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
1.64B
1,644,924,416
📦
IPv4 networks
76,763
delegated blocks
🧭
IPv6 networks
11,451
delegated blocks
🔗
Autonomous systems
34,128
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 147.71.0.0 – 147.71.255.255 | 65,536 |  US |
allocated | 1991-07-05 | 45fe880b68a8… |
| 147.72.0.0 – 147.72.255.255 | 65,536 | US |
allocated | 1991-07-05 | 1fd660ca4c6c… |
| 147.73.0.0 – 147.73.255.255 | 65,536 | US |
allocated | 1991-07-05 | 1fd660ca4c6c… |
| 147.179.0.0 – 147.179.255.255 | 65,536 | US |
allocated | 1991-07-05 | 651f079f9d88… |
| 147.182.0.0 – 147.182.127.255 | 32,768 | US |
allocated | 1991-07-05 | 56555632e6c2… |
| 147.183.0.0 – 147.183.255.255 | 65,536 | US |
allocated | 1991-07-05 | eb73005d6680… |
| 147.185.0.0 – 147.185.15.255 | 4,096 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.18.0 – 147.185.19.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.20.0 – 147.185.23.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.24.0 – 147.185.24.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.26.0 – 147.185.27.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.28.0 – 147.185.31.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.32.0 – 147.185.33.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.35.0 – 147.185.35.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.36.0 – 147.185.39.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.44.0 – 147.185.44.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.48.0 – 147.185.51.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.56.0 – 147.185.59.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.64.0 – 147.185.71.255 | 2,048 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.76.0 – 147.185.79.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.80.0 – 147.185.87.255 | 2,048 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.92.0 – 147.185.95.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.96.0 – 147.185.99.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.108.0 – 147.185.111.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.128.0 – 147.185.129.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.140.0 – 147.185.143.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.160.0 – 147.185.160.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.168.0 – 147.185.168.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.173.0 – 147.185.173.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.174.0 – 147.185.174.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.176.0 – 147.185.177.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.179.0 – 147.185.179.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.180.0 – 147.185.183.255 | 1,024 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.191.0 – 147.185.191.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.194.0 – 147.185.194.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.198.0 – 147.185.199.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.204.0 – 147.185.205.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.209.0 – 147.185.209.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.211.0 – 147.185.211.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.212.0 – 147.185.212.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.214.0 – 147.185.215.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.218.0 – 147.185.218.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.220.0 – 147.185.220.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.227.0 – 147.185.227.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.228.0 – 147.185.229.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.234.0 – 147.185.235.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.236.0 – 147.185.236.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.240.0 – 147.185.241.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.244.0 – 147.185.244.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.248.0 – 147.185.248.255 | 256 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.185.252.0 – 147.185.253.255 | 512 | US |
allocated | 1991-07-05 | 85dd15f73fad… |
| 147.187.0.0 – 147.187.255.255 | 65,536 | US |
allocated | 1991-07-05 | b6161d3b0c50… |
