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 |
|---|---|---|---|---|---|
| 204.27.184.0 – 204.27.184.255 | 256 |  US |
allocated | 1994-11-21 | a8c57212044e… |
| 204.27.185.0 – 204.27.185.255 | 256 | US |
allocated | 1994-11-21 | 33f786e15eb4… |
| 204.27.187.0 – 204.27.187.255 | 256 | US |
allocated | 1994-11-21 | 7dc7eb754862… |
| 204.63.184.0 – 204.63.187.255 | 1,024 | US |
allocated | 1994-11-21 | e125ef1d336e… |
| 204.63.188.0 – 204.63.189.255 | 512 | US |
allocated | 1994-11-21 | e125ef1d336e… |
| 204.124.176.0 – 204.124.179.255 | 1,024 | US |
allocated | 1994-11-21 | 37bac62e9a6d… |
| 204.126.94.0 – 204.126.95.255 | 512 | US |
allocated | 1994-11-21 | a6ef236ed0bd… |
| 160.133.0.0 – 160.133.255.255 | 65,536 | US |
allocated | 1994-11-18 | 45fe880b68a8… |
| 160.134.0.0 – 160.134.255.255 | 65,536 | US |
allocated | 1994-11-18 | 45fe880b68a8… |
| 169.148.192.0 – 169.148.255.255 | 16,384 | US |
allocated | 1994-11-18 | 228ff9c30ae4… |
| 192.30.208.0 – 192.30.208.255 | 256 | US |
allocated | 1994-11-18 | c39724829789… |
| 204.27.175.0 – 204.27.175.255 | 256 | US |
allocated | 1994-11-18 | 1ef9f9a944da… |
| 204.27.176.0 – 204.27.176.255 | 256 | US |
allocated | 1994-11-18 | 0596821a6910… |
| 204.27.177.0 – 204.27.177.255 | 256 | US |
allocated | 1994-11-18 | 60a91c0376a7… |
| 204.27.178.0 – 204.27.178.255 | 256 | US |
allocated | 1994-11-18 | b82f77fe9c29… |
| 204.27.180.0 – 204.27.180.255 | 256 | US |
allocated | 1994-11-18 | 667cab68f31c… |
| 204.27.181.0 – 204.27.181.255 | 256 | US |
allocated | 1994-11-18 | 81939d905546… |
| 204.63.176.0 – 204.63.183.255 | 2,048 | US |
allocated | 1994-11-18 | 916d747d7bed… |
| 204.110.240.0 – 204.110.255.255 | 4,096 | US |
allocated | 1994-11-18 | e220ed812a4c… |
| 204.126.92.0 – 204.126.93.255 | 512 | US |
allocated | 1994-11-18 | cb11a4ebf772… |
| 204.130.176.0 – 204.130.176.255 | 256 | US |
allocated | 1994-11-18 | d0c500e7a569… |
| 204.147.16.0 – 204.147.31.255 | 4,096 | US |
allocated | 1994-11-18 | 19c37c795ee3… |
| 204.152.42.0 – 204.152.43.255 | 512 | US |
allocated | 1994-11-18 | c0d8277c6599… |
| 204.152.44.0 – 204.152.45.255 | 512 | US |
allocated | 1994-11-18 | 9e46ab47277f… |
| 204.154.228.0 – 204.154.228.255 | 256 |  PR |
allocated | 1994-11-18 | cab838ed7a3f… |
| 204.154.232.0 – 204.154.239.255 | 2,048 | US |
allocated | 1994-11-18 | cdb7d42057bd… |
| 204.191.0.0 – 204.191.255.255 | 65,536 |  CA |
allocated | 1994-11-18 | 0e702695cc8d… |
| 170.202.0.0 – 170.202.255.255 | 65,536 | US |
allocated | 1994-11-17 | 4e16cd00a12b… |
| 198.163.114.0 – 198.163.114.255 | 256 | CA |
allocated | 1994-11-17 | 58fd305adcad… |
| 204.88.224.0 – 204.88.255.255 | 8,192 | US |
allocated | 1994-11-17 | 3123711295e6… |
| 204.130.170.0 – 204.130.170.255 | 256 | US |
allocated | 1994-11-17 | ace55d4dc090… |
| 204.130.171.0 – 204.130.171.255 | 256 | US |
allocated | 1994-11-17 | 1834c3b90eef… |
| 204.130.172.0 – 204.130.172.255 | 256 | US |
