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 |
|---|---|---|---|---|
| 2604:3c44::/30 | — | reserved | — | … |
| 2604:3c48::/29 | — | reserved | — | … |
| 2604:3c50::/28 | — | available | — | … |
| 2604:3c60::/27 | — | available | — | … |
| 2604:3c81::/32 | — | reserved | — | … |
| 2604:3c82::/31 | — | reserved | — | … |
| 2604:3c84::/30 | — | reserved | — | … |
| 2604:3c88::/29 | — | reserved | — | … |
| 2604:3c90::/28 | — | available | — | … |
| 2604:3ca0::/27 | — | available | — | … |
| 2604:3cc1::/32 | — | reserved | — | … |
| 2604:3cc2::/31 | — | reserved | — | … |
| 2604:3cc4::/30 | — | reserved | — | … |
| 2604:3cc8::/29 | — | reserved | — | … |
| 2604:3cd0::/28 | — | available | — | … |
| 2604:3ce0::/27 | — | available | — | … |
| 2604:3d10::/28 | — | available | — | … |
| 2604:3d20::/27 | — | available | — | … |
| 2604:3d41::/32 | — | reserved | — | … |
| 2604:3d42::/31 | — | reserved | — | … |
| 2604:3d44::/30 | — | reserved | — | … |
| 2604:3d48::/29 | — | reserved | — | … |
| 2604:3d50::/28 | — | available | — | … |
| 2604:3d60::/27 | — | available | — | … |
| 2604:3d81::/32 | — | reserved | — | … |
| 2604:3d82::/31 | — | reserved | — | … |
| 2604:3d84::/30 | — | reserved | — | … |
| 2604:3d88::/29 | — | reserved | — | … |
| 2604:3d90::/28 | — | available | — | … |
| 2604:3da0::/27 | — | available | — | … |
| 2604:3dc1::/32 | — | reserved | — | … |
| 2604:3dc2::/31 | — | reserved | — | … |
| 2604:3dc4::/30 | — | reserved | — | … |
| 2604:3dc8::/29 | — | reserved | — | … |
| 2604:3dd0::/28 | — | available | — | … |
| 2604:3de0::/27 | — | available | — | … |
| 2604:3e01::/32 | — | reserved | — | … |
| 2604:3e02::/31 | — | reserved | — | … |
| 2604:3e04::/30 | — | reserved | — | … |
| 2604:3e08::/29 | — | reserved | — | … |
| 2604:3e10::/28 | — | available | — | … |
| 2604:3e20::/27 | — | available | — | … |
| 2604:3e41::/32 | — | reserved | — | … |
| 2604:3e42::/31 | — | reserved | — | … |
| 2604:3e44::/30 | — | reserved | — | … |
| 2604:3e48::/29 | — | reserved | — | … |
| 2604:3e50::/28 | — | available | — | … |
| 2604:3e60::/27 | — | available | — | … |
| 2604:3e81::/32 | — | reserved | — | … |
| 2604:3e82::/31 | — | reserved | — | … |
| 2604:3e84::/30 | — | reserved | — | … |
| 2604:3e88::/29 | — | reserved | — | … |
| 2604:3e90::/28 | — | available | — | … |
| 2604:3ea0::/27 | — | available | — | … |
| 2604:3ec1::/32 | — | reserved | — | … |
| 2604:3ec2::/31 | — | reserved | — | … |
| 2604:3ec4::/30 | — | reserved | — | … |
| 2604:3ec8::/29 | — | reserved | — | … |
| 2604:3ed0::/28 | — | available | — | … |
| 2604:3ee0::/27 | — | available | — | … |
| 2604:3f01::/32 | — | reserved | — | … |
| 2604:3f02::/31 | — | reserved | — | … |
| 2604:3f04::/30 | — | reserved | — | … |
| 2604:3f08::/29 | — | reserved | — | … |
| 2604:3f10::/28 | — | available | — | … |
| 2604:3f20::/27 | — | available | — | … |
| 2604:3f40:1000::/36 | — | reserved | — | … |
| 2604:3f40:2000::/35 | — | reserved | — | … |
| 2604:3f40:4000::/34 | — | reserved | — | … |
| 2604:3f40:8000::/33 | — | reserved | — | … |
| 2604:3f41::/32 | — | reserved | — | … |
| 2604:3f42::/31 | — | reserved | — | … |
| 2604:3f44::/30 | — | reserved | — | … |
| 2604:3f48::/29 | — | reserved | — | … |
| 2604:3f50::/28 | — | available | — | … |
| 2604:3f60::/27 | — | available | — | … |
| 2604:3f81::/32 | — | reserved | — | … |
| 2604:3f82::/31 | — | reserved | — | … |
| 2604:3f84::/30 | — | reserved | — | … |
| 2604:3f88::/29 | — | reserved | — | … |
| 2604:3f90::/28 | — | available | — | … |
| 2604:3fa0::/27 | — | available | — | … |
| 2604:3fc1::/32 | — | reserved | — | … |
| 2604:3fc2::/31 | — | reserved | — | … |
| 2604:3fc4::/30 | — | reserved | — | … |
| 2604:3fc8::/29 | — | reserved | — | … |
| 2604:3fd0::/28 | — | available | — | … |
| 2604:3fe0::/27 | — | available | — | … |
| 2604:4001::/32 | — | reserved | — | … |
| 2604:4002::/31 | — | reserved | — | … |
| 2604:4004::/30 | — | reserved | — | … |
| 2604:4008::/29 | — | reserved | — | … |
| 2604:4010::/28 | — | available | — | … |
| 2604:4020::/27 | — | available | — | … |
| 2604:4041::/32 | — | reserved | — | … |
| 2604:4042::/31 | — | reserved | — | … |
| 2604:4044::/30 | — | reserved | — | … |
| 2604:4048::/29 | — | reserved | — | … |
| 2604:4050::/28 | — | available | — | … |
| 2604:4060::/27 | — | available | — | … |