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
1,645,583,360
📦
IPv4 networks
76,686
delegated blocks
🧭
IPv6 networks
11,342
delegated blocks
🔗
Autonomous systems
34,022
ASNs
// browse the objects
Browse the ARIN registry
| Range | Addresses | Country | Status | Allocated | Org handle |
|---|---|---|---|---|---|
| 199.245.184.0 – 199.245.184.255 | 256 |  US |
allocated | 1994-05-19 | 61df2b03acbf… |
| 199.245.185.0 – 199.245.185.255 | 256 | US |
allocated | 1994-05-19 | 3cfc7c747848… |
| 199.245.186.0 – 199.245.186.255 | 256 | US |
allocated | 1994-05-19 | 9ad05b661654… |
| 199.245.187.0 – 199.245.187.255 | 256 | US |
allocated | 1994-05-19 | 19b30f7d6dc3… |
| 199.245.188.0 – 199.245.188.255 | 256 | US |
allocated | 1994-05-19 | 684ee4178908… |
| 204.28.64.0 – 204.28.95.255 | 8,192 | US |
allocated | 1994-05-19 | 182973401355… |
| 204.28.96.0 – 204.28.97.255 | 512 | US |
allocated | 1994-05-19 | 182973401355… |
| 204.28.98.0 – 204.28.98.255 | 256 | US |
allocated | 1994-05-19 | 182973401355… |
| 204.46.0.0 – 204.47.255.255 | 131,072 | US |
allocated | 1994-05-19 | dcdca59678af… |
| 168.159.0.0 – 168.159.255.255 | 65,536 | US |
allocated | 1994-05-18 | 4cb61b484442… |
| 170.136.0.0 – 170.136.255.255 | 65,536 | US |
allocated | 1994-05-18 | 84809c695116… |
| 170.137.0.0 – 170.137.255.255 | 65,536 | US |
allocated | 1994-05-18 | d5e6de13e512… |
| 170.138.0.0 – 170.138.255.255 | 65,536 | US |
allocated | 1994-05-18 | 4dd73aa18db6… |
| 170.139.240.0 – 170.139.255.255 | 4,096 | US |
allocated | 1994-05-18 | ff102efc6628… |
| 170.140.0.0 – 170.140.255.255 | 65,536 | US |
allocated | 1994-05-18 | 28a5268e5b7b… |
| 170.145.0.0 – 170.145.255.255 | 65,536 | US |
allocated | 1994-05-18 | 43dfb63699c0… |
| 170.146.0.0 – 170.146.255.255 | 65,536 | US |
allocated | 1994-05-18 | e53d8bdda2d5… |
| 170.147.0.0 – 170.147.255.255 | 65,536 | US |
allocated | 1994-05-18 | e5e3b9c13678… |
| 170.148.0.0 – 170.148.255.255 | 65,536 | US |
allocated | 1994-05-18 | 4b3e152c829c… |
| 170.149.0.0 – 170.149.255.255 | 65,536 | US |
allocated | 1994-05-18 | bc8d7ad760f1… |
| 198.177.0.0 – 198.177.3.255 | 1,024 | US |
allocated | 1994-05-18 | 74d12b221fb4… |
| 198.177.4.0 – 198.177.5.255 | 512 | US |
allocated | 1994-05-18 | 74d12b221fb4… |
| 198.204.80.0 – 198.204.80.255 | 256 | US |
allocated | 1994-05-18 | 9b4fa795f4d6… |
| 198.204.81.0 – 198.204.81.255 | 256 | US |
allocated | 1994-05-18 | ce9d20f1ae5c… |
| 198.204.83.0 – 198.204.83.255 | 256 | US |
allocated | 1994-05-18 | 1fe54e16ffb7… |
| 198.204.84.0 – 198.204.84.255 | 256 | US |
allocated | 1994-05-18 | 58f928080fc1… |
| 198.204.85.0 – 198.204.85.255 | 256 | US |
allocated | 1994-05-18 | d13cf4110468… |
| 198.204.86.0 – 198.204.86.255 | 256 | US |
allocated | 1994-05-18 | e678d294c787… |
| 198.204.87.0 – 198.204.87.255 | 256 | US |
allocated | 1994-05-18 | 582addf247eb… |
| 198.204.88.0 – 198.204.91.255 | 1,024 | US |
allocated | 1994-05-18 | 5b0d3ab18a1a… |
| 198.204.92.0 – 198.204.92.255 | 256 | US |
