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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
AS64259 US assigned 2026-02-10 c98caece5a0e…
AS397642 US assigned 2026-02-10 b7b812c3702c…
AS402201 US assigned 2026-02-10 e712bed62c0a…
AS402202 US assigned 2026-02-10 9e51f8e1f4b1…
AS402203 US assigned 2026-02-10 e530329ed1a7…
AS402204 US assigned 2026-02-10 15a05d800074…
AS402205 US assigned 2026-02-10 e3ec66cd49d3…
AS402206 US assigned 2026-02-10 e3ec66cd49d3…
AS402207 US assigned 2026-02-10 e3ec66cd49d3…
AS402208 US assigned 2026-02-10 736d03122fe0…
AS402209 US assigned 2026-02-10 8306634f7620…
AS402188 US assigned 2026-02-09 ea3a4c65b990…
AS402189 US assigned 2026-02-09 ea3a4c65b990…
AS402190 US assigned 2026-02-09 ea3a4c65b990…
AS402191 US assigned 2026-02-09 ea3a4c65b990…
AS402192 US assigned 2026-02-09 4b92fb37de7c…
AS402193 US assigned 2026-02-09 afeb5d5905d2…
AS402194 CA assigned 2026-02-09 ad76e13b8b85…
AS402195 US assigned 2026-02-09 9820f0c84375…
AS402196 US assigned 2026-02-09 8e156fe4eb79…
AS402197 US assigned 2026-02-09 3df584d77406…
AS402198 US assigned 2026-02-09 9ce1c129bc62…
AS402199 CA assigned 2026-02-09 060a5ea85d52…
AS402200 US assigned 2026-02-09 603253281853…
AS402185 US assigned 2026-02-06 7ab1da403fe2…
AS402186 US assigned 2026-02-06 065d2eae814a…
AS402187 US assigned 2026-02-06 cd3c1483e758…
AS402178 US assigned 2026-02-05 b41d9df0c405…
AS402179 US assigned 2026-02-05 1ba157ae23c7…
AS402180 US assigned 2026-02-05 1ee76c94ece5…
AS402181 US assigned 2026-02-05 d24646990086…
AS402182 US assigned 2026-02-05 844dbdadfbc8…
AS402183 US assigned 2026-02-05 e60a1002a639…
AS402184 US assigned 2026-02-05 c16c452b262f…
AS402175 KY assigned 2026-02-04 0376ccd75a5c…
AS402176 US assigned 2026-02-04 9d959a1634d4…
AS402177 US assigned 2026-02-04 a13a23ea9c50…
AS402172 CA assigned 2026-02-03 fda327863c17…
AS402173 US assigned 2026-02-03 f89131e5a214…
AS402174 US assigned 2026-02-03 074125ced64b…
AS51844 US assigned 2026-02-02 b37ba6936824…
AS402170 US assigned 2026-02-02 3bfa54186c82…
AS402171 US assigned 2026-02-02 2f43ee0a3d45…
AS402164 US assigned 2026-01-30 9744ae7d0d36…
AS402165 US assigned 2026-01-30 090f758aeeb7…
AS402166 US assigned 2026-01-30 f0ddd146fdd0…
AS402167 US assigned 2026-01-30 7b298f3742c0…
AS402168 US assigned 2026-01-30 96984501edf9…
AS402169 US assigned 2026-01-30 5d19dcc66287…
AS402160 US assigned 2026-01-29 7915f997f253…
AS402161 US assigned 2026-01-29 2c312495609e…
AS402162 US assigned 2026-01-29 ab9e4d9ee01c…
AS402163 US assigned 2026-01-29 c86401bd23d4…
AS26769 US assigned 2026-01-28 1eb89809c48a…
AS394616 US assigned 2026-01-28 cfb7601b1e2d…
AS402155 US assigned 2026-01-28 d3c99c461de4…
AS402156 US assigned 2026-01-28 6bd466b5e0fb…
AS402157 US assigned 2026-01-28 ad47f5c7a810…
AS402158 US assigned 2026-01-28 bf54755317c2…
AS402159 US assigned 2026-01-28 dfc3bc302cd1…
AS402149 US assigned 2026-01-27 0fa468eb6e8d…
AS402150 US assigned 2026-01-27 7c50412c5439…
AS402151 US assigned 2026-01-27 b519473fc2df…
AS402152 US assigned 2026-01-27 6c5311acba1f…
AS402153 US assigned 2026-01-27 e8e6e7871166…
AS402154 US assigned 2026-01-27 5070f22ef610…
AS402144 US assigned 2026-01-26 284d84172eef…
AS402145 US assigned 2026-01-26 f9ba58e19d6d…
AS402146 US assigned 2026-01-26 4cf6bd36030e…
AS402147 US assigned 2026-01-26 3cb62ca4ecca…
AS402148 US assigned 2026-01-26 76273147ef72…
AS402139 US assigned 2026-01-23 50902a172763…
AS402140 US assigned 2026-01-23 0553725a9a12…
AS402141 US assigned 2026-01-23 eef77c487ad8…
AS402142 US assigned 2026-01-23 04c8622e2743…
AS402143 CA assigned 2026-01-23 1f1ec080c579…
AS402134 US assigned 2026-01-22 f4b4cb80c009…
AS402135 US assigned 2026-01-22 2f2d42f30481…
AS402136 US assigned 2026-01-22 99595b1868f0…
AS402137 US assigned 2026-01-22 09efa061a0d0…
AS402138 US assigned 2026-01-22 0778f38ce84f…
AS22539 US assigned 2026-01-21 e125ef1d336e…
AS402127 US assigned 2026-01-21 0280e7c0a407…
AS402128 US assigned 2026-01-21 3631c931b209…
AS402129 US assigned 2026-01-21 af3a98d64b97…
AS402130 US assigned 2026-01-21 17bbe2a3efad…
AS402131 US assigned 2026-01-21 67e1f88dbd9e…
AS402132 US assigned 2026-01-21 61a2e99f8fda…
AS402133 US assigned 2026-01-21 3e5b460c1eca…
AS402123 US assigned 2026-01-20 01879a1aabce…
AS402124 US assigned 2026-01-20 efd28cbb9524…
AS402125 US assigned 2026-01-20 8600d3e98608…
AS402126 US assigned 2026-01-20 320e5fd3e2c8…
AS402122 US assigned 2026-01-16 f82afb58e5a3…
AS402114 US assigned 2026-01-15 3f418f07f539…
AS402115 US assigned 2026-01-15 c4cd900df788…
AS402116 US assigned 2026-01-15 0460ed70f9b5…
AS402117 US assigned 2026-01-15 507dcdc0b728…
AS402118 US assigned 2026-01-15 a19103b7497d…
AS402119 US assigned 2026-01-15 488d2a5b6891…
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