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
1,644,924,416
📦
IPv4 networks
76,763
delegated blocks
🧭
IPv6 networks
11,451
delegated blocks
🔗
Autonomous systems
34,128
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2001:500:79::/48 |  US |
allocated | 2009-01-09 | bfbf7b5fb987… |
| 2001:500:7a::/48 | US |
allocated | 2009-01-09 | bfbf7b5fb987… |
| 2001:500:7b::/48 | US |
allocated | 2009-01-09 | bfbf7b5fb987… |
| 2001:500:7c::/48 | US |
allocated | 2009-01-09 | bfbf7b5fb987… |
| 2607:f778::/32 | US |
allocated | 2009-01-07 | 1481ecc87fd7… |
| 2607:f770::/32 | US |
allocated | 2009-01-05 | d3f7999eda1e… |
| 2607:f768::/32 | US |
allocated | 2009-01-02 | 8992a7d5eff9… |
| 2607:f760::/32 | US |
allocated | 2008-12-31 | f97a794dab6a… |
| 2620:0:1c00::/40 | US |
allocated | 2008-12-30 | 0db4b6da59d1… |
| 2607:f758::/32 | US |
allocated | 2008-12-23 | 68ddf6a7f69b… |
| 2607:f750::/32 | US |
allocated | 2008-12-22 | faa8b43fdf3e… |
| 2607:f748::/32 |  CA |
allocated | 2008-12-19 | 6ea4dd5a36c2… |
| 2607:f740::/32 | US |
allocated | 2008-12-18 | 65016ba39c26… |
| 2620:0:eb0::/48 | US |
allocated | 2008-12-18 | b2df6ebc8b9d… |
| 2607:f738::/32 | US |
allocated | 2008-12-17 | d3f7999eda1e… |
| 2620:0:1b0::/48 | US |
allocated | 2008-12-16 | 174dfca8506f… |
| 2620:0:ea0::/44 | US |
allocated | 2008-12-15 | 401fec79237c… |
| 2607:f728::/32 | US |
allocated | 2008-12-09 | abffef4719c0… |
| 2607:f720::/32 | US |
allocated | 2008-12-08 | 163328cc466e… |
| 2620:0:e90::/48 | US |
allocated | 2008-12-08 | 00b981c32e22… |
| 2607:f710::/32 | US |
allocated | 2008-12-04 | f6aef9ce4443… |
| 2607:f718::/32 | US |
allocated | 2008-12-04 | f66c428a4ea9… |
| 2607:f700::/32 | US |
allocated | 2008-12-02 | ab226dc561ca… |
| 2607:f708::/32 | US |
allocated | 2008-12-02 | fc9afda2d73e… |
| 2600:400::/32 | US |
allocated | 2008-12-01 | a067dd2d4195… |
| 2607:f6f0::/32 | US |
allocated | 2008-12-01 | fca460f9d966… |
| 2607:f6f8::/32 | US |
allocated | 2008-12-01 | 860fa092fe05… |
| 2001:500:50::/46 | US |
allocated | 2008-11-26 | d355811359bf… |
| 2001:500:54::/47 | US |
allocated | 2008-11-26 | d355811359bf… |
| 2001:500:56::/48 | US |
allocated | 2008-11-26 | d355811359bf… |
| 2607:f6d8::/32 | US |
allocated | 2008-11-26 | c2c562c4f400… |
| 2607:f6e0::/32 | US |
allocated | 2008-11-26 | 928ab51b355d… |
| 2607:f6e8::/32 | US |
allocated | 2008-11-26 | 698c1d643a5d… |
| 2620:0:e80::/48 | US |
allocated | 2008-11-25 | fcf4ca51db96… |
| 2607:f6d0::/32 | US |
allocated | 2008-11-24 | 658cc9c515b5… |
| 2620:0:1800::/43 | US |
allocated | 2008-11-20 | de8cbd982376… |
| 2607:f6c8::/32 | US |
allocated | 2008-11-17 | ddb3fe48f9a6… |
| 2607:f6c0::/32 | CA |
allocated | 2008-11-11 | 1be30e532e5b… |
| 2620:0:1700::/44 | US |
allocated | 2008-11-11 | 66defc41fc95… |
| 2607:f6a8::/32 | US |
allocated | 2008-11-07 | 7032936053e5… |
| 2607:f6b0::/32 | US |
allocated | 2008-11-07 | 928fbf62e41c… |
| 2607:f6b8::/32 | US |
allocated | 2008-11-07 | 9a321fcd051e… |
| 2001:500:40::/44 | US |
allocated | 2008-11-04 | d355811359bf… |
| 2607:f6a0::/32 | US |
allocated | 2008-10-31 | 12c0cba60d75… |
| 2620:0:1600::/41 | US |
allocated | 2008-10-31 | e220ed812a4c… |
| 2620:0:1500::/41 | US |
allocated | 2008-10-30 | 3acc103b7c7d… |
| 2607:f698::/31 | CA |
allocated | 2008-10-24 | 2b747aa89313… |
| 2001:500:31::/48 | US |
allocated | 2008-10-21 | 7779723493a1… |
