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
1,645,582,848
📦
IPv4 networks
76,670
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,007
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.71.48.0 – 199.71.51.255 | 1,024 |  CA |
allocated | 1994-01-03 | f00786d8469a… |
| 199.84.1.0 – 199.84.1.255 | 256 | CA |
allocated | 1994-01-03 | c0d377d2b75b… |
| 199.84.32.0 – 199.84.35.255 | 1,024 | CA |
allocated | 1994-01-03 | e2b975a40eda… |
| 199.84.36.0 – 199.84.37.255 | 512 | CA |
allocated | 1994-01-03 | e2b975a40eda… |
| 199.85.254.0 – 199.85.254.255 | 256 | CA |
allocated | 1994-01-03 | d19ba3d08fe7… |
| 18.0.0.0 – 18.31.255.255 | 2,097,152 |  US |
allocated | 1994-01-01 | d98c567cda2d… |
| 199.74.247.0 – 199.74.247.255 | 256 | US |
allocated | 1994-01-01 | ccb9c6748de8… |
| 199.74.248.0 – 199.74.248.255 | 256 | US |
allocated | 1994-01-01 | ccb9c6748de8… |
| 199.75.0.0 – 199.75.255.255 | 65,536 | US |
allocated | 1994-01-01 | e5e3b9c13678… |
| 199.76.0.0 – 199.77.255.255 | 131,072 | US |
allocated | 1994-01-01 | e5e3b9c13678… |
| 199.78.0.0 – 199.78.255.255 | 65,536 | US |
allocated | 1994-01-01 | e5e3b9c13678… |
| 204.17.32.0 – 204.17.63.255 | 8,192 | US |
allocated | 1994-01-01 | 43d81dd21b10… |
| 204.43.0.0 – 204.43.255.255 | 65,536 | US |
allocated | 1994-01-01 | 6d25f5314a15… |
| 199.4.32.0 – 199.4.63.255 | 8,192 | US |
allocated | 1993-12-30 | b423aff04c55… |
| 199.26.155.0 – 199.26.155.255 | 256 | US |
allocated | 1993-12-30 | e60db1a01ca9… |
| 199.26.156.0 – 199.26.156.255 | 256 | US |
allocated | 1993-12-30 | 8ae8f45c184a… |
| 199.26.157.0 – 199.26.157.255 | 256 | US |
allocated | 1993-12-30 | 13acbaa4be35… |
| 199.97.0.0 – 199.97.255.255 | 65,536 | US |
allocated | 1993-12-30 | 37fe01d6d027… |
| 199.98.0.0 – 199.99.255.255 | 131,072 | US |
allocated | 1993-12-30 | 37fe01d6d027… |
| 199.100.0.0 – 199.100.255.255 | 65,536 | US |
allocated | 1993-12-30 | 37fe01d6d027… |
| 166.122.0.0 – 166.122.255.255 | 65,536 | US |
allocated | 1993-12-29 | 981d75d0be57… |
| 166.123.0.0 – 166.123.255.255 | 65,536 | US |
allocated | 1993-12-29 | 9d1a6433fbac… |
| 170.19.0.0 – 170.19.255.255 | 65,536 | US |
allocated | 1993-12-29 | 522b67bd7967… |
| 198.184.213.0 – 198.184.213.255 | 256 | US |
allocated | 1993-12-29 | fc20f160a04b… |
| 198.184.214.0 – 198.184.214.255 | 256 | US |
allocated | 1993-12-29 | 28881b2c735c… |
| 198.184.215.0 – 198.184.215.255 | 256 | US |
allocated | 1993-12-29 | e668c0c09643… |
| 198.184.216.0 – 198.184.216.255 | 256 | US |
allocated | 1993-12-29 | e668c0c09643… |
| 198.184.217.0 – 198.184.217.255 | 256 | US |
allocated | 1993-12-29 | 4ab8c508d88d… |
| 198.184.218.0 – 198.184.218.255 | 256 | US |
allocated | 1993-12-29 | 2d01dc63ddc9… |
| 198.184.219.0 – 198.184.219.255 | 256 | US |
allocated | 1993-12-29 | 3663c9f6a0a1… |
| 198.184.220.0 – 198.184.220.255 | 256 | US |
allocated | 1993-12-29 | b0eb74199c39… |
| 198.184.221.0 – 198.184.221.255 | 256 | US |
