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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:5b00::/32 |  US |
allocated | 2011-04-08 | 9b8e9cf48258… |
| 2604:5d00::/32 | US |
allocated | 2011-04-08 | 8c43c4e1b3ed… |
| 2604:5100::/32 | US |
allocated | 2011-04-07 | 69a0ba0e7e03… |
| 2604:5300::/32 | US |
allocated | 2011-04-07 | 65548c20b9e1… |
| 2620:c:8000::/48 | US |
allocated | 2011-04-07 | 9600e2749398… |
| 2620:103:6000::/44 | US |
allocated | 2011-04-07 | e860a0ce60bb… |
| 2001:500:a0::/46 | US |
allocated | 2011-04-06 | d355811359bf… |
| 2001:500:a4::/47 | US |
allocated | 2011-04-06 | d355811359bf… |
| 2001:500:a6::/48 | US |
allocated | 2011-04-06 | d355811359bf… |
| 2001:500:c0::/43 | US |
allocated | 2011-04-06 | d355811359bf… |
| 2001:500:e0::/44 | US |
allocated | 2011-04-06 | d355811359bf… |
| 2604:4b00::/32 | US |
allocated | 2011-04-06 | 411b37521f9d… |
| 2604:4d00::/32 | US |
allocated | 2011-04-06 | 0692315f58e8… |
| 2604:4f00::/32 | US |
allocated | 2011-04-06 | 6d4134e4126d… |
| 2620:9:8000::/48 | US |
allocated | 2011-04-06 | ebfe67afa5c6… |
| 2620:a:8000::/48 | US |
allocated | 2011-04-06 | 1bc3d5a6522f… |
| 2620:b:8000::/48 | US |
allocated | 2011-04-06 | 96f459dd28c5… |
| 2620:103:5000::/44 | US |
allocated | 2011-04-06 | f946554c1411… |
| 2604:4300::/32 | US |
allocated | 2011-04-05 | a1c9e6093581… |
| 2604:4500::/32 | US |
allocated | 2011-04-05 | 02dae35f3428… |
| 2604:4700::/32 | US |
allocated | 2011-04-05 | 083392ff04dd… |
| 2604:4900::/32 | US |
allocated | 2011-04-05 | f5937d41fe8b… |
| 2620:6:8000::/48 | US |
allocated | 2011-04-05 | 35167b3e9ded… |
| 2620:7:8000::/48 | US |
allocated | 2011-04-05 | ca85fc3d92ed… |
| 2620:103:4000::/44 | US |
allocated | 2011-04-05 | a0ee06721b40… |
| 2604:3b00::/32 |  CA |
allocated | 2011-04-04 | 0042cdeb1e05… |
| 2604:3d00::/28 | CA |
allocated | 2011-04-04 | f6378853cc62… |
| 2604:3f00::/32 | US |
allocated | 2011-04-04 | f57036a35d7c… |
| 2604:4100::/36 | US |
allocated | 2011-04-04 | 5b2eab3c367a… |
| 2620:4:8000::/48 | US |
allocated | 2011-04-04 | bbab9a7d1bb4… |
| 2620:5:8000::/48 | US |
allocated | 2011-04-04 | eb4be049190b… |
| 2620:103:3000::/40 | US |
allocated | 2011-04-04 | 761f06711d19… |
| 2620:145::/36 | US |
allocated | 2011-04-04 | 4cb61b484442… |
| 2604:3500::/32 | US |
allocated | 2011-04-01 | d154ce58ce4b… |
| 2604:3700::/32 | US |
allocated | 2011-04-01 | 18d058660104… |
| 2620:3:8000::/48 | US |
allocated | 2011-04-01 | 2eb8387bcf4c… |
| 2604:3300::/32 | US |
allocated | 2011-03-31 | c0fd212b13d9… |
| 2620:2:8000::/48 | US |
allocated | 2011-03-31 | 93d207a5540a… |
| 2620:fd::/48 | CA |
allocated | 2011-03-30 | 84344661f626… |
| 2620:ff::/48 | US |
allocated | 2011-03-30 | a20724ed852c… |
| 2604:2500::/32 | US |
allocated | 2011-03-29 | ba37806bd291… |
| 2604:2700::/32 | US |
allocated | 2011-03-29 | b02161f1089b… |
| 2604:2900::/32 | US |
allocated | 2011-03-29 | bd395715a69c… |
| 2604:2b00::/32 | US |
allocated | 2011-03-29 | 614346bde8f8… |
| 2604:2d00::/36 | US |
allocated | 2011-03-29 | b729817f8d54… |
| 2604:2f00::/32 | US |
allocated | 2011-03-29 | cadf96870499… |
| 2604:3100::/32 | US |
allocated | 2011-03-29 | 9ac42f85cc99… |
| 2620:f9::/44 | US |
allocated | 2011-03-29 | 282baf5562bf… |
| 2620:fb::/48 | US |
allocated | 2011-03-29 | e147ee641a91… |
