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
1,645,624,576
📦
IPv4 networks
76,679
delegated blocks
🧭
IPv6 networks
11,332
delegated blocks
🔗
Autonomous systems
34,019
ASNs
// browse the objects
Browse the ARIN registry
| AS | Country | Status | Allocated | Org handle |
|---|---|---|---|---|
| AS27390 |  US |
assigned | 2003-02-25 | c5929e88c5a5… |
| AS27391 | US |
assigned | 2003-02-25 | 5ce51a8fa4a2… |
| AS27373 | US |
assigned | 2003-02-24 | 73659671219e… |
| AS27376 | US |
assigned | 2003-02-24 | 6de766534261… |
| AS27377 | US |
assigned | 2003-02-24 | 6cdb06f9f2c1… |
| AS27381 |  CA |
assigned | 2003-02-24 | 75fb70e36f47… |
| AS27382 | US |
assigned | 2003-02-24 | f57036a35d7c… |
| AS27369 | US |
assigned | 2003-02-21 | b7767d3d1ef7… |
| AS27370 | US |
assigned | 2003-02-21 | 03a213da6d24… |
| AS27353 | US |
assigned | 2003-02-20 | 42763c23be62… |
| AS27354 | US |
assigned | 2003-02-20 | fca460f9d966… |
| AS27355 | US |
assigned | 2003-02-20 | de0e0854cd95… |
| AS27357 | US |
assigned | 2003-02-20 | c66e83fbb76c… |
| AS27358 | US |
assigned | 2003-02-20 | 205cb2c90682… |
| AS27363 | US |
assigned | 2003-02-20 | c03ef529fde5… |
| AS27364 | US |
assigned | 2003-02-20 | 635e221de053… |
| AS27365 | US |
assigned | 2003-02-20 | 96e69a047db0… |
| AS27366 | US |
assigned | 2003-02-20 | 4bb8dd8922c4… |
| AS27368 | US |
assigned | 2003-02-20 | bcbd1466cf4a… |
| AS27342 | US |
assigned | 2003-02-19 | ab43566aaaf7… |
| AS27343 | US |
assigned | 2003-02-19 | c60909645e89… |
| AS27344 | US |
assigned | 2003-02-19 | ce909d57801e… |
| AS27336 | US |
assigned | 2003-02-14 | 864668578e43… |
| AS27337 | US |
assigned | 2003-02-14 | c08a9eb37c18… |
| AS27329 | US |
assigned | 2003-02-13 | d49c08dba57d… |
| AS27334 | US |
assigned | 2003-02-13 | ef686473f0fc… |
| AS27318–AS27322 | US |
assigned | 2003-02-12 | bfbf7b5fb987… |
| AS27323 | US |
assigned | 2003-02-12 | 1d0bff172f08… |
| AS27324 | CA |
assigned | 2003-02-12 | 5ee61c3cfb59… |
| AS27325 | US |
assigned | 2003-02-12 | 6666934f7458… |
| AS27327 | US |
assigned | 2003-02-12 | b2397f715788… |
| AS27307 | US |
assigned | 2003-02-11 | 302a331cdea3… |
| AS27309 | US |
assigned | 2003-02-11 | 8470007aad5c… |
| AS27312 | CA |
assigned | 2003-02-11 | 69a169149f98… |
| AS27314 | US |
assigned | 2003-02-11 | 44011e3634c6… |
| AS27316 | US |
assigned | 2003-02-11 | 5d566c6893da… |
| AS27297 | US |
assigned | 2003-02-10 | 0529dc6ef2af… |
| AS27299 | CA |
assigned | 2003-02-10 | 35f9cd31e8d9… |
| AS27301 | US |
assigned | 2003-02-10 | b76717df2d71… |
| AS27304 | US |
assigned | 2003-02-10 | efe3d96bb5c4… |
| AS27305 | US |
assigned | 2003-02-10 | d573059e72e1… |
| AS27292 | US |
assigned | 2003-02-07 | 170d70a4b990… |
| AS27293 | CA |
assigned | 2003-02-07 | 8ec2d8869c2b… |
| AS27287 | US |
assigned | 2003-02-06 | 15085bb845e3… |
| AS27271 | US |
assigned | 2003-02-05 | a5e3077fba53… |
| AS27273 | US |
assigned | 2003-02-05 | f177fd524ba7… |
| AS27274 | US |
assigned | 2003-02-05 | f04c56945624… |
| AS27275 | CA |
