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
1,645,628,928
📦
IPv4 networks
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2610:c0::/32 |  US |
allocated | 2006-08-07 | d449fe3cc12f… |
| 2610:b8::/32 | US |
allocated | 2006-08-01 | 544f5b722c0e… |
| 2610:b0::/32 | US |
allocated | 2006-07-28 | 0f1f21aa2a41… |
| 2001:504:d::/48 | US |
allocated | 2006-06-29 | fca460f9d966… |
| 2001:504:e::/48 | US |
allocated | 2006-06-29 | fca460f9d966… |
| 2001:504:f::/48 | US |
allocated | 2006-06-29 | fca460f9d966… |
| 2001:504:10::/48 | US |
allocated | 2006-06-29 | fca460f9d966… |
| 2001:504:11::/48 | US |
allocated | 2006-06-29 | fca460f9d966… |
| 2001:504:12::/48 | US |
allocated | 2006-06-29 | fca460f9d966… |
| 2610:a8::/32 | US |
allocated | 2006-06-27 | 78396d7ea110… |
| 2610:a0::/32 | US |
allocated | 2006-06-21 | 63641b5ac8cd… |
| 2610:a1::/32 | US |
allocated | 2006-06-21 | d46edd86fd49… |
| 2610:a2::/31 | US |
allocated | 2006-06-21 | d46edd86fd49… |
| 2610:a4::/30 | US |
allocated | 2006-06-21 | 63641b5ac8cd… |
| 2610:98::/32 |  CA |
allocated | 2006-06-15 | a2e1bb6f40a4… |
| 2610:88::/32 | US |
allocated | 2006-06-13 | 156c2ffb95b8… |
| 2610:80::/29 | US |
allocated | 2006-06-02 | d497a9a99490… |
| 2610:78::/32 | CA |
allocated | 2006-05-19 | 6b75b6fdf211… |
| 2610:68::/32 | US |
allocated | 2006-04-13 | b94d13cf647e… |
| 2610:60::/32 | US |
allocated | 2006-03-31 | 11605ea9b000… |
| 2610:58::/32 | US |
allocated | 2006-03-24 | ff69f51fa71c… |
| 2610:50::/32 | US |
allocated | 2006-03-14 | a2b4dd2108fb… |
| 2001:500:4::/48 | US |
allocated | 2006-03-13 | 7779723493a1… |
| 2610:48::/32 | US |
allocated | 2006-03-09 | 4f54a9f5dd5a… |
| 2610:40::/32 | US |
allocated | 2006-02-17 | 5dba07179e25… |
| 2610:38::/32 | CA |
allocated | 2006-02-14 | d6ec557bdc4e… |
| 2610:30::/32 | US |
allocated | 2006-02-13 | 367a1976bb29… |
| 2610:20::/34 | US |
allocated | 2006-02-08 | 2ecdae979b21… |
| 2610:20:4000::/35 | US |
allocated | 2006-02-08 | 2ecdae979b21… |
| 2610:20:6000::/36 | US |
allocated | 2006-02-08 | a44b6b00e5ee… |
| 2610:20:7000::/36 | US |
allocated | 2006-02-08 | 2ecdae979b21… |
| 2610:20:8000::/35 | US |
allocated | 2006-02-08 | 2b48e588c99d… |
| 2610:20:a000::/35 | US |
allocated | 2006-02-08 | 2ecdae979b21… |
| 2610:20:c000::/34 | US |
allocated | 2006-02-08 | 2ecdae979b21… |
| 2610:28::/32 | US |
allocated | 2006-02-08 | 309fe2e8c99b… |
| 2610:18::/32 | US |
allocated | 2006-01-17 | e220ed812a4c… |
| 2610::/32 | CA |
allocated | 2006-01-13 | 166430d32c9f… |
| 2610:8::/32 | US |
allocated | 2006-01-13 | 702a0a91e242… |
| 2610:10::/32 | US |
allocated | 2006-01-13 | eb8910e843a9… |
| 2001:49f8::/32 | US |
allocated | 2005-12-09 | a695459849b8… |
| 2001:49f0::/32 | US |
allocated | 2005-12-02 | 9a3e11090a14… |
| 2001:49e0::/32 | US |
allocated | 2005-11-23 | d304ef841c9d… |
| 2001:49e8::/32 | US |
allocated | 2005-11-23 | d811d7a8561f… |
| 2001:49d8::/32 | US |
allocated | 2005-11-22 | 8ab4822cec44… |
| 2001:49d0::/32 | US |
allocated | 2005-11-15 | 2011aa64aa82… |
| 2001:49c8::/32 | US |
allocated | 2005-11-10 | 8c4ec639b34a… |
| 2001:49b8::/32 | US |
allocated | 2005-11-02 | 0ad50fcc4e72… |
| 2001:49c0::/32 | US |
allocated | 2005-11-02 | 31caea8da158… |
| 2001:4998::/32 | US |
allocated | 2005-10-27 | c2dfb9e7c865… |