| 2607:f690::/32 | US |
allocated | 2008-10-21 | 6c065d5b54b8… |
| 2607:f688::/32 | US |
allocated | 2008-10-20 | b68dd6ac20fe… |
| 2620:0:1400::/42 | US |
allocated | 2008-10-20 | 4a7269116bda… |
| 2607:f680::/32 | US |
allocated | 2008-10-17 | 67ce42f5d914… |
| 2607:f678::/32 | US |
allocated | 2008-10-16 | d348d0289cfa… |
| 2620:0:e50::/44 | US |
allocated | 2008-10-16 | 5c1a6c2c41fb… |
| 2607:f670::/32 | US |
allocated | 2008-10-15 | a445047aced6… |
| 2607:f668::/32 | US |
allocated | 2008-10-10 | 9f5cb4d23569… |
| 2607:f660::/32 | US |
allocated | 2008-10-08 | 65016ba39c26… |
| 2620:0:e20::/46 | US |
allocated | 2008-09-30 | 5b4d06da1ecb… |
| 2620:0:e30::/48 | US |
allocated | 2008-09-30 | f6ab1e1272fa… |
| 2607:f650::/32 | US |
allocated | 2008-09-29 | 6b830b813c04… |
| 2607:f640::/32 | US |
allocated | 2008-09-23 | 4ede0c8fb611… |
| 2620:0:df0::/48 | US |
allocated | 2008-09-19 | 3626ecf79a0d… |
| 2607:f638::/32 | US |
allocated | 2008-09-18 | ea3a4c65b990… |
| 2607:f630::/32 | US |
allocated | 2008-09-10 | 4f31c5d5b89b… |
| 2620:0:f00::/41 | US |
allocated | 2008-09-09 | 81e05477cc28… |
| 2607:f628::/32 | US |
allocated | 2008-09-02 | ac5211fe3c1f… |
| 2620:0:e00::/44 | US |
allocated | 2008-08-29 | 766d754ce675… |
| 2620:0:e10::/48 | US |
allocated | 2008-08-29 | 766d754ce675… |
| 2607:f618::/32 | US |
allocated | 2008-08-25 | 4156b4570d63… |
| 2607:f620::/32 | US |
allocated | 2008-08-25 | 1a239a418e77… |
| 2607:f600::/32 | US |
allocated | 2008-08-22 | b6fb8bb4720c… |
| 2607:f608::/32 | US |
allocated | 2008-08-22 | fbde15f4790c… |
| 2620:0:dd0::/48 | US |
allocated | 2008-08-22 | 410cb2a13338… |
| 2607:f5f8::/32 | US |
allocated | 2008-08-20 | e9a4598b2bb7… |
| 2620:0:dc0::/48 | US |
allocated | 2008-08-20 | 60811eff2245… |
| 2607:f5e8::/32 | US |
allocated | 2008-08-19 | dbff42160daa… |
| 2607:f5f0::/32 | US |
allocated | 2008-08-19 | 1267efcae083… |
| 2607:f5d8::/32 | US |
allocated | 2008-08-13 | e05f785e0650… |
| 2607:f5d0::/32 | US |
allocated | 2008-08-12 | ca93c740108a… |
| 2607:f5b8::/32 | US |
allocated | 2008-08-04 | 6c4c5ebd4eeb… |
| 2607:f5c0::/32 | US |
allocated | 2008-08-04 | 0d2c76fed339… |
| 2607:f5b0::/29 | US |
allocated | 2008-07-29 | 920d0c66f3d2… |
| 2607:f5a8::/32 | US |
allocated | 2008-07-28 | cfeebe4bec39… |
| 2620:0:d90::/48 | US |
allocated | 2008-07-24 | 637b238c9247… |
| 2607:f5a0::/32 | US |
allocated | 2008-07-23 | ab7de9e7da52… |
| 2607:f598::/32 | US |
allocated | 2008-07-22 | 6e19a0c7aa20… |
| 2607:f588::/32 | US |
allocated | 2008-07-17 | a7f7463af3d3… |
| 2607:f590::/32 | US |
allocated | 2008-07-17 | ace55d4dc090… |
| 2607:f578::/32 | US |
allocated | 2008-07-07 | a5de8f7340fc… |
| 2607:f570::/32 | US |
allocated | 2008-07-01 | 11974ec94450… |
| 2607:f568::/32 | US |
allocated | 2008-06-27 | e08441e4beab… |
| 2607:f560::/32 | US |
allocated | 2008-06-25 | 6c065d5b54b8… |
| 2620:0:d70::/45 | US |
allocated | 2008-06-25 | 369283cb4322… |
| 2607:f558::/32 | US |
allocated | 2008-06-24 | 26f22d578831… |
| 2607:f550::/32 | US |
allocated | 2008-06-23 | 308463d143ba… |
| 2620:0:d60::/46 | US |
allocated | 2008-06-19 | 0c6664b17c1e… |
| 2607:f540::/32 | CA |
allocated | 2008-06-18 | 4e3bcc22b363… |
| 2607:f548::/32 | US |
allocated | 2008-06-18 | 839057ee3ea8… |
| 2607:f538::/32 | US |
allocated | 2008-06-17 | ac5da00fd608… |
| 2620:0:d30::/48 | US |
allocated | 2008-06-13 | 039f504e32ba… |