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
1,645,653,504
📦
IPv4 networks
76,715
delegated blocks
🧭
IPv6 networks
11,358
delegated blocks
🔗
Autonomous systems
34,034
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:504::/30 | — | reserved | — | … |
| 2604:508::/29 | — | reserved | — | … |
| 2604:510::/28 | — | available | — | … |
| 2604:521::/32 | — | reserved | — | … |
| 2604:522::/31 | — | reserved | — | … |
| 2604:524::/30 | — | reserved | — | … |
| 2604:528::/29 | — | reserved | — | … |
| 2604:530::/28 | — | available | — | … |
| 2604:540::/27 | — | available | — | … |
| 2604:561::/32 | — | reserved | — | … |
| 2604:562::/31 | — | reserved | — | … |
| 2604:564::/30 | — | reserved | — | … |
| 2604:568::/29 | — | reserved | — | … |
| 2604:570::/28 | — | available | — | … |
| 2604:581::/32 | — | reserved | — | … |
| 2604:582::/31 | — | reserved | — | … |
| 2604:584::/30 | — | reserved | — | … |
| 2604:588::/29 | — | reserved | — | … |
| 2604:590::/28 | — | available | — | … |
| 2604:5a0::/27 | — | available | — | … |
| 2604:5c1::/32 | — | reserved | — | … |
| 2604:5c2::/31 | — | reserved | — | … |
| 2604:5c4::/30 | — | reserved | — | … |
| 2604:5c8::/29 | — | reserved | — | … |
| 2604:5d0::/28 | — | available | — | … |
| 2604:5e1::/32 | — | reserved | — | … |
| 2604:5e2::/31 | — | reserved | — | … |
| 2604:5e4::/30 | — | reserved | — | … |
| 2604:5e8::/29 | — | reserved | — | … |
| 2604:5f0::/28 | — | available | — | … |
| 2604:601::/32 | — | reserved | — | … |
| 2604:602::/31 | — | reserved | — | … |
| 2604:604::/30 | — | reserved | — | … |
| 2604:608::/29 | — | reserved | — | … |
| 2604:610::/28 | — | available | — | … |
| 2604:621::/32 | — | reserved | — | … |
| 2604:622::/31 | — | reserved | — | … |
| 2604:624::/30 | — | reserved | — | … |
| 2604:628::/29 | — | reserved | — | … |
| 2604:630::/28 | — | available | — | … |
| 2604:641::/32 | — | reserved | — | … |
| 2604:642::/31 | — | reserved | — | … |
| 2604:644::/30 | — | reserved | — | … |
| 2604:648::/29 | — | reserved | — | … |
| 2604:650::/28 | — | available | — | … |
| 2604:660:1000::/36 | — | reserved | — | … |
| 2604:660:2000::/35 | — | reserved | — | … |
| 2604:660:4000::/34 | — | reserved | — | … |
| 2604:660:8000::/33 | — | reserved | — | … |
| 2604:661::/32 | — | reserved | — | … |
| 2604:662::/31 | — | reserved | — | … |
| 2604:664::/30 | — | reserved | — | … |
| 2604:668::/29 | — | reserved | — | … |
| 2604:670::/28 | — | available | — | … |
| 2604:681::/32 | — | reserved | — | … |
| 2604:682::/31 | — | reserved | — | … |
| 2604:684::/30 | — | reserved | — | … |
| 2604:688::/29 | — | reserved | — | … |
| 2604:690::/28 | — | available | — | … |
| 2604:6a1::/32 | — | reserved | — | … |
| 2604:6a2::/31 | — | reserved | — | … |
| 2604:6a4::/30 | — | reserved | — | … |
| 2604:6a8::/29 | — | reserved | — | … |
| 2604:6b0::/28 | — | available | — | … |
| 2604:6c1::/32 | — | reserved | — | … |
| 2604:6c2::/31 | — | reserved | — | … |
| 2604:6c4::/30 | — | reserved | — | … |
| 2604:6c8::/29 | — | reserved | — | … |
| 2604:6d0::/28 | — | available | — | … |
| 2604:6e1::/32 | — | reserved | — | … |
| 2604:6e2::/31 | — | reserved | — | … |
| 2604:6e4::/30 | — | reserved | — | … |
| 2604:6e8::/29 | — | reserved | — | … |
| 2604:6f0::/28 | — | available | — | … |
| 2604:701::/32 | — | reserved | — | … |
| 2604:702::/31 | — | reserved | — | … |
| 2604:704::/30 | — | reserved | — | … |
| 2604:708::/29 | — | reserved | — | … |
| 2604:710::/28 | — | available | — | … |
| 2604:720::/32 | — | reserved | — | … |
| 2604:721::/32 | — | reserved | — | … |
| 2604:722::/31 | — | reserved | — | … |
| 2604:724::/30 | — | reserved | — | … |
| 2604:728::/29 | — | reserved | — | … |
| 2604:730::/28 | — | available | — | … |
| 2604:741::/32 | — | reserved | — | … |
| 2604:742::/31 | — | reserved | — | … |
| 2604:744::/30 | — | reserved | — | … |
| 2604:748::/29 | — | reserved | — | … |
| 2604:750::/28 | — | available | — | … |
| 2604:761::/32 | — | reserved | — | … |
| 2604:762::/31 | — | reserved | — | … |
| 2604:764::/30 | — | reserved | — | … |
| 2604:768::/29 | — | reserved | — | … |
| 2604:770::/28 | — | available | — | … |
| 2604:781::/32 | — | reserved | — | … |
| 2604:782::/31 | — | reserved | — | … |
| 2604:784::/30 | — | reserved | — | … |
| 2604:788::/29 | — | reserved | — | … |
| 2604:790::/28 | — | available | — | … |