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 |
|---|---|---|---|---|---|
| 137.249.0.0 – 137.249.255.255 | 65,536 |  US |
allocated | 1990-01-20 | 0596821a6910… |
| 138.8.0.0 – 138.8.255.255 | 65,536 | US |
allocated | 1990-01-20 | 21fde1b2812e… |
| 138.46.0.0 – 138.46.255.255 | 65,536 | US |
allocated | 1990-01-20 | 1888aee92083… |
| 192.67.82.0 – 192.67.82.255 | 256 | US |
allocated | 1990-01-20 | 69c2bd3bb7cc… |
| 192.67.86.0 – 192.67.86.255 | 256 | US |
allocated | 1990-01-20 | 45fe880b68a8… |
| 192.67.90.0 – 192.67.90.255 | 256 | US |
allocated | 1990-01-20 | 37831c6008f4… |
| 192.67.91.0 – 192.67.91.255 | 256 | US |
allocated | 1990-01-20 | 1699eda664d7… |
| 192.69.234.0 – 192.69.234.255 | 256 |  DE |
allocated | 1990-01-20 | a65a7f773951… |
| 137.254.0.0 – 137.254.255.255 | 65,536 | US |
allocated | 1990-01-17 | 3f31a826c3a4… |
| 138.1.0.0 – 138.1.255.255 | 65,536 | US |
allocated | 1990-01-17 | 3f31a826c3a4… |
| 138.2.0.0 – 138.2.255.255 | 65,536 | US |
allocated | 1990-01-17 | 3f31a826c3a4… |
| 138.9.0.0 – 138.9.255.255 | 65,536 | US |
allocated | 1990-01-17 | b41990df588d… |
| 192.67.80.0 – 192.67.80.255 | 256 | US |
allocated | 1990-01-17 | 45fe880b68a8… |
| 192.67.81.0 – 192.67.81.255 | 256 | US |
allocated | 1990-01-17 | 69c2bd3bb7cc… |
| 192.67.83.0 – 192.67.83.255 | 256 | US |
allocated | 1990-01-17 | 2d90cbf4f78e… |
| 192.67.92.0 – 192.67.92.255 | 256 | US |
allocated | 1990-01-17 | 19bcfab17635… |
| 192.67.93.0 – 192.67.93.255 | 256 | US |
allocated | 1990-01-17 | 45fe880b68a8… |
| 137.237.0.0 – 137.237.255.255 | 65,536 | US |
allocated | 1990-01-16 | 6af3dbdad10c… |
| 137.238.0.0 – 137.238.255.255 | 65,536 | US |
allocated | 1990-01-16 | 9691aacf4687… |
| 137.239.0.0 – 137.239.127.255 | 32,768 | US |
allocated | 1990-01-16 | 0e853ae121f5… |
| 137.239.128.0 – 137.239.159.255 | 8,192 | US |
allocated | 1990-01-16 | 0e853ae121f5… |
| 137.240.0.0 – 137.240.255.255 | 65,536 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 137.241.0.0 – 137.241.255.255 | 65,536 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 137.242.0.0 – 137.242.255.255 | 65,536 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 137.245.0.0 – 137.245.255.255 | 65,536 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 137.247.0.0 – 137.247.255.255 | 65,536 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 138.13.0.0 – 138.13.255.255 | 65,536 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 192.67.74.0 – 192.67.74.255 | 256 | US |
allocated | 1990-01-16 | 45fe880b68a8… |
| 192.67.77.0 – 192.67.77.255 | 256 | US |
allocated | 1990-01-16 | 767e6371a418… |
| 192.67.78.0 – 192.67.78.255 | 256 | US |
allocated | 1990-01-16 | 2da53ec1e558… |
| 137.232.0.0 – 137.232.255.255 | 65,536 | US |
allocated | 1990-01-12 | 45fe880b68a8… |
| 137.233.0.0 – 137.233.255.255 | 65,536 | US |
allocated | 1990-01-12 | 45fe880b68a8… |
| 137.234.0.0 – 137.234.255.255 | 65,536 | US |
