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 |
|---|---|---|---|---|
| 2604:4202::/31 | — | reserved | — | … |
| 2604:4204::/30 | — | reserved | — | … |
| 2604:4208::/29 | — | reserved | — | … |
| 2604:4210::/28 | — | available | — | … |
| 2604:4220::/27 | — | available | — | … |
| 2604:4240:1000::/36 | — | reserved | — | … |
| 2604:4240:2000::/35 | — | reserved | — | … |
| 2604:4240:4000::/34 | — | reserved | — | … |
| 2604:4240:8000::/33 | — | reserved | — | … |
| 2604:4241::/32 | — | reserved | — | … |
| 2604:4242::/31 | — | reserved | — | … |
| 2604:4244::/30 | — | reserved | — | … |
| 2604:4248::/29 | — | reserved | — | … |
| 2604:4250::/28 | — | available | — | … |
| 2604:4260::/27 | — | available | — | … |
| 2604:4281::/32 | — | reserved | — | … |
| 2604:4282::/31 | — | reserved | — | … |
| 2604:4284::/30 | — | reserved | — | … |
| 2604:4288::/29 | — | reserved | — | … |
| 2604:4290::/28 | — | available | — | … |
| 2604:42a0::/27 | — | available | — | … |
| 2604:42c1::/32 | — | reserved | — | … |
| 2604:42c2::/31 | — | reserved | — | … |
| 2604:42c4::/30 | — | reserved | — | … |
| 2604:42c8::/29 | — | reserved | — | … |
| 2604:42d0::/28 | — | available | — | … |
| 2604:42e0::/27 | — | available | — | … |
| 2604:4301::/32 | — | reserved | — | … |
| 2604:4302::/31 | — | reserved | — | … |
| 2604:4304::/30 | — | reserved | — | … |
| 2604:4308::/29 | — | reserved | — | … |
| 2604:4310::/28 | — | available | — | … |
| 2604:4320::/27 | — | available | — | … |
| 2604:4341::/32 | — | reserved | — | … |
| 2604:4342::/31 | — | reserved | — | … |
| 2604:4344::/30 | — | reserved | — | … |
| 2604:4348::/29 | — | reserved | — | … |
| 2604:4350::/28 | — | available | — | … |
| 2604:4360::/27 | — | available | — | … |
| 2604:4381::/32 | — | reserved | — | … |
| 2604:4382::/31 | — | reserved | — | … |
| 2604:4384::/30 | — | reserved | — | … |
| 2604:4388::/29 | — | reserved | — | … |
| 2604:4390::/28 | — | available | — | … |
| 2604:43a0::/27 | — | available | — | … |
| 2604:43c1::/32 | — | reserved | — | … |
| 2604:43c2::/31 | — | reserved | — | … |
| 2604:43c4::/30 | — | reserved | — | … |
| 2604:43c8::/29 | — | reserved | — | … |
| 2604:43d0::/28 | — | available | — | … |
| 2604:43e0::/27 | — | available | — | … |
| 2604:4401::/32 | — | reserved | — | … |
| 2604:4402::/31 | — | reserved | — | … |
| 2604:4404::/30 | — | reserved | — | … |
| 2604:4408::/29 | — | reserved | — | … |
| 2604:4410::/28 | — | available | — | … |
| 2604:4420::/27 | — | available | — | … |
| 2604:4441::/32 | — | reserved | — | … |
| 2604:4442::/31 | — | reserved | — | … |
| 2604:4444::/30 | — | reserved | — | … |
| 2604:4448::/29 | — | reserved | — | … |
| 2604:4450::/28 | — | available | — | … |
| 2604:4460::/27 | — | available | — | … |
| 2604:4481::/32 | — | reserved | — | … |
| 2604:4482::/31 | — | reserved | — | … |
| 2604:4484::/30 | — | reserved | — | … |
| 2604:4488::/29 | — | reserved | — | … |
| 2604:4490::/28 | — | available | — | … |
| 2604:44a0::/27 | — | available | — | … |
| 2604:44c1::/32 | — | reserved | — | … |
| 2604:44c2::/31 | — | reserved | — | … |
| 2604:44c4::/30 | — | reserved | — | … |
| 2604:44c8::/29 | — | reserved | — | … |
| 2604:44d0::/28 | — | available | — | … |
| 2604:44e0::/27 | — | available | — | … |
| 2604:4501::/32 | — | reserved | — | … |
| 2604:4502::/31 | — | reserved | — | … |
| 2604:4504::/30 | — | reserved | — | … |
| 2604:4508::/29 | — | reserved | — | … |
| 2604:4510::/28 | — | available | — | … |
| 2604:4520::/27 | — | available | — | … |
| 2604:4541::/32 | — | reserved | — | … |
| 2604:4542::/31 | — | reserved | — | … |
| 2604:4544::/30 | — | reserved | — | … |
| 2604:4548::/29 | — | reserved | — | … |
| 2604:4550::/28 | — | available | — | … |
| 2604:4560::/27 | — | available | — | … |
| 2604:4581::/32 | — | reserved | — | … |
| 2604:4582::/31 | — | reserved | — | … |
| 2604:4584::/30 | — | reserved | — | … |
| 2604:4588::/29 | — | reserved | — | … |
| 2604:4590::/28 | — | available | — | … |
| 2604:45a0::/27 | — | available | — | … |
| 2604:45c1::/32 | — | reserved | — | … |
| 2604:45c2::/31 | — | reserved | — | … |
| 2604:45c4::/30 | — | reserved | — | … |
| 2604:45c8::/29 | — | reserved | — | … |
| 2604:45d0::/28 | — | available | — | … |
| 2604:45e0::/27 | — | available | — | … |
| 2604:4610::/28 | — | available | — | … |