d0f… |
| 158.247.32.0 – 158.247.47.255 | 4,096 | US |
allocated | 2019-10-31 | 2ee7ce92c1b5… |
| 161.38.44.0 – 161.38.47.255 | 1,024 | US |
allocated | 2019-10-31 | 6218abdbccd1… |
| 185.194.228.0 – 185.194.231.255 | 1,024 | US |
allocated | 2019-10-31 | 4dc2bb8f94c6… |
| 161.38.249.0 – 161.38.249.255 | 256 | US |
allocated | 2019-10-30 | 4cfbd886a116… |
| 161.199.80.0 – 161.199.81.255 | 512 | US |
allocated | 2019-10-30 | 89cc558a5beb… |
| 23.145.16.0 – 23.145.16.255 | 256 | US |
allocated | 2019-10-29 | 616b045ea3ba… |
| 66.187.28.0 – 66.187.31.255 | 1,024 | US |
allocated | 2019-10-29 | 5edc763a2be7… |
| 69.94.14.0 – 69.94.14.255 | 256 | US |
allocated | 2019-10-29 | 1b0ec5d8b914… |
| 72.19.24.0 – 72.19.27.255 | 1,024 | CA |
allocated | 2019-10-29 | 4e97eb1b9432… |
| 149.97.64.0 – 149.97.79.255 | 4,096 | US |
allocated | 2019-10-29 | bee76049446f… |
| 149.97.84.0 – 149.97.87.255 | 1,024 | US |
allocated | 2019-10-29 | bee76049446f… |
| 149.97.88.0 – 149.97.89.255 | 512 | US |
allocated | 2019-10-29 | bee76049446f… |
| 149.97.92.0 – 149.97.95.255 | 1,024 | US |
allocated | 2019-10-29 | bee76049446f… |
| 149.97.96.0 – 149.97.97.255 | 512 | US |
allocated | 2019-10-29 | bee76049446f… |
| 161.38.42.0 – 161.38.43.255 | 512 | US |
allocated | 2019-10-29 | 1bf47e9b62b3… |
| 161.38.61.0 – 161.38.61.255 | 256 | US |
allocated | 2019-10-29 | 24f80be1cb87… |
| 199.201.124.0 – 199.201.124.255 | 256 | US |
allocated | 2019-10-29 | 75081396d870… |
| 23.90.96.0 – 23.90.127.255 | 8,192 | US |
allocated | 2019-10-28 | 4a85ebd08c6c… |
| 23.130.17.0 – 23.130.17.255 | 256 | US |
allocated | 2019-10-28 | b929ebd2cad5… |
| 66.180.32.0 – 66.180.47.255 | 4,096 | US |
allocated | 2019-10-28 | d1701af3e93f… |
| 147.160.155.0 – 147.160.155.255 | 256 | US |
allocated | 2019-10-28 | 5383feaa1f21… |
| 147.160.171.0 – 147.160.171.255 | 256 | US |
allocated | 2019-10-28 | 48db2212c28b… |
| 162.246.96.0 – 162.246.99.255 | 1,024 | US |
allocated | 2019-10-28 | 1cd660fb7e4b… |
| 173.243.229.0 – 173.243.229.255 | 256 | CA |
allocated | 2019-10-28 | ce0feff359ab… |
| 192.111.84.0 – 192.111.85.255 | 512 | US |
allocated | 2019-10-28 | caf8410b9129… |
| 207.188.5.0 – 207.188.5.255 | 256 | US |
allocated | 2019-10-28 | fa62951c3385… |
| 207.188.8.0 – 207.188.15.255 | 2,048 | US |
allocated | 2019-10-28 | c30e4d450f45… |
| 23.144.208.0 – 23.144.208.255 | 256 | US |
allocated | 2019-10-25 | d41a2db70880… |
| 23.144.240.0 – 23.144.240.255 | 256 | CA |
allocated | 2019-10-25 | e079304349eb… |