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
1,644,545,792
📦
IPv4 networks
77,307
delegated blocks
🧭
IPv6 networks
11,571
delegated blocks
🔗
Autonomous systems
34,285
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 140.232.80.0 – 140.232.81.255 | 512 |  US |
allocated | 2026-10-02 | eb893273d215… |
| 143.49.0.0 – 143.49.255.255 | 65,536 | US |
allocated | 2026-10-02 | c1dfdf31702f… |
| 143.203.0.0 – 143.203.3.255 | 1,024 |  CA |
allocated | 2026-10-02 | 36776df1fd43… |
| 143.203.16.0 – 143.203.19.255 | 1,024 | US |
allocated | 2026-10-02 | f228425755aa… |
| 143.203.20.0 – 143.203.23.255 | 1,024 | US |
allocated | 2026-10-02 | 319aa5f15805… |
| 143.203.24.0 – 143.203.27.255 | 1,024 | US |
allocated | 2026-10-02 | 72eac1e1192a… |
| 143.203.28.0 – 143.203.31.255 | 1,024 | US |
allocated | 2026-10-02 | cd65312fa7b4… |
| 143.203.36.0 – 143.203.39.255 | 1,024 | US |
allocated | 2026-10-02 | ef2dd2e714a3… |
| 143.203.40.0 – 143.203.43.255 | 1,024 | US |
allocated | 2026-10-02 | 6465259bf846… |
| 143.203.44.0 – 143.203.47.255 | 1,024 | US |
allocated | 2026-10-02 | 88d320063aef… |
| 143.203.48.0 – 143.203.51.255 | 1,024 | US |
allocated | 2026-10-02 | e489f2ef9b9b… |
| 143.203.52.0 – 143.203.55.255 | 1,024 | US |
allocated | 2026-10-02 | aeaa6237da13… |
| 143.203.56.0 – 143.203.59.255 | 1,024 | CA |
allocated | 2026-10-02 | 3dba7b53e8e0… |
| 143.203.60.0 – 143.203.63.255 | 1,024 | US |
allocated | 2026-10-02 | 056ac65a5a68… |
| 143.203.64.0 – 143.203.67.255 | 1,024 | US |
allocated | 2026-10-02 | 13d8b36e27eb… |
| 143.203.72.0 – 143.203.75.255 | 1,024 | US |
allocated | 2026-10-02 | 8492fff2b25e… |
| 143.203.76.0 – 143.203.79.255 | 1,024 | US |
allocated | 2026-10-02 | 16c13149c63c… |
| 143.203.80.0 – 143.203.83.255 | 1,024 | US |
allocated | 2026-10-02 | c74b8ae6cc3b… |
| 143.203.84.0 – 143.203.87.255 | 1,024 | US |
allocated | 2026-10-02 | bb225f0b1caf… |
| 143.203.96.0 – 143.203.99.255 | 1,024 | CA |
allocated | 2026-10-02 | a10465655c6c… |
| 143.203.100.0 – 143.203.103.255 | 1,024 | US |
allocated | 2026-10-02 | 781f66dd8782… |
| 143.203.104.0 – 143.203.107.255 | 1,024 | US |
allocated | 2026-10-02 | 84a958d739af… |
| 143.203.112.0 – 143.203.115.255 | 1,024 | CA |
allocated | 2026-10-02 | 8d617c1bb113… |
| 143.203.116.0 – 143.203.119.255 | 1,024 | CA |
allocated | 2026-10-02 | f3d74d35a4a9… |
| 143.203.120.0 – 143.203.123.255 | 1,024 | US |
allocated | 2026-10-02 | 9381e00417e9… |
| 143.203.124.0 – 143.203.127.255 | 1,024 | US |
allocated | 2026-10-02 | f88de70eacf4… |
| 143.203.128.0 – 143.203.131.255 | 1,024 | US |
allocated | 2026-10-02 | 84f555506dd5… |
| 143.203.132.0 – 143.203.135.255 | 1,024 | US |
allocated | 2026-10-02 | aeb1d1a074fc… |
| 143.203.136.0 – 143.203.139.255 | 1,024 | US |
allocated | 2026-10-02 | 1fb516ad18fc… |
| 143.203.140.0 – 143.203.143.255 | 1,024 | US |
allocated | 2026-10-02 | 8ce3d8142eeb… |
| 143.203.144.0 – 143.203.147.255 | 1,024 | CA |
allocated | 2026-10-02 | f92313983206… |
| 143.203.152.0 – 143.203.155.255 | 1,024 | US |