allocated | 1990-01-12 | 45fe880b68a8… |
| 137.235.0.0 – 137.235.255.255 | 65,536 | US |
allocated | 1990-01-12 | 45fe880b68a8… |
| 144.247.0.0 – 144.247.255.255 | 65,536 | US |
allocated | 1990-01-11 | 45fe880b68a8… |
| 137.216.0.0 – 137.216.255.255 | 65,536 | US |
allocated | 1990-01-10 | f1eb569cf0c3… |
| 137.227.0.0 – 137.227.255.255 | 65,536 | US |
allocated | 1990-01-10 | 442d612f2688… |
| 137.228.0.0 – 137.228.255.255 | 65,536 | US |
allocated | 1990-01-10 | 2d90cbf4f78e… |
| 137.229.0.0 – 137.229.255.255 | 65,536 | US |
allocated | 1990-01-10 | d5b5be36b263… |
| 137.230.0.0 – 137.230.255.255 | 65,536 | US |
allocated | 1990-01-10 | 87e32f70452a… |
| 138.12.0.0 – 138.12.127.255 | 32,768 | US |
allocated | 1990-01-10 | 36d3d57ed935… |
| 192.67.53.0 – 192.67.53.255 | 256 |  CA |
allocated | 1990-01-10 | a2eba22c6c42… |
| 192.67.56.0 – 192.67.56.255 | 256 | US |
allocated | 1990-01-10 | aca0d080228b… |
| 192.67.57.0 – 192.67.57.255 | 256 | US |
allocated | 1990-01-10 | 381f153a0e6e… |
| 192.67.59.0 – 192.67.59.255 | 256 | US |
allocated | 1990-01-10 | 7ff048feaf3e… |
| 192.67.60.0 – 192.67.60.255 | 256 | US |
allocated | 1990-01-10 | b3319f0293b5… |
| 192.67.61.0 – 192.67.61.255 | 256 | US |
allocated | 1990-01-10 | 864c6ddc9b7f… |
| 192.67.62.0 – 192.67.62.255 | 256 | US |
allocated | 1990-01-10 | 45fe880b68a8… |
| 192.67.69.0 – 192.67.69.255 | 256 | US |
allocated | 1990-01-10 | 0b9276faacf7… |
| 192.67.70.0 – 192.67.70.255 | 256 | US |
allocated | 1990-01-10 | 45fe880b68a8… |
| 192.67.71.0 – 192.67.71.255 | 256 | US |
allocated | 1990-01-10 | 45fe880b68a8… |
| 192.67.73.0 – 192.67.73.255 | 256 | US |
allocated | 1990-01-10 | 76c77f9aa2ce… |
| 137.209.0.0 – 137.209.255.255 | 65,536 | US |
allocated | 1990-01-09 | 45fe880b68a8… |
| 137.210.0.0 – 137.210.255.255 | 65,536 | US |
allocated | 1990-01-09 | 45fe880b68a8… |
| 137.211.0.0 – 137.211.255.255 | 65,536 | US |
allocated | 1990-01-09 | 45fe880b68a8… |
| 137.212.0.0 – 137.212.255.255 | 65,536 | US |
allocated | 1990-01-09 | 45fe880b68a8… |
| 137.201.0.0 – 137.201.255.255 | 65,536 | US |
allocated | 1990-01-04 | ba9d97940949… |
| 137.199.0.0 – 137.199.255.255 | 65,536 | US |
allocated | 1990-01-03 | ad98f40efa42… |
| 137.200.0.0 – 137.200.255.255 | 65,536 | US |
allocated | 1990-01-03 | d0ab9155508a… |
| 137.202.0.0 – 137.202.255.255 | 65,536 | US |
allocated | 1990-01-03 | ca8d617b6c8d… |
| 137.206.0.0 – 137.206.255.255 | 65,536 | US |
allocated | 1990-01-03 | 7013a13d0ca7… |
| 137.207.0.0 – 137.207.255.255 | 65,536 | CA |
allocated | 1990-01-03 | 58730c51e70b… |
| 192.67.41.0 – 192.67.41.255 | 256 | US |
allocated | 1990-01-03 | 896554fed40d… |
| 192.67.42.0 – 192.67.42.255 | 256 | US |
allocated | 1990-01-03 | 896554fed40d… |
| 192.67.44.0 – 192.67.44.255 | 256 | US |
allocated | 1990-01-03 | a75a17895471… |
| 192.67.45.0 – 192.67.45.255 | 256 | CA |
allocated | 1990-01-03 | 84344661f626… |
