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
1,644,590,848
📦
IPv4 networks
76,800
delegated blocks
🧭
IPv6 networks
11,469
delegated blocks
🔗
Autonomous systems
34,176
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2631:a100::/24 | — | reserved | — | … |
| 2631:a200::/23 | — | reserved | — | … |
| 2631:a400::/22 | — | reserved | — | … |
| 2631:a800::/21 | — | reserved | — | … |
| 2631:b000::/20 | — | available | — | … |
| 2631:c000::/18 | — | available | — | … |
| 2632:1000::/20 | — | reserved | — | … |
| 2632:2000::/19 | — | reserved | — | … |
| 2632:4000::/18 | — | reserved | — | … |
| 2632:8000::/17 | — | reserved | — | … |
| 2633::/16 | — | available | — | … |
| 2634::/14 | — | available | — | … |
| 2638::/13 | — | available | — | … |