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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
AS4949 reserved
AS5032 reserved
AS5041 reserved
AS5746 reserved
AS5799 US assigned bb570ee28a40…
AS6070 US assigned c659d3f52e77…
AS6081 reserved
AS6092 US assigned eb7f51d39bae…
AS6112 US assigned 4fb595ec3738…
AS6113 US assigned e220ed812a4c…
AS6115 US assigned 190865ba0b7f…
AS6123 US assigned bfb37b649909…
AS6128 US assigned de5b7d02a2f8…
AS6138 US assigned fa75f886dca3…
AS6142 US assigned ace55d4dc090…
AS6159 US assigned 8970d1d9e490…
AS6160 US assigned b7113f40bcf2…
AS6161 US assigned 3a7b40ab58f6…
AS6162 US assigned c20e8bcb2151…
AS6164 US assigned da30a61dbdb2…
AS6166 US assigned 1dfaf675a4db…
AS6171 CA assigned 007c0987e9ec…
AS6173 US assigned 540e03198fe9…
AS6174 US assigned 37fe01d6d027…
AS6175 US assigned 37fe01d6d027…
AS6176 US assigned 37fe01d6d027…
AS6177 US assigned 37fe01d6d027…
AS6178 US assigned 4f4de6209ebd…
AS6179 US assigned 1e2f548eb72b…
AS6189 US assigned f60704c15c16…
AS6191 CA assigned e7ee2d342693…
AS6192 US assigned 537d25e9db76…
AS6194 US assigned b004b3ecde24…
AS6195 US assigned 21fde1b2812e…
AS6197 US assigned f7f150bdd776…
AS6198 US assigned f7f150bdd776…
AS6199 US assigned 4c7bc295a6a7…
AS6200 US assigned d57c1a0e7da3…
AS6201 US assigned 0eeaf6c9921e…
AS6202 US assigned c70a1428ce97…
AS6209 US assigned 18f8abea9801…
AS6210 US assigned 18f8abea9801…
AS6211 US assigned 07cb90dea42b…
AS6212 US assigned 2773f7465f78…
AS6213 US assigned 0a3ad27df11f…
AS6214 US assigned c7c716a4f9a8…
AS6215 US assigned f87c89ead86a…
AS6217 US assigned 3bb3e7906e29…
AS6218 US assigned e5da4934d07a…
AS6219 CA assigned 6ca4c1ceb36c…
AS6220 US assigned 07edd9572757…
AS6221 US assigned fed35835ba97…
AS6222 US assigned cdb7d42057bd…
AS6228 US assigned 697bd13991cf…
AS6229 US assigned 1b4cce008ff4…
AS6230 US assigned 479f665c3e6f…
AS6231 US assigned 20613b8aec18…
AS6232 US assigned bb75af75b700…
AS6234 US assigned 3b0684d1d1e1…
AS6236 US assigned 04af771bb0d6…
AS6237 US assigned 80f6cc5115cd…
AS6238 US assigned 7486ddcaf6b8…
AS6239 US assigned cc7f9a1a0e4c…
AS6241 CA assigned 9f2122981d76…
AS6242 US assigned 1c53241cd817…
AS6245 US assigned d68327c5966e…
AS6247 CA assigned 8b9e529f101c…
AS6250 US assigned 320625f275e7…
AS6251 US assigned 04e2573f2117…
AS6252 US assigned 1adf4c88a9db…
AS6253 US assigned e338a2e24ad4…
AS6254 US assigned cc0c7f2d8f3d…
AS6255 US assigned 342e35822dfb…
AS6256 US assigned e220ed812a4c…
AS6257 US assigned 123dcb1b7d25…
AS6258 US assigned 3dea92e74944…
AS6260 US assigned 8e7890d0199a…
AS6261 US assigned 6c065d5b54b8…
AS6263 US assigned cabd8836cf07…
AS6264 US assigned f87c89ead86a…
AS6265 US assigned e33e143a7950…
AS6266 US assigned 65c6290ceaf0…
AS6268 US assigned ebeaf69d7915…
AS6269 US assigned 81e05477cc28…
AS6278 US assigned b8202708d1a5…
AS6280 CA assigned 347ccfde5e8a…
AS6281 US assigned 307e0cb08795…
AS6291 US assigned b004b3ecde24…
AS6298 US assigned 0149413ef937…
AS6305 US assigned a52a702e484b…
AS6330 US assigned ddb04c177966…
AS6359 reserved
AS6473 reserved
AS6485 reserved
AS6565 reserved
AS6630 reserved
AS7187 reserved
AS7363 reserved
AS7897 reserved
AS7916 reserved
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