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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 141.109.176.0 – 141.109.191.255 | 4,096 |  CA |
allocated | 1990-07-12 | 33eefcabf9dd… |
| 141.109.192.0 – 141.109.223.255 | 8,192 | CA |
allocated | 1990-07-12 | 33eefcabf9dd… |
| 141.109.224.0 – 141.109.239.255 | 4,096 | CA |
allocated | 1990-07-12 | 33eefcabf9dd… |
| 192.73.26.0 – 192.73.26.255 | 256 |  US |
allocated | 1990-07-12 | 45fe880b68a8… |
| 192.73.27.0 – 192.73.27.255 | 256 | US |
allocated | 1990-07-12 | 45fe880b68a8… |
| 192.73.28.0 – 192.73.28.255 | 256 | US |
allocated | 1990-07-12 | 45fe880b68a8… |
| 192.73.29.0 – 192.73.29.255 | 256 | US |
allocated | 1990-07-12 | 45fe880b68a8… |
| 192.73.30.0 – 192.73.30.255 | 256 | US |
allocated | 1990-07-12 | 33e8f3558029… |
| 192.73.31.0 – 192.73.31.255 | 256 | US |
allocated | 1990-07-12 | 737b4786fe03… |
| 192.73.32.0 – 192.73.32.255 | 256 | US |
allocated | 1990-07-12 | ff8fbb9d112a… |
| 192.73.33.0 – 192.73.33.255 | 256 | US |
allocated | 1990-07-12 | 45fe880b68a8… |
| 147.198.0.0 – 147.198.255.255 | 65,536 | US |
allocated | 1990-07-11 | 45fe880b68a8… |
| 192.103.50.0 – 192.103.50.255 | 256 | US |
allocated | 1990-07-11 | 45fe880b68a8… |
| 192.103.51.0 – 192.103.51.255 | 256 | US |
allocated | 1990-07-11 | 45fe880b68a8… |
| 141.104.0.0 – 141.104.255.255 | 65,536 | US |
allocated | 1990-07-10 | acbb8604a321… |
| 141.106.0.0 – 141.106.255.255 | 65,536 | US |
allocated | 1990-07-10 | bd5082074346… |
| 192.72.253.0 – 192.72.253.255 | 256 | US |
allocated | 1990-07-09 | 57a4f4d0e67c… |
| 132.210.0.0 – 132.210.255.255 | 65,536 | CA |
allocated | 1990-07-06 | c8f661f25c20… |
| 140.254.0.0 – 140.254.255.255 | 65,536 | US |
allocated | 1990-07-06 | de86b6deb5d9… |
| 141.102.0.0 – 141.102.255.255 | 65,536 | US |
allocated | 1990-07-06 | e1ed1885c9ce… |
| 137.57.0.0 – 137.57.255.255 | 65,536 | US |
allocated | 1990-07-05 | b752e4a1339d… |
| 139.65.0.0 – 139.65.255.255 | 65,536 | US |
allocated | 1990-07-04 | 2627037a004b… |
| 141.118.0.0 – 141.118.255.255 | 65,536 | CA |
allocated | 1990-07-04 | 0b1f31b7927c… |
| 192.34.90.0 – 192.34.90.255 | 256 | US |
allocated | 1990-07-04 | 9ec72eabc221… |
| 192.73.15.0 – 192.73.15.255 | 256 | US |
allocated | 1990-07-04 | 482a3d9ab508… |
| 192.73.16.0 – 192.73.16.255 | 256 | US |
allocated | 1990-07-04 | 482a3d9ab508… |
| 192.73.17.0 – 192.73.17.255 | 256 | US |
allocated | 1990-07-04 | 03688639065c… |
| 139.67.0.0 – 139.67.255.255 | 65,536 | US |
allocated | 1990-07-03 | cd1b7c1ee49e… |
| 192.73.4.0 – 192.73.4.255 | 256 | US |
allocated | 1990-07-03 | 5b377338b951… |
| 192.73.5.0 – 192.73.5.255 | 256 | CA |
allocated | 1990-07-03 | 9bb228eab533… |
| 192.73.6.0 – 192.73.6.255 | 256 | US |
allocated | 1990-07-03 | ca7d720d14dc… |
| 192.73.7.0 – 192.73.7.255 | 256 | US |
allocated | 1990-07-03 | 5ebea2d4c325… |
