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:f350::/28 | — | available | — | … |
| 2604:f360::/27 | — | available | — | … |
| 2604:f380::/26 | — | available | — | … |
| 2604:f3c1::/32 | — | reserved | — | … |
| 2604:f3c2::/31 | — | reserved | — | … |
| 2604:f3c4::/30 | — | reserved | — | … |
| 2604:f3c8::/29 | — | reserved | — | … |
| 2604:f3d0::/28 | — | available | — | … |
| 2604:f3e0::/27 | — | available | — | … |
| 2604:f401::/32 | — | reserved | — | … |
| 2604:f402::/31 | — | reserved | — | … |
| 2604:f404::/30 | — | reserved | — | … |
| 2604:f408::/29 | — | reserved | — | … |
| 2604:f410::/28 | — | available | — | … |
| 2604:f420::/27 | — | available | — | … |
| 2604:f441::/32 | — | reserved | — | … |
| 2604:f442::/31 | — | reserved | — | … |
| 2604:f444::/30 | — | reserved | — | … |
| 2604:f448::/29 | — | reserved | — | … |
| 2604:f450::/28 | — | available | — | … |
| 2604:f460::/27 | — | available | — | … |
| 2604:f481::/32 | — | reserved | — | … |
| 2604:f482::/31 | — | reserved | — | … |
| 2604:f484::/30 | — | reserved | — | … |
| 2604:f488::/29 | — | reserved | — | … |
| 2604:f490::/28 | — | available | — | … |
| 2604:f4a0::/27 | — | available | — | … |
| 2604:f4c1::/32 | — | reserved | — | … |
| 2604:f4c2::/31 | — | reserved | — | … |
| 2604:f4c4::/30 | — | reserved | — | … |
| 2604:f4c8::/29 | — | reserved | — | … |
| 2604:f4d0::/28 | — | available | — | … |
| 2604:f4e0::/27 | — | available | — | … |
| 2604:f501::/32 | — | reserved | — | … |
| 2604:f502::/31 | — | reserved | — | … |
| 2604:f504::/30 | — | reserved | — | … |
| 2604:f508::/29 | — | reserved | — | … |
| 2604:f510::/28 | — | available | — | … |
| 2604:f520::/27 | — | available | — | … |
| 2604:f541::/32 | — | reserved | — | … |
| 2604:f542::/31 | — | reserved | — | … |
| 2604:f544::/30 | — | reserved | — | … |
| 2604:f548::/29 | — | reserved | — | … |
| 2604:f550::/28 | — | available | — | … |
| 2604:f560::/27 | — | available | — | … |
| 2604:f590::/28 | — | available | — | … |
| 2604:f5a0::/27 | — | available | — | … |
| 2604:f5c1::/32 | — | reserved | — | … |
| 2604:f5c2::/31 | — | reserved | — | … |
| 2604:f5c4::/30 | — | reserved | — | … |
| 2604:f5c8::/29 | — | reserved | — | … |
| 2604:f5d0::/28 | — | available | — | … |
| 2604:f5e0::/27 | — | available | — | … |
| 2604:f601::/32 | — | reserved | — | … |
| 2604:f602::/31 | — | reserved | — | … |
| 2604:f604::/30 | — | reserved | — | … |
| 2604:f608::/29 | — | reserved | — | … |
| 2604:f610::/28 | — | available | — | … |
| 2604:f620::/27 | — | available | — | … |
| 2604:f640:1000::/36 | — | reserved | — | … |
| 2604:f640:2000::/35 | — | reserved | — | … |
| 2604:f640:4000::/34 | — | reserved | — | … |
| 2604:f640:8000::/33 | — | reserved | — | … |
| 2604:f641::/32 | — | available | — | … |
| 2604:f642::/31 | — | available | — | … |
| 2604:f644::/30 | — | available | — | … |
| 2604:f648::/29 | — | available | — | … |
| 2604:f650::/28 | — | available | — | … |
| 2604:f660::/27 | — | available | — | … |
| 2604:f681::/32 | — | reserved | — | … |
| 2604:f682::/31 | — | reserved | — | … |
| 2604:f684::/30 | — | reserved | — | … |
| 2604:f688::/29 | — | reserved | — | … |
| 2604:f690::/28 | — | available | — | … |
| 2604:f6a0::/27 | — | available | — | … |
| 2604:f6c1::/32 | — | reserved | — | … |
| 2604:f6c2::/31 | — | reserved | — | … |
| 2604:f6c4::/30 | — | reserved | — | … |
| 2604:f6c8::/29 | — | reserved | — | … |
| 2604:f6d0::/28 | — | available | — | … |
| 2604:f6e0::/27 | — | available | — | … |
| 2604:f701::/32 | — | reserved | — | … |
| 2604:f702::/31 | — | reserved | — | … |
| 2604:f704::/30 | — | reserved | — | … |
| 2604:f708::/29 | — | reserved | — | … |
| 2604:f710::/28 | — | available | — | … |
| 2604:f720::/27 | — | available | — | … |
| 2604:f741::/32 | — | reserved | — | … |
| 2604:f742::/31 | — | reserved | — | … |
| 2604:f744::/30 | — | reserved | — | … |
| 2604:f748::/29 | — | reserved | — | … |
| 2604:f750::/28 | — | available | — | … |
| 2604:f760::/27 | — | available | — | … |
| 2604:f780::/32 | — | reserved | — | … |
| 2604:f781::/32 | — | reserved | — | … |
| 2604:f782::/31 | — | reserved | — | … |
| 2604:f784::/30 | — | reserved | — | … |
| 2604:f788::/29 | — | reserved | — | … |
| 2604:f790::/28 | — | available | — | … |
| 2604:f7a0::/27 | — | available | — | … |