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
1,644,584,448
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,472
delegated blocks
🔗
Autonomous systems
34,179
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2604:cb88::/29 | — | reserved | — | … |
| 2604:cb90::/28 | — | available | — | … |
| 2604:cba0::/27 | — | available | — | … |
| 2604:cbc1::/32 | — | reserved | — | … |
| 2604:cbc2::/31 | — | reserved | — | … |
| 2604:cbc4::/30 | — | reserved | — | … |
| 2604:cbc8::/29 | — | reserved | — | … |
| 2604:cbd0::/28 | — | available | — | … |
| 2604:cbe0::/27 | — | available | — | … |
| 2604:cc01::/32 | — | reserved | — | … |
| 2604:cc02::/31 | — | reserved | — | … |
| 2604:cc04::/30 | — | reserved | — | … |
| 2604:cc08::/29 | — | reserved | — | … |
| 2604:cc10::/28 | — | available | — | … |
| 2604:cc20::/27 | — | available | — | … |
| 2604:cc41::/32 | — | reserved | — | … |
| 2604:cc42::/31 | — | reserved | — | … |
| 2604:cc44::/30 | — | reserved | — | … |
| 2604:cc48::/29 | — | reserved | — | … |
| 2604:cc50::/28 | — | available | — | … |
| 2604:cc60::/27 | — | available | — | … |
| 2604:cc81::/32 | — | reserved | — | … |
| 2604:cc82::/31 | — | reserved | — | … |
| 2604:cc84::/30 | — | reserved | — | … |
| 2604:cc88::/29 | — | reserved | — | … |
| 2604:cc90::/28 | — | available | — | … |
| 2604:cca0::/27 | — | available | — | … |
| 2604:ccc1::/32 | — | reserved | — | … |
| 2604:ccc2::/31 | — | reserved | — | … |
| 2604:ccc4::/30 | — | reserved | — | … |
| 2604:ccc8::/29 | — | reserved | — | … |
| 2604:ccd0::/28 | — | available | — | … |
| 2604:cce0::/27 | — | available | — | … |
| 2604:cd01::/32 | — | reserved | — | … |
| 2604:cd02::/31 | — | reserved | — | … |
| 2604:cd04::/30 | — | reserved | — | … |
| 2604:cd08::/29 | — | reserved | — | … |
| 2604:cd10::/28 | — | available | — | … |
| 2604:cd20::/27 | — | available | — | … |
| 2604:cd41::/32 | — | reserved | — | … |
| 2604:cd42::/31 | — | reserved | — | … |
| 2604:cd44::/30 | — | reserved | — | … |
| 2604:cd48::/29 | — | reserved | — | … |
| 2604:cd50::/28 | — | available | — | … |
| 2604:cd60::/27 | — | available | — | … |
| 2604:cd81::/32 | — | reserved | — | … |
| 2604:cd82::/31 | — | reserved | — | … |
| 2604:cd84::/30 | — | reserved | — | … |
| 2604:cd88::/29 | — | reserved | — | … |
| 2604:cd90::/28 | — | available | — | … |
| 2604:cda0::/27 | — | available | — | … |
| 2604:cdc0::/32 | — | reserved | — | … |
| 2604:cdc1::/32 | — | reserved | — | … |
| 2604:cdc2::/31 | — | reserved | — | … |
| 2604:cdc4::/30 | — | reserved | — | … |
| 2604:cdc8::/29 | — | reserved | — | … |
| 2604:cdd0::/28 | — | available | — | … |
| 2604:cde0::/27 | — | available | — | … |
| 2604:ce01::/32 | — | reserved | — | … |
| 2604:ce02::/31 | — | reserved | — | … |
| 2604:ce04::/30 | — | reserved | — | … |
| 2604:ce08::/29 | — | reserved | — | … |
| 2604:ce10::/28 | — | available | — | … |
| 2604:ce20::/27 | — | available | — | … |
| 2604:ce41::/32 | — | reserved | — | … |
| 2604:ce42::/31 | — | reserved | — | … |
| 2604:ce44::/30 | — | reserved | — | … |
| 2604:ce48::/29 | — | reserved | — | … |
| 2604:ce50::/28 | — | available | — | … |
| 2604:ce60::/27 | — | available | — | … |
| 2604:ce81::/32 | — | reserved | — | … |
| 2604:ce82::/31 | — | reserved | — | … |
| 2604:ce84::/30 | — | reserved | — | … |
| 2604:ce88::/29 | — | reserved | — | … |
| 2604:ce90::/28 | — | available | — | … |
| 2604:cea0::/27 | — | available | — | … |
| 2604:cec1::/32 | — | reserved | — | … |
| 2604:cec2::/31 | — | reserved | — | … |
| 2604:cec4::/30 | — | reserved | — | … |
| 2604:cec8::/29 | — | reserved | — | … |
| 2604:ced0::/28 | — | available | — | … |
| 2604:cee0::/27 | — | available | — | … |
| 2604:cf01::/32 | — | reserved | — | … |
| 2604:cf02::/31 | — | reserved | — | … |
| 2604:cf04::/30 | — | reserved | — | … |
| 2604:cf08::/29 | — | reserved | — | … |
| 2604:cf10::/28 | — | available | — | … |
| 2604:cf20::/27 | — | available | — | … |
| 2604:cf41::/32 | — | reserved | — | … |
| 2604:cf42::/31 | — | reserved | — | … |
| 2604:cf44::/30 | — | reserved | — | … |
| 2604:cf48::/29 | — | reserved | — | … |
| 2604:cf50::/28 | — | available | — | … |
| 2604:cf60::/27 | — | available | — | … |
| 2604:cf81::/32 | — | reserved | — | … |
| 2604:cf82::/31 | — | reserved | — | … |
| 2604:cf84::/30 | — | reserved | — | … |
| 2604:cf88::/29 | — | reserved | — | … |
| 2604:cf90::/28 | — | available | — | … |
| 2604:cfa0::/27 | — | available | — | … |