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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
ASCountryStatusAllocatedOrg handle
AS10414 reserved
AS10425 reserved
AS10431 reserved
AS10759 reserved
AS10915 reserved
AS10925 reserved
AS10951 reserved
AS10969 reserved
AS10978 reserved
AS11011 reserved
AS11043 reserved
AS11044 reserved
AS11072 reserved
AS11091 reserved
AS11153 reserved
AS11223 reserved
AS11249 reserved
AS11331 reserved
AS11490 reserved
AS11575 reserved
AS11610 reserved
AS11618 reserved
AS11636 reserved
AS11662 reserved
AS11671 reserved
AS11732 reserved
AS11742 reserved
AS11795 reserved
AS11822 reserved
AS11905 reserved
AS11969 reserved
AS11972 reserved
AS12106 reserved
AS12114 reserved
AS12121 reserved
AS12149 reserved
AS12165 reserved
AS12240 reserved
AS12246 reserved
AS12267 reserved
AS13339 reserved
AS13342 reserved
AS13366 reserved
AS13375 reserved
AS13387 reserved
AS13393 reserved
AS13417 reserved
AS13492 reserved
AS13500 reserved
AS13503 reserved
AS13505 reserved
AS13577 reserved
AS13635 reserved
AS13677 reserved
AS13707 reserved
AS13734 reserved
AS13763 reserved
AS13818 reserved
AS13980 reserved
AS14015 reserved
AS14094 reserved
AS14107 reserved
AS14125 reserved
AS14126 reserved
AS14167 reserved
AS14170 reserved
AS14193 reserved
AS14206 reserved
AS14220 reserved
AS14225 reserved
AS14330 reserved
AS14350 reserved
AS14385 reserved
AS14461 reserved
AS14584 reserved
AS14604 reserved
AS14605 reserved
AS14607 reserved
AS14656 reserved
AS14699 reserved
AS14752 reserved
AS14775 reserved
AS14797 reserved
AS14808 reserved
AS14902 reserved
AS14908 reserved
AS14986 reserved
AS15076 reserved
AS15167 reserved
AS15174 reserved
AS15178 reserved
AS15181 reserved
AS15193 reserved
AS15200 reserved
AS15214 reserved
AS15220 reserved
AS15237 reserved
AS15301 reserved
AS15332 reserved
AS15333 reserved
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