allocated | 1994-11-17 | 0eca73396e72… |
| 204.130.173.0 – 204.130.173.255 | 256 | US |
allocated | 1994-11-17 | 270049b12b0c… |
| 204.130.174.0 – 204.130.174.255 | 256 | US |
allocated | 1994-11-17 | a5e20a811f2c… |
| 204.130.175.0 – 204.130.175.255 | 256 | US |
allocated | 1994-11-17 | 773f1ef3d780… |
| 204.147.0.0 – 204.147.15.255 | 4,096 | US |
allocated | 1994-11-17 | 5632d8768f10… |
| 199.123.77.0 – 199.123.77.255 | 256 | US |
allocated | 1994-11-16 | 45fe880b68a8… |
| 199.124.64.0 – 199.124.127.255 | 16,384 | US |
allocated | 1994-11-16 | 45fe880b68a8… |
| 204.27.163.0 – 204.27.163.255 | 256 | US |
allocated | 1994-11-16 | ca8e91f64ee1… |
| 204.27.164.0 – 204.27.164.255 | 256 | US |
allocated | 1994-11-16 | 6c1a839448d2… |
| 204.27.165.0 – 204.27.165.255 | 256 | US |
allocated | 1994-11-16 | d2199eb2586a… |
| 204.27.166.0 – 204.27.166.255 | 256 | US |
allocated | 1994-11-16 | 9d22bb7f677f… |
| 204.27.168.0 – 204.27.168.255 | 256 | US |
allocated | 1994-11-16 | 542815c2d7c6… |
| 204.27.169.0 – 204.27.169.255 | 256 | US |
allocated | 1994-11-16 | 84442bec5fa8… |
| 204.27.170.0 – 204.27.170.255 | 256 | US |
allocated | 1994-11-16 | a5f9343e505d… |
| 204.27.172.0 – 204.27.172.255 | 256 | US |
allocated | 1994-11-16 | c77162b2daf0… |
| 204.27.173.0 – 204.27.173.255 | 256 | US |
allocated | 1994-11-16 | 5cf4f4185e4b… |
| 204.63.160.0 – 204.63.167.255 | 2,048 | US |
allocated | 1994-11-16 | bf61984bb07e… |
| 204.110.224.0 – 204.110.239.255 | 4,096 | US |
allocated | 1994-11-16 | 0d19465986ce… |
| 204.124.172.0 – 204.124.175.255 | 1,024 | US |
allocated | 1994-11-16 | e3fe6d057f44… |
| 204.126.90.0 – 204.126.91.255 | 512 | US |
allocated | 1994-11-16 | 2f0f96922be8… |
| 204.130.152.0 – 204.130.152.255 | 256 | US |
allocated | 1994-11-16 | 2b67b61fa0c0… |
| 204.130.153.0 – 204.130.153.255 | 256 | US |
allocated | 1994-11-16 | e8c34100bc6c… |
| 204.130.154.0 – 204.130.154.255 | 256 | US |
allocated | 1994-11-16 | 5f8bb57cfa30… |
| 204.130.155.0 – 204.130.155.255 | 256 | US |
allocated | 1994-11-16 | 0cf05543dd1f… |
| 204.130.156.0 – 204.130.156.255 | 256 | US |
allocated | 1994-11-16 | c712bc246d3b… |
| 204.130.157.0 – 204.130.157.255 | 256 | US |
allocated | 1994-11-16 | 060a6412a2ea… |
| 204.130.158.0 – 204.130.158.255 | 256 | US |
allocated | 1994-11-16 | 10ccf81118a9… |
| 204.130.159.0 – 204.130.159.255 | 256 | US |
allocated | 1994-11-16 | fc3ed445dab5… |
| 204.130.160.0 – 204.130.160.255 | 256 | US |
allocated | 1994-11-16 | 4ffcf85a499b… |
| 204.130.161.0 – 204.130.161.255 | 256 | US |
allocated | 1994-11-16 | e422a7725959… |
| 204.130.162.0 – 204.130.162.255 | 256 | US |
allocated | 1994-11-16 | 79297ca2495a… |
| 204.130.163.0 – 204.130.163.255 | 256 | US |
allocated | 1994-11-16 | a73219aba5cf… |
| 204.130.164.0 – 204.130.164.255 | 256 | US |
allocated | 1994-11-16 | 5e69cc5c85de… |
| 204.130.165.0 – 204.130.165.255 | 256 | US |
allocated | 1994-11-16 | 3a04887d07d3… |
| 204.130.166.0 – 204.130.166.255 | 256 | US |