| 192.101.139.0 – 192.101.139.255 | 256 | US |
allocated | 1991-07-05 | 1fd660ca4c6c… |
| 192.101.140.0 – 192.101.140.255 | 256 | US |
allocated | 1991-07-05 | 1fd660ca4c6c… |
| 192.101.141.0 – 192.101.141.255 | 256 | US |
allocated | 1991-07-05 | 45fe880b68a8… |
| 192.101.144.0 – 192.101.144.255 | 256 | US |
allocated | 1991-07-05 | b17eff9a17ff… |
| 192.101.146.0 – 192.101.146.255 | 256 | US |
allocated | 1991-07-05 | 45fe880b68a8… |
| 192.101.148.0 – 192.101.148.255 | 256 | US |
allocated | 1991-07-05 | 2d90cbf4f78e… |
| 192.101.149.0 – 192.101.149.255 | 256 | US |
allocated | 1991-07-05 | e4a73d3a3423… |
| 192.101.152.0 – 192.101.152.255 | 256 | US |
allocated | 1991-07-05 | e8adac3db029… |
| 192.101.153.0 – 192.101.153.255 | 256 | US |
allocated | 1991-07-05 | 904f4edbd679… |
| 192.101.154.0 – 192.101.154.255 | 256 | US |
allocated | 1991-07-05 | fe551a61d0f8… |
| 192.101.155.0 – 192.101.155.255 | 256 | US |
allocated | 1991-07-05 | 7df93b209bf0… |
| 192.101.157.0 – 192.101.157.255 | 256 | US |
allocated | 1991-07-05 | 929b857b7a88… |
| 192.101.158.0 – 192.101.158.255 | 256 | US |
allocated | 1991-07-05 | 5eafe8ddac08… |
| 192.101.159.0 – 192.101.159.255 | 256 | US |
allocated | 1991-07-05 | c5aca2e97793… |
| 192.103.22.0 – 192.103.22.255 | 256 | US |
allocated | 1991-07-05 | 409404cdcc76… |
| 192.103.25.0 – 192.103.25.255 | 256 | US |
allocated | 1991-07-05 | 01ec33841bcd… |
| 192.138.85.0 – 192.138.85.255 | 256 | US |
allocated | 1991-07-05 | 2d90cbf4f78e… |
| 147.177.0.0 – 147.177.255.255 | 65,536 | US |
allocated | 1991-07-02 | 6af3dbdad10c… |
| 147.178.0.0 – 147.178.255.255 | 65,536 | US |
allocated | 1991-07-02 | 4cb61b484442… |
| 21.0.0.0 – 21.255.255.255 | 16,777,216 | US |
allocated | 1991-07-01 | 45fe880b68a8… |
| 29.0.0.0 – 29.255.255.255 | 16,777,216 | US |
allocated | 1991-07-01 | 45fe880b68a8… |
| 30.0.0.0 – 30.255.255.255 | 16,777,216 | US |
allocated | 1991-07-01 | 45fe880b68a8… |
| 147.174.0.0 – 147.174.255.255 | 65,536 | US |
allocated | 1991-07-01 | e8c7101d0d0f… |
| 151.143.0.0 – 151.143.255.255 | 65,536 | US |
allocated | 1991-07-01 | f35f3d727528… |
| 151.144.0.0 – 151.144.255.255 | 65,536 | US |
allocated | 1991-07-01 | e220ed812a4c… |
| 192.103.15.0 – 192.103.15.255 | 256 | US |
allocated | 1991-07-01 | e59e88019415… |
| 192.103.16.0 – 192.103.16.255 | 256 | US |
allocated | 1991-07-01 | 9a276f11c0ab… |
| 192.103.17.0 – 192.103.17.255 | 256 | US |
allocated | 1991-07-01 | 9a276f11c0ab… |
| 192.103.18.0 – 192.103.18.255 | 256 | US |
allocated | 1991-07-01 | 9a276f11c0ab… |
| 192.103.19.0 – 192.103.19.255 | 256 | US |
allocated | 1991-07-01 | 9a276f11c0ab… |
| 192.112.39.0 – 192.112.39.255 | 256 | US |
allocated | 1991-07-01 | ad2ae532a394… |
| 192.112.40.0 – 192.112.43.255 | 1,024 | US |
allocated | 1991-07-01 | ad2ae532a394… |
| 192.112.44.0 – 192.112.44.255 | 256 | US |
allocated | 1991-07-01 | add4d8f44b83… |
| 192.112.46.0 – 192.112.46.255 | 256 | US |
allocated | 1991-07-01 | aca0d080228b… |
| 192.112.48.0 – 192.112.48.255 | 256 | US |
allocated | 1991-07-01 | e7bc444d1c84… |
| 192.112.50.0 – 192.112.50.255 | 256 | US |
allocated | 1991-07-01 | f67e941824be… |
| 192.112.51.0 – 192.112.51.255 | 256 | US |
allocated | 1991-07-01 | f8ca4778bcf5… |
| 142.41.0.0 – 142.41.255.255 | 65,536 |  CA |
allocated | 1991-06-28 | c8abfd601d08… |
| 142.67.0.0 – 142.67.63.255 | 16,384 | CA |
allocated | 1991-06-28 | b0ad41188976… |
| 192.75.153.0 – 192.75.153.255 | 256 | CA |
allocated | 1991-06-28 | 0c17abd26391… |
| 192.103.13.0 – 192.103.13.255 | 256 | US |
allocated | 1991-06-28 | a218d196eaf3… |
| 147.49.0.0 – 147.49.255.255 | 65,536 | US |
allocated | 1991-06-27 | 6154750e26cb… |
| 147.53.0.0 – 147.53.63.255 | 16,384 | US |
allocated | 1991-06-27 | b31b34bc7a91… |
| 147.53.64.0 – 147.53.95.255 | 8,192 | US |
allocated | 1991-06-27 | b31b34bc7a91… |
| 147.55.0.0 – 147.55.255.255 | 65,536 | US |
allocated | 1991-06-27 | f1ab54bd5c09… |
| 147.56.0.0 – 147.56.255.255 | 65,536 | US |
allocated | 1991-06-27 | 1e2777142683… |
| 147.57.0.0 – 147.57.255.255 | 65,536 | US |
allocated | 1991-06-27 | 45fe880b68a8… |
| 147.58.0.0 – 147.58.255.255 | 65,536 | US |
allocated | 1991-06-27 | 45fe880b68a8… |