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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
1,645,875,712
📦
IPv4 networks
76,665
delegated blocks
🧭
IPv6 networks
11,326
delegated blocks
🔗
Autonomous systems
34,014
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
PrefixCountryStatusAllocatedOrg handle
2620:12f:d200::/39 available
2620:12f:d400::/38 available
2620:12f:d800::/37 available
2620:12f:e100::/40 reserved
2620:12f:e200::/39 reserved
2620:12f:e400::/38 reserved
2620:12f:e800::/37 reserved
2620:12f:f010::/44 reserved
2620:12f:f020::/43 reserved
2620:12f:f040::/42 reserved
2620:12f:f080::/41 reserved
2620:12f:f100::/40 available
2620:12f:f200::/39 available
2620:12f:f400::/38 available
2620:12f:f800::/37 available
2620:130:10::/44 reserved
2620:130:20::/43 reserved
2620:130:40::/42 reserved
2620:130:80::/41 reserved
2620:130:100::/40 available
2620:130:200::/39 available
2620:130:400::/38 available
2620:130:800::/37 available
2620:130:1010::/44 reserved
2620:130:1020::/43 reserved
2620:130:1040::/42 reserved
2620:130:1080::/41 reserved
2620:130:1100::/40 available
2620:130:1200::/39 available
2620:130:1400::/38 available
2620:130:1800::/37 available
2620:130:2100::/40 reserved
2620:130:2200::/39 reserved
2620:130:2400::/38 reserved
2620:130:2800::/37 reserved
2620:130:3100::/40 reserved
2620:130:3200::/39 reserved
2620:130:3400::/38 reserved
2620:130:3800::/37 reserved
2620:130:4100::/40 reserved
2620:130:4200::/39 reserved
2620:130:4400::/38 reserved
2620:130:4800::/37 reserved
2620:130:5010::/44 reserved
2620:130:5020::/43 reserved
2620:130:5040::/42 reserved
2620:130:5080::/41 reserved
2620:130:5100::/40 available
2620:130:5200::/39 available
2620:130:5400::/38 available
2620:130:5800::/37 available
2620:130:6010::/44 reserved
2620:130:6020::/43 reserved
2620:130:6040::/42 reserved
2620:130:6080::/41 reserved
2620:130:6100::/40 available
2620:130:6200::/39 available
2620:130:6400::/38 available
2620:130:6800::/37 available
2620:130:7100::/40 reserved
2620:130:7200::/39 reserved
2620:130:7400::/38 reserved
2620:130:7800::/37 reserved
2620:130:8010::/44 reserved
2620:130:8020::/43 reserved
2620:130:8040::/42 reserved
2620:130:8080::/41 reserved
2620:130:8100::/40 available
2620:130:8200::/39 available
2620:130:8400::/38 available
2620:130:8800::/37 available
2620:130:9000::/40 reserved
2620:130:9100::/40 reserved
2620:130:9200::/39 reserved
2620:130:9400::/38 reserved
2620:130:9800::/37 reserved
2620:130:a010::/44 reserved
2620:130:a020::/43 reserved
2620:130:a040::/42 reserved
2620:130:a080::/41 reserved
2620:130:a100::/40 available
2620:130:a200::/39 available
2620:130:a400::/38 available
2620:130:a800::/37 available
2620:130:b000::/36 available
2620:130:c000::/44 reserved
2620:130:c010::/44 reserved
2620:130:c020::/43 reserved
2620:130:c040::/42 reserved
2620:130:c080::/41 reserved
2620:130:c100::/40 available
2620:130:c200::/39 available
2620:130:c400::/38 available
2620:130:c800::/37 available
2620:130:d000::/44 reserved
2620:130:d010::/44 reserved
2620:130:d020::/43 reserved
2620:130:d040::/42 reserved
2620:130:d080::/41 reserved
2620:130:d100::/40 available
89,901–90,000 of 92,001 « first‹ prev 898899900901902 next ›last » of 921