allocated | 1993-12-29 | 7e120c65d659… |
| 198.184.223.0 – 198.184.223.255 | 256 | US |
allocated | 1993-12-29 | a1249f9214fc… |
| 198.184.224.0 – 198.184.224.255 | 256 | US |
allocated | 1993-12-29 | f8357427a373… |
| 198.184.225.0 – 198.184.225.255 | 256 | US |
allocated | 1993-12-29 | bf58293d1756… |
| 198.184.226.0 – 198.184.226.255 | 256 | US |
allocated | 1993-12-29 | 3eb09618f654… |
| 198.184.227.0 – 198.184.227.255 | 256 | US |
allocated | 1993-12-29 | 5fc810cf6260… |
| 198.184.228.0 – 198.184.229.255 | 512 | US |
allocated | 1993-12-29 | 406ee9394c7b… |
| 198.184.230.0 – 198.184.230.255 | 256 | US |
allocated | 1993-12-29 | 406ee9394c7b… |
| 198.184.231.0 – 198.184.231.255 | 256 | US |
allocated | 1993-12-29 | 003b7834b373… |
| 198.184.232.0 – 198.184.235.255 | 1,024 | US |
allocated | 1993-12-29 | 003b7834b373… |
| 198.184.236.0 – 198.184.239.255 | 1,024 | US |
allocated | 1993-12-29 | ae5793a75081… |
| 198.184.240.0 – 198.184.240.255 | 256 | US |
allocated | 1993-12-29 | ae5793a75081… |
| 198.184.241.0 – 198.184.241.255 | 256 | US |
allocated | 1993-12-29 | d1450c80f5fc… |
| 198.184.242.0 – 198.184.243.255 | 512 | US |
allocated | 1993-12-29 | d1450c80f5fc… |
| 198.184.244.0 – 198.184.244.255 | 256 | US |
allocated | 1993-12-29 | d1450c80f5fc… |
| 198.184.250.0 – 198.184.250.255 | 256 | US |
allocated | 1993-12-29 | f381c8757c55… |
| 198.184.251.0 – 198.184.251.255 | 256 | US |
allocated | 1993-12-29 | 29fee93ea410… |
| 198.184.252.0 – 198.184.253.255 | 512 | US |
allocated | 1993-12-29 | 29fee93ea410… |
| 198.184.254.0 – 198.184.254.255 | 256 | US |
allocated | 1993-12-29 | 29fee93ea410… |
| 198.185.128.0 – 198.185.128.255 | 256 | US |
allocated | 1993-12-29 | 31cbe02c6e48… |
| 199.26.142.0 – 199.26.142.255 | 256 | US |
allocated | 1993-12-29 | 9dc2710721a0… |
| 199.26.143.0 – 199.26.143.255 | 256 | US |
allocated | 1993-12-29 | f7492b3f77af… |
| 199.26.144.0 – 199.26.144.255 | 256 | US |
allocated | 1993-12-29 | cde14cd30447… |
| 199.26.145.0 – 199.26.145.255 | 256 | US |
allocated | 1993-12-29 | 52fbe6454da5… |
| 199.26.146.0 – 199.26.146.255 | 256 | US |
allocated | 1993-12-29 | a258ffbd1dab… |
| 199.26.147.0 – 199.26.147.255 | 256 | US |
allocated | 1993-12-29 | 0506154e625e… |
| 199.26.148.0 – 199.26.149.255 | 512 | US |
allocated | 1993-12-29 | 6ce1b2f118bf… |
| 199.26.153.0 – 199.26.153.255 | 256 | US |
allocated | 1993-12-29 | af60f1c80d06… |
| 199.26.154.0 – 199.26.154.255 | 256 | US |
allocated | 1993-12-29 | 23de0b6bf261… |
| 199.96.0.0 – 199.96.7.255 | 2,048 | US |
allocated | 1993-12-29 | dc58510341f6… |
| 199.96.8.0 – 199.96.9.255 | 512 | US |
allocated | 1993-12-29 | dc58510341f6… |
| 199.96.16.0 – 199.96.23.255 | 2,048 | US |
allocated | 1993-12-29 | 4c3c719d4393… |
| 199.96.24.0 – 199.96.27.255 | 1,024 | US |
allocated | 1993-12-29 | 4c3c719d4393… |
| 199.26.128.0 – 199.26.131.255 | 1,024 | US |
allocated | 1993-12-28 | f33b85c4b0e4… |
| 199.26.132.0 – 199.26.132.255 | 256 | US |
