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
1,644,590,848
📦
IPv4 networks
76,800
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 |
|---|---|---|---|---|
| 2607:5081::/32 | — | reserved | — | … |
| 2607:5082::/31 | — | reserved | — | … |
| 2607:5084::/30 | — | reserved | — | … |
| 2607:5088::/29 | — | reserved | — | … |
| 2607:5090::/28 | — | available | — | … |
| 2607:50a0::/27 | — | available | — | … |
| 2607:50c1::/32 | — | reserved | — | … |
| 2607:50c2::/31 | — | reserved | — | … |
| 2607:50c4::/30 | — | reserved | — | … |
| 2607:50c8::/29 | — | reserved | — | … |
| 2607:50d0::/28 | — | available | — | … |
| 2607:50e0::/27 | — | available | — | … |
| 2607:5110::/28 | — | available | — | … |
| 2607:5120::/27 | — | available | — | … |
| 2607:5141::/32 | — | reserved | — | … |
| 2607:5142::/31 | — | reserved | — | … |
| 2607:5144::/30 | — | reserved | — | … |
| 2607:5148::/29 | — | reserved | — | … |
| 2607:5150::/28 | — | available | — | … |
| 2607:5160::/27 | — | available | — | … |
| 2607:5181::/32 | — | reserved | — | … |
| 2607:5182::/31 | — | reserved | — | … |
| 2607:5184::/30 | — | reserved | — | … |
| 2607:5188::/29 | — | reserved | — | … |
| 2607:5190::/28 | — | available | — | … |
| 2607:51a0::/27 | — | available | — | … |
| 2607:51c1::/32 | — | reserved | — | … |
| 2607:51c2::/31 | — | reserved | — | … |
| 2607:51c4::/30 | — | reserved | — | … |
| 2607:51c8::/29 | — | reserved | — | … |
| 2607:51d0::/28 | — | available | — | … |
| 2607:51e0::/27 | — | available | — | … |
| 2607:5202::/31 | — | reserved | — | … |
| 2607:5204::/30 | — | reserved | — | … |
| 2607:5208::/29 | — | reserved | — | … |
| 2607:5210::/28 | — | available | — | … |
| 2607:5220::/27 | — | available | — | … |
| 2607:5241::/32 | — | reserved | — | … |
| 2607:5242::/31 | — | reserved | — | … |
| 2607:5244::/30 | — | reserved | — | … |
| 2607:5248::/29 | — | reserved | — | … |
| 2607:5250::/28 | — | available | — | … |
| 2607:5260::/27 | — | available | — | … |
| 2607:5281::/32 | — | reserved | — | … |
| 2607:5282::/31 | — | reserved | — | … |
| 2607:5284::/30 | — | reserved | — | … |
| 2607:5288::/29 | — | reserved | — | … |
| 2607:5290::/28 | — | available | — | … |
| 2607:52a0::/27 | — | available | — | … |
| 2607:52c1::/32 | — | reserved | — | … |
| 2607:52c2::/31 | — | reserved | — | … |
| 2607:52c4::/30 | — | reserved | — | … |
| 2607:52c8::/29 | — | reserved | — | … |
| 2607:52d0::/28 | — | available | — | … |
| 2607:52e0::/27 | — | available | — | … |
| 2607:5301::/32 | — | reserved | — | … |
| 2607:5302::/31 | — | reserved | — | … |
| 2607:5304::/30 | — | reserved | — | … |
| 2607:5308::/29 | — | reserved | — | … |
| 2607:5310::/28 | — | available | — | … |
| 2607:5320::/27 | — | available | — | … |
| 2607:5341::/32 | — | reserved | — | … |
| 2607:5342::/31 | — | reserved | — | … |
| 2607:5344::/30 | — | reserved | — | … |
| 2607:5348::/29 | — | reserved | — | … |
| 2607:5350::/28 | — | available | — | … |
| 2607:5360::/27 | — | available | — | … |
| 2607:5381::/32 | — | reserved | — | … |
| 2607:5382::/31 | — | reserved | — | … |
| 2607:5384::/30 | — | reserved | — | … |
| 2607:5388::/29 | — | reserved | — | … |
| 2607:5390::/28 | — | available | — | … |
| 2607:53a0::/27 | — | available | — | … |
| 2607:53c1::/32 | — | reserved | — | … |
| 2607:53c2::/31 | — | reserved | — | … |
| 2607:53c4::/30 | — | reserved | — | … |
| 2607:53c8::/29 | — | reserved | — | … |
| 2607:53d0::/28 | — | available | — | … |
| 2607:53e0::/27 | — | available | — | … |
| 2607:5401::/32 | — | reserved | — | … |
| 2607:5402::/31 | — | reserved | — | … |
| 2607:5404::/30 | — | reserved | — | … |
| 2607:5408::/29 | — | reserved | — | … |
| 2607:5410::/28 | — | available | — | … |
| 2607:5420::/27 | — | available | — | … |
| 2607:5440::/32 | — | reserved | — | … |
| 2607:5441::/32 | — | reserved | — | … |
| 2607:5442::/31 | — | reserved | — | … |
| 2607:5444::/30 | — | reserved | — | … |
| 2607:5448::/29 | — | reserved | — | … |
| 2607:5450::/28 | — | available | — | … |
| 2607:5460::/27 | — | available | — | … |
| 2607:5481::/32 | — | reserved | — | … |
| 2607:5482::/31 | — | reserved | — | … |
| 2607:5484::/30 | — | reserved | — | … |
| 2607:5488::/29 | — | reserved | — | … |
| 2607:5490::/28 | — | available | — | … |
| 2607:54a0::/27 | — | available | — | … |
| 2607:54c1::/32 | — | reserved | — | … |
| 2607:54c2::/31 | — | reserved | — | … |