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 |
|---|---|---|---|---|
| 2604:5bc1::/32 | — | reserved | — | … |
| 2604:5bc2::/31 | — | reserved | — | … |
| 2604:5bc4::/30 | — | reserved | — | … |
| 2604:5bc8::/29 | — | reserved | — | … |
| 2604:5bd0::/28 | — | available | — | … |
| 2604:5be0::/27 | — | available | — | … |
| 2604:5c00::/26 | — | available | — | … |
| 2604:5c41::/32 | — | reserved | — | … |
| 2604:5c42::/31 | — | reserved | — | … |
| 2604:5c44::/30 | — | reserved | — | … |
| 2604:5c48::/29 | — | reserved | — | … |
| 2604:5c50::/28 | — | available | — | … |
| 2604:5c60::/27 | — | available | — | … |
| 2604:5c81::/32 | — | reserved | — | … |
| 2604:5c82::/31 | — | reserved | — | … |
| 2604:5c84::/30 | — | reserved | — | … |
| 2604:5c88::/29 | — | reserved | — | … |
| 2604:5c90::/28 | — | available | — | … |
| 2604:5ca0::/27 | — | available | — | … |
| 2604:5cc1::/32 | — | reserved | — | … |
| 2604:5cc2::/31 | — | reserved | — | … |
| 2604:5cc4::/30 | — | reserved | — | … |
| 2604:5cc8::/29 | — | reserved | — | … |
| 2604:5cd0::/28 | — | available | — | … |
| 2604:5ce0::/27 | — | available | — | … |
| 2604:5d01::/32 | — | reserved | — | … |
| 2604:5d02::/31 | — | reserved | — | … |
| 2604:5d04::/30 | — | reserved | — | … |
| 2604:5d08::/29 | — | reserved | — | … |
| 2604:5d10::/28 | — | available | — | … |
| 2604:5d20::/27 | — | available | — | … |
| 2604:5d41::/32 | — | reserved | — | … |
| 2604:5d42::/31 | — | reserved | — | … |
| 2604:5d44::/30 | — | reserved | — | … |
| 2604:5d48::/29 | — | reserved | — | … |
| 2604:5d50::/28 | — | available | — | … |
| 2604:5d60::/27 | — | available | — | … |
| 2604:5d80::/32 | — | reserved | — | … |
| 2604:5d81::/32 | — | reserved | — | … |
| 2604:5d82::/31 | — | reserved | — | … |
| 2604:5d84::/30 | — | reserved | — | … |
| 2604:5d88::/29 | — | reserved | — | … |
| 2604:5d90::/28 | — | available | — | … |
| 2604:5da0::/27 | — | available | — | … |
| 2604:5dc1::/32 | — | reserved | — | … |
| 2604:5dc2::/31 | — | reserved | — | … |
| 2604:5dc4::/30 | — | reserved | — | … |
| 2604:5dc8::/29 | — | reserved | — | … |
| 2604:5dd0::/28 | — | available | — | … |
| 2604:5de0::/27 | — | available | — | … |
| 2604:5e01::/32 | — | reserved | — | … |
| 2604:5e02::/31 | — | reserved | — | … |
| 2604:5e04::/30 | — | reserved | — | … |
| 2604:5e08::/29 | — | reserved | — | … |
| 2604:5e10::/28 | — | available | — | … |
| 2604:5e20::/27 | — | available | — | … |
| 2604:5e41::/32 | — | reserved | — | … |
| 2604:5e42::/31 | — | reserved | — | … |
| 2604:5e44::/30 | — | reserved | — | … |
| 2604:5e48::/29 | — | reserved | — | … |
| 2604:5e50::/28 | — | available | — | … |
| 2604:5e60::/27 | — | available | — | … |
| 2604:5e81::/32 | — | reserved | — | … |
| 2604:5e82::/31 | — | reserved | — | … |
| 2604:5e84::/30 | — | reserved | — | … |
| 2604:5e88::/29 | — | reserved | — | … |
| 2604:5e90::/28 | — | available | — | … |
| 2604:5ea0::/27 | — | available | — | … |
| 2604:5ec1::/32 | — | reserved | — | … |
| 2604:5ec2::/31 | — | reserved | — | … |
| 2604:5ec4::/30 | — | reserved | — | … |
| 2604:5ec8::/29 | — | reserved | — | … |
| 2604:5ed0::/28 | — | available | — | … |
| 2604:5ee0::/27 | — | available | — | … |
| 2604:5f01::/32 | — | reserved | — | … |
| 2604:5f02::/31 | — | reserved | — | … |
| 2604:5f04::/30 | — | reserved | — | … |
| 2604:5f08::/29 | — | reserved | — | … |
| 2604:5f10::/28 | — | available | — | … |
| 2604:5f20::/27 | — | available | — | … |
| 2604:5f41::/32 | — | reserved | — | … |
| 2604:5f42::/31 | — | reserved | — | … |
| 2604:5f44::/30 | — | reserved | — | … |
| 2604:5f48::/29 | — | reserved | — | … |
| 2604:5f50::/28 | — | available | — | … |
| 2604:5f60::/27 | — | available | — | … |
| 2604:5f81::/32 | — | reserved | — | … |
| 2604:5f82::/31 | — | reserved | — | … |
| 2604:5f84::/30 | — | reserved | — | … |
| 2604:5f88::/29 | — | reserved | — | … |
| 2604:5f90::/28 | — | available | — | … |
| 2604:5fa0::/27 | — | available | — | … |
| 2604:5fc1::/32 | — | reserved | — | … |
| 2604:5fc2::/31 | — | reserved | — | … |
| 2604:5fc4::/30 | — | reserved | — | … |
| 2604:5fc8::/29 | — | reserved | — | … |
| 2604:5fd0::/28 | — | available | — | … |
| 2604:5fe0::/27 | — | available | — | … |
| 2604:6001::/32 | — | reserved | — | … |
| 2604:6002::/31 | — | reserved | — | … |