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
1,645,646,592
📦
IPv4 networks
76,735
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:4550::/28 | — | available | — | … |
| 2604:4560::/27 | — | available | — | … |
| 2604:4581::/32 | — | reserved | — | … |
| 2604:4582::/31 | — | reserved | — | … |
| 2604:4584::/30 | — | reserved | — | … |
| 2604:4588::/29 | — | reserved | — | … |
| 2604:4590::/28 | — | available | — | … |
| 2604:45a0::/27 | — | available | — | … |
| 2604:45c1::/32 | — | reserved | — | … |
| 2604:45c2::/31 | — | reserved | — | … |
| 2604:45c4::/30 | — | reserved | — | … |
| 2604:45c8::/29 | — | reserved | — | … |
| 2604:45d0::/28 | — | available | — | … |
| 2604:45e0::/27 | — | available | — | … |
| 2604:4610::/28 | — | available | — | … |
| 2604:4620::/27 | — | available | — | … |
| 2604:4641::/32 | — | reserved | — | … |
| 2604:4642::/31 | — | reserved | — | … |
| 2604:4644::/30 | — | reserved | — | … |
| 2604:4648::/29 | — | reserved | — | … |
| 2604:4650::/28 | — | available | — | … |
| 2604:4660::/27 | — | available | — | … |
| 2604:4681::/32 | — | reserved | — | … |
| 2604:4682::/31 | — | reserved | — | … |
| 2604:4684::/30 | — | reserved | — | … |
| 2604:4688::/29 | — | reserved | — | … |
| 2604:4690::/28 | — | available | — | … |
| 2604:46a0::/27 | — | available | — | … |
| 2604:46c1::/32 | — | reserved | — | … |
| 2604:46c2::/31 | — | reserved | — | … |
| 2604:46c4::/30 | — | reserved | — | … |
| 2604:46c8::/29 | — | reserved | — | … |
| 2604:46d0::/28 | — | available | — | … |
| 2604:46e0::/27 | — | available | — | … |
| 2604:4701::/32 | — | reserved | — | … |
| 2604:4702::/31 | — | reserved | — | … |
| 2604:4704::/30 | — | reserved | — | … |
| 2604:4708::/29 | — | reserved | — | … |
| 2604:4710::/28 | — | available | — | … |
| 2604:4720::/27 | — | available | — | … |
| 2604:4741::/32 | — | reserved | — | … |
| 2604:4742::/31 | — | reserved | — | … |
| 2604:4744::/30 | — | reserved | — | … |
| 2604:4748::/29 | — | reserved | — | … |
| 2604:4750::/28 | — | available | — | … |
| 2604:4760::/27 | — | available | — | … |
| 2604:4781::/32 | — | reserved | — | … |
| 2604:4782::/31 | — | reserved | — | … |
| 2604:4784::/30 | — | reserved | — | … |
| 2604:4788::/29 | — | reserved | — | … |
| 2604:4790::/28 | — | available | — | … |
| 2604:47a0::/27 | — | available | — | … |
| 2604:47c1::/32 | — | reserved | — | … |
| 2604:47c2::/31 | — | reserved | — | … |
| 2604:47c4::/30 | — | reserved | — | … |
| 2604:47c8::/29 | — | reserved | — | … |
| 2604:47d0::/28 | — | available | — | … |
| 2604:47e0::/27 | — | available | — | … |
| 2604:4801::/32 | — | reserved | — | … |
| 2604:4802::/31 | — | reserved | — | … |
| 2604:4804::/30 | — | reserved | — | … |
| 2604:4808::/29 | — | reserved | — | … |
| 2604:4810::/28 | — | available | — | … |
| 2604:4820::/27 | — | available | — | … |
| 2604:4841::/32 | — | reserved | — | … |
| 2604:4842::/31 | — | reserved | — | … |
| 2604:4844::/30 | — | reserved | — | … |
| 2604:4848::/29 | — | reserved | — | … |
| 2604:4850::/28 | — | available | — | … |
| 2604:4860::/27 | — | available | — | … |
| 2604:4881::/32 | — | reserved | — | … |
| 2604:4882::/31 | — | reserved | — | … |
| 2604:4884::/30 | — | reserved | — | … |
| 2604:4888::/29 | — | reserved | — | … |
| 2604:4890::/28 | — | available | — | … |
| 2604:48a0::/27 | — | available | — | … |
| 2604:48c1::/32 | — | reserved | — | … |
| 2604:48c2::/31 | — | reserved | — | … |
| 2604:48c4::/30 | — | reserved | — | … |
| 2604:48c8::/29 | — | reserved | — | … |
| 2604:48d0::/28 | — | available | — | … |
| 2604:48e0::/27 | — | available | — | … |
| 2604:4901::/32 | — | reserved | — | … |
| 2604:4902::/31 | — | reserved | — | … |
| 2604:4904::/30 | — | reserved | — | … |
| 2604:4908::/29 | — | reserved | — | … |
| 2604:4910::/28 | — | available | — | … |
| 2604:4920::/27 | — | available | — | … |
| 2604:4941::/32 | — | reserved | — | … |
| 2604:4942::/31 | — | reserved | — | … |
| 2604:4944::/30 | — | reserved | — | … |
| 2604:4948::/29 | — | reserved | — | … |
| 2604:4950::/28 | — | available | — | … |
| 2604:4960::/27 | — | available | — | … |
| 2604:4981::/32 | — | reserved | — | … |
| 2604:4982::/31 | — | reserved | — | … |
| 2604:4984::/30 | — | reserved | — | … |
| 2604:4988::/29 | — | reserved | — | … |
| 2604:4990::/28 | — | available | — | … |
| 2604:49a0::/27 | — | available | — | … |