allocated | 1993-12-28 | f4845f6d5acc… |
| 199.26.137.0 – 199.26.137.255 | 256 | US |
allocated | 1993-12-28 | 1d6df64affdb… |
| 199.26.138.0 – 199.26.138.255 | 256 | US |
allocated | 1993-12-28 | 7551161b7b0a… |
| 199.26.139.0 – 199.26.139.255 | 256 | US |
allocated | 1993-12-28 | d5b37bce04af… |
| 199.26.140.0 – 199.26.140.255 | 256 | US |
allocated | 1993-12-28 | ae878af330e2… |
| 199.26.141.0 – 199.26.141.255 | 256 | US |
allocated | 1993-12-28 | b1e616976c5b… |
| 192.171.16.0 – 192.171.16.255 | 256 | US |
allocated | 1993-12-27 | 45fe880b68a8… |
| 192.171.17.0 – 192.171.17.255 | 256 | US |
allocated | 1993-12-27 | 45fe880b68a8… |
| 198.97.41.0 – 198.97.41.255 | 256 | US |
allocated | 1993-12-27 | 88d2f48339d6… |
| 198.163.84.0 – 198.163.87.255 | 1,024 | CA |
allocated | 1993-12-27 | 8500a3db21e9… |
| 198.163.88.0 – 198.163.91.255 | 1,024 | CA |
allocated | 1993-12-27 | 0da78a2fc060… |
| 198.184.208.0 – 198.184.208.255 | 256 | US |
allocated | 1993-12-27 | 91c920637911… |
| 198.184.209.0 – 198.184.209.255 | 256 | US |
allocated | 1993-12-27 | de71c89f1523… |
| 198.184.210.0 – 198.184.210.255 | 256 | US |
allocated | 1993-12-27 | 75121df985c4… |
| 198.184.211.0 – 198.184.211.255 | 256 | US |
allocated | 1993-12-27 | 7a084dcb74ca… |
| 198.184.212.0 – 198.184.212.255 | 256 | US |
allocated | 1993-12-27 | 63709dca6f85… |
| 199.5.221.0 – 199.5.221.255 | 256 | US |
allocated | 1993-12-27 | b80646d61dd8… |
| 199.5.222.0 – 199.5.222.255 | 256 | US |
allocated | 1993-12-27 | 80432c69b14d… |
| 199.5.224.0 – 199.5.224.255 | 256 | US |
allocated | 1993-12-27 | 80851332eeb0… |
| 199.5.225.0 – 199.5.225.255 | 256 | US |
allocated | 1993-12-27 | aab51936e15e… |
| 199.5.226.0 – 199.5.227.255 | 512 | US |
allocated | 1993-12-27 | aab51936e15e… |
| 199.5.229.0 – 199.5.229.255 | 256 | US |
allocated | 1993-12-27 | c232ba75898f… |
| 199.5.230.0 – 199.5.230.255 | 256 | US |
allocated | 1993-12-27 | d8c24e4d45b6… |
| 199.5.231.0 – 199.5.231.255 | 256 | US |
allocated | 1993-12-27 | 3bcfc04e4d60… |
| 199.5.232.0 – 199.5.232.255 | 256 | US |
allocated | 1993-12-27 | cf25f475731d… |
| 199.5.233.0 – 199.5.233.255 | 256 | US |
allocated | 1993-12-27 | 442d612f2688… |
| 199.5.234.0 – 199.5.235.255 | 512 | US |
allocated | 1993-12-27 | 442d612f2688… |
| 199.5.236.0 – 199.5.237.255 | 512 | US |
allocated | 1993-12-27 | 442d612f2688… |
| 199.5.238.0 – 199.5.238.255 | 256 | US |
allocated | 1993-12-27 | 883ec0a54faa… |
| 199.5.239.0 – 199.5.239.255 | 256 | US |
allocated | 1993-12-27 | efde57b5e16e… |
| 199.5.240.0 – 199.5.240.255 | 256 | US |
allocated | 1993-12-27 | 81356740ee95… |
| 199.5.241.0 – 199.5.241.255 | 256 | US |
allocated | 1993-12-27 | 8327cd9081e0… |
| 199.5.242.0 – 199.5.242.255 | 256 | US |
allocated | 1993-12-27 | 9d27e178f904… |
| 199.5.243.0 – 199.5.243.255 | 256 | US |
allocated | 1993-12-27 | 7328d0f0d70e… |
| 199.5.244.0 – 199.5.245.255 | 512 | US |
allocated | 1993-12-27 | 7328d0f0d70e… |