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 |
|---|---|---|---|---|
| 2604:4ea0::/27 | — | available | — | … |
| 2604:4ec1::/32 | — | reserved | — | … |
| 2604:4ec2::/31 | — | reserved | — | … |
| 2604:4ec4::/30 | — | reserved | — | … |
| 2604:4ec8::/29 | — | reserved | — | … |
| 2604:4ed0::/28 | — | available | — | … |
| 2604:4ee0::/27 | — | available | — | … |
| 2604:4f01::/32 | — | reserved | — | … |
| 2604:4f02::/31 | — | reserved | — | … |
| 2604:4f04::/30 | — | reserved | — | … |
| 2604:4f08::/29 | — | reserved | — | … |
| 2604:4f10::/28 | — | available | — | … |
| 2604:4f20::/27 | — | available | — | … |
| 2604:4f41::/32 | — | reserved | — | … |
| 2604:4f42::/31 | — | reserved | — | … |
| 2604:4f44::/30 | — | reserved | — | … |
| 2604:4f48::/29 | — | reserved | — | … |
| 2604:4f50::/28 | — | available | — | … |
| 2604:4f60::/27 | — | available | — | … |
| 2604:4f80::/36 | — | reserved | — | … |
| 2604:4f80:1000::/36 | — | reserved | — | … |
| 2604:4f80:2000::/35 | — | reserved | — | … |
| 2604:4f80:4000::/34 | — | reserved | — | … |
| 2604:4f80:8000::/33 | — | reserved | — | … |
| 2604:4f81::/32 | — | reserved | — | … |
| 2604:4f82::/31 | — | reserved | — | … |
| 2604:4f84::/30 | — | reserved | — | … |
| 2604:4f88::/29 | — | reserved | — | … |
| 2604:4f90::/28 | — | available | — | … |
| 2604:4fa0::/27 | — | available | — | … |
| 2604:4fc1::/32 | — | reserved | — | … |
| 2604:4fc2::/31 | — | reserved | — | … |
| 2604:4fc4::/30 | — | reserved | — | … |
| 2604:4fc8::/29 | — | reserved | — | … |
| 2604:4fd0::/28 | — | available | — | … |
| 2604:4fe0::/27 | — | available | — | … |
| 2604:5001::/32 | — | reserved | — | … |
| 2604:5002::/31 | — | reserved | — | … |
| 2604:5004::/30 | — | reserved | — | … |
| 2604:5008::/29 | — | reserved | — | … |
| 2604:5010::/28 | — | available | — | … |
| 2604:5020::/27 | — | available | — | … |
| 2604:5041::/32 | — | reserved | — | … |
| 2604:5042::/31 | — | reserved | — | … |
| 2604:5044::/30 | — | reserved | — | … |
| 2604:5048::/29 | — | reserved | — | … |
| 2604:5050::/28 | — | available | — | … |
| 2604:5060::/27 | — | available | — | … |
| 2604:5081::/32 | — | reserved | — | … |
| 2604:5082::/31 | — | reserved | — | … |
| 2604:5084::/30 | — | reserved | — | … |
| 2604:5088::/29 | — | reserved | — | … |
| 2604:5090::/28 | — | available | — | … |
| 2604:50a0::/27 | — | available | — | … |
| 2604:50c1::/32 | — | reserved | — | … |
| 2604:50c2::/31 | — | reserved | — | … |
| 2604:50c4::/30 | — | reserved | — | … |
| 2604:50c8::/29 | — | reserved | — | … |
| 2604:50d0::/28 | — | available | — | … |
| 2604:50e0::/27 | — | available | — | … |
| 2604:5101::/32 | — | reserved | — | … |
| 2604:5102::/31 | — | reserved | — | … |
| 2604:5104::/30 | — | reserved | — | … |
| 2604:5108::/29 | — | reserved | — | … |
| 2604:5110::/28 | — | available | — | … |
| 2604:5120::/27 | — | available | — | … |
| 2604:5141::/32 | — | reserved | — | … |
| 2604:5142::/31 | — | reserved | — | … |
| 2604:5144::/30 | — | reserved | — | … |
| 2604:5148::/29 | — | reserved | — | … |
| 2604:5150::/28 | — | available | — | … |
| 2604:5160::/27 | — | available | — | … |
| 2604:5180::/26 | — | available | — | … |
| 2604:51c1::/32 | — | reserved | — | … |
| 2604:51c2::/31 | — | reserved | — | … |
| 2604:51c4::/30 | — | reserved | — | … |
| 2604:51c8::/29 | — | reserved | — | … |
| 2604:51d0::/28 | — | available | — | … |
| 2604:51e0::/27 | — | available | — | … |
| 2604:5201::/32 | — | reserved | — | … |
| 2604:5202::/31 | — | reserved | — | … |
| 2604:5204::/30 | — | reserved | — | … |
| 2604:5208::/29 | — | reserved | — | … |
| 2604:5210::/28 | — | available | — | … |
| 2604:5220::/27 | — | available | — | … |
| 2604:5241::/32 | — | reserved | — | … |
| 2604:5242::/31 | — | reserved | — | … |
| 2604:5244::/30 | — | reserved | — | … |
| 2604:5248::/29 | — | reserved | — | … |
| 2604:5250::/28 | — | available | — | … |
| 2604:5260::/27 | — | available | — | … |
| 2604:5281::/32 | — | reserved | — | … |
| 2604:5282::/31 | — | reserved | — | … |
| 2604:5284::/30 | — | reserved | — | … |
| 2604:5288::/29 | — | reserved | — | … |
| 2604:5290::/28 | — | available | — | … |
| 2604:52a0::/27 | — | available | — | … |
| 2604:52c1::/32 | — | reserved | — | … |
| 2604:52c2::/31 | — | reserved | — | … |
| 2604:52c4::/30 | — | reserved | — | … |