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
1.64B
1,644,591,360
📦
IPv4 networks
76,802
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:350::/28 | — | available | — | … |
| 2604:361::/32 | — | reserved | — | … |
| 2604:362::/31 | — | reserved | — | … |
| 2604:364::/30 | — | reserved | — | … |
| 2604:368::/29 | — | reserved | — | … |
| 2604:370::/28 | — | available | — | … |
| 2604:381::/32 | — | reserved | — | … |
| 2604:382::/31 | — | reserved | — | … |
| 2604:384::/30 | — | reserved | — | … |
| 2604:388::/29 | — | reserved | — | … |
| 2604:390::/28 | — | available | — | … |
| 2604:3a1::/32 | — | reserved | — | … |
| 2604:3a2::/31 | — | reserved | — | … |
| 2604:3a4::/30 | — | reserved | — | … |
| 2604:3a8::/29 | — | reserved | — | … |
| 2604:3b0::/28 | — | available | — | … |
| 2604:3c1::/32 | — | reserved | — | … |
| 2604:3c2::/31 | — | reserved | — | … |
| 2604:3c4::/30 | — | reserved | — | … |
| 2604:3c8::/29 | — | reserved | — | … |
| 2604:3d0::/28 | — | available | — | … |
| 2604:3e1::/32 | — | reserved | — | … |
| 2604:3e2::/31 | — | reserved | — | … |
| 2604:3e4::/30 | — | reserved | — | … |
| 2604:3e8::/29 | — | reserved | — | … |
| 2604:3f0::/28 | — | available | — | … |
| 2604:401::/32 | — | reserved | — | … |
| 2604:402::/31 | — | reserved | — | … |
| 2604:404::/30 | — | reserved | — | … |
| 2604:408::/29 | — | reserved | — | … |
| 2604:410::/28 | — | available | — | … |
| 2604:420::/27 | — | available | — | … |
| 2604:441::/32 | — | reserved | — | … |
| 2604:442::/31 | — | reserved | — | … |
| 2604:444::/30 | — | reserved | — | … |
| 2604:448::/29 | — | reserved | — | … |
| 2604:450::/28 | — | available | — | … |
| 2604:461::/32 | — | reserved | — | … |
| 2604:462::/31 | — | reserved | — | … |
| 2604:464::/30 | — | reserved | — | … |
| 2604:468::/29 | — | reserved | — | … |
| 2604:470::/28 | — | available | — | … |
| 2604:481::/32 | — | reserved | — | … |
| 2604:482::/31 | — | reserved | — | … |
| 2604:484::/30 | — | reserved | — | … |
| 2604:488::/29 | — | reserved | — | … |
| 2604:490::/28 | — | available | — | … |
| 2604:4a1::/32 | — | reserved | — | … |
| 2604:4a2::/31 | — | reserved | — | … |
| 2604:4a4::/30 | — | reserved | — | … |
| 2604:4a8::/29 | — | reserved | — | … |
| 2604:4b0::/28 | — | available | — | … |
| 2604:4c1::/32 | — | reserved | — | … |
| 2604:4c2::/31 | — | reserved | — | … |
| 2604:4c4::/30 | — | reserved | — | … |
| 2604:4c8::/29 | — | reserved | — | … |
| 2604:4d0::/28 | — | available | — | … |
| 2604:4e1::/32 | — | reserved | — | … |
| 2604:4e2::/31 | — | reserved | — | … |
| 2604:4e4::/30 | — | reserved | — | … |
| 2604:4e8::/29 | — | reserved | — | … |
| 2604:4f0::/28 | — | available | — | … |
| 2604:501::/32 | — | reserved | — | … |
| 2604:502::/31 | — | reserved | — | … |
| 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 | — | … |