| 192.67.46.0 – 192.67.46.255 | 256 | US |
allocated | 1990-01-03 | bdf63ab6a081… |
| 192.67.48.0 – 192.67.48.255 | 256 | US |
allocated | 1990-01-03 | 58bab9bfa223… |
| 192.67.49.0 – 192.67.49.255 | 256 | US |
allocated | 1990-01-03 | 5c4dafa5b6a2… |
| 199.10.33.0 – 199.10.33.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.34.0 – 199.10.35.255 | 512 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.121.0 – 199.10.121.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.122.0 – 199.10.122.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 199.10.124.0 – 199.10.124.255 | 256 | US |
allocated | 1990-01-01 | 45fe880b68a8… |
| 137.164.0.0 – 137.164.255.255 | 65,536 | US |
allocated | 1989-12-21 | dc1fa9b5e33a… |
| 137.190.0.0 – 137.190.255.255 | 65,536 | US |
allocated | 1989-12-21 | f74513ceb93e… |
| 137.192.0.0 – 137.192.255.255 | 65,536 | US |
allocated | 1989-12-21 | f9bdc9d330fa… |
| 143.44.0.0 – 143.44.127.255 | 32,768 | US |
allocated | 1989-12-21 | 3d371de3237b… |
| 192.67.11.0 – 192.67.11.255 | 256 | US |
allocated | 1989-12-21 | 5942bda53f50… |
| 192.67.22.0 – 192.67.22.255 | 256 | US |
allocated | 1989-12-21 | d7c40d04f568… |
| 192.68.25.0 – 192.68.25.255 | 256 | US |
allocated | 1989-12-21 | a3adae12f224… |
| 192.68.26.0 – 192.68.26.255 | 256 | US |
allocated | 1989-12-21 | 91f349d2878d… |
| 192.68.28.0 – 192.68.28.255 | 256 | US |
allocated | 1989-12-21 | 6af3dbdad10c… |
| 192.68.30.0 – 192.68.30.255 | 256 | US |
allocated | 1989-12-21 | d86414f13835… |
| 137.167.0.0 – 137.167.255.255 | 65,536 | US |
allocated | 1989-12-18 | acfc4932ac54… |
| 137.176.0.0 – 137.183.255.255 | 524,288 | US |
allocated | 1989-12-18 | 0dc6694c14a3… |
| 137.185.0.0 – 137.185.255.255 | 65,536 | US |
allocated | 1989-12-18 | 0dc6694c14a3… |
| 137.188.0.0 – 137.188.255.255 | 65,536 | US |
allocated | 1989-12-18 | e220ed812a4c… |
| 192.67.15.0 – 192.67.15.255 | 256 | US |
allocated | 1989-12-18 | 19bcfab17635… |
| 192.67.17.0 – 192.67.17.255 | 256 | US |
allocated | 1989-12-18 | ed5970f7b761… |
| 192.67.20.0 – 192.67.20.255 | 256 | US |
allocated | 1989-12-18 | 69c2bd3bb7cc… |
| 192.67.21.0 – 192.67.21.255 | 256 | US |
allocated | 1989-12-18 | 69c2bd3bb7cc… |
| 137.168.0.0 – 137.168.255.255 | 65,536 | US |
allocated | 1989-12-13 | 47cbe36c0806… |
| 137.169.0.0 – 137.169.255.255 | 65,536 | US |
allocated | 1989-12-13 | 9b40a13ef799… |
| 137.173.0.0 – 137.173.255.255 | 65,536 | US |
allocated | 1989-12-13 | 7c272239f8f0… |
| 137.187.0.0 – 137.187.255.255 | 65,536 | US |
allocated | 1989-12-13 | bf415d4b2902… |
| 159.230.0.0 – 159.230.255.255 | 65,536 | US |
allocated | 1989-12-13 | f952aecf2b50… |
| 192.65.251.0 – 192.65.251.255 | 256 | US |
allocated | 1989-12-13 | 0dda073ae6fa… |
| 192.65.253.0 – 192.65.253.255 | 256 | US |
allocated | 1989-12-13 | 2f7a58f67c35… |
| 192.65.254.0 – 192.65.254.255 | 256 | US |
allocated | 1989-12-13 | ff99f95b5440… |