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 |
|---|---|---|---|---|
| 2607:42c1::/32 | — | reserved | — | … |
| 2607:42c2::/31 | — | reserved | — | … |
| 2607:42c4::/30 | — | reserved | — | … |
| 2607:42c8::/29 | — | reserved | — | … |
| 2607:42d0::/28 | — | available | — | … |
| 2607:42e0::/27 | — | available | — | … |
| 2607:4301::/32 | — | reserved | — | … |
| 2607:4302::/31 | — | reserved | — | … |
| 2607:4304::/30 | — | reserved | — | … |
| 2607:4308::/29 | — | reserved | — | … |
| 2607:4310::/28 | — | available | — | … |
| 2607:4320::/27 | — | available | — | … |
| 2607:4341::/32 | — | reserved | — | … |
| 2607:4342::/31 | — | reserved | — | … |
| 2607:4344::/30 | — | reserved | — | … |
| 2607:4348::/29 | — | reserved | — | … |
| 2607:4350::/28 | — | available | — | … |
| 2607:4360::/27 | — | available | — | … |
| 2607:4381::/32 | — | reserved | — | … |
| 2607:4382::/31 | — | reserved | — | … |
| 2607:4384::/30 | — | reserved | — | … |
| 2607:4388::/29 | — | reserved | — | … |
| 2607:4390::/28 | — | available | — | … |
| 2607:43a0::/27 | — | available | — | … |
| 2607:43d0::/28 | — | available | — | … |
| 2607:43e0::/27 | — | available | — | … |
| 2607:4401::/32 | — | reserved | — | … |
| 2607:4402::/31 | — | reserved | — | … |
| 2607:4404::/30 | — | reserved | — | … |
| 2607:4408::/29 | — | reserved | — | … |
| 2607:4410::/28 | — | available | — | … |
| 2607:4420::/27 | — | available | — | … |
| 2607:4441::/32 | — | reserved | — | … |
| 2607:4442::/31 | — | reserved | — | … |
| 2607:4444::/30 | — | reserved | — | … |
| 2607:4448::/29 | — | reserved | — | … |
| 2607:4450::/28 | — | available | — | … |
| 2607:4460::/27 | — | available | — | … |
| 2607:4481::/32 | — | reserved | — | … |
| 2607:4482::/31 | — | reserved | — | … |
| 2607:4484::/30 | — | reserved | — | … |
| 2607:4488::/29 | — | reserved | — | … |
| 2607:4490::/28 | — | available | — | … |
| 2607:44a0::/27 | — | available | — | … |
| 2607:44c1::/32 | — | reserved | — | … |
| 2607:44c2::/31 | — | reserved | — | … |
| 2607:44c4::/30 | — | reserved | — | … |
| 2607:44c8::/29 | — | reserved | — | … |
| 2607:44d0::/28 | — | available | — | … |
| 2607:44e0::/27 | — | available | — | … |
| 2607:4501::/32 | — | reserved | — | … |
| 2607:4502::/31 | — | reserved | — | … |
| 2607:4504::/30 | — | reserved | — | … |
| 2607:4508::/29 | — | reserved | — | … |
| 2607:4510::/28 | — | available | — | … |
| 2607:4520::/27 | — | available | — | … |
| 2607:4541::/32 | — | reserved | — | … |
| 2607:4542::/31 | — | reserved | — | … |
| 2607:4544::/30 | — | reserved | — | … |
| 2607:4548::/29 | — | reserved | — | … |
| 2607:4550::/28 | — | available | — | … |
| 2607:4560::/27 | — | available | — | … |
| 2607:4581::/32 | — | reserved | — | … |
| 2607:4582::/31 | — | reserved | — | … |
| 2607:4584::/30 | — | reserved | — | … |
| 2607:4588::/29 | — | reserved | — | … |
| 2607:4590::/28 | — | available | — | … |
| 2607:45a0::/27 | — | available | — | … |
| 2607:45c1::/32 | — | reserved | — | … |
| 2607:45c2::/31 | — | reserved | — | … |
| 2607:45c4::/30 | — | reserved | — | … |
| 2607:45c8::/29 | — | reserved | — | … |
| 2607:45d0::/28 | — | available | — | … |
| 2607:45e0::/27 | — | available | — | … |
| 2607:4601::/32 | — | reserved | — | … |
| 2607:4602::/31 | — | reserved | — | … |
| 2607:4604::/30 | — | reserved | — | … |
| 2607:4608::/29 | — | reserved | — | … |
| 2607:4610::/28 | — | available | — | … |
| 2607:4620::/27 | — | available | — | … |
| 2607:4641::/32 | — | reserved | — | … |
| 2607:4642::/31 | — | reserved | — | … |
| 2607:4644::/30 | — | reserved | — | … |
| 2607:4648::/29 | — | reserved | — | … |
| 2607:4650::/28 | — | available | — | … |
| 2607:4660::/27 | — | available | — | … |
| 2607:4681::/32 | — | reserved | — | … |
| 2607:4682::/31 | — | reserved | — | … |
| 2607:4684::/30 | — | reserved | — | … |
| 2607:4688::/29 | — | reserved | — | … |
| 2607:4690::/28 | — | available | — | … |
| 2607:46a0::/27 | — | available | — | … |
| 2607:46c1::/32 | — | reserved | — | … |
| 2607:46c2::/31 | — | reserved | — | … |
| 2607:46c4::/30 | — | reserved | — | … |
| 2607:46c8::/29 | — | reserved | — | … |
| 2607:46d0::/28 | — | available | — | … |
| 2607:46e0::/27 | — | available | — | … |
| 2607:4701::/32 | — | reserved | — | … |
| 2607:4702::/31 | — | reserved | — | … |