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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,293
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 192.55.92.0 – 192.55.92.255 | 256 | US |
allocated | 1990-06-27 | d9663a7e24c1… |
| 192.55.93.0 – 192.55.93.255 | 256 | US |
allocated | 1990-06-27 | 659a3989f2e5… |
| 192.55.94.0 – 192.55.94.255 | 256 | US |
allocated | 1990-06-27 | 06e1f359407c… |
| 139.55.0.0 – 139.55.255.255 | 65,536 | US |
allocated | 1990-06-26 | 6c065d5b54b8… |
| 139.57.0.0 – 139.57.255.255 | 65,536 | CA |
allocated | 1990-06-26 | 841a7db24116… |
| 141.117.0.0 – 141.117.255.255 | 65,536 | CA |
allocated | 1990-06-26 | c6a6f19ece20… |
| 192.54.241.0 – 192.54.241.255 | 256 | US |
allocated | 1990-06-26 | 2156de251118… |
| 192.54.242.0 – 192.54.242.255 | 256 | CA |
allocated | 1990-06-26 | d0a1bbb39f81… |
| 192.54.243.0 – 192.54.243.255 | 256 | US |
allocated | 1990-06-26 | 15d617688f96… |
| 192.54.250.0 – 192.54.250.255 | 256 | US |
allocated | 1990-06-26 | ffd67fadfdd4… |
| 192.54.253.0 – 192.54.253.255 | 256 | US |
allocated | 1990-06-26 | 44d974b383db… |
| 192.70.176.0 – 192.70.176.255 | 256 | CA |
allocated | 1990-06-25 | 57f7c16283cb… |
| 192.70.240.0 – 192.70.240.255 | 256 | US |
allocated | 1990-06-25 | 1ecd44f123c8… |
| 192.70.241.0 – 192.70.241.255 | 256 | US |
allocated | 1990-06-25 | 4498f4f8c4fc… |
| 140.230.0.0 – 140.230.255.255 | 65,536 | CA |
allocated | 1990-06-22 | 47fbb29970c2… |
| 139.52.0.0 – 139.52.255.255 | 65,536 | US |
allocated | 1990-06-21 | 6a1cd481d7fb… |
| 140.229.0.0 – 140.229.255.255 | 65,536 | US |
allocated | 1990-06-21 | 45fe880b68a8… |
| 192.70.172.0 – 192.70.172.255 | 256 | CA |
allocated | 1990-06-21 | c8bae1572cdf… |
| 192.70.173.0 – 192.70.173.255 | 256 | US |
allocated | 1990-06-21 | 7f9bc761ef85… |
| 192.70.175.0 – 192.70.175.255 | 256 | US |
allocated | 1990-06-21 | b2df6ebc8b9d… |
| 139.48.0.0 – 139.48.255.255 | 65,536 | CA |
allocated | 1990-06-20 | cdf0925393d8… |
| 139.49.0.0 – 139.49.255.255 | 65,536 | US |
allocated | 1990-06-20 | e220ed812a4c… |
| 139.51.0.0 – 139.51.255.255 | 65,536 | US |
allocated | 1990-06-20 | 179f0c94e953… |
| 192.70.167.0 – 192.70.167.255 | 256 | US |
allocated | 1990-06-20 | 57d37460bb77… |
| 192.70.168.0 – 192.70.168.255 | 256 | US |
allocated | 1990-06-20 | c9933de97e46… |
| 192.70.169.0 – 192.70.169.255 | 256 | US |
allocated | 1990-06-20 | c51d02ec525f… |
| 192.70.170.0 – 192.70.170.255 | 256 | US |
allocated | 1990-06-20 | c51d02ec525f… |
| 192.70.171.0 – 192.70.171.255 | 256 | US |
allocated | 1990-06-20 | d756d4b9399a… |
| 138.254.0.0 – 138.254.255.255 | 65,536 | US |
allocated | 1990-06-18 | 6af3dbdad10c… |
| 139.46.0.0 – 139.46.255.255 | 65,536 | US |
allocated | 1990-06-18 | 5a55d41b4c45… |
| 192.70.161.0 – 192.70.161.255 | 256 | US |
allocated | 1990-06-18 | 661f74829ab2… |
| 192.70.162.0 – 192.70.162.255 | 256 | US |
allocated | 1990-06-18 | d3a2cecbdf5c… |
| 192.70.165.0 – 192.70.165.255 | 256 | US |
allocated | 1990-06-18 | a9a4d1e2cf3c… |
| 192.70.166.0 – 192.70.166.255 | 256 | US |
allocated | 1990-06-18 | a9c9ae4874f6… |
| 139.31.0.0 – 139.31.255.255 | 65,536 | US |
allocated | 1990-06-15 | 45fe880b68a8… |
| 139.32.0.0 – 139.32.255.255 | 65,536 | US |
allocated | 1990-06-15 | 45fe880b68a8… |
| 139.33.0.0 – 139.33.255.255 | 65,536 | US |
allocated | 1990-06-15 | 45fe880b68a8… |