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 |
|---|---|---|---|---|
| 2602:81a:8080::/41 | — | reserved | — | … |
| 2602:81a:8100::/40 | — | available | — | … |
| 2602:81a:8200::/39 | — | available | — | … |
| 2602:81a:8400::/38 | — | available | — | … |
| 2602:81a:8800::/37 | — | available | — | … |
| 2602:81a:9100::/40 | — | reserved | — | … |
| 2602:81a:9200::/39 | — | reserved | — | … |
| 2602:81a:9400::/38 | — | reserved | — | … |
| 2602:81a:9800::/37 | — | reserved | — | … |
| 2602:81a:a010::/44 | — | reserved | — | … |
| 2602:81a:a020::/43 | — | reserved | — | … |
| 2602:81a:a040::/42 | — | reserved | — | … |
| 2602:81a:a080::/41 | — | reserved | — | … |
| 2602:81a:a100::/40 | — | available | — | … |
| 2602:81a:a200::/39 | — | available | — | … |
| 2602:81a:a400::/38 | — | available | — | … |
| 2602:81a:a800::/37 | — | available | — | … |
| 2602:81a:b010::/44 | — | reserved | — | … |
| 2602:81a:b020::/43 | — | reserved | — | … |
| 2602:81a:b040::/42 | — | reserved | — | … |
| 2602:81a:b080::/41 | — | reserved | — | … |
| 2602:81a:b100::/40 | — | available | — | … |
| 2602:81a:b200::/39 | — | available | — | … |
| 2602:81a:b400::/38 | — | available | — | … |
| 2602:81a:b800::/37 | — | available | — | … |
| 2602:81a:c010::/44 | — | reserved | — | … |
| 2602:81a:c020::/43 | — | reserved | — | … |
| 2602:81a:c040::/42 | — | reserved | — | … |
| 2602:81a:c080::/41 | — | reserved | — | … |
| 2602:81a:c100::/40 | — | available | — | … |
| 2602:81a:c200::/39 | — | available | — | … |
| 2602:81a:c400::/38 | — | available | — | … |
| 2602:81a:c800::/37 | — | available | — | … |
| 2602:81a:d010::/44 | — | reserved | — | … |
| 2602:81a:d020::/43 | — | reserved | — | … |
| 2602:81a:d040::/42 | — | reserved | — | … |
| 2602:81a:d080::/41 | — | reserved | — | … |
| 2602:81a:d100::/40 | — | available | — | … |
| 2602:81a:d200::/39 | — | available | — | … |
| 2602:81a:d400::/38 | — | available | — | … |
| 2602:81a:d800::/37 | — | available | — | … |
| 2602:81a:e010::/44 | — | reserved | — | … |
| 2602:81a:e020::/43 | — | reserved | — | … |
| 2602:81a:e040::/42 | — | reserved | — | … |
| 2602:81a:e080::/41 | — | reserved | — | … |
| 2602:81a:e100::/40 | — | available | — | … |
| 2602:81a:e200::/39 | — | available | — | … |
| 2602:81a:e400::/38 | — | available | — | … |
| 2602:81a:e800::/37 | — | available | — | … |
| 2602:81a:f010::/44 | — | reserved | — | … |
| 2602:81a:f020::/43 | — | reserved | — | … |
| 2602:81a:f040::/42 | — | reserved | — | … |
| 2602:81a:f080::/41 | — | reserved | — | … |
| 2602:81a:f100::/40 | — | available | — | … |
| 2602:81a:f200::/39 | — | available | — | … |
| 2602:81a:f400::/38 | — | available | — | … |
| 2602:81a:f800::/37 | — | available | — | … |
| 2602:81b:100::/40 | — | reserved | — | … |
| 2602:81b:200::/39 | — | reserved | — | … |
| 2602:81b:400::/38 | — | reserved | — | … |
| 2602:81b:800::/37 | — | reserved | — | … |
| 2602:81b:1010::/44 | — | reserved | — | … |
| 2602:81b:1020::/43 | — | reserved | — | … |
| 2602:81b:1040::/42 | — | reserved | — | … |
| 2602:81b:1080::/41 | — | reserved | — | … |
| 2602:81b:1100::/40 | — | available | — | … |
| 2602:81b:1200::/39 | — | available | — | … |
| 2602:81b:1400::/38 | — | available | — | … |
| 2602:81b:1800::/37 | — | available | — | … |
| 2602:81b:2010::/44 | — | reserved | — | … |
| 2602:81b:2020::/43 | — | reserved | — | … |
| 2602:81b:2040::/42 | — | reserved | — | … |
| 2602:81b:2080::/41 | — | reserved | — | … |
| 2602:81b:2100::/40 | — | available | — | … |
| 2602:81b:2200::/39 | — | available | — | … |
| 2602:81b:2400::/38 | — | available | — | … |
| 2602:81b:2800::/37 | — | available | — | … |
| 2602:81b:3010::/44 | — | reserved | — | … |
| 2602:81b:3020::/43 | — | reserved | — | … |
| 2602:81b:3040::/42 | — | reserved | — | … |
| 2602:81b:3080::/41 | — | reserved | — | … |
| 2602:81b:3100::/40 | — | available | — | … |
| 2602:81b:3200::/39 | — | available | — | … |
| 2602:81b:3400::/38 | — | available | — | … |
| 2602:81b:3800::/37 | — | available | — | … |
| 2602:81b:4010::/44 | — | reserved | — | … |
| 2602:81b:4020::/43 | — | reserved | — | … |
| 2602:81b:4040::/42 | — | reserved | — | … |
| 2602:81b:4080::/41 | — | reserved | — | … |
| 2602:81b:4100::/40 | — | available | — | … |
| 2602:81b:4200::/39 | — | available | — | … |
| 2602:81b:4400::/38 | — | available | — | … |
| 2602:81b:4800::/37 | — | available | — | … |
| 2602:81b:5000::/44 | — | reserved | — | … |
| 2602:81b:5010::/44 | — | reserved | — | … |
| 2602:81b:5020::/43 | — | reserved | — | … |
| 2602:81b:5040::/42 | — | reserved | — | … |
| 2602:81b:5080::/41 | — | reserved | — | … |
| 2602:81b:5100::/40 | — | available | — | … |
| 2602:81b:5200::/39 | — | available | — | … |