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
76,687
delegated blocks
🧭
IPv6 networks
11,336
delegated blocks
🔗
Autonomous systems
34,032
ASNs
// browse the objects
Browse the ARIN registry
| Prefix | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| 2001:500:4800::/37 | — | available | — | … |
| 2001:500:5000::/36 | — | available | — | … |
| 2001:500:6000::/36 | — | available | — | … |
| 2001:500:7000::/37 | — | available | — | … |
| 2001:500:7800::/40 | — | available | — | … |
| 2001:500:7900::/42 | — | available | — | … |
| 2001:500:7940::/43 | — | available | — | … |
| 2001:500:7960::/46 | — | available | — | … |
| 2001:500:7964::/47 | — | available | — | … |
| 2001:500:7966::/48 | — | available | — | … |
| 2001:500:7968::/45 | — | available | — | … |
| 2001:500:7970::/44 | — | available | — | … |
| 2001:500:7980::/41 | — | available | — | … |
| 2001:500:7a00::/39 | — | available | — | … |
| 2001:500:7c00::/38 | — | available | — | … |
| 2001:500:8000::/38 | — | available | — | … |
| 2001:500:8400::/40 | — | available | — | … |
| 2001:500:8500::/42 | — | available | — | … |
| 2001:500:8540::/43 | — | available | — | … |
| 2001:500:8560::/45 | — | available | — | … |
| 2001:500:8568::/46 | — | available | — | … |
| 2001:500:856c::/47 | — | available | — | … |
| 2001:500:856f::/48 | — | available | — | … |
| 2001:500:8570::/44 | — | available | — | … |
| 2001:500:8580::/41 | — | available | — | … |
| 2001:500:8600::/39 | — | available | — | … |
| 2001:500:8800::/37 | — | available | — | … |
| 2001:500:9000::/36 | — | available | — | … |
| 2001:500:a000::/35 | — | available | — | … |
| 2001:500:c000::/36 | — | available | — | … |
| 2001:500:d000::/37 | — | available | — | … |
| 2001:500:d800::/40 | — | available | — | … |
| 2001:500:d900::/43 | — | available | — | … |
| 2001:500:d920::/44 | — | available | — | … |
| 2001:500:d930::/46 | — | available | — | … |
| 2001:500:d934::/47 | — | available | — | … |
| 2001:500:d936::/48 | — | available | — | … |
| 2001:500:d938::/45 | — | available | — | … |
| 2001:500:d940::/42 | — | available | — | … |
| 2001:500:d980::/41 | — | available | — | … |
| 2001:500:da00::/39 | — | available | — | … |
| 2001:500:dc00::/38 | — | available | — | … |
| 2001:500:e000::/37 | — | available | — | … |
| 2001:500:e800::/38 | — | available | — | … |
| 2001:500:ec00::/40 | — | available | — | … |
| 2001:500:ed00::/43 | — | available | — | … |
| 2001:500:ed20::/44 | — | available | — | … |
| 2001:500:ed31::/48 | — | available | — | … |
| 2001:500:ed32::/47 | — | available | — | … |
| 2001:500:ed34::/46 | — | available | — | … |
| 2001:500:ed38::/45 | — | available | — | … |
| 2001:500:ed40::/42 | — | available | — | … |
| 2001:500:ed80::/41 | — | available | — | … |
| 2001:500:ee00::/39 | — | available | — | … |
| 2001:500:f000::/36 | — | available | — | … |
| 2001:501::/39 | — | available | — | … |
| 2001:501:200::/44 | — | available | — | … |
| 2001:501:211::/48 | — | available | — | … |
| 2001:501:212::/47 | — | available | — | … |
| 2001:501:214::/46 | — | available | — | … |
| 2001:501:218::/45 | — | available | — | … |
| 2001:501:220::/43 | — | available | — | … |
| 2001:501:240::/42 | — | available | — | … |
| 2001:501:280::/41 | — | available | — | … |
| 2001:501:300::/40 | — | available | — | … |
| 2001:501:400::/38 | — | available | — | … |
| 2001:501:800::/37 | — | available | — | … |
| 2001:501:1000::/36 | — | available | — | … |
| 2001:501:2000::/35 | — | available | — | … |
| 2001:501:4000::/34 | — | available | — | … |
| 2001:501:8000::/37 | — | available | — | … |
| 2001:501:8800::/39 | — | available | — | … |
| 2001:501:8a00::/43 | — | available | — | … |
| 2001:501:8a20::/45 | — | available | — | … |
| 2001:501:8a28::/48 | — | available | — | … |
| 2001:501:8a2a::/47 | — | available | — | … |
| 2001:501:8a2c::/46 | — | available | — | … |
| 2001:501:8a30::/44 | — | available | — | … |
| 2001:501:8a40::/42 | — | available | — | … |
| 2001:501:8a80::/41 | — | available | — | … |
| 2001:501:8b00::/40 | — | available | — | … |
| 2001:501:8c00::/38 | — | available | — | … |
| 2001:501:9000::/38 | — | available | — | … |
| 2001:501:9400::/39 | — | available | — | … |
| 2001:501:9600::/40 | — | available | — | … |
| 2001:501:9700::/43 | — | available | — | … |
| 2001:501:9720::/44 | — | available | — | … |
| 2001:501:9730::/45 | — | available | — | … |
| 2001:501:9738::/46 | — | available | — | … |
| 2001:501:973d::/48 | — | available | — | … |
| 2001:501:973e::/47 | — | available | — | … |
| 2001:501:9740::/42 | — | available | — | … |
| 2001:501:9780::/41 | — | available | — | … |
| 2001:501:9800::/37 | — | available | — | … |
| 2001:501:a000::/36 | — | available | — | … |
| 2001:501:b000::/40 | — | available | — | … |
| 2001:501:b100::/41 | — | available | — | … |
| 2001:501:b180::/42 | — | available | — | … |
| 2001:501:b1c0::/43 | — | available | — | … |
| 2001:501:b1e0::/44 | — | available | — | … |