allocated | 2026-10-02 | ec0970844cee… |
| 143.203.156.0 – 143.203.159.255 | 1,024 | US |
allocated | 2026-10-02 | 6b0a2f8f175f… |
| 143.203.160.0 – 143.203.163.255 | 1,024 | US |
allocated | 2026-10-02 | a17a0eea9f95… |
| 143.203.164.0 – 143.203.167.255 | 1,024 | US |
allocated | 2026-10-02 | 68c8f8360456… |
| 143.203.168.0 – 143.203.171.255 | 1,024 | US |
allocated | 2026-10-02 | a0b3f12c11ac… |
| 143.203.172.0 – 143.203.175.255 | 1,024 | US |
allocated | 2026-10-02 | 84ff709c8551… |
| 143.203.180.0 – 143.203.183.255 | 1,024 |  PR |
allocated | 2026-10-02 | bf83a209f16a… |
| 143.203.188.0 – 143.203.191.255 | 1,024 | US |
allocated | 2026-10-02 | 39aa7fdaac88… |
| 143.203.192.0 – 143.203.195.255 | 1,024 | US |
allocated | 2026-10-02 | 3c1f05563829… |
| 143.203.196.0 – 143.203.199.255 | 1,024 | US |
allocated | 2026-10-02 | 329112703827… |
| 143.203.200.0 – 143.203.203.255 | 1,024 | US |
allocated | 2026-10-02 | ac74f625492b… |
| 143.203.204.0 – 143.203.207.255 | 1,024 | US |
allocated | 2026-10-02 | d2bb7540e9a8… |
| 143.203.208.0 – 143.203.211.255 | 1,024 | US |
allocated | 2026-10-02 | 780a8c09ccb9… |
| 143.203.212.0 – 143.203.215.255 | 1,024 | US |
allocated | 2026-10-02 | 5ce43bcc485d… |
| 143.203.216.0 – 143.203.219.255 | 1,024 | US |
allocated | 2026-10-02 | 15b5cbfc80c8… |
| 143.203.220.0 – 143.203.223.255 | 1,024 | US |
allocated | 2026-10-02 | d5eba27ec8c0… |
| 162.120.48.0 – 162.120.51.255 | 1,024 | US |
allocated | 2026-10-02 | d128a3e553da… |
| 162.252.32.0 – 162.252.32.255 | 256 | US |
allocated | 2026-10-02 | 86c43383ecae… |
| 162.252.197.0 – 162.252.197.255 | 256 | US |
allocated | 2026-10-02 | feafc9b2de22… |
| 169.155.41.0 – 169.155.41.255 | 256 | US |
allocated | 2026-10-02 | e2ca83040b65… |
| 169.155.172.0 – 169.155.173.255 | 512 | US |
allocated | 2026-10-02 | 9504b501ac24… |
| 170.76.216.0 – 170.76.216.255 | 256 | US |
allocated | 2026-10-02 | f51bfd79a2f5… |
| 192.35.249.0 – 192.35.249.255 | 256 | US |
allocated | 2026-10-02 | 51e9fec5b322… |
| 192.42.142.0 – 192.42.142.255 | 256 | US |
allocated | 2026-10-02 | 5bde141b02e0… |
| 192.94.126.0 – 192.94.126.255 | 256 | US |
allocated | 2026-10-02 | 73f625013ea7… |
| 192.109.103.0 – 192.109.103.255 | 256 | US |
allocated | 2026-10-02 | ceac88156024… |
| 192.135.248.0 – 192.135.248.255 | 256 | US |
allocated | 2026-10-02 | 19c18149c527… |
| 192.207.78.0 – 192.207.79.255 | 512 | CA |
allocated | 2026-10-02 | 8ebabf5ba5c1… |
| 198.28.12.0 – 198.28.12.255 | 256 | US |
allocated | 2026-10-02 | 065027a1716a… |
| 198.47.36.0 – 198.47.39.255 | 1,024 | US |
allocated | 2026-10-02 | d63e36db20c3… |
| 198.48.32.0 – 198.48.35.255 | 1,024 | US |
allocated | 2026-10-02 | 63b6ea46a2f4… |
| 198.54.12.0 – 198.54.13.255 | 512 | US |
allocated | 2026-10-02 | e8b503efced1… |
| 198.60.228.0 – 198.60.231.255 | 1,024 | US |
allocated | 2026-10-02 | 8978f9436601… |
| 198.62.255.0 – 198.62.255.255 | 256 | US |
allocated | 2026-10-02 | 0a122c671f86… |
| 198.99.12.0 – 198.99.15.255 | 1,024 | US |
