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 |
|---|---|---|---|---|
| 2604:3e02::/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 | — | … |
| 2604:3ec0::/26 | — | 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 | — | … |
| 2604:4081::/32 | — | reserved | — | … |
| 2604:4082::/31 | — | reserved | — | … |
| 2604:4084::/30 | — | reserved | — | … |
| 2604:4088::/29 | — | reserved | — | … |
| 2604:4090::/28 | — | available | — | … |
| 2604:40a0::/27 | — | available | — | … |
| 2604:40c0::/32 | — | reserved | — | … |
| 2604:40c1::/32 | — | reserved | — | … |
| 2604:40c2::/31 | — | reserved | — | … |
| 2604:40c4::/30 | — | reserved | — | … |
| 2604:40c8::/29 | — | reserved | — | … |
| 2604:40d0::/28 | — | available | — | … |
| 2604:40e0::/27 | — | available | — | … |
| 2604:4100:1000::/36 | — | reserved | — | … |
| 2604:4100:2000::/35 | — | reserved | — | … |
| 2604:4100:4000::/34 | — | reserved | — | … |
| 2604:4100:8000::/33 | — | reserved | — | … |
| 2604:4101::/32 | — | reserved | — | … |
| 2604:4102::/31 | — | reserved | — | … |
| 2604:4104::/30 | — | reserved | — | … |
| 2604:4108::/29 | — | reserved | — | … |
| 2604:4110::/28 | — | available | — | … |
| 2604:4120::/27 | — | available | — | … |
| 2604:4141::/32 | — | reserved | — | … |
| 2604:4142::/31 | — | reserved | — | … |
| 2604:4144::/30 | — | reserved | — | … |
| 2604:4148::/29 | — | reserved | — | … |
| 2604:4150::/28 | — | available | — | … |
| 2604:4160::/27 | — | available | — | … |
| 2604:4181::/32 | — | reserved | — | … |
| 2604:4182::/31 | — | reserved | — | … |
| 2604:4184::/30 | — | reserved | — | … |
| 2604:4188::/29 | — | reserved | — | … |
| 2604:4190::/28 | — | available | — | … |
| 2604:41a0::/27 | — | available | — | … |
| 2604:41c1::/32 | — | reserved | — | … |
| 2604:41c2::/31 | — | reserved | — | … |
| 2604:41c4::/30 | — | reserved | — | … |
| 2604:41c8::/29 | — | reserved | — | … |
| 2604:41d0::/28 | — | available | — | … |
| 2604:41e0::/27 | — | available | — | … |
| 2604:4201::/32 | — | reserved | — | … |