| 192.73.8.0 – 192.73.8.255 | 256 | US |
allocated | 1990-07-03 | 5b86dc5e6271… |
| 192.73.9.0 – 192.73.9.255 | 256 | US |
allocated | 1990-07-03 | afa34c181c22… |
| 192.73.10.0 – 192.73.10.255 | 256 | US |
allocated | 1990-07-03 | 27aa72407cd3… |
| 192.73.13.0 – 192.73.13.255 | 256 | US |
allocated | 1990-07-03 | 5add83cbd754… |
| 192.73.14.0 – 192.73.14.255 | 256 | US |
allocated | 1990-07-03 | 534e81ec5249… |
| 139.61.0.0 – 139.61.255.255 | 65,536 | US |
allocated | 1990-07-02 | 4b2a7066ff1e… |
| 139.62.0.0 – 139.62.255.255 | 65,536 | US |
allocated | 1990-07-02 | cd9bcc491099… |
| 142.3.0.0 – 142.3.255.255 | 65,536 | CA |
allocated | 1990-06-30 | 076498f385cb… |
| 142.5.0.0 – 142.5.255.255 | 65,536 | CA |
allocated | 1990-06-30 | 44b40a235abf… |
| 143.173.0.0 – 143.173.255.255 | 65,536 | US |
allocated | 1990-06-30 | 0596821a6910… |
| 143.193.0.0 – 143.193.255.255 | 65,536 | US |
allocated | 1990-06-30 | 501eb4ea8218… |
| 143.211.0.0 – 143.211.255.255 | 65,536 | US |
allocated | 1990-06-30 | 45fe880b68a8… |
| 143.212.0.0 – 143.212.255.255 | 65,536 | US |
allocated | 1990-06-30 | 45fe880b68a8… |
| 143.213.0.0 – 143.213.255.255 | 65,536 | US |
allocated | 1990-06-30 | 45fe880b68a8… |
| 143.214.0.0 – 143.214.255.255 | 65,536 | US |
allocated | 1990-06-30 | 45fe880b68a8… |
| 143.215.0.0 – 143.215.255.255 | 65,536 | US |
allocated | 1990-06-30 | 4a67db8a65eb… |
| 143.219.0.0 – 143.219.255.255 | 65,536 | US |
allocated | 1990-06-30 | a3adae12f224… |
| 143.220.0.0 – 143.220.255.255 | 65,536 | US |
allocated | 1990-06-30 | 7ffe821f4ed8… |
| 143.222.0.0 – 143.222.255.255 | 65,536 | US |
allocated | 1990-06-30 | 441827ed6852… |
| 143.223.0.0 – 143.223.7.255 | 2,048 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.9.0 – 143.223.9.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.18.0 – 143.223.19.255 | 512 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.20.0 – 143.223.23.255 | 1,024 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.24.0 – 143.223.31.255 | 2,048 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.87.0 – 143.223.87.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.101.0 – 143.223.101.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.102.0 – 143.223.103.255 | 512 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.135.0 – 143.223.135.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.136.0 – 143.223.136.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.140.0 – 143.223.141.255 | 512 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.161.0 – 143.223.161.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.162.0 – 143.223.163.255 | 512 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.164.0 – 143.223.167.255 | 1,024 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.173.0 – 143.223.173.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.175.0 – 143.223.175.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.176.0 – 143.223.176.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.178.0 – 143.223.178.255 | 256 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.180.0 – 143.223.183.255 | 1,024 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 143.223.248.0 – 143.223.255.255 | 2,048 | US |
