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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 205.166.121.0 – 205.166.121.255 | 256 |  US |
allocated | 1995-03-31 | 6df10622ed50… |
| 205.166.122.0 – 205.166.122.255 | 256 | US |
allocated | 1995-03-31 | a02d2066fcf5… |
| 205.166.124.0 – 205.166.124.255 | 256 | US |
allocated | 1995-03-31 | 066c8bed87a4… |
| 205.166.125.0 – 205.166.125.255 | 256 | US |
allocated | 1995-03-31 | ac9dc8c4dedc… |
| 205.166.126.0 – 205.166.126.255 | 256 | US |
allocated | 1995-03-31 | acab16921a70… |
| 205.167.28.0 – 205.167.29.255 | 512 | US |
allocated | 1995-03-31 | dccf8319a9ec… |
| 205.172.60.0 – 205.172.63.255 | 1,024 | US |
allocated | 1995-03-31 | dfed1e9a6c7e… |
| 205.172.64.0 – 205.172.67.255 | 1,024 | US |
allocated | 1995-03-31 | e681ccb67f56… |
| 205.172.72.0 – 205.172.79.255 | 2,048 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.172.80.0 – 205.172.95.255 | 4,096 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.172.96.0 – 205.172.103.255 | 2,048 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.172.104.0 – 205.172.107.255 | 1,024 | US |
allocated | 1995-03-31 | 8ab4822cec44… |
| 205.173.112.0 – 205.173.119.255 | 2,048 | US |
allocated | 1995-03-31 | 36029c89428b… |
| 205.200.0.0 – 205.200.255.255 | 65,536 |  CA |
allocated | 1995-03-31 | 7de51f8320f6… |
| 205.202.0.0 – 205.202.255.255 | 65,536 | US |
allocated | 1995-03-31 | a53917198362… |
| 169.203.0.0 – 169.203.255.255 | 65,536 | US |
allocated | 1995-03-30 | 75f083f5f031… |
| 170.219.0.0 – 170.219.255.255 | 65,536 | US |
allocated | 1995-03-30 | c7231a206d1a… |
| 199.233.168.0 – 199.233.168.255 | 256 | US |
allocated | 1995-03-30 | 4f8ae1950c7b… |
| 205.144.112.0 – 205.144.127.255 | 4,096 | US |
allocated | 1995-03-30 | c397d53815fc… |
| 205.145.224.0 – 205.145.255.255 | 8,192 | US |
allocated | 1995-03-30 | c7231a206d1a… |
| 205.166.112.0 – 205.166.112.255 | 256 | US |
allocated | 1995-03-30 | 370df5de3c6f… |
| 205.166.113.0 – 205.166.113.255 | 256 | US |
allocated | 1995-03-30 | 7c1a4dfa714d… |
| 205.166.114.0 – 205.166.114.255 | 256 | US |
allocated | 1995-03-30 | 24808c081279… |
| 205.166.115.0 – 205.166.115.255 | 256 | US |
allocated | 1995-03-30 | 8e184b636290… |
| 205.166.117.0 – 205.166.117.255 | 256 | US |
allocated | 1995-03-30 | 225a225b817f… |
| 205.166.118.0 – 205.166.118.255 | 256 | US |
allocated | 1995-03-30 | cd56db12f423… |
| 205.167.22.0 – 205.167.23.255 | 512 | US |
allocated | 1995-03-30 | 12faeafe8291… |
| 205.167.24.0 – 205.167.25.255 | 512 | US |
allocated | 1995-03-30 | 2fc72c3bfb52… |
| 205.172.40.0 – 205.172.41.255 | 512 | US |
allocated | 1995-03-30 | 7de6aac4b6fb… |
| 205.172.42.0 – 205.172.42.255 | 256 | US |
allocated | 1995-03-30 | 7de6aac4b6fb… |
| 205.172.44.0 – 205.172.47.255 | 1,024 | US |
allocated | 1995-03-30 | 54894123e5fd… |
| 205.172.48.0 – 205.172.51.255 | 1,024 | US |
allocated | 1995-03-30 | 46020f552cd7… |
| 205.172.52.0 – 205.172.55.255 | 1,024 | US |
