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
1,639,263,232
📦
IPv4 networks
76,743
delegated blocks
🧭
IPv6 networks
11,453
delegated blocks
🔗
Autonomous systems
34,133
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2602:81b:9400::/38 | — | available | — | … |
| 2602:81b:9800::/37 | — | available | — | … |
| 2602:81b:a010::/44 | — | reserved | — | … |
| 2602:81b:a020::/43 | — | reserved | — | … |
| 2602:81b:a040::/42 | — | reserved | — | … |
| 2602:81b:a080::/41 | — | reserved | — | … |
| 2602:81b:a100::/40 | — | available | — | … |
| 2602:81b:a200::/39 | — | available | — | … |
| 2602:81b:a400::/38 | — | available | — | … |
| 2602:81b:a800::/37 | — | available | — | … |
| 2602:81b:b100::/40 | — | reserved | — | … |
| 2602:81b:b200::/39 | — | reserved | — | … |
| 2602:81b:b400::/38 | — | reserved | — | … |
| 2602:81b:b800::/37 | — | reserved | — | … |
| 2602:81b:c010::/44 | — | reserved | — | … |
| 2602:81b:c020::/43 | — | reserved | — | … |
| 2602:81b:c040::/42 | — | reserved | — | … |
| 2602:81b:c080::/41 | — | reserved | — | … |
| 2602:81b:c100::/40 | — | available | — | … |
| 2602:81b:c200::/39 | — | available | — | … |
| 2602:81b:c400::/38 | — | available | — | … |
| 2602:81b:c800::/37 | — | available | — | … |
| 2602:81b:d100::/40 | — | reserved | — | … |
| 2602:81b:d200::/39 | — | reserved | — | … |
| 2602:81b:d400::/38 | — | reserved | — | … |
| 2602:81b:d800::/37 | — | reserved | — | … |
| 2602:81b:e100::/40 | — | reserved | — | … |
| 2602:81b:e200::/39 | — | reserved | — | … |
| 2602:81b:e400::/38 | — | reserved | — | … |
| 2602:81b:e800::/37 | — | reserved | — | … |
| 2602:81b:f100::/40 | — | reserved | — | … |
| 2602:81b:f200::/39 | — | reserved | — | … |
| 2602:81b:f400::/38 | — | reserved | — | … |
| 2602:81b:f800::/37 | — | reserved | — | … |
| 2602:81c:10::/44 | — | reserved | — | … |
| 2602:81c:20::/43 | — | reserved | — | … |
| 2602:81c:40::/42 | — | reserved | — | … |
| 2602:81c:80::/41 | — | reserved | — | … |
| 2602:81c:100::/40 | — | available | — | … |
| 2602:81c:200::/39 | — | available | — | … |
| 2602:81c:400::/38 | — | available | — | … |
| 2602:81c:800::/37 | — | available | — | … |
| 2602:81c:2010::/44 | — | reserved | — | … |
| 2602:81c:2020::/43 | — | reserved | — | … |
| 2602:81c:2040::/42 | — | reserved | — | … |
| 2602:81c:2080::/41 | — | reserved | — | … |
| 2602:81c:2100::/40 | — | available | — | … |
| 2602:81c:2200::/39 | — | available | — | … |
| 2602:81c:2400::/38 | — | available | — | … |
| 2602:81c:2800::/37 | — | available | — | … |
| 2602:81c:3010::/44 | — | reserved | — | … |
| 2602:81c:3020::/43 | — | reserved | — | … |
| 2602:81c:3040::/42 | — | reserved | — | … |
| 2602:81c:3080::/41 | — | reserved | — | … |
| 2602:81c:3100::/40 | — | available | — | … |
| 2602:81c:3200::/39 | — | available | — | … |
| 2602:81c:3400::/38 | — | available | — | … |
| 2602:81c:3800::/37 | — | available | — | … |
| 2602:81c:4010::/44 | — | reserved | — | … |
| 2602:81c:4020::/43 | — | reserved | — | … |
| 2602:81c:4040::/42 | — | reserved | — | … |
| 2602:81c:4080::/41 | — | reserved | — | … |
| 2602:81c:4100::/40 | — | available | — | … |
| 2602:81c:4200::/39 | — | available | — | … |
| 2602:81c:4400::/38 | — | available | — | … |
| 2602:81c:4800::/37 | — | available | — | … |
| 2602:81c:5010::/44 | — | reserved | — | … |
| 2602:81c:5020::/43 | — | reserved | — | … |
| 2602:81c:5040::/42 | — | reserved | — | … |
| 2602:81c:5080::/41 | — | reserved | — | … |
| 2602:81c:5100::/40 | — | available | — | … |
| 2602:81c:5200::/39 | — | available | — | … |
| 2602:81c:5400::/38 | — | available | — | … |
| 2602:81c:5800::/37 | — | available | — | … |
| 2602:81c:6010::/44 | — | reserved | — | … |
| 2602:81c:6020::/43 | — | reserved | — | … |
| 2602:81c:6040::/42 | — | reserved | — | … |
| 2602:81c:6080::/41 | — | reserved | — | … |
| 2602:81c:6100::/40 | — | available | — | … |
| 2602:81c:6200::/39 | — | available | — | … |
| 2602:81c:6400::/38 | — | available | — | … |
| 2602:81c:6800::/37 | — | available | — | … |
| 2602:81c:7100::/40 | — | reserved | — | … |
| 2602:81c:7200::/39 | — | reserved | — | … |
| 2602:81c:7400::/38 | — | reserved | — | … |
| 2602:81c:7800::/37 | — | reserved | — | … |
| 2602:81c:8010::/44 | — | reserved | — | … |
| 2602:81c:8020::/43 | — | reserved | — | … |
| 2602:81c:8040::/42 | — | reserved | — | … |
| 2602:81c:8080::/41 | — | reserved | — | … |
| 2602:81c:8100::/40 | — | available | — | … |
| 2602:81c:8200::/39 | — | available | — | … |
| 2602:81c:8400::/38 | — | available | — | … |
| 2602:81c:8800::/37 | — | available | — | … |
| 2602:81c:9010::/44 | — | reserved | — | … |
| 2602:81c:9020::/43 | — | reserved | — | … |
| 2602:81c:9040::/42 | — | reserved | — | … |
| 2602:81c:9080::/41 | — | reserved | — | … |
| 2602:81c:9100::/40 | — | available | — | … |
| 2602:81c:9200::/39 | — | available | — | … |