allocated | 2026-10-02 | 31b15fcd1993… |
| 198.99.84.0 – 198.99.84.255 | 256 | US |
allocated | 2026-10-02 | 1bded53dcf28… |
| 198.101.16.0 – 198.101.19.255 | 1,024 | US |
allocated | 2026-10-02 | e4bcfa0c6a49… |
| 198.102.20.0 – 198.102.23.255 | 1,024 | CA |
allocated | 2026-10-02 | d0a56204e0f7… |
| 198.134.163.0 – 198.134.163.255 | 256 | US |
allocated | 2026-10-02 | c64e1f32fee0… |
| 198.134.164.0 – 198.134.164.255 | 256 | US |
allocated | 2026-10-02 | 411b37521f9d… |
| 198.134.253.0 – 198.134.253.255 | 256 | US |
allocated | 2026-10-02 | b5735740ee32… |
| 198.135.36.0 – 198.135.39.255 | 1,024 |  JP |
allocated | 2026-10-02 | 6b0ff89f5fcd… |
| 198.137.201.0 – 198.137.201.255 | 256 | US |
allocated | 2026-10-02 | 67dd488a3570… |
| 198.140.192.0 – 198.140.193.255 | 512 | US |
allocated | 2026-10-02 | a018bc6d3e68… |
| 198.179.182.0 – 198.179.183.255 | 512 | US |
allocated | 2026-10-02 | a364632a318f… |
| 198.185.48.0 – 198.185.51.255 | 1,024 | US |
allocated | 2026-10-02 | 809d8578a6df… |
| 198.185.52.0 – 198.185.55.255 | 1,024 | US |
allocated | 2026-10-02 | 0d52bdc6ea24… |
| 198.251.32.0 – 198.251.35.255 | 1,024 | CA |
allocated | 2026-10-02 | 68e15b9644be… |
| 199.181.215.0 – 199.181.215.255 | 256 | US |
allocated | 2026-10-02 | 5b6e3f75f1d6… |
| 199.195.5.0 – 199.195.5.255 | 256 | US |
allocated | 2026-10-02 | febc7533863a… |
| 199.242.184.0 – 199.242.187.255 | 1,024 | US |
allocated | 2026-10-02 | 943ecde5c510… |
| 199.246.120.0 – 199.246.123.255 | 1,024 | US |
allocated | 2026-10-02 | 0374f6af5dd8… |
| 199.246.124.0 – 199.246.127.255 | 1,024 | US |
allocated | 2026-10-02 | 052ae2c2f1e4… |
| 204.29.171.0 – 204.29.171.255 | 256 | US |
allocated | 2026-10-02 | 66963792b58d… |
| 204.52.0.0 – 204.52.3.255 | 1,024 | US |
allocated | 2026-10-02 | 05515550463b… |
| 204.52.4.0 – 204.52.7.255 | 1,024 | CA |
allocated | 2026-10-02 | 941f17eb45ff… |
| 204.58.14.0 – 204.58.14.255 | 256 | US |
allocated | 2026-10-02 | 8cb840a1890f… |
| 204.68.236.0 – 204.68.237.255 | 512 | US |
allocated | 2026-10-02 | 4a80fd238826… |
| 204.115.64.0 – 204.115.67.255 | 1,024 | US |
allocated | 2026-10-02 | d31d6ac3de94… |
| 204.138.117.0 – 204.138.117.255 | 256 | US |
allocated | 2026-10-02 | 04bd33b156b7… |
| 204.144.150.0 – 204.144.150.255 | 256 | US |
allocated | 2026-10-02 | 50a2ff8c1b58… |
| 205.167.20.0 – 205.167.21.255 | 512 | US |
allocated | 2026-10-02 | bffcf0c635c3… |
| 205.167.240.0 – 205.167.241.255 | 512 | US |
allocated | 2026-10-02 | 2f5b1fc128b9… |
| 206.208.16.0 – 206.208.19.255 | 1,024 | US |
allocated | 2026-10-02 | 41650aa02350… |
| 206.208.20.0 – 206.208.23.255 | 1,024 | US |
allocated | 2026-10-02 | 00240beb008d… |
| 206.208.120.0 – 206.208.123.255 | 1,024 | US |
allocated | 2026-10-02 | a4c96733a277… |
| 208.68.40.0 – 208.68.43.255 | 1,024 | US |
allocated | 2026-10-02 | fce355b2563c… |
| 208.122.9.0 – 208.122.9.255 | 256 | US |
allocated | 2026-10-02 | c667fe3a3b49… |
| 209.127.63.0 – 209.127.63.255 | 256 | US |
allocated | 2026-10-02 | 550d0536a6f8… |