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
1,645,647,872
📦
IPv4 networks
76,740
delegated blocks
🧭
IPv6 networks
11,370
delegated blocks
🔗
Autonomous systems
34,065
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2605:b342::/31 | — | reserved | — | … |
| 2605:b344::/30 | — | reserved | — | … |
| 2605:b348::/29 | — | reserved | — | … |
| 2605:b350::/28 | — | available | — | … |
| 2605:b360::/27 | — | available | — | … |
| 2605:b381::/32 | — | reserved | — | … |
| 2605:b382::/31 | — | reserved | — | … |
| 2605:b384::/30 | — | reserved | — | … |
| 2605:b388::/29 | — | reserved | — | … |
| 2605:b390::/28 | — | available | — | … |
| 2605:b3a0::/27 | — | available | — | … |
| 2605:b3c1::/32 | — | reserved | — | … |
| 2605:b3c2::/31 | — | reserved | — | … |
| 2605:b3c4::/30 | — | reserved | — | … |
| 2605:b3c8::/29 | — | reserved | — | … |
| 2605:b3d0::/28 | — | available | — | … |
| 2605:b3e0::/27 | — | available | — | … |
| 2605:b401::/32 | — | reserved | — | … |
| 2605:b402::/31 | — | reserved | — | … |
| 2605:b404::/30 | — | reserved | — | … |
| 2605:b408::/29 | — | reserved | — | … |
| 2605:b410::/28 | — | available | — | … |
| 2605:b420::/27 | — | available | — | … |
| 2605:b441::/32 | — | reserved | — | … |
| 2605:b442::/31 | — | reserved | — | … |
| 2605:b444::/30 | — | reserved | — | … |
| 2605:b448::/29 | — | reserved | — | … |
| 2605:b450::/28 | — | available | — | … |
| 2605:b460::/27 | — | available | — | … |
| 2605:b481::/32 | — | reserved | — | … |
| 2605:b482::/31 | — | reserved | — | … |
| 2605:b484::/30 | — | reserved | — | … |
| 2605:b488::/29 | — | reserved | — | … |
| 2605:b490::/28 | — | available | — | … |
| 2605:b4a0::/27 | — | available | — | … |
| 2605:b4c1::/32 | — | reserved | — | … |
| 2605:b4c2::/31 | — | reserved | — | … |
| 2605:b4c4::/30 | — | reserved | — | … |
| 2605:b4c8::/29 | — | reserved | — | … |
| 2605:b4d0::/28 | — | available | — | … |
| 2605:b4e0::/27 | — | available | — | … |
| 2605:b501::/32 | — | reserved | — | … |
| 2605:b502::/31 | — | reserved | — | … |
| 2605:b504::/30 | — | reserved | — | … |
| 2605:b508::/29 | — | reserved | — | … |
| 2605:b510::/28 | — | available | — | … |
| 2605:b520::/27 | — | available | — | … |
| 2605:b540::/26 | — | available | — | … |
| 2605:b581::/32 | — | reserved | — | … |
| 2605:b582::/31 | — | reserved | — | … |
| 2605:b584::/30 | — | reserved | — | … |
| 2605:b588::/29 | — | reserved | — | … |
| 2605:b590::/28 | — | available | — | … |
| 2605:b5a0::/27 | — | available | — | … |
| 2605:b5c1::/32 | — | reserved | — | … |
| 2605:b5c2::/31 | — | reserved | — | … |
| 2605:b5c4::/30 | — | reserved | — | … |
| 2605:b5c8::/29 | — | reserved | — | … |
| 2605:b5d0::/28 | — | available | — | … |
| 2605:b5e0::/27 | — | available | — | … |
| 2605:b601::/32 | — | reserved | — | … |
| 2605:b602::/31 | — | reserved | — | … |
| 2605:b604::/30 | — | reserved | — | … |
| 2605:b608::/29 | — | reserved | — | … |
| 2605:b610::/28 | — | available | — | … |
| 2605:b620::/27 | — | available | — | … |
| 2605:b641::/32 | — | reserved | — | … |
| 2605:b642::/31 | — | reserved | — | … |
| 2605:b644::/30 | — | reserved | — | … |
| 2605:b648::/29 | — | reserved | — | … |
| 2605:b650::/28 | — | available | — | … |
| 2605:b660::/27 | — | available | — | … |
| 2605:b681::/32 | — | reserved | — | … |
| 2605:b682::/31 | — | reserved | — | … |
| 2605:b684::/30 | — | reserved | — | … |
| 2605:b688::/29 | — | reserved | — | … |
| 2605:b690::/28 | — | available | — | … |
| 2605:b6a0::/27 | — | available | — | … |
| 2605:b6c0:1000::/36 | — | reserved | — | … |
| 2605:b6c0:2000::/35 | — | reserved | — | … |
| 2605:b6c0:4000::/34 | — | reserved | — | … |
| 2605:b6c0:8000::/33 | — | reserved | — | … |
| 2605:b6c1::/32 | — | reserved | — | … |
| 2605:b6c2::/31 | — | reserved | — | … |
| 2605:b6c4::/30 | — | reserved | — | … |
| 2605:b6c8::/29 | — | reserved | — | … |
| 2605:b6d0::/28 | — | available | — | … |
| 2605:b6e0::/27 | — | available | — | … |
| 2605:b700::/26 | — | available | — | … |
| 2605:b741::/32 | — | reserved | — | … |
| 2605:b742::/31 | — | reserved | — | … |
| 2605:b744::/30 | — | reserved | — | … |
| 2605:b748::/29 | — | reserved | — | … |
| 2605:b750::/28 | — | available | — | … |
| 2605:b760::/27 | — | available | — | … |
| 2605:b781::/32 | — | reserved | — | … |
| 2605:b782::/31 | — | reserved | — | … |
| 2605:b784::/30 | — | reserved | — | … |
| 2605:b788::/29 | — | reserved | — | … |
| 2605:b790::/28 | — | available | — | … |