allocated | 1994-05-18 | 6312fc2de328… |
| 198.204.93.0 – 198.204.93.255 | 256 | US |
allocated | 1994-05-18 | 6cdafa57915a… |
| 198.204.94.0 – 198.204.94.255 | 256 | US |
allocated | 1994-05-18 | 18171594ea85… |
| 198.204.95.0 – 198.204.95.255 | 256 | US |
allocated | 1994-05-18 | a662ec20ba5b… |
| 198.204.96.0 – 198.204.96.255 | 256 | US |
allocated | 1994-05-18 | 73769e067df8… |
| 198.210.128.0 – 198.210.255.255 | 32,768 | US |
allocated | 1994-05-18 | eee4911c1d68… |
| 198.212.252.0 – 198.212.255.255 | 1,024 | US |
allocated | 1994-05-18 | 17ee25cec3e2… |
| 199.125.8.0 – 199.125.11.255 | 1,024 | US |
allocated | 1994-05-18 | 031964691733… |
| 199.125.12.0 – 199.125.13.255 | 512 | US |
allocated | 1994-05-18 | 031964691733… |
| 199.125.14.0 – 199.125.14.255 | 256 | US |
allocated | 1994-05-18 | 031964691733… |
| 199.202.66.0 – 199.202.67.255 | 512 |  CA |
allocated | 1994-05-18 | c4766f150db1… |
| 199.202.68.0 – 199.202.71.255 | 1,024 | CA |
allocated | 1994-05-18 | c4766f150db1… |
| 199.242.244.0 – 199.242.244.255 | 256 | US |
allocated | 1994-05-18 | e251ce7d0132… |
| 199.245.145.0 – 199.245.145.255 | 256 | US |
allocated | 1994-05-18 | e6aea736c7fa… |
| 199.245.153.0 – 199.245.153.255 | 256 | US |
allocated | 1994-05-18 | 7c45dddb8d83… |
| 199.245.154.0 – 199.245.154.255 | 256 | US |
allocated | 1994-05-18 | e8f85a145577… |
| 199.245.155.0 – 199.245.155.255 | 256 | US |
allocated | 1994-05-18 | 59c98ad3f1ef… |
| 199.245.156.0 – 199.245.156.255 | 256 | US |
allocated | 1994-05-18 | 6de69e6ee31d… |
| 199.245.157.0 – 199.245.157.255 | 256 | US |
allocated | 1994-05-18 | 0eeabd2c32b0… |
| 199.245.158.0 – 199.245.158.255 | 256 | US |
allocated | 1994-05-18 | c4a2e53b6cbf… |
| 199.245.159.0 – 199.245.159.255 | 256 | US |
allocated | 1994-05-18 | 922c568c34d8… |
| 199.245.160.0 – 199.245.161.255 | 512 | US |
allocated | 1994-05-18 | bd3c9c5d1c5d… |
| 199.245.163.0 – 199.245.163.255 | 256 | US |
allocated | 1994-05-18 | eb1d54ad42f0… |
| 199.245.164.0 – 199.245.165.255 | 512 | US |
allocated | 1994-05-18 | eb1d54ad42f0… |
| 199.245.166.0 – 199.245.166.255 | 256 | US |
allocated | 1994-05-18 | eb1d54ad42f0… |
| 199.245.167.0 – 199.245.167.255 | 256 | US |
allocated | 1994-05-18 | 121b8005b8f9… |
| 199.245.168.0 – 199.245.168.255 | 256 | US |
allocated | 1994-05-18 | 9ca5da51a2fc… |
| 204.27.32.0 – 204.27.47.255 | 4,096 | US |
allocated | 1994-05-18 | 4b3e152c829c… |
| 204.27.48.0 – 204.27.51.255 | 1,024 | US |
allocated | 1994-05-18 | 4b3e152c829c… |
| 204.28.0.0 – 204.28.7.255 | 2,048 | US |
allocated | 1994-05-18 | c4ff8c718bfd… |
| 204.28.8.0 – 204.28.9.255 | 512 | US |
allocated | 1994-05-18 | c4ff8c718bfd… |
| 204.44.16.0 – 204.44.31.255 | 4,096 | US |
allocated | 1994-05-18 | e27f6290dc68… |
| 204.44.32.0 – 204.44.47.255 | 4,096 | US |
allocated | 1994-05-18 | b60239acfba8… |
| 204.44.48.0 – 204.44.55.255 | 2,048 | US |
allocated | 1994-05-18 | b60239acfba8… |
| 204.44.56.0 – 204.44.56.255 | 256 | US |
allocated | 1994-05-18 | b60239acfba8… |