allocated | 1990-06-30 | 053a3f08ce0f… |
| 192.48.121.0 – 192.48.121.255 | 256 | US |
allocated | 1990-06-30 | b932558eb528… |
| 192.48.122.0 – 192.48.122.255 | 256 | US |
allocated | 1990-06-30 | b932558eb528… |
| 192.75.14.0 – 192.75.14.255 | 256 | CA |
allocated | 1990-06-30 | c8bae1572cdf… |
| 192.76.240.0 – 192.76.240.255 | 256 | US |
allocated | 1990-06-30 | eff49f931d83… |
| 192.76.251.0 – 192.76.251.255 | 256 | US |
allocated | 1990-06-30 | 46d3add728ba… |
| 192.77.1.0 – 192.77.1.255 | 256 | US |
allocated | 1990-06-30 | 57a549955feb… |
| 192.77.2.0 – 192.77.3.255 | 512 | US |
allocated | 1990-06-30 | 57a549955feb… |
| 192.77.4.0 – 192.77.5.255 | 512 | US |
allocated | 1990-06-30 | 57a549955feb… |
| 192.77.6.0 – 192.77.6.255 | 256 | US |
allocated | 1990-06-30 | 57a549955feb… |
| 192.77.9.0 – 192.77.9.255 | 256 | US |
allocated | 1990-06-30 | 4893e8e9b3ed… |
| 192.77.10.0 – 192.77.10.255 | 256 | US |
allocated | 1990-06-30 | c07f331ca373… |
| 192.78.188.0 – 192.78.188.255 | 256 | US |
allocated | 1990-06-30 | 5f6edfc2a73d… |
| 192.83.239.0 – 192.83.239.255 | 256 | US |
allocated | 1990-06-30 | 4a34b9f7ce6e… |
| 192.83.240.0 – 192.83.240.255 | 256 | US |
allocated | 1990-06-30 | 4a34b9f7ce6e… |
| 192.83.241.0 – 192.83.241.255 | 256 | US |
allocated | 1990-06-30 | 4a34b9f7ce6e… |
| 192.83.242.0 – 192.83.242.255 | 256 | US |
allocated | 1990-06-30 | e88d36809807… |
| 192.83.243.0 – 192.83.243.255 | 256 | US |
allocated | 1990-06-30 | 708f82f4e100… |
| 192.84.7.0 – 192.84.7.255 | 256 | US |
allocated | 1990-06-30 | cdfe872d6f50… |
| 192.84.8.0 – 192.84.8.255 | 256 | US |
allocated | 1990-06-30 | 2d90cbf4f78e… |
| 192.84.10.0 – 192.84.10.255 | 256 | US |
allocated | 1990-06-30 | 18e4645df807… |
| 192.84.11.0 – 192.84.11.255 | 256 | US |
allocated | 1990-06-30 | a2597fb09d3d… |
| 192.84.14.0 – 192.84.14.255 | 256 | US |
allocated | 1990-06-30 | 45fe880b68a8… |
| 192.84.21.0 – 192.84.21.255 | 256 | US |
allocated | 1990-06-30 | 18f6dc15c154… |
| 192.84.22.0 – 192.84.22.255 | 256 | US |
allocated | 1990-06-30 | 9fb26cc632d3… |
| 192.88.129.0 – 192.88.129.255 | 256 | US |
allocated | 1990-06-30 | f01453b483b1… |
| 140.251.0.0 – 140.251.255.255 | 65,536 | US |
allocated | 1990-06-29 | 7f234b9eeb09… |
| 140.252.0.0 – 140.252.255.255 | 65,536 | US |
allocated | 1990-06-29 | e58dc82e8ddf… |
| 192.73.1.0 – 192.73.1.255 | 256 | US |
allocated | 1990-06-29 | 45fe880b68a8… |
| 192.73.2.0 – 192.73.2.255 | 256 | US |
allocated | 1990-06-29 | 2d90cbf4f78e… |