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
1,645,629,184
📦
IPv4 networks
76,691
delegated blocks
🧭
IPv6 networks
11,348
delegated blocks
🔗
Autonomous systems
34,039
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2631:3200::/23 | — | reserved | — | … |
| 2631:3400::/22 | — | reserved | — | … |
| 2631:3800::/21 | — | reserved | — | … |
| 2631:4100::/24 | — | reserved | — | … |
| 2631:4200::/23 | — | reserved | — | … |
| 2631:4400::/22 | — | reserved | — | … |
| 2631:4800::/21 | — | reserved | — | … |
| 2631:5010::/28 | — | reserved | — | … |
| 2631:5020::/27 | — | reserved | — | … |
| 2631:5040::/26 | — | reserved | — | … |
| 2631:5080::/25 | — | reserved | — | … |
| 2631:5100::/24 | — | available | — | … |
| 2631:5200::/23 | — | available | — | … |
| 2631:5400::/22 | — | available | — | … |
| 2631:5800::/21 | — | available | — | … |
| 2631:6010::/28 | — | reserved | — | … |
| 2631:6020::/27 | — | reserved | — | … |
| 2631:6040::/26 | — | reserved | — | … |
| 2631:6080::/25 | — | reserved | — | … |
| 2631:6100::/24 | — | available | — | … |
| 2631:6200::/23 | — | available | — | … |
| 2631:6400::/22 | — | available | — | … |
| 2631:6800::/21 | — | available | — | … |
| 2631:7010::/28 | — | reserved | — | … |
| 2631:7020::/27 | — | reserved | — | … |
| 2631:7040::/26 | — | reserved | — | … |
| 2631:7080::/25 | — | reserved | — | … |
| 2631:7100::/24 | — | available | — | … |
| 2631:7200::/23 | — | available | — | … |
| 2631:7400::/22 | — | available | — | … |
| 2631:7800::/21 | — | available | — | … |
| 2631:8100::/24 | — | reserved | — | … |
| 2631:8200::/23 | — | reserved | — | … |
| 2631:8400::/22 | — | reserved | — | … |
| 2631:8800::/21 | — | reserved | — | … |
| 2631:9100::/24 | — | reserved | — | … |
| 2631:9200::/23 | — | reserved | — | … |
| 2631:9400::/22 | — | reserved | — | … |
| 2631:9800::/21 | — | reserved | — | … |
| 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 | — | … |