| 192.139.43.0 – 192.139.43.255 | 256 | CA |
allocated | 1994-05-17 | 5e593d716ba8… |
| 198.161.219.0 – 198.161.219.255 | 256 | CA |
allocated | 1994-05-17 | c190176231ab… |
| 198.161.220.0 – 198.161.220.255 | 256 | CA |
allocated | 1994-05-17 | ee89883109f5… |
| 198.161.224.0 – 198.161.227.255 | 1,024 | US |
allocated | 1994-05-17 | 7013a13d0ca7… |
| 198.163.158.0 – 198.163.159.255 | 512 | CA |
allocated | 1994-05-17 | 8acc761f600f… |
| 198.204.71.0 – 198.204.71.255 | 256 |  PR |
allocated | 1994-05-17 | 14207233dcf9… |
| 198.204.72.0 – 198.204.72.255 | 256 | PR |
allocated | 1994-05-17 | 14207233dcf9… |
| 198.204.73.0 – 198.204.73.255 | 256 | US |
allocated | 1994-05-17 | 103a61770d06… |
| 198.204.74.0 – 198.204.74.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.75.0 – 198.204.75.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.76.0 – 198.204.76.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.77.0 – 198.204.77.255 | 256 | US |
allocated | 1994-05-17 | 043bfd8cfce8… |
| 198.204.79.0 – 198.204.79.255 | 256 | US |
allocated | 1994-05-17 | ebac0c313797… |
| 198.235.32.0 – 198.235.47.255 | 4,096 | US |
allocated | 1994-05-17 | 2c8b166870cf… |
| 199.43.248.0 – 199.43.248.255 | 256 | CA |
allocated | 1994-05-17 | 86b1d339bba4… |
| 199.71.120.0 – 199.71.120.255 | 256 | CA |
allocated | 1994-05-17 | a2eba22c6c42… |
| 199.84.154.0 – 199.84.154.255 | 256 | CA |
allocated | 1994-05-17 | a47edfb1019d… |
| 199.84.155.0 – 199.84.155.255 | 256 | CA |
allocated | 1994-05-17 | a92547f1ab18… |
| 199.84.156.0 – 199.84.156.255 | 256 | CA |
allocated | 1994-05-17 | 3585d867c4de… |
| 199.84.246.0 – 199.84.247.255 | 512 | CA |
allocated | 1994-05-17 | b04f04d26361… |
| 199.175.239.0 – 199.175.239.255 | 256 | CA |
allocated | 1994-05-17 | a2b4a5929ff4… |
| 199.212.12.0 – 199.212.13.255 | 512 | CA |
allocated | 1994-05-17 | 9aebb9cc756f… |
| 199.242.231.0 – 199.242.231.255 | 256 | US |
allocated | 1994-05-17 | 2fc72c3bfb52… |
| 199.242.232.0 – 199.242.233.255 | 512 | US |
allocated | 1994-05-17 | 2fc72c3bfb52… |
| 199.242.234.0 – 199.242.235.255 | 512 | US |
allocated | 1994-05-17 | 39319c22f53f… |
| 199.242.236.0 – 199.242.239.255 | 1,024 | US |
allocated | 1994-05-17 | 39319c22f53f… |
| 199.242.240.0 – 199.242.241.255 | 512 | US |
allocated | 1994-05-17 | 2a7913e16c40… |
| 199.242.242.0 – 199.242.242.255 | 256 | US |
allocated | 1994-05-17 | 6d39d3ccd38b… |
| 199.242.243.0 – 199.242.243.255 | 256 | US |
allocated | 1994-05-17 | 5724f844b7d8… |
| 199.242.246.0 – 199.242.246.255 | 256 | US |
allocated | 1994-05-17 | d4974831d028… |
| 199.242.247.0 – 199.242.247.255 | 256 | US |
allocated | 1994-05-17 | 4a5e296bb4f4… |
| 199.242.248.0 – 199.242.248.255 | 256 | US |
allocated | 1994-05-17 | 4a5e296bb4f4… |
| 199.242.251.0 – 199.242.251.255 | 256 | US |
allocated | 1994-05-17 | 41ded441f5af… |
| 199.242.252.0 – 199.242.252.255 | 256 | US |
allocated | 1994-05-17 | d46cfba0baf0… |
| 199.246.180.0 – 199.246.183.255 | 1,024 | CA |
allocated | 1994-05-17 | b35131de1ab4… |