allocated | 1994-11-16 | a139a0fffaef… |
| 204.130.168.0 – 204.130.168.255 | 256 | US |
allocated | 1994-11-16 | f4b8fa150037… |
| 204.130.169.0 – 204.130.169.255 | 256 | US |
allocated | 1994-11-16 | 66796d2e2090… |
| 204.153.116.0 – 204.153.119.255 | 1,024 | US |
allocated | 1994-11-16 | 846afb2e3b4c… |
| 204.155.224.0 – 204.155.239.255 | 4,096 | US |
allocated | 1994-11-16 | e14d3971eac2… |
| 129.192.0.0 – 129.192.255.255 | 65,536 | US |
allocated | 1994-11-15 | 41d606401cb6… |
| 169.146.0.0 – 169.146.255.255 | 65,536 | US |
allocated | 1994-11-15 | cced106ddff1… |
| 169.147.0.0 – 169.147.255.255 | 65,536 | US |
allocated | 1994-11-15 | 90c59f13dcf7… |
| 170.201.0.0 – 170.201.255.255 | 65,536 | US |
allocated | 1994-11-15 | 5b48cb28f432… |
| 204.27.158.0 – 204.27.158.255 | 256 | US |
allocated | 1994-11-15 | dc4dab5d216e… |
| 204.27.159.0 – 204.27.159.255 | 256 | US |
allocated | 1994-11-15 | bd66c1ef1c9c… |
| 204.27.160.0 – 204.27.160.255 | 256 | US |
allocated | 1994-11-15 | 9c221bcf6628… |
| 204.27.161.0 – 204.27.161.255 | 256 | US |
allocated | 1994-11-15 | f976bdf798aa… |
| 204.63.152.0 – 204.63.159.255 | 2,048 | US |
allocated | 1994-11-15 | 0f1f21aa2a41… |
| 204.87.64.0 – 204.87.127.255 | 16,384 | US |
allocated | 1994-11-15 | 8044cda699de… |
| 204.126.84.0 – 204.126.85.255 | 512 | US |
allocated | 1994-11-15 | 4cf736351d33… |
| 204.126.86.0 – 204.126.87.255 | 512 | US |
allocated | 1994-11-15 | 18d1c90467c0… |
| 204.126.88.0 – 204.126.89.255 | 512 | US |
allocated | 1994-11-15 | e812e7fce7ae… |
| 204.130.142.0 – 204.130.142.255 | 256 | US |
allocated | 1994-11-15 | f387ba283975… |
| 204.130.143.0 – 204.130.143.255 | 256 | US |
allocated | 1994-11-15 | c0f02099d0d3… |
| 204.130.144.0 – 204.130.144.255 | 256 | US |
allocated | 1994-11-15 | b8dbf614b2c3… |
| 204.130.145.0 – 204.130.145.255 | 256 | US |
allocated | 1994-11-15 | 88d12bf49851… |
| 204.130.146.0 – 204.130.146.255 | 256 | US |
allocated | 1994-11-15 | 445169686799… |
| 204.130.148.0 – 204.130.148.255 | 256 | US |
allocated | 1994-11-15 | 22a8fea39bc2… |
| 204.130.149.0 – 204.130.149.255 | 256 | US |
allocated | 1994-11-15 | a6a3c3d42338… |
| 204.130.150.0 – 204.130.150.255 | 256 | US |
allocated | 1994-11-15 | 8ed725692de9… |
| 204.154.208.0 – 204.154.215.255 | 2,048 | US |
allocated | 1994-11-15 | 51ddac48c07e… |
| 204.154.216.0 – 204.154.223.255 | 2,048 | US |
allocated | 1994-11-15 | 424bfcacb580… |
| 204.155.208.0 – 204.155.223.255 | 4,096 | US |
allocated | 1994-11-15 | 42f1ca17531c… |
| 204.190.0.0 – 204.190.255.255 | 65,536 | US |
allocated | 1994-11-15 | 4774876be7de… |
| 170.200.0.0 – 170.200.255.255 | 65,536 | US |
allocated | 1994-11-14 | 3709e7353463… |
| 204.27.157.0 – 204.27.157.255 | 256 | US |
allocated | 1994-11-14 | 441d06322927… |
| 204.124.160.0 – 204.124.163.255 | 1,024 | US |
allocated | 1994-11-14 | 59a865737f6e… |
| 204.124.164.0 – 204.124.165.255 | 512 | US |
allocated | 1994-11-14 | 181f4997ea39… |