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 |
|---|---|---|---|---|
| 2604:3942::/31 | — | reserved | — | … |
| 2604:3944::/30 | — | reserved | — | … |
| 2604:3948::/29 | — | reserved | — | … |
| 2604:3950::/28 | — | available | — | … |
| 2604:3960::/27 | — | available | — | … |
| 2604:3980::/26 | — | available | — | … |
| 2604:39c1::/32 | — | reserved | — | … |
| 2604:39c2::/31 | — | reserved | — | … |
| 2604:39c4::/30 | — | reserved | — | … |
| 2604:39c8::/29 | — | reserved | — | … |
| 2604:39d0::/28 | — | available | — | … |
| 2604:39e0::/27 | — | available | — | … |
| 2604:3a01::/32 | — | reserved | — | … |
| 2604:3a02::/31 | — | reserved | — | … |
| 2604:3a04::/30 | — | reserved | — | … |
| 2604:3a08::/29 | — | reserved | — | … |
| 2604:3a10::/28 | — | available | — | … |
| 2604:3a20::/27 | — | available | — | … |
| 2604:3a40::/26 | — | available | — | … |
| 2604:3a81::/32 | — | reserved | — | … |
| 2604:3a82::/31 | — | reserved | — | … |
| 2604:3a84::/30 | — | reserved | — | … |
| 2604:3a88::/29 | — | reserved | — | … |
| 2604:3a90::/28 | — | available | — | … |
| 2604:3aa0::/27 | — | available | — | … |
| 2604:3ac1::/32 | — | reserved | — | … |
| 2604:3ac2::/31 | — | reserved | — | … |
| 2604:3ac4::/30 | — | reserved | — | … |
| 2604:3ac8::/29 | — | reserved | — | … |
| 2604:3ad0::/28 | — | available | — | … |
| 2604:3ae0::/27 | — | available | — | … |
| 2604:3b01::/32 | — | reserved | — | … |
| 2604:3b02::/31 | — | reserved | — | … |
| 2604:3b04::/30 | — | reserved | — | … |
| 2604:3b08::/29 | — | reserved | — | … |
| 2604:3b10::/28 | — | available | — | … |
| 2604:3b20::/27 | — | available | — | … |
| 2604:3b41::/32 | — | reserved | — | … |
| 2604:3b42::/31 | — | reserved | — | … |
| 2604:3b44::/30 | — | reserved | — | … |
| 2604:3b48::/29 | — | reserved | — | … |
| 2604:3b50::/28 | — | available | — | … |
| 2604:3b60::/27 | — | available | — | … |
| 2604:3b81::/32 | — | reserved | — | … |
| 2604:3b82::/31 | — | reserved | — | … |
| 2604:3b84::/30 | — | reserved | — | … |
| 2604:3b88::/29 | — | reserved | — | … |
| 2604:3b90::/28 | — | available | — | … |
| 2604:3ba0::/27 | — | available | — | … |
| 2604:3bc1::/32 | — | reserved | — | … |
| 2604:3bc2::/31 | — | reserved | — | … |
| 2604:3bc4::/30 | — | reserved | — | … |
| 2604:3bc8::/29 | — | reserved | — | … |
| 2604:3bd0::/28 | — | available | — | … |
| 2604:3be0::/27 | — | available | — | … |
| 2604:3c01::/32 | — | reserved | — | … |
| 2604:3c02::/31 | — | reserved | — | … |
| 2604:3c04::/30 | — | reserved | — | … |
| 2604:3c08::/29 | — | reserved | — | … |
| 2604:3c10::/28 | — | available | — | … |
| 2604:3c20::/27 | — | available | — | … |
| 2604:3c41::/32 | — | reserved | — | … |
| 2604:3c42::/31 | — | reserved | — | … |
| 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 | — | … |