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 |
|---|---|---|---|---|
| 2607:5442::/31 | — | reserved | — | … |
| 2607:5444::/30 | — | reserved | — | … |
| 2607:5448::/29 | — | reserved | — | … |
| 2607:5450::/28 | — | available | — | … |
| 2607:5460::/27 | — | available | — | … |
| 2607:5481::/32 | — | reserved | — | … |
| 2607:5482::/31 | — | reserved | — | … |
| 2607:5484::/30 | — | reserved | — | … |
| 2607:5488::/29 | — | reserved | — | … |
| 2607:5490::/28 | — | available | — | … |
| 2607:54a0::/27 | — | available | — | … |
| 2607:54c1::/32 | — | reserved | — | … |
| 2607:54c2::/31 | — | reserved | — | … |
| 2607:54c4::/30 | — | reserved | — | … |
| 2607:54c8::/29 | — | reserved | — | … |
| 2607:54d0::/28 | — | available | — | … |
| 2607:54e0::/27 | — | available | — | … |
| 2607:5502::/31 | — | reserved | — | … |
| 2607:5504::/30 | — | reserved | — | … |
| 2607:5508::/29 | — | reserved | — | … |
| 2607:5510::/28 | — | available | — | … |
| 2607:5520::/27 | — | available | — | … |
| 2607:5541::/32 | — | reserved | — | … |
| 2607:5542::/31 | — | reserved | — | … |
| 2607:5544::/30 | — | reserved | — | … |
| 2607:5548::/29 | — | reserved | — | … |
| 2607:5550::/28 | — | available | — | … |
| 2607:5560::/27 | — | available | — | … |
| 2607:5581::/32 | — | reserved | — | … |
| 2607:5582::/31 | — | reserved | — | … |
| 2607:5584::/30 | — | reserved | — | … |
| 2607:5588::/29 | — | reserved | — | … |
| 2607:5590::/28 | — | available | — | … |
| 2607:55a0::/27 | — | available | — | … |
| 2607:55c1::/32 | — | reserved | — | … |
| 2607:55c2::/31 | — | reserved | — | … |
| 2607:55c4::/30 | — | reserved | — | … |
| 2607:55c8::/29 | — | reserved | — | … |
| 2607:55d0::/28 | — | available | — | … |
| 2607:55e0::/27 | — | available | — | … |
| 2607:5601::/32 | — | reserved | — | … |
| 2607:5602::/31 | — | reserved | — | … |
| 2607:5604::/30 | — | reserved | — | … |
| 2607:5608::/29 | — | reserved | — | … |
| 2607:5610::/28 | — | available | — | … |
| 2607:5620::/27 | — | available | — | … |
| 2607:5641::/32 | — | reserved | — | … |
| 2607:5642::/31 | — | reserved | — | … |
| 2607:5644::/30 | — | reserved | — | … |
| 2607:5648::/29 | — | reserved | — | … |
| 2607:5650::/28 | — | available | — | … |
| 2607:5660::/27 | — | available | — | … |
| 2607:5681::/32 | — | reserved | — | … |
| 2607:5682::/31 | — | reserved | — | … |
| 2607:5684::/30 | — | reserved | — | … |
| 2607:5688::/29 | — | reserved | — | … |
| 2607:5690::/28 | — | available | — | … |
| 2607:56a0::/27 | — | available | — | … |
| 2607:56c0::/32 | — | reserved | — | … |
| 2607:56c1::/32 | — | reserved | — | … |
| 2607:56c2::/31 | — | reserved | — | … |
| 2607:56c4::/30 | — | reserved | — | … |
| 2607:56c8::/29 | — | reserved | — | … |
| 2607:56d0::/28 | — | available | — | … |
| 2607:56e0::/27 | — | available | — | … |
| 2607:5701::/32 | — | reserved | — | … |
| 2607:5702::/31 | — | reserved | — | … |
| 2607:5704::/30 | — | reserved | — | … |
| 2607:5708::/29 | — | reserved | — | … |
| 2607:5710::/28 | — | available | — | … |
| 2607:5720::/27 | — | available | — | … |
| 2607:5741::/32 | — | reserved | — | … |
| 2607:5742::/31 | — | reserved | — | … |
| 2607:5744::/30 | — | reserved | — | … |
| 2607:5748::/29 | — | reserved | — | … |
| 2607:5750::/28 | — | available | — | … |
| 2607:5760::/27 | — | available | — | … |
| 2607:5780::/26 | — | available | — | … |
| 2607:57c1::/32 | — | reserved | — | … |
| 2607:57c2::/31 | — | reserved | — | … |
| 2607:57c4::/30 | — | reserved | — | … |
| 2607:57c8::/29 | — | reserved | — | … |
| 2607:57d0::/28 | — | available | — | … |
| 2607:57e0::/27 | — | available | — | … |
| 2607:5801::/32 | — | reserved | — | … |
| 2607:5802::/31 | — | reserved | — | … |
| 2607:5804::/30 | — | reserved | — | … |
| 2607:5808::/29 | — | reserved | — | … |
| 2607:5810::/28 | — | available | — | … |
| 2607:5820::/27 | — | available | — | … |
| 2607:5841::/32 | — | reserved | — | … |
| 2607:5842::/31 | — | reserved | — | … |
| 2607:5844::/30 | — | reserved | — | … |
| 2607:5848::/29 | — | reserved | — | … |
| 2607:5850::/28 | — | available | — | … |
| 2607:5860::/27 | — | available | — | … |
| 2607:5880::/26 | — | available | — | … |
| 2607:58c1::/32 | — | reserved | — | … |
| 2607:58c2::/31 | — | reserved | — | … |
| 2607:58c4::/30 | — | reserved | — | … |