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 |
|---|---|---|---|---|
| 2604:4a48::/29 | — | reserved | — | … |
| 2604:4a50::/28 | — | available | — | … |
| 2604:4a60::/27 | — | available | — | … |
| 2604:4a81::/32 | — | reserved | — | … |
| 2604:4a82::/31 | — | reserved | — | … |
| 2604:4a84::/30 | — | reserved | — | … |
| 2604:4a88::/29 | — | reserved | — | … |
| 2604:4a90::/28 | — | available | — | … |
| 2604:4aa0::/27 | — | available | — | … |
| 2604:4ac1::/32 | — | reserved | — | … |
| 2604:4ac2::/31 | — | reserved | — | … |
| 2604:4ac4::/30 | — | reserved | — | … |
| 2604:4ac8::/29 | — | reserved | — | … |
| 2604:4ad0::/28 | — | available | — | … |
| 2604:4ae0::/27 | — | available | — | … |
| 2604:4b01::/32 | — | reserved | — | … |
| 2604:4b02::/31 | — | reserved | — | … |
| 2604:4b04::/30 | — | reserved | — | … |
| 2604:4b08::/29 | — | reserved | — | … |
| 2604:4b10::/28 | — | available | — | … |
| 2604:4b20::/27 | — | available | — | … |
| 2604:4b50::/28 | — | available | — | … |
| 2604:4b60::/27 | — | available | — | … |
| 2604:4b81::/32 | — | reserved | — | … |
| 2604:4b82::/31 | — | reserved | — | … |
| 2604:4b84::/30 | — | reserved | — | … |
| 2604:4b88::/29 | — | reserved | — | … |
| 2604:4b90::/28 | — | available | — | … |
| 2604:4ba0::/27 | — | available | — | … |
| 2604:4bc1::/32 | — | reserved | — | … |
| 2604:4bc2::/31 | — | reserved | — | … |
| 2604:4bc4::/30 | — | reserved | — | … |
| 2604:4bc8::/29 | — | reserved | — | … |
| 2604:4bd0::/28 | — | available | — | … |
| 2604:4be0::/27 | — | available | — | … |
| 2604:4c01::/32 | — | reserved | — | … |
| 2604:4c02::/31 | — | reserved | — | … |
| 2604:4c04::/30 | — | reserved | — | … |
| 2604:4c08::/29 | — | reserved | — | … |
| 2604:4c10::/28 | — | available | — | … |
| 2604:4c20::/27 | — | available | — | … |
| 2604:4c41::/32 | — | reserved | — | … |
| 2604:4c42::/31 | — | reserved | — | … |
| 2604:4c44::/30 | — | reserved | — | … |
| 2604:4c48::/29 | — | reserved | — | … |
| 2604:4c50::/28 | — | available | — | … |
| 2604:4c60::/27 | — | available | — | … |
| 2604:4c81::/32 | — | reserved | — | … |
| 2604:4c82::/31 | — | reserved | — | … |
| 2604:4c84::/30 | — | reserved | — | … |
| 2604:4c88::/29 | — | reserved | — | … |
| 2604:4c90::/28 | — | available | — | … |
| 2604:4ca0::/27 | — | available | — | … |
| 2604:4cc1::/32 | — | reserved | — | … |
| 2604:4cc2::/31 | — | reserved | — | … |
| 2604:4cc4::/30 | — | reserved | — | … |
| 2604:4cc8::/29 | — | reserved | — | … |
| 2604:4cd0::/28 | — | available | — | … |
| 2604:4ce0::/27 | — | available | — | … |
| 2604:4d01::/32 | — | reserved | — | … |
| 2604:4d02::/31 | — | reserved | — | … |
| 2604:4d04::/30 | — | reserved | — | … |
| 2604:4d08::/29 | — | reserved | — | … |
| 2604:4d10::/28 | — | available | — | … |
| 2604:4d20::/27 | — | available | — | … |
| 2604:4d41::/32 | — | reserved | — | … |
| 2604:4d42::/31 | — | reserved | — | … |
| 2604:4d44::/30 | — | reserved | — | … |
| 2604:4d48::/29 | — | reserved | — | … |
| 2604:4d50::/28 | — | available | — | … |
| 2604:4d60::/27 | — | available | — | … |
| 2604:4d81::/32 | — | reserved | — | … |
| 2604:4d82::/31 | — | reserved | — | … |
| 2604:4d84::/30 | — | reserved | — | … |
| 2604:4d88::/29 | — | reserved | — | … |
| 2604:4d90::/28 | — | available | — | … |
| 2604:4da0::/27 | — | available | — | … |
| 2604:4dc1::/32 | — | reserved | — | … |
| 2604:4dc2::/31 | — | reserved | — | … |
| 2604:4dc4::/30 | — | reserved | — | … |
| 2604:4dc8::/29 | — | reserved | — | … |
| 2604:4dd0::/28 | — | available | — | … |
| 2604:4de0::/27 | — | available | — | … |
| 2604:4e01::/32 | — | reserved | — | … |
| 2604:4e02::/31 | — | reserved | — | … |
| 2604:4e04::/30 | — | reserved | — | … |
| 2604:4e08::/29 | — | reserved | — | … |
| 2604:4e10::/28 | — | available | — | … |
| 2604:4e20::/27 | — | available | — | … |
| 2604:4e41::/32 | — | reserved | — | … |
| 2604:4e42::/31 | — | reserved | — | … |
| 2604:4e44::/30 | — | reserved | — | … |
| 2604:4e48::/29 | — | reserved | — | … |
| 2604:4e50::/28 | — | available | — | … |
| 2604:4e60::/27 | — | available | — | … |
| 2604:4e81::/32 | — | reserved | — | … |
| 2604:4e82::/31 | — | reserved | — | … |
| 2604:4e84::/30 | — | reserved | — | … |
| 2604:4e88::/29 | — | reserved | — | … |
| 2604:4e90::/28 | — | available | — | … |