allocated | 1995-03-30 | 8823525cb82a… |
| 205.173.104.0 – 205.173.111.255 | 2,048 | US |
allocated | 1995-03-30 | de49ac6d64b8… |
| 205.174.128.0 – 205.174.143.255 | 4,096 | US |
allocated | 1995-03-30 | 8823525cb82a… |
| 205.198.0.0 – 205.199.255.255 | 131,072 | US |
allocated | 1995-03-30 | 37fe01d6d027… |
| 205.148.0.0 – 205.148.63.255 | 16,384 | US |
allocated | 1995-03-29 | 350fe0a40f2f… |
| 205.166.94.0 – 205.166.94.255 | 256 | US |
allocated | 1995-03-29 | aca517fa7342… |
| 205.166.96.0 – 205.166.96.255 | 256 | US |
allocated | 1995-03-29 | 268228a9ef8e… |
| 205.166.97.0 – 205.166.97.255 | 256 | US |
allocated | 1995-03-29 | 36ce4a081050… |
| 205.166.100.0 – 205.166.100.255 | 256 | US |
allocated | 1995-03-29 | 41023b8166d9… |
| 205.166.101.0 – 205.166.101.255 | 256 | US |
allocated | 1995-03-29 | 57502bdffbed… |
| 205.166.102.0 – 205.166.102.255 | 256 | US |
allocated | 1995-03-29 | 68c04d1a2b7e… |
| 205.166.103.0 – 205.166.103.255 | 256 | US |
allocated | 1995-03-29 | 3ca7d85edb3e… |
| 205.166.104.0 – 205.166.104.255 | 256 | US |
allocated | 1995-03-29 | 482bb4c37e60… |
| 205.166.105.0 – 205.166.105.255 | 256 | US |
allocated | 1995-03-29 | 6999b3897a05… |
| 205.166.106.0 – 205.166.106.255 | 256 | US |
allocated | 1995-03-29 | 7f9a2d27a1b9… |
| 205.166.107.0 – 205.166.107.255 | 256 | US |
allocated | 1995-03-29 | 27f173147f22… |
| 205.166.110.0 – 205.166.110.255 | 256 | US |
allocated | 1995-03-29 | 2c186cab4951… |
| 205.166.111.0 – 205.166.111.255 | 256 | US |
allocated | 1995-03-29 | e9fc39df1809… |
| 205.167.18.0 – 205.167.19.255 | 512 | US |
allocated | 1995-03-29 | e0c2ee196016… |
| 205.173.80.0 – 205.173.87.255 | 2,048 | US |
allocated | 1995-03-29 | 0346ce0cee4b… |
| 205.173.88.0 – 205.173.95.255 | 2,048 | US |
allocated | 1995-03-29 | b38f9b23fd4a… |
| 205.174.112.0 – 205.174.127.255 | 4,096 | US |
allocated | 1995-03-29 | 6112bf470599… |
| 155.49.0.0 – 155.49.255.255 | 65,536 | US |
allocated | 1995-03-28 | 1ea571038e65… |
| 205.166.71.0 – 205.166.71.255 | 256 | US |
allocated | 1995-03-28 | c164c0876239… |
| 205.166.72.0 – 205.166.72.255 | 256 | US |
allocated | 1995-03-28 | 4cf429ceccfc… |
| 205.166.73.0 – 205.166.73.255 | 256 | US |
allocated | 1995-03-28 | 46d95e234f40… |
| 205.166.74.0 – 205.166.74.255 | 256 | US |
allocated | 1995-03-28 | e20f80310be7… |
| 205.166.75.0 – 205.166.75.255 | 256 | US |
allocated | 1995-03-28 | 34df6724b850… |
| 205.166.76.0 – 205.166.76.255 | 256 | US |
allocated | 1995-03-28 | 252babceebcc… |
| 205.166.77.0 – 205.166.77.255 | 256 | US |
allocated | 1995-03-28 | d82cb65a56f1… |
| 205.166.78.0 – 205.166.78.255 | 256 | US |
allocated | 1995-03-28 | 3b71f3745baf… |
| 205.166.79.0 – 205.166.79.255 | 256 | US |
allocated | 1995-03-28 | 705027c44517… |
| 205.166.81.0 – 205.166.81.255 | 256 | US |
allocated | 1995-03-28 | 5a249dca29ea… |
| 205.166.82.0 – 205.166.82.255 | 256 | US |
allocated | 1995-03-28 | b19d84b600b7… |
