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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 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… |
| 192.31.174.0 – 192.31.174.255 | 256 | US |
allocated | 1995-03-24 | 45fe880b68a8… |
| 199.233.163.0 – 199.233.163.255 | 256 | US |
allocated | 1995-03-24 | 760964a97588… |
| 199.233.164.0 – 199.233.164.255 | 256 | US |
allocated | 1995-03-24 | 9026444e71d8… |
| 199.233.165.0 – 199.233.165.255 | 256 | US |
allocated | 1995-03-24 | a4b513128349… |
| 199.233.166.0 – 199.233.166.255 | 256 | US |
allocated | 1995-03-24 | 12b57ec108d9… |
| 199.233.167.0 – 199.233.167.255 | 256 | US |
allocated | 1995-03-24 | 53c586183380… |
| 204.126.234.0 – 204.126.235.255 | 512 | US |
allocated | 1995-03-24 | 15d23e1e58ed… |
| 205.144.80.0 – 205.144.95.255 | 4,096 | US |
allocated | 1995-03-24 | c83eda57bbfe… |
| 205.147.202.0 – 205.147.202.255 | 256 | US |
allocated | 1995-03-24 | 6e048190eb9a… |
| 205.147.208.0 – 205.147.208.255 | 256 | US |
allocated | 1995-03-24 | 6e048190eb9a… |
| 205.147.218.0 – 205.147.218.255 | 256 | US |
allocated | 1995-03-24 | 6e048190eb9a… |
| 205.147.220.0 – 205.147.223.255 | 1,024 | US |
allocated | 1995-03-24 | 6c065d5b54b8… |
| 205.147.235.0 – 205.147.235.255 | 256 | US |
allocated | 1995-03-24 | 6e048190eb9a… |
| 205.153.24.0 – 205.153.27.255 | 1,024 | US |
allocated | 1995-03-24 | 697cc758fc64… |
| 205.153.28.0 – 205.153.31.255 | 1,024 | US |
allocated | 1995-03-24 | 9d1e37a96cdb… |
| 205.157.128.0 – 205.157.143.255 | 4,096 | US |
allocated | 1995-03-24 | 9f14454567a6… |
| 205.157.192.0 – 205.157.255.255 | 16,384 | US |
allocated | 1995-03-24 | d57ef420abb5… |
| 205.159.99.0 – 205.159.99.255 | 256 | US |
allocated | 1995-03-24 | 777e416b4fd4… |
| 205.166.52.0 – 205.166.52.255 | 256 | US |
allocated | 1995-03-24 | 1bf745092aa6… |
| 205.166.53.0 – 205.166.53.255 | 256 | US |
allocated | 1995-03-24 | b2a650c274fa… |
| 205.166.54.0 – 205.166.54.255 | 256 | US |
allocated | 1995-03-24 | 2365ff76fb9a… |
| 205.166.55.0 – 205.166.55.255 | 256 | US |
allocated | 1995-03-24 | 22c0ac77f220… |
| 205.166.57.0 – 205.166.57.255 | 256 | US |
allocated | 1995-03-24 | f3df9d088327… |
| 205.166.58.0 – 205.166.58.255 | 256 | US |
allocated | 1995-03-24 | f3df9d088327… |
| 205.166.59.0 – 205.166.59.255 | 256 | US |
allocated | 1995-03-24 | f3df9d088327… |
| 205.166.60.0 – 205.166.60.255 | 256 | US |
allocated | 1995-03-24 | f3df9d088327… |
| 205.166.61.0 – 205.166.61.255 | 256 | US |
allocated | 1995-03-24 | 1a239a418e77… |
| 205.166.62.0 – 205.166.62.255 | 256 | US |
allocated | 1995-03-24 | 38a328be269f… |
| 205.166.63.0 – 205.166.63.255 | 256 | US |
allocated | 1995-03-24 | 6487813a0cde… |
| 205.167.14.0 – 205.167.15.255 | 512 | US |
allocated | 1995-03-24 | 9cc9b4a4248f… |
| 205.172.24.0 – 205.172.27.255 | 1,024 | US |
allocated | 1995-03-24 | 65435dd97b24… |
| 205.172.28.0 – 205.172.31.255 | 1,024 | US |
allocated | 1995-03-24 | 8f7d14ca4d04… |
| 142.165.0.0 – 142.165.255.255 | 65,536 | CA |
allocated | 1995-03-23 | ce4bae12ced9… |
| 205.166.29.0 – 205.166.29.255 | 256 | US |
allocated | 1995-03-23 | daae4bf579e8… |
| 205.166.30.0 – 205.166.30.255 | 256 | US |
allocated | 1995-03-23 | 7ea34369433b… |
| 205.166.31.0 – 205.166.31.255 | 256 | US |
allocated | 1995-03-23 | 31072109c9c7… |
| 205.166.32.0 – 205.166.32.255 | 256 | US |
allocated | 1995-03-23 | bb3a017576da… |
| 205.166.33.0 – 205.166.33.255 | 256 | US |
allocated | 1995-03-23 | 2fc72c3bfb52… |