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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
1.64B
1,644,931,584
📦
IPv4 networks
76,754
delegated blocks
🧭
IPv6 networks
11,445
delegated blocks
🔗
Autonomous systems
34,119
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS19275 US assigned 2000-12-12 72edb9be8f86…
AS19279 US assigned 2000-12-12 9882956a7bdf…
AS19270 US assigned 2000-12-11 4b3e152c829c…
AS19271 US assigned 2000-12-11 85c4939a9a97…
AS19246 AG assigned 2000-12-08 84cec150ea19…
AS19248 US assigned 2000-12-08 2e1accbf7b5e…
AS19249 US assigned 2000-12-08 1073fc4541f6…
AS19253 US assigned 2000-12-08 6f0e00afa3f5…
AS19261 US assigned 2000-12-08 97a2476b7659…
AS19262 US assigned 2000-12-08 e220ed812a4c…
AS19226 US assigned 2000-12-06 13ddd9a08da5…
AS19227 US assigned 2000-12-06 e4168b9ed95c…
AS19229 US assigned 2000-12-06 9b36d56e6466…
AS19236 US assigned 2000-12-06 8c4debed3a9c…
AS19237 US assigned 2000-12-06 84b1251f3230…
AS19238 US assigned 2000-12-06 369283cb4322…
AS19239 US assigned 2000-12-06 c3ea64b9c861…
AS19209 US assigned 2000-12-05 86a7143a5a90…
AS19210 US assigned 2000-12-05 3e9e40f32148…
AS19212 US assigned 2000-12-05 152993a12b72…
AS19213 US assigned 2000-12-05 db759f77c184…
AS19217 US assigned 2000-12-05 f995b1bd8a7d…
AS19184 US assigned 2000-12-04 48b5ae95d9ab…
AS19187 US assigned 2000-12-04 9b36d56e6466…
AS19190 CA assigned 2000-12-04 0e702695cc8d…
AS19191 US assigned 2000-12-04 d538268083a4…
AS19194 US assigned 2000-12-04 ff26920a408f…
AS19197 US assigned 2000-12-04 dd56814dc7bb…
AS19199 US assigned 2000-12-04 e42b7a7f8475…
AS19201 US assigned 2000-12-04 25e80061a1ad…
AS19181 US assigned 2000-12-01 7b8a923f1ec8…
AS19170 US assigned 2000-11-30 1ac84932e21c…
AS19171 CA assigned 2000-11-30 89fba6f1dadb…
AS19172 US assigned 2000-11-30 403ce57035b2…
AS19177 US assigned 2000-11-30 66e68ecd93af…
AS19151 US assigned 2000-11-29 66e68ecd93af…
AS19152 US assigned 2000-11-29 ab226dc561ca…
AS19153 US assigned 2000-11-29 7b6225d19900…
AS19154 US assigned 2000-11-29 ebfe67afa5c6…
AS19155 US assigned 2000-11-29 60377bc1f34a…
AS19157 US assigned 2000-11-29 2ae6f8bcdd0f…
AS19158 US assigned 2000-11-29 34d342be0361…
AS19159 US assigned 2000-11-29 c64f89c32e34…
AS19143 US assigned 2000-11-28 52ecfa34d826…
AS19145 US assigned 2000-11-28 733a7e33ee6f…
AS19141 US assigned 2000-11-27 161fb0fc33bc…
AS19134 US assigned 2000-11-22 bd01d8d5dd8f…
AS19138 US assigned 2000-11-22 0680843f4a19…
AS19139 CA assigned 2000-11-22 a2eba22c6c42…
AS19125 US assigned 2000-11-21 c09a4812c1be…
AS19128 BS assigned 2000-11-21 8df83fe6b147…
AS19129 US assigned 2000-11-21 c169df0eab13…
AS19130 US assigned 2000-11-21 21db39a55000…
AS19102 US assigned 2000-11-20 88dba0c4e2af…
AS19103 US assigned 2000-11-20 81524a5ba832…
AS19105 US assigned 2000-11-20 1d4fc176ec1e…
AS19106 US assigned 2000-11-20 5482629dadd4…
AS19108 US assigned 2000-11-20 dc28ffe4a49a…
AS19113 US assigned 2000-11-20 5a55d41b4c45…
AS19115 US assigned 2000-11-20 2ae6f8bcdd0f…
AS19118 US assigned 2000-11-20 278d3043dbec…
AS19082 US assigned 2000-11-17 f484c8685a70…
AS19086 CA assigned 2000-11-17 0947d5738b9d…
AS19087 US assigned 2000-11-17 ce0e27ad032f…
AS19088 US assigned 2000-11-17 6d5bfb3228ef…
AS19092 US assigned 2000-11-17 34d342be0361…
AS19093 US assigned 2000-11-17 31caea8da158…
AS19079 US assigned 2000-11-16 62fe603f8894…
AS19063 US assigned 2000-11-15 ad857d85524b…
AS19067 US assigned 2000-11-15 1d31b62a7c6d…
AS19069 US assigned 2000-11-15 4774876be7de…
AS19072 US assigned 2000-11-15 28088f3677a5…
AS19075 CA assigned 2000-11-15 f6378853cc62…
AS19056 US assigned 2000-11-14 f98fd00a1324…
AS19057 US assigned 2000-11-14 31caea8da158…
AS19049 US assigned 2000-11-13 dcc19380db1e…
AS19024 US assigned 2000-11-10 2908fc017227…
AS19029 US assigned 2000-11-10 6c065d5b54b8…
AS19030 US assigned 2000-11-10 6bbe820c83ca…
AS19031 US assigned 2000-11-10 46da7d1bacbc…
AS19035 US assigned 2000-11-10 1446bcb83791…
AS19040 US assigned 2000-11-10 81b071b3ff30…
AS19044 US assigned 2000-11-10 4db408216fcb…
AS19022 US assigned 2000-11-09 8ae2a38290ad…
AS19023 US assigned 2000-11-09 276d1c64a28b…
AS19017 US assigned 2000-11-08 f98fd00a1324…
AS19018 US assigned 2000-11-08 a7f7463af3d3…
AS19019 US assigned 2000-11-08 6e048190eb9a…
AS8092 US assigned 2000-11-07 4f110d9bcc28…
AS19000 US assigned 2000-11-07 2b743e1478fc…
AS19002 US assigned 2000-11-07 c2a16aebbb5c…
AS19003 US assigned 2000-11-07 f24a794c5944…
AS19006 US assigned 2000-11-07 e40a1c3369de…
AS19008 US assigned 2000-11-07 41b86f858032…
AS19011 US assigned 2000-11-07 209fb9ddbb9c…
AS19016 CA assigned 2000-11-07 efef4c621276…
AS18986 CA assigned 2000-11-06 cb6d23ee13c9…
AS18988 CA assigned 2000-11-06 b9945c7e414f…
AS18990 US assigned 2000-11-06 614346bde8f8…
AS18972 US assigned 2000-11-03 38cc2ffa4121…
26,301–26,400 of 32,959 « first‹ prev 262263264265266 next ›last » of 330