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 |
|---|---|---|---|---|
| 2604:4081::/32 | — | reserved | — | … |
| 2604:4082::/31 | — | reserved | — | … |
| 2604:4084::/30 | — | reserved | — | … |
| 2604:4088::/29 | — | reserved | — | … |
| 2604:4090::/28 | — | available | — | … |
| 2604:40a0::/27 | — | available | — | … |
| 2604:40c0::/32 | — | reserved | — | … |
| 2604:40c1::/32 | — | reserved | — | … |
| 2604:40c2::/31 | — | reserved | — | … |
| 2604:40c4::/30 | — | reserved | — | … |
| 2604:40c8::/29 | — | reserved | — | … |
| 2604:40d0::/28 | — | available | — | … |
| 2604:40e0::/27 | — | available | — | … |
| 2604:4100:1000::/36 | — | reserved | — | … |
| 2604:4100:2000::/35 | — | reserved | — | … |
| 2604:4100:4000::/34 | — | reserved | — | … |
| 2604:4100:8000::/33 | — | reserved | — | … |
| 2604:4101::/32 | — | reserved | — | … |
| 2604:4102::/31 | — | reserved | — | … |
| 2604:4104::/30 | — | reserved | — | … |
| 2604:4108::/29 | — | reserved | — | … |
| 2604:4110::/28 | — | available | — | … |
| 2604:4120::/27 | — | available | — | … |
| 2604:4141::/32 | — | reserved | — | … |
| 2604:4142::/31 | — | reserved | — | … |
| 2604:4144::/30 | — | reserved | — | … |
| 2604:4148::/29 | — | reserved | — | … |
| 2604:4150::/28 | — | available | — | … |
| 2604:4160::/27 | — | available | — | … |
| 2604:4181::/32 | — | reserved | — | … |
| 2604:4182::/31 | — | reserved | — | … |
| 2604:4184::/30 | — | reserved | — | … |
| 2604:4188::/29 | — | reserved | — | … |
| 2604:4190::/28 | — | available | — | … |
| 2604:41a0::/27 | — | available | — | … |
| 2604:41c1::/32 | — | reserved | — | … |
| 2604:41c2::/31 | — | reserved | — | … |
| 2604:41c4::/30 | — | reserved | — | … |
| 2604:41c8::/29 | — | reserved | — | … |
| 2604:41d0::/28 | — | available | — | … |
| 2604:41e0::/27 | — | available | — | … |
| 2604:4201::/32 | — | reserved | — | … |
| 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 | — | … |