| 2001:49a0::/32 | US |
allocated | 2005-10-27 | c2dfb9e7c865… |
| 2001:49a8::/32 | US |
allocated | 2005-10-27 | c2dfb9e7c865… |
| 2001:49b0::/32 | US |
allocated | 2005-10-27 | a788ab744434… |
| 2001:4990::/32 | US |
allocated | 2005-10-26 | 89642d66734a… |
| 2001:4980::/32 | US |
allocated | 2005-10-25 | bc28bd02c7b3… |
| 2001:4988::/32 | US |
allocated | 2005-10-25 | 6c065d5b54b8… |
| 2001:4978::/32 | US |
allocated | 2005-10-20 | 4a87104fc02e… |
| 2001:4970::/32 | US |
allocated | 2005-10-19 | 6e048190eb9a… |
| 2001:4960::/32 | US |
allocated | 2005-10-03 | e865bee2c210… |
| 2001:4958::/32 | CA |
allocated | 2005-09-26 | 7de51f8320f6… |
| 2001:4950::/32 | US |
allocated | 2005-09-16 | 1ab4c061e947… |
| 2001:4940::/32 | US |
allocated | 2005-08-30 | f57036a35d7c… |
| 2001:4948::/32 | US |
allocated | 2005-08-30 | 0a52bf09283c… |
| 2001:4938::/32 | CA |
allocated | 2005-08-05 | cc021d359dd0… |
| 2001:4930::/32 | US |
allocated | 2005-08-03 | 41aa4445510d… |
| 2001:4928::/32 | US |
allocated | 2005-08-02 | 4a13ef7a2a83… |
| 2001:4920::/32 | US |
allocated | 2005-07-21 | 46891e671fd9… |
| 2001:4918::/32 | US |
allocated | 2005-07-14 | 8660cd5fe8a6… |
| 2001:4910::/32 |  BM |
allocated | 2005-07-13 | d6bf0b71ba4d… |
| 2001:4908::/32 | US |
allocated | 2005-07-05 | 6c065d5b54b8… |
| 2001:48f8::/32 | US |
allocated | 2005-06-30 | b0dfca43049f… |
| 2001:4900::/32 | CA |
allocated | 2005-06-30 | b5caaee56ff8… |
| 2001:48e8::/29 | US |
allocated | 2005-06-20 | 5d2d064a92b4… |
| 2001:48e0::/32 | US |
allocated | 2005-06-17 | 2e794035c5d0… |
| 2001:48d8::/32 | US |
allocated | 2005-06-16 | 5186fb556216… |
| 2001:48d0::/32 | US |
allocated | 2005-06-13 | 05799bbdadb8… |
| 2001:504:c::/48 | US |
allocated | 2005-06-10 | e220ed812a4c… |
| 2001:48c0::/32 | US |
allocated | 2005-05-17 | 1a922969fbba… |
| 2001:48c8::/32 | US |
allocated | 2005-05-17 | f624e02d3805… |
| 2001:48b8::/32 | US |
allocated | 2005-05-13 | 60fa371bfce1… |
| 2001:48b0::/32 | US |
allocated | 2005-05-04 | b36dc3134388… |
| 2001:48a8::/32 | US |
allocated | 2005-04-28 | d03f55a4a686… |
| 2001:48a0::/32 | US |
allocated | 2005-04-25 | aaf656fbdfd1… |
| 2001:4890::/32 | US |
allocated | 2005-04-21 | f0084ca0216f… |
| 2001:4898::/31 | US |
allocated | 2005-04-21 | b004b3ecde24… |
| 2001:489a::/32 | US |
allocated | 2005-04-21 | b004b3ecde24… |
| 2001:4888::/32 | US |
allocated | 2005-04-11 | e220ed812a4c… |
| 2001:4878::/32 | US |
allocated | 2005-03-17 | 8ff74c5691c8… |
| 2001:4860::/32 | US |
allocated | 2005-03-14 | 9d99e3f7d38d… |
| 2001:4868::/32 | US |
allocated | 2005-03-14 | e220ed812a4c… |
| 2001:4870::/31 | US |
allocated | 2005-03-14 | e5e3b9c13678… |
| 2001:4858::/32 | US |
allocated | 2005-03-03 | 52fcdcfbb271… |
| 2001:4850::/32 | US |
allocated | 2005-02-23 | e6f51a8e82f9… |
| 2001:504:b::/48 | US |
allocated | 2005-02-11 | 48cbe0057b2f… |
| 2001:4848::/32 | US |
allocated | 2005-02-09 | b648bfc516f1… |
| 2001:4840::/32 | US |
allocated | 2005-01-31 | 6c065d5b54b8… |
| 2001:4838::/32 | US |
allocated | 2005-01-20 | 11605ea9b000… |
| 2001:4830::/32 | US |
allocated | 2005-01-05 | d1378c4e14cf… |
| 2001:4828::/32 | US |
allocated | 2004-12-28 | aba0c2798e47… |
| 2001:4818::/32 | US |
allocated | 2004-12-16 | fca460f9d966… |
| 2001:4808::/32 | US |
allocated | 2004-12-15 | d2ededa6cd53… |