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:be81::/32 | — | reserved | — | … |
| 2604:be82::/31 | — | reserved | — | … |
| 2604:be84::/30 | — | reserved | — | … |
| 2604:be88::/29 | — | reserved | — | … |
| 2604:be90::/28 | — | available | — | … |
| 2604:bea0::/27 | — | available | — | … |
| 2604:bec1::/32 | — | reserved | — | … |
| 2604:bec2::/31 | — | reserved | — | … |
| 2604:bec4::/30 | — | reserved | — | … |
| 2604:bec8::/29 | — | reserved | — | … |
| 2604:bed0::/28 | — | available | — | … |
| 2604:bee0::/27 | — | available | — | … |
| 2604:bf01::/32 | — | reserved | — | … |
| 2604:bf02::/31 | — | reserved | — | … |
| 2604:bf04::/30 | — | reserved | — | … |
| 2604:bf08::/29 | — | reserved | — | … |
| 2604:bf10::/28 | — | available | — | … |
| 2604:bf20::/27 | — | available | — | … |
| 2604:bf40::/26 | — | available | — | … |
| 2604:bf81::/32 | — | reserved | — | … |
| 2604:bf82::/31 | — | reserved | — | … |
| 2604:bf84::/30 | — | reserved | — | … |
| 2604:bf88::/29 | — | reserved | — | … |
| 2604:bf90::/28 | — | available | — | … |
| 2604:bfa0::/27 | — | available | — | … |
| 2604:bfc1::/32 | — | reserved | — | … |
| 2604:bfc2::/31 | — | reserved | — | … |
| 2604:bfc4::/30 | — | reserved | — | … |
| 2604:bfc8::/29 | — | reserved | — | … |
| 2604:bfd0::/28 | — | available | — | … |
| 2604:bfe0::/27 | — | available | — | … |
| 2604:c001::/32 | — | reserved | — | … |
| 2604:c002::/31 | — | reserved | — | … |
| 2604:c004::/30 | — | reserved | — | … |
| 2604:c008::/29 | — | reserved | — | … |
| 2604:c010::/28 | — | available | — | … |
| 2604:c020::/27 | — | available | — | … |
| 2604:c041::/32 | — | reserved | — | … |
| 2604:c042::/31 | — | reserved | — | … |
| 2604:c044::/30 | — | reserved | — | … |
| 2604:c048::/29 | — | reserved | — | … |
| 2604:c050::/28 | — | available | — | … |
| 2604:c060::/27 | — | available | — | … |
| 2604:c081::/32 | — | reserved | — | … |
| 2604:c082::/31 | — | reserved | — | … |
| 2604:c084::/30 | — | reserved | — | … |
| 2604:c088::/29 | — | reserved | — | … |
| 2604:c090::/28 | — | available | — | … |
| 2604:c0a0::/27 | — | available | — | … |
| 2604:c0c1::/32 | — | reserved | — | … |
| 2604:c0c2::/31 | — | reserved | — | … |
| 2604:c0c4::/30 | — | reserved | — | … |
| 2604:c0c8::/29 | — | reserved | — | … |
| 2604:c0d0::/28 | — | available | — | … |
| 2604:c0e0::/27 | — | available | — | … |
| 2604:c101::/32 | — | reserved | — | … |
| 2604:c102::/31 | — | reserved | — | … |
| 2604:c104::/30 | — | reserved | — | … |
| 2604:c108::/29 | — | reserved | — | … |
| 2604:c110::/28 | — | available | — | … |
| 2604:c120::/27 | — | available | — | … |
| 2604:c141::/32 | — | reserved | — | … |
| 2604:c142::/31 | — | reserved | — | … |
| 2604:c144::/30 | — | reserved | — | … |
| 2604:c148::/29 | — | reserved | — | … |
| 2604:c150::/28 | — | available | — | … |
| 2604:c160::/27 | — | available | — | … |
| 2604:c181::/32 | — | reserved | — | … |
| 2604:c182::/31 | — | reserved | — | … |
| 2604:c184::/30 | — | reserved | — | … |
| 2604:c188::/29 | — | reserved | — | … |
| 2604:c190::/28 | — | available | — | … |
| 2604:c1a0::/27 | — | available | — | … |
| 2604:c1c1::/32 | — | reserved | — | … |
| 2604:c1c2::/31 | — | reserved | — | … |
| 2604:c1c4::/30 | — | reserved | — | … |
| 2604:c1c8::/29 | — | reserved | — | … |
| 2604:c1d0::/28 | — | available | — | … |
| 2604:c1e0::/27 | — | available | — | … |
| 2604:c201::/32 | — | reserved | — | … |
| 2604:c202::/31 | — | reserved | — | … |
| 2604:c204::/30 | — | reserved | — | … |
| 2604:c208::/29 | — | reserved | — | … |
| 2604:c210::/28 | — | available | — | … |
| 2604:c220::/27 | — | available | — | … |
| 2604:c241::/32 | — | reserved | — | … |
| 2604:c242::/31 | — | reserved | — | … |
| 2604:c244::/30 | — | reserved | — | … |
| 2604:c248::/29 | — | reserved | — | … |
| 2604:c250::/28 | — | available | — | … |
| 2604:c260::/27 | — | available | — | … |
| 2604:c280::/26 | — | available | — | … |
| 2604:c2c1::/32 | — | reserved | — | … |
| 2604:c2c2::/31 | — | reserved | — | … |
| 2604:c2c4::/30 | — | reserved | — | … |
| 2604:c2c8::/29 | — | reserved | — | … |
| 2604:c2d0::/28 | — | available | — | … |
| 2604:c2e0::/27 | — | available | — | … |
| 2604:c301::/32 | — | reserved | — | … |
| 2604:c302::/31 | — | reserved | — | … |