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
1,645,629,696
📦
IPv4 networks
76,708
delegated blocks
🧭
IPv6 networks
11,353
delegated blocks
🔗
Autonomous systems
34,059
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2620:50:c200::/39 | — | available | — | … |
| 2620:50:c400::/38 | — | available | — | … |
| 2620:50:c800::/37 | — | available | — | … |
| 2620:50:d000::/36 | — | available | — | … |
| 2620:50:e000::/35 | — | available | — | … |
| 2620:51:1::/48 | — | reserved | — | … |
| 2620:51:2::/47 | — | reserved | — | … |
| 2620:51:4::/46 | — | reserved | — | … |
| 2620:51:8::/45 | — | reserved | — | … |
| 2620:51:10::/44 | — | available | — | … |
| 2620:51:20::/43 | — | available | — | … |
| 2620:51:40::/42 | — | available | — | … |
| 2620:51:80::/41 | — | available | — | … |
| 2620:51:100::/40 | — | available | — | … |
| 2620:51:200::/39 | — | available | — | … |
| 2620:51:400::/38 | — | available | — | … |
| 2620:51:800::/37 | — | available | — | … |
| 2620:51:1000::/36 | — | available | — | … |
| 2620:51:2001::/48 | — | reserved | — | … |
| 2620:51:2002::/47 | — | reserved | — | … |
| 2620:51:2004::/46 | — | reserved | — | … |
| 2620:51:2008::/45 | — | reserved | — | … |
| 2620:51:2010::/44 | — | available | — | … |
| 2620:51:2020::/43 | — | available | — | … |
| 2620:51:2040::/42 | — | available | — | … |
| 2620:51:2080::/41 | — | available | — | … |
| 2620:51:2100::/40 | — | available | — | … |
| 2620:51:2200::/39 | — | available | — | … |
| 2620:51:2400::/38 | — | available | — | … |
| 2620:51:2800::/37 | — | available | — | … |
| 2620:51:3000::/36 | — | available | — | … |
| 2620:51:4001::/48 | — | reserved | — | … |
| 2620:51:4002::/47 | — | reserved | — | … |
| 2620:51:4004::/46 | — | reserved | — | … |
| 2620:51:4008::/45 | — | reserved | — | … |
| 2620:51:4010::/44 | — | available | — | … |
| 2620:51:4020::/43 | — | available | — | … |
| 2620:51:4040::/42 | — | available | — | … |
| 2620:51:4080::/41 | — | available | — | … |
| 2620:51:4100::/40 | — | available | — | … |
| 2620:51:4200::/39 | — | available | — | … |
| 2620:51:4400::/38 | — | available | — | … |
| 2620:51:4800::/37 | — | available | — | … |
| 2620:51:5000::/36 | — | available | — | … |
| 2620:51:6001::/48 | — | reserved | — | … |
| 2620:51:6002::/47 | — | reserved | — | … |
| 2620:51:6004::/46 | — | reserved | — | … |
| 2620:51:6008::/45 | — | reserved | — | … |
| 2620:51:6010::/44 | — | available | — | … |
| 2620:51:6020::/43 | — | available | — | … |
| 2620:51:6040::/42 | — | available | — | … |
| 2620:51:6080::/41 | — | available | — | … |
| 2620:51:6100::/40 | — | available | — | … |
| 2620:51:6200::/39 | — | available | — | … |
| 2620:51:6400::/38 | — | available | — | … |
| 2620:51:6800::/37 | — | available | — | … |
| 2620:51:7000::/36 | — | available | — | … |
| 2620:51:8001::/48 | — | reserved | — | … |
| 2620:51:8002::/47 | — | reserved | — | … |
| 2620:51:8004::/46 | — | reserved | — | … |
| 2620:51:8008::/45 | — | reserved | — | … |
| 2620:51:8010::/44 | — | available | — | … |
| 2620:51:8020::/43 | — | available | — | … |
| 2620:51:8040::/42 | — | available | — | … |
| 2620:51:8080::/41 | — | available | — | … |
| 2620:51:8100::/40 | — | available | — | … |
| 2620:51:8200::/39 | — | available | — | … |
| 2620:51:8400::/38 | — | available | — | … |
| 2620:51:8800::/37 | — | available | — | … |
| 2620:51:9000::/36 | — | available | — | … |
| 2620:51:a001::/48 | — | reserved | — | … |
| 2620:51:a002::/47 | — | reserved | — | … |
| 2620:51:a004::/46 | — | reserved | — | … |
| 2620:51:a008::/45 | — | reserved | — | … |
| 2620:51:a010::/44 | — | available | — | … |
| 2620:51:a020::/43 | — | available | — | … |
| 2620:51:a040::/42 | — | available | — | … |
| 2620:51:a080::/41 | — | available | — | … |
| 2620:51:a100::/40 | — | available | — | … |
| 2620:51:a200::/39 | — | available | — | … |
| 2620:51:a400::/38 | — | available | — | … |
| 2620:51:a800::/37 | — | available | — | … |
| 2620:51:b000::/36 | — | available | — | … |
| 2620:51:c001::/48 | — | reserved | — | … |
| 2620:51:c002::/47 | — | reserved | — | … |
| 2620:51:c004::/46 | — | reserved | — | … |
| 2620:51:c008::/45 | — | reserved | — | … |
| 2620:51:c010::/44 | — | available | — | … |
| 2620:51:c020::/43 | — | available | — | … |
| 2620:51:c040::/42 | — | available | — | … |
| 2620:51:c080::/41 | — | available | — | … |
| 2620:51:c100::/40 | — | available | — | … |
| 2620:51:c200::/39 | — | available | — | … |
| 2620:51:c400::/38 | — | available | — | … |
| 2620:51:c800::/37 | — | available | — | … |
| 2620:51:d000::/36 | — | available | — | … |
| 2620:51:e001::/48 | — | reserved | — | … |
| 2620:51:e002::/47 | — | reserved | — | … |
| 2620:51:e004::/46 | — | reserved | — | … |
| 2620:51:e008::/45 | — | reserved | — | … |