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 |
|---|---|---|---|---|
| 2604:8000::/32 |  US |
allocated | 2010-02-17 | 302c46e02980… |
| 2605:8000::/32 | US |
allocated | 2010-02-17 | c9b648277844… |
| 2001:500:86::/47 | US |
allocated | 2010-02-16 | 9b5b285c8eb7… |
| 2610:c8::/32 | US |
allocated | 2010-02-16 | 27fa35cd16cb… |
| 2001:4968::/32 | US |
allocated | 2010-02-12 | 7916e76aef69… |
| 2001:500:85::/48 | US |
allocated | 2010-02-11 | bfbf7b5fb987… |
| 2001:1970::/32 |  CA |
allocated | 2010-02-11 | 7f8d2810def2… |
| 2001:18b0::/32 | US |
allocated | 2010-02-10 | fa20812f99ea… |
| 2001:18c0::/32 | CA |
allocated | 2010-02-10 | df04ba7e5e16… |
| 2001:1828::/32 | US |
allocated | 2010-02-09 | c7deffe80dbd… |
| 2001:548::/32 | US |
allocated | 2010-02-05 | b5068754bada… |
| 2001:1808::/32 |  GD |
allocated | 2010-02-05 | 54753e15d57e… |
| 2001:508::/32 |  BM |
allocated | 2010-02-04 | 42d359c027c7… |
| 2001:4a0::/32 | US |
allocated | 2010-02-03 | 5a1fe3c61c9e… |
| 2001:4f0::/32 | US |
allocated | 2010-02-03 | c58f1461099f… |
| 2620:20::/48 | US |
allocated | 2010-02-03 | 24cce27d9d55… |
| 2001:408::/32 | US |
allocated | 2010-02-02 | 320625f275e7… |
| 2001:430::/32 | US |
allocated | 2010-02-02 | c2070c6ffadb… |
| 2001:500:84::/48 | US |
allocated | 2010-02-02 | a98838da795b… |
| 2600:c00::/28 | US |
allocated | 2010-02-02 | 2908fc017227… |
| 2600:c10::/30 | US |
allocated | 2010-02-02 | 2908fc017227… |
| 2600:c14::/32 | US |
allocated | 2010-02-02 | 2908fc017227… |
| 2607::/32 | CA |
allocated | 2010-02-01 | efef4c621276… |
| 2620:c0::/48 | US |
allocated | 2010-02-01 | 6bbe96d20d5b… |
| 2604::/32 | US |
allocated | 2010-01-29 | 3970c2cd204d… |
| 2605::/32 | US |
allocated | 2010-01-29 | 8e40f9b841a3… |
| 2001:528::/32 | US |
allocated | 2010-01-27 | 11605ea9b000… |
| 2620:40::/48 | US |
allocated | 2010-01-27 | 0c461fc2f82f… |
| 2620:0:50e0::/48 | US |
allocated | 2010-01-26 | e34df5974d7b… |
| 2607:fff0::/32 | US |
allocated | 2010-01-25 | 50ed40f7fe07… |
| 2607:fff8::/32 | CA |
allocated | 2010-01-25 | 2af1b1b7b909… |
| 2607:ffe0::/32 | CA |
allocated | 2010-01-22 | 9dc5071139ba… |
| 2607:ffe8::/32 | US |
allocated | 2010-01-22 | dfc058f6f986… |
| 2620:0:50d0::/47 | US |
allocated | 2010-01-22 | 05da5fea162f… |
| 2607:ffc8::/32 | US |
allocated | 2010-01-21 | 7dd6f0b4075f… |
| 2607:ffd0::/32 | US |
allocated | 2010-01-21 | a93773ad321b… |
| 2607:ffd8::/32 | US |
allocated | 2010-01-21 | ab7de9e7da52… |
| 2620:0:50b0::/48 | US |
allocated | 2010-01-21 | aca5ea5ace61… |
| 2620:0:50c0::/48 | US |
allocated | 2010-01-21 | f72a9ca3d726… |
| 2607:ffb0::/32 | CA |
allocated | 2010-01-20 | f6378853cc62… |
| 2607:ffb8::/32 | US |
allocated | 2010-01-20 | cfeebe4bec39… |
| 2607:ffc0::/32 | CA |
allocated | 2010-01-20 | 81d84a66fa20… |
| 2607:ffa0::/32 | US |
allocated | 2010-01-19 | 5cc470624234… |
| 2607:ffa8::/32 | US |
allocated | 2010-01-19 | cfa1ae866afd… |
| 2620:0:e60::/48 | US |
allocated | 2010-01-19 | 68b460a68aed… |
| 2607:ff90::/32 | US |
allocated | 2010-01-15 | 2a63688cdb55… |
| 2620:0:5090::/48 | US |
allocated | 2010-01-14 | 1a1fd337a2b2… |
| 2620:0:50a0::/48 | US |
allocated | 2010-01-14 | aa7662969419… |
| 2620:0:5080::/48 | US |
allocated | 2010-01-08 | 09aacccbb3ce… |
| 2620:0:5070::/48 | US |
