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
1,645,628,928
📦
IPv4 networks
76,700
delegated blocks
🧭
IPv6 networks
11,350
delegated blocks
🔗
Autonomous systems
34,051
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 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 | — | … |
| 2602:81c:9400::/38 | — | available | — | … |
| 2602:81c:9800::/37 | — | available | — | … |
| 2602:81c:a010::/44 | — | reserved | — | … |
| 2602:81c:a020::/43 | — | reserved | — | … |
| 2602:81c:a040::/42 | — | reserved | — | … |
| 2602:81c:a080::/41 | — | reserved | — | … |
| 2602:81c:a100::/40 | — | available | — | … |
| 2602:81c:a200::/39 | — | available | — | … |
| 2602:81c:a400::/38 | — | available | — | … |
| 2602:81c:a800::/37 | — | available | — | … |
| 2602:81c:b010::/44 | — | reserved | — | … |
| 2602:81c:b020::/43 | — | reserved | — | … |
| 2602:81c:b040::/42 | — | reserved | — | … |
| 2602:81c:b080::/41 | — | reserved | — | … |
| 2602:81c:b100::/40 | — | available | — | … |
| 2602:81c:b200::/39 | — | available | — | … |
| 2602:81c:b400::/38 | — | available | — | … |
| 2602:81c:b800::/37 | — | available | — | … |
| 2602:81c:c100::/40 | — | reserved | — | … |
| 2602:81c:c200::/39 | — | reserved | — | … |
| 2602:81c:c400::/38 | — | reserved | — | … |
| 2602:81c:c800::/37 | — | reserved | — | … |
| 2602:81c:d100::/40 | — | reserved | — | … |
| 2602:81c:d200::/39 | — | reserved | — | … |
| 2602:81c:d400::/38 | — | reserved | — | … |
| 2602:81c:d800::/37 | — | reserved | — | … |
| 2602:81c:e010::/44 | — | reserved | — | … |
| 2602:81c:e020::/43 | — | reserved | — | … |
| 2602:81c:e040::/42 | — | reserved | — | … |
| 2602:81c:e080::/41 | — | reserved | — | … |
| 2602:81c:e100::/40 | — | available | — | … |
| 2602:81c:e200::/39 | — | available | — | … |
| 2602:81c:e400::/38 | — | available | — | … |
| 2602:81c:e800::/37 | — | available | — | … |
| 2602:81c:f010::/44 | — | reserved | — | … |
| 2602:81c:f020::/43 | — | reserved | — | … |
| 2602:81c:f040::/42 | — | reserved | — | … |
| 2602:81c:f080::/41 | — | reserved | — | … |
| 2602:81c:f100::/40 | — | available | — | … |
| 2602:81c:f200::/39 | — | available | — | … |
| 2602:81c:f400::/38 | — | available | — | … |
| 2602:81c:f800::/37 | — | available | — | … |
| 2602:81d:10::/44 | — | reserved | — | … |
| 2602:81d:20::/43 | — | reserved | — | … |
| 2602:81d:40::/42 | — | reserved | — | … |
| 2602:81d:80::/41 | — | reserved | — | … |
| 2602:81d:100::/40 | — | available | — | … |
| 2602:81d:200::/39 | — | available | — | … |
| 2602:81d:400::/38 | — | available | — | … |
| 2602:81d:800::/37 | — | available | — | … |
| 2602:81d:1100::/40 | — | reserved | — | … |
| 2602:81d:1200::/39 | — | reserved | — | … |
| 2602:81d:1400::/38 | — | reserved | — | … |
| 2602:81d:1800::/37 | — | reserved | — | … |
| 2602:81d:2100::/40 | — | reserved | — | … |
| 2602:81d:2200::/39 | — | reserved | — | … |
| 2602:81d:2400::/38 | — | reserved | — | … |
| 2602:81d:2800::/37 | — | reserved | — | … |
| 2602:81d:3010::/44 | — | reserved | — | … |
| 2602:81d:3020::/43 | — | reserved | — | … |
| 2602:81d:3040::/42 | — | reserved | — | … |
| 2602:81d:3080::/41 | — | reserved | — | … |
| 2602:81d:3100::/40 | — | available | — | … |
| 2602:81d:3200::/39 | — | available | — | … |
| 2602:81d:3400::/38 | — | available | — | … |
| 2602:81d:3800::/37 | — | available | — | … |
| 2602:81d:4100::/40 | — | reserved | — | … |
| 2602:81d:4200::/39 | — | reserved | — | … |