| 2620:103:2000::/44 | CA |
allocated | 2011-03-29 | 3529ede45dae… |
| 2620:f5::/48 | US |
allocated | 2011-03-28 | 494b82b6870f… |
| 2620:f7::/48 | US |
allocated | 2011-03-28 | 21d535a9742d… |
| 2604:1d00::/32 | CA |
allocated | 2011-03-25 | b109e5672474… |
| 2604:1f00::/32 | US |
allocated | 2011-03-25 | aa93ac26ae50… |
| 2604:2100::/32 | US |
allocated | 2011-03-25 | 3ff32d3c1506… |
| 2620:f3::/44 | US |
allocated | 2011-03-25 | 73a130bd59e9… |
| 2620:103:1000::/44 | US |
allocated | 2011-03-25 | 6f62d0c457ae… |
| 2604:1b00::/32 | CA |
allocated | 2011-03-24 | f60173892a71… |
| 2620:ed::/48 | US |
allocated | 2011-03-24 | 5f209ebf94c0… |
| 2604:1300::/32 | US |
allocated | 2011-03-23 | 0b9809a4ff86… |
| 2604:1500::/32 | CA |
allocated | 2011-03-23 | 2d6180091c92… |
| 2604:1700::/32 | CA |
allocated | 2011-03-23 | e5919ba9cf2e… |
| 2620:e5::/48 | US |
allocated | 2011-03-23 | c1c059ea73eb… |
| 2620:e7::/48 | US |
allocated | 2011-03-23 | 83faa81e465c… |
| 2620:e9::/48 | US |
allocated | 2011-03-23 | 87035ea1b60f… |
| 2620:eb::/48 | US |
allocated | 2011-03-23 | 3794a655aa59… |
| 2620:102:d000::/41 | US |
allocated | 2011-03-23 | 67f31c89b392… |
| 2620:102:e000::/44 | US |
allocated | 2011-03-23 | 9d9792d3d010… |
| 2620:102:f000::/46 | US |
allocated | 2011-03-23 | 0090c7261f2c… |
| 2620:103::/45 | US |
allocated | 2011-03-23 | ed1b717b22c4… |
| 2620:144::/32 | US |
allocated | 2011-03-23 | 0090c7261f2c… |
| 2602:100::/28 | US |
allocated | 2011-03-22 | 2ae6f8bcdd0f… |
| 2604:d00::/32 | US |
allocated | 2011-03-22 | 6cfc67985277… |
| 2604:1100::/32 | US |
allocated | 2011-03-22 | 790b0a93a5f1… |
| 2604:900::/32 | US |
allocated | 2011-03-21 | f57036a35d7c… |
| 2604:3a00::/32 | US |
allocated | 2011-03-21 | 557099214877… |
| 2604:100::/32 | US |
allocated | 2011-03-18 | ff4caec22989… |
| 2604:300::/32 | US |
allocated | 2011-03-18 | 60728115fb98… |
| 2604:500::/32 | US |
allocated | 2011-03-18 | 1c8a912a7c84… |
| 2604:700::/32 | US |
allocated | 2011-03-18 | 5efceb91e4d8… |
| 2607:ee00::/32 | CA |
allocated | 2011-03-18 | 8495c216e387… |
| 2620:dd::/48 | CA |
allocated | 2011-03-18 | bf064657e26e… |
| 2620:df::/48 | US |
allocated | 2011-03-18 | 144701c74858… |
| 2001:500:9e::/47 | US |
allocated | 2011-03-17 | 9b5b285c8eb7… |
| 2607:e600::/32 | US |
allocated | 2011-03-17 | 1a58ea4dd892… |
| 2607:ea00::/32 | US |
allocated | 2011-03-17 | fff183d14405… |
| 2620:d5::/48 | US |
allocated | 2011-03-17 | b6fe576367eb… |
| 2620:d7::/48 | US |
allocated | 2011-03-17 | ace55d4dc090… |
| 2620:d9::/48 | US |
allocated | 2011-03-17 | 8e67892e7d14… |
| 2607:e200::/32 | US |
allocated | 2011-03-16 | 5d2cf8bf35be… |
| 2600:4000::/24 | US |
allocated | 2011-03-15 | e220ed812a4c… |
| 2607:c600::/32 | US |
allocated | 2011-03-15 | 2908fc017227… |
| 2607:ca00::/32 | CA |
allocated | 2011-03-15 | 7de51f8320f6… |
| 2607:ce00::/32 | US |
allocated | 2011-03-15 | aaf656fbdfd1… |
| 2607:d200::/32 | US |
allocated | 2011-03-15 | d538268083a4… |
| 2607:d600::/32 | US |
allocated | 2011-03-15 | c93bcbbadbcc… |
| 2607:da00::/32 | US |
allocated | 2011-03-15 | f7f4d3727af3… |
| 2607:de00::/32 | CA |
allocated | 2011-03-15 | f60173892a71… |
| 2620:d1::/48 | US |
allocated | 2011-03-15 | aab11f998830… |
| 2620:102:c000::/45 | US |
allocated | 2011-03-15 | 158957cf6bee… |