allocated | 2010-01-07 | 28bef9cf7e9c… |
| 2607:ff78::/32 | CA |
allocated | 2010-01-06 | fbf5a5883b54… |
| 2607:ff80::/32 | US |
allocated | 2010-01-06 | d3848088c3d8… |
| 2620:0:5060::/48 | CA |
allocated | 2010-01-06 | 38de3d02818c… |
| 2607:ff70::/32 | US |
allocated | 2010-01-04 | ca93c740108a… |
| 2607:ff68::/32 | US |
allocated | 2009-12-31 | f370939577c5… |
| 2620:0:5050::/48 | US |
allocated | 2009-12-31 | 1b2a06e2b1f1… |
| 2620:0:5040::/48 | US |
allocated | 2009-12-30 | 562050b6603a… |
| 2607:ff58::/32 | US |
allocated | 2009-12-29 | 16fb2db622d6… |
| 2607:ff60::/32 | US |
allocated | 2009-12-29 | 2f174894386d… |
| 2607:ff48::/32 | US |
allocated | 2009-12-28 | a0fbfdd287db… |
| 2607:ff50::/32 | US |
allocated | 2009-12-28 | 4ce30611f900… |
| 2620:0:5030::/48 | US |
allocated | 2009-12-28 | 8715099bc564… |
| 2607:ff40::/32 | US |
allocated | 2009-12-18 | 7104fd65fdf6… |
| 2607:ff38::/32 | US |
allocated | 2009-12-17 | 7623bfc3cd66… |
| 2607:ff30::/32 | US |
allocated | 2009-12-15 | f04c56945624… |
| 2620:0:d80::/48 | US |
allocated | 2009-12-14 | 0418d3fd070a… |
| 2607:ff28::/32 | US |
allocated | 2009-12-10 | c9d7d3e1a94d… |
| 2620:0:5000::/48 | US |
allocated | 2009-12-09 | 5d02cc7c7e68… |
| 2620:0:5010::/48 | US |
allocated | 2009-12-09 | a0d5085046b7… |
| 2607:ff10::/32 | US |
allocated | 2009-12-07 | 89069d8f6a66… |
| 2607:ff18::/32 | US |
allocated | 2009-12-07 | 5b34c70559dd… |
| 2607:ff08::/32 | US |
allocated | 2009-12-03 | e178194b01e6… |
| 2620:0:2ee0::/48 | US |
allocated | 2009-12-03 | 9b5b285c8eb7… |
| 2620:0:2f00::/41 | US |
allocated | 2009-12-02 | 9cea908cf748… |
| 2607:ff00::/32 | US |
allocated | 2009-11-30 | 5b367eafcaa7… |
| 2620:0:2ed0::/48 | US |
allocated | 2009-11-30 | 9b5b285c8eb7… |
| 2607:fef8::/32 | US |
allocated | 2009-11-24 | bf9fc35700e8… |
| 2620:0:d50::/48 | US |
allocated | 2009-11-23 | 8c9e3178510f… |
| 2607:fee0::/32 | US |
allocated | 2009-11-20 | 5756fe600978… |
| 2607:fee8::/32 | US |
allocated | 2009-11-20 | 63ee7733b3cc… |
| 2620:0:2eb0::/48 | US |
allocated | 2009-11-20 | cd4a5eec1e7d… |
| 2607:fec0::/32 | US |
allocated | 2009-11-19 | 6c065d5b54b8… |
| 2607:fec8::/32 | CA |
allocated | 2009-11-19 | 4c0b4fa28d62… |
| 2607:fed0::/32 | US |
allocated | 2009-11-19 | 29f858aa4be9… |
| 2607:fed8::/32 | US |
allocated | 2009-11-19 | 1cad7cc8cca5… |
| 2607:feb8::/32 | US |
allocated | 2009-11-17 | dcce4ea91bfb… |
| 2620:0:2ea0::/44 | US |
allocated | 2009-11-13 | f74e76a2d8c8… |
| 2607:fea8::/32 | CA |
allocated | 2009-11-12 | dcd08486c35a… |
| 2607:feb0::/32 | CA |
allocated | 2009-11-12 | c2852f1df4b3… |
| 2607:fea0::/32 | US |
allocated | 2009-11-11 | 50c7f63a6228… |
| 2607:fe90::/32 | US |
allocated | 2009-11-09 | 84b1251f3230… |
| 2607:fe98::/32 | US |
allocated | 2009-11-09 | ef8a78fc2746… |
| 2607:fe88::/32 | CA |
allocated | 2009-11-06 | 0e702695cc8d… |
| 2607:fe80::/32 | US |
allocated | 2009-11-04 | e62af3e5f6c4… |
| 2607:fe70::/32 | US |
allocated | 2009-11-03 | f7f671f262f3… |
| 2607:fe78::/32 | US |
allocated | 2009-11-03 | 6128a8ddb67c… |
| 2607:fe68::/32 |  BS |
allocated | 2009-11-02 | 942b5c023d53… |
| 2607:fe60::/32 | US |
allocated | 2009-10-30 | 5b57cecfd0b0… |
| 2620:0:2e80::/48 | US |
allocated | 2009-10-30 | 5c4eef3b4378… |
| 2607:fe58::/32 | US |
allocated | 2009-10-29 | 79796e6fae76… |