assigned | 2003-02-05 | f9179dc1c2e4… |
| AS27276 | US |
assigned | 2003-02-05 | db7227156804… |
| AS27282 | US |
assigned | 2003-02-05 | 3550ba312453… |
| AS27283 | US |
assigned | 2003-02-05 | b76e5a683b37… |
| AS27285 | US |
assigned | 2003-02-05 | c858579d2d04… |
| AS27259 | US |
assigned | 2003-02-04 | 445169686799… |
| AS27262 | US |
assigned | 2003-02-04 | 98e6c615fd07… |
| AS27263 |  GB |
assigned | 2003-02-04 | 0d25497187a2… |
| AS27265 | CA |
assigned | 2003-02-04 | 34b22e23dd7a… |
| AS27267 | US |
assigned | 2003-02-04 | 65016ba39c26… |
| AS27268 | US |
assigned | 2003-02-04 | dd241dc863e8… |
| AS27269 | US |
assigned | 2003-02-04 | 4912a57bdaf2… |
| AS27257 | US |
assigned | 2003-02-03 | 256eb3495d4d… |
| AS27258 | US |
assigned | 2003-02-03 | fcc27a371679… |
| AS27248 | US |
assigned | 2003-01-30 | 7969f9e5e7c8… |
| AS27249 | US |
assigned | 2003-01-30 | 67a3388cfd8b… |
| AS27254 | US |
assigned | 2003-01-30 | 5832619c5610… |
| AS27229 | US |
assigned | 2003-01-29 | 4996c31ed631… |
| AS27230 | US |
assigned | 2003-01-29 | 72ba6147d7fe… |
| AS27231 | US |
assigned | 2003-01-29 | 8ab60eb47566… |
| AS27234 | US |
assigned | 2003-01-29 | 34d342be0361… |
| AS27237 | US |
assigned | 2003-01-29 | 35d0dce9d32b… |
| AS27242 | US |
assigned | 2003-01-29 | db78bb956023… |
| AS27244 | US |
assigned | 2003-01-29 | ccb146dbbd8e… |
| AS27245 | US |
assigned | 2003-01-29 | c9c34ce364b8… |
| AS27226 | US |
assigned | 2003-01-28 | 3f66051ca886… |
| AS27209 | US |
assigned | 2003-01-27 | d538268083a4… |
| AS27210 | US |
assigned | 2003-01-27 | 805aa2298a78… |
| AS27216 | US |
assigned | 2003-01-27 | 649e719790c4… |
| AS27222 | US |
assigned | 2003-01-27 | 5d726715eb2f… |
| AS27192 | US |
assigned | 2003-01-24 | 948b9c0f71e2… |
| AS27193 | US |
assigned | 2003-01-24 | 847de7cd037e… |
| AS27195 | US |
assigned | 2003-01-24 | 4ee4bcac7b8e… |
| AS27200 | US |
assigned | 2003-01-24 | 183e32295600… |
| AS27201 | US |
assigned | 2003-01-24 | 07fb1df34f88… |
| AS27202 | US |
assigned | 2003-01-24 | 0e8058b08598… |
| AS27203 | US |
assigned | 2003-01-24 | 7c2901505242… |
| AS27184 | US |
assigned | 2003-01-23 | 9b36d56e6466… |
| AS27185 | US |
assigned | 2003-01-23 | d254dc650e21… |
| AS27188 | US |
assigned | 2003-01-23 | 5e1eebb574b7… |
| AS27189 | US |
assigned | 2003-01-23 | 64438858580e… |
| AS27191 | US |
assigned | 2003-01-23 | 3d4b428be69c… |
| AS27178 | US |
assigned | 2003-01-22 | 7873b1c69689… |
| AS27181 | CA |
assigned | 2003-01-22 | 7de51f8320f6… |
| AS27183 | US |
assigned | 2003-01-22 | 669b8ed755a2… |
| AS27168 | CA |
assigned | 2003-01-20 | 7f8d2810def2… |
| AS27171 | US |
assigned | 2003-01-20 | 6c065d5b54b8… |
| AS27160 | US |
assigned | 2003-01-17 | be87a6f57401… |
| AS27032–AS27159 | US |
assigned | 2003-01-16 | 45fe880b68a8… |
| AS27028 | US |
assigned | 2003-01-15 | 4966f601da9f… |
| AS27030 | US |
assigned | 2003-01-15 | b1babdcca009… |
| AS27013 | US |
assigned | 2003-01-14 | 3ec1ae668c21… |
| AS27016 | US |
assigned | 2003-01-14 | a27b87d86063… |