| 205.166.83.0 – 205.166.83.255 | 256 | US |
allocated | 1995-03-28 | 8287baacbf1b… |
| 205.166.84.0 – 205.166.84.255 | 256 | US |
allocated | 1995-03-28 | d84b8e96892f… |
| 205.166.85.0 – 205.166.85.255 | 256 | US |
allocated | 1995-03-28 | 467b9f469038… |
| 205.166.86.0 – 205.166.86.255 | 256 | US |
allocated | 1995-03-28 | 51c4739125e3… |
| 205.166.87.0 – 205.166.87.255 | 256 | US |
allocated | 1995-03-28 | a27c661a7c12… |
| 205.166.88.0 – 205.166.88.255 | 256 | US |
allocated | 1995-03-28 | bcee4dc2d52b… |
| 205.166.89.0 – 205.166.89.255 | 256 | US |
allocated | 1995-03-28 | 5b9985665027… |
| 205.166.90.0 – 205.166.90.255 | 256 | US |
allocated | 1995-03-28 | 66b5afb6b73f… |
| 205.166.92.0 – 205.166.92.255 | 256 | US |
allocated | 1995-03-28 | 69ca8346736b… |
| 205.166.93.0 – 205.166.93.255 | 256 | US |
allocated | 1995-03-28 | fb20891bdff1… |
| 205.172.36.0 – 205.172.39.255 | 1,024 | US |
allocated | 1995-03-28 | 581de8bf8b25… |
| 205.197.0.0 – 205.197.255.255 | 65,536 | US |
allocated | 1995-03-28 | e220ed812a4c… |
| 198.182.167.0 – 198.182.167.255 | 256 | US |
allocated | 1995-03-27 | 8b68032ac271… |
| 199.123.84.0 – 199.123.84.255 | 256 | US |
allocated | 1995-03-27 | 45fe880b68a8… |
| 205.143.56.0 – 205.143.63.255 | 2,048 | US |
allocated | 1995-03-27 | 927ca3d1692b… |
| 205.143.64.0 – 205.143.71.255 | 2,048 | US |
allocated | 1995-03-27 | 23dc75d4d9e1… |
| 205.144.96.0 – 205.144.111.255 | 4,096 | US |
allocated | 1995-03-27 | 0cefc9bc1c46… |
| 205.153.32.0 – 205.153.35.255 | 1,024 | US |
allocated | 1995-03-27 | 972858aa887d… |
| 205.166.65.0 – 205.166.65.255 | 256 | US |
allocated | 1995-03-27 | 48dfdc0c000e… |
| 205.166.66.0 – 205.166.66.255 | 256 | US |
allocated | 1995-03-27 | 75f5e4e709f2… |
| 205.166.69.0 – 205.166.69.255 | 256 | US |
allocated | 1995-03-27 | bec9e37a46dd… |
| 205.166.70.0 – 205.166.70.255 | 256 | US |
allocated | 1995-03-27 | 616a6177a705… |
| 205.167.16.0 – 205.167.17.255 | 512 | US |
allocated | 1995-03-27 | a781d05b94e1… |
| 205.172.32.0 – 205.172.35.255 | 1,024 | US |
allocated | 1995-03-27 | 10967fc5de67… |
| 205.173.64.0 – 205.173.67.255 | 1,024 | US |
allocated | 1995-03-27 | d0714800341b… |
| 205.173.68.0 – 205.173.69.255 | 512 | US |
allocated | 1995-03-27 | d0714800341b… |
| 205.173.70.0 – 205.173.70.255 | 256 | US |
allocated | 1995-03-27 | d0714800341b… |
| 205.173.72.0 – 205.173.75.255 | 1,024 | US |
allocated | 1995-03-27 | fab970f62daf… |
| 205.173.76.0 – 205.173.76.255 | 256 | US |
allocated | 1995-03-27 | fab970f62daf… |
| 205.189.64.0 – 205.189.65.255 | 512 | CA |
allocated | 1995-03-27 | a77819cc95fe… |
| 205.192.0.0 – 205.195.255.255 | 262,144 | CA |
allocated | 1995-03-27 | 84344661f626… |
| 169.199.0.0 – 169.199.255.255 | 65,536 | US |
allocated | 1995-03-24 | 2cdcece8fd72… |
| 169.200.0.0 – 169.200.255.255 | 65,536 | US |
allocated | 1995-03-24 | dd02f9b1a9de… |
| 170.218.0.0 – 170.218.255.255 | 65,536 | US |
allocated | 1995-03-24 | b125b06fcbb3… |