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
1,645,650,944
📦
IPv4 networks
76,728
delegated blocks
🧭
IPv6 networks
11,368
delegated blocks
🔗
Autonomous systems
34,055
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:52c8::/29 | — | reserved | — | … |
| 2604:52d0::/28 | — | available | — | … |
| 2604:52e0::/27 | — | available | — | … |
| 2604:5301::/32 | — | reserved | — | … |
| 2604:5302::/31 | — | reserved | — | … |
| 2604:5304::/30 | — | reserved | — | … |
| 2604:5308::/29 | — | reserved | — | … |
| 2604:5310::/28 | — | available | — | … |
| 2604:5320::/27 | — | available | — | … |
| 2604:5341::/32 | — | reserved | — | … |
| 2604:5342::/31 | — | reserved | — | … |
| 2604:5344::/30 | — | reserved | — | … |
| 2604:5348::/29 | — | reserved | — | … |
| 2604:5350::/28 | — | available | — | … |
| 2604:5360::/27 | — | available | — | … |
| 2604:5381::/32 | — | reserved | — | … |
| 2604:5382::/31 | — | reserved | — | … |
| 2604:5384::/30 | — | reserved | — | … |
| 2604:5388::/29 | — | reserved | — | … |
| 2604:5390::/28 | — | available | — | … |
| 2604:53a0::/27 | — | available | — | … |
| 2604:53c1::/32 | — | reserved | — | … |
| 2604:53c2::/31 | — | reserved | — | … |
| 2604:53c4::/30 | — | reserved | — | … |
| 2604:53c8::/29 | — | reserved | — | … |
| 2604:53d0::/28 | — | available | — | … |
| 2604:53e0::/27 | — | available | — | … |
| 2604:5401::/32 | — | reserved | — | … |
| 2604:5402::/31 | — | reserved | — | … |
| 2604:5404::/30 | — | reserved | — | … |
| 2604:5408::/29 | — | reserved | — | … |
| 2604:5410::/28 | — | available | — | … |
| 2604:5420::/27 | — | available | — | … |
| 2604:5441::/32 | — | reserved | — | … |
| 2604:5442::/31 | — | reserved | — | … |
| 2604:5444::/30 | — | reserved | — | … |
| 2604:5448::/29 | — | reserved | — | … |
| 2604:5450::/28 | — | available | — | … |
| 2604:5460::/27 | — | available | — | … |
| 2604:5481::/32 | — | reserved | — | … |
| 2604:5482::/31 | — | reserved | — | … |
| 2604:5484::/30 | — | reserved | — | … |
| 2604:5488::/29 | — | reserved | — | … |
| 2604:5490::/28 | — | available | — | … |
| 2604:54a0::/27 | — | available | — | … |
| 2604:54c1::/32 | — | reserved | — | … |
| 2604:54c2::/31 | — | reserved | — | … |
| 2604:54c4::/30 | — | reserved | — | … |
| 2604:54c8::/29 | — | reserved | — | … |
| 2604:54d0::/28 | — | available | — | … |
| 2604:54e0::/27 | — | available | — | … |
| 2604:5501::/32 | — | reserved | — | … |
| 2604:5502::/31 | — | reserved | — | … |
| 2604:5504::/30 | — | reserved | — | … |
| 2604:5508::/29 | — | reserved | — | … |
| 2604:5510::/28 | — | available | — | … |
| 2604:5520::/27 | — | available | — | … |
| 2604:5541::/32 | — | reserved | — | … |
| 2604:5542::/31 | — | reserved | — | … |
| 2604:5544::/30 | — | reserved | — | … |
| 2604:5548::/29 | — | reserved | — | … |
| 2604:5550::/28 | — | available | — | … |
| 2604:5560::/27 | — | available | — | … |
| 2604:5581::/32 | — | reserved | — | … |
| 2604:5582::/31 | — | reserved | — | … |
| 2604:5584::/30 | — | reserved | — | … |
| 2604:5588::/29 | — | reserved | — | … |
| 2604:5590::/28 | — | available | — | … |
| 2604:55a0::/27 | — | available | — | … |
| 2604:55c1::/32 | — | reserved | — | … |
| 2604:55c2::/31 | — | reserved | — | … |
| 2604:55c4::/30 | — | reserved | — | … |
| 2604:55c8::/29 | — | reserved | — | … |
| 2604:55d0::/28 | — | available | — | … |
| 2604:55e0::/27 | — | available | — | … |
| 2604:5601::/32 | — | reserved | — | … |
| 2604:5602::/31 | — | reserved | — | … |
| 2604:5604::/30 | — | reserved | — | … |
| 2604:5608::/29 | — | reserved | — | … |
| 2604:5610::/28 | — | available | — | … |
| 2604:5620::/27 | — | available | — | … |
| 2604:5640::/32 | — | reserved | — | … |
| 2604:5641::/32 | — | reserved | — | … |
| 2604:5642::/31 | — | reserved | — | … |
| 2604:5644::/30 | — | reserved | — | … |
| 2604:5648::/29 | — | reserved | — | … |
| 2604:5650::/28 | — | available | — | … |
| 2604:5660::/27 | — | available | — | … |
| 2604:5681::/32 | — | reserved | — | … |
| 2604:5682::/31 | — | reserved | — | … |
| 2604:5684::/30 | — | reserved | — | … |
| 2604:5688::/29 | — | reserved | — | … |
| 2604:5690::/28 | — | available | — | … |
| 2604:56a0::/27 | — | available | — | … |
| 2604:56c1::/32 | — | reserved | — | … |
| 2604:56c2::/31 | — | reserved | — | … |
| 2604:56c4::/30 | — | reserved | — | … |
| 2604:56c8::/29 | — | reserved | — | … |
| 2604:56d0::/28 | — | available | — | … |
| 2604:56e0::/27 | — | available | — | … |