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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
AS401832 US assigned 2025-07-16 9655918d247e…
AS401833 US assigned 2025-07-16 33ee9134365a…
AS46226 US assigned 2025-07-15 7ad76b9b184c…
AS399953 US assigned 2025-07-15 3ff94f5b37d4…
AS400804 US assigned 2025-07-15 d19de30329d7…
AS36684 US assigned 2025-07-14 7e0f5b8b99cd…
AS46559 US assigned 2025-07-14 df291d4c16c4…
AS397079 US assigned 2025-07-14 323fb06cc5f1…
AS397081 US assigned 2025-07-14 3c1f05563829…
AS398910 US assigned 2025-07-14 1df1a9b787bc…
AS10722 US assigned 2025-07-11 9caff45743f0…
AS11981 US assigned 2025-07-11 d6f7200f1c01…
AS14411 US assigned 2025-07-11 217089a88f17…
AS32772 US assigned 2025-07-11 c6986ccd6619…
AS23512 US assigned 2025-07-10 3a1cbd49a43a…
AS401826 CA assigned 2025-07-10 82c410b3271a…
AS401827 US assigned 2025-07-10 88884b13e742…
AS63433 US assigned 2025-07-09 f130abf5bb45…
AS401817 US assigned 2025-07-09 856a518b9884…
AS401818 US assigned 2025-07-09 bb642fc89037…
AS401819 TH assigned 2025-07-09 ab10d1d35f17…
AS401820 US assigned 2025-07-09 b37ba6936824…
AS401821 US assigned 2025-07-09 33817f753602…
AS401822 US assigned 2025-07-09 7006099487b1…
AS401823 US assigned 2025-07-09 9b40a13ef799…
AS401824 US assigned 2025-07-09 47342f27ceae…
AS401825 VN assigned 2025-07-09 b4381227afc5…
AS401812 US assigned 2025-07-08 f653b7ae9a95…
AS401813 US assigned 2025-07-08 65d7d19c9be2…
AS401814 US assigned 2025-07-08 f4b4cb80c009…
AS401815 US assigned 2025-07-08 4d9fb170f068…
AS401816 CA assigned 2025-07-08 4bc42edb2c2e…
AS401806 US assigned 2025-07-07 f13d03555065…
AS401807 US assigned 2025-07-07 46bd4cd2589f…
AS401808 US assigned 2025-07-07 be3183358099…
AS401809 US assigned 2025-07-07 3011d79aea1c…
AS401810 US assigned 2025-07-07 b8414f29d421…
AS401803 US assigned 2025-07-03 34e2dab5a2e4…
AS401804 US assigned 2025-07-03 0374f6af5dd8…
AS401805 US assigned 2025-07-03 4039e114f76c…
AS401797 US assigned 2025-07-02 11f1c452e0a2…
AS401798 US assigned 2025-07-02 8555b2602077…
AS401799 US assigned 2025-07-02 2c39866221b8…
AS401800 US assigned 2025-07-02 dba9ec500e71…
AS401801 US assigned 2025-07-02 dba9ec500e71…
AS401802 US assigned 2025-07-02 f994ea54032b…
AS401791 US assigned 2025-07-01 e3597c5a4ae0…
AS401792 US assigned 2025-07-01 7de80d5cb09e…
AS401793 US assigned 2025-07-01 34ef8f352b2c…
AS401794 US assigned 2025-07-01 dd4e8612867c…
AS401795 US assigned 2025-07-01 632302fe846b…
AS401796 US assigned 2025-07-01 92639ce5dca5…
AS401788 US assigned 2025-06-30 dfa0f7a854d8…
AS401789 US assigned 2025-06-30 fad39192b20d…
AS401790 US assigned 2025-06-30 4ce392643ac3…
AS54472 US assigned 2025-06-27 1c220f4d8548…
AS401783 US assigned 2025-06-27 dcf0a45d0fb4…
AS401784 US assigned 2025-06-27 02140c620b4c…
AS401785 US assigned 2025-06-27 26296e7d75c2…
AS401786 US assigned 2025-06-27 374913c593fc…
AS401787 US assigned 2025-06-27 d6ebc242e53d…
AS15235 US assigned 2025-06-26 597579d05880…
AS397557 US assigned 2025-06-26 baeed529e636…
AS398338 US assigned 2025-06-26 7a68e8b4e358…
AS394000 US assigned 2025-06-25 164b8aab16ec…
AS394720 US assigned 2025-06-25 82362554a370…
AS395142 US assigned 2025-06-25 65a5be7a5594…
AS395171 US assigned 2025-06-25 0f38a24b97f8…
AS396968 US assigned 2025-06-25 70062b7960a5…
AS397460 US assigned 2025-06-25 e044f3b6e661…
AS55109 US assigned 2025-06-24 e7a15995d106…
AS53514 US assigned 2025-06-23 d55347590118…
AS53552 US assigned 2025-06-23 99e9b3c17f24…
AS53723 US assigned 2025-06-23 7dba8376bf1e…
AS21650 US assigned 2025-06-20 671f3607d9b6…
AS21986 US assigned 2025-06-20 33cd2e0c0bf7…
AS27164 US assigned 2025-06-20 3e8b47c40028…
AS30326 US assigned 2025-06-20 18fa1ca06a51…
AS30699 US assigned 2025-06-20 8bd4227c7955…
AS32015 US assigned 2025-06-20 49cd10aa9809…
AS33203 US assigned 2025-06-20 0acaa749c3d3…
AS33672 US assigned 2025-06-20 95eeb07406d5…
AS40019 US assigned 2025-06-20 6c6251446fb7…
AS40846 US assigned 2025-06-20 1d8e1ad58a71…
AS40856 US assigned 2025-06-20 ff37211a598e…
AS15249 US assigned 2025-06-18 e42fb6b2c57e…
AS17393 US assigned 2025-06-18 687ad57e8595…
AS20447 US assigned 2025-06-18 1dc1f57d40fe…
AS21626 US assigned 2025-06-18 60b24561b92a…
AS22160 VG assigned 2025-06-18 2abc0b7552bf…
AS25858 CA assigned 2025-06-18 b2306ae8cf56…
AS25870 CA assigned 2025-06-18 b2306ae8cf56…
AS26018 US assigned 2025-06-18 da57dcfe19e9…
AS11276 US assigned 2025-06-17 ef6c21899fcc…
AS11715 US assigned 2025-06-17 cbeb726ec8ce…
AS14447 US assigned 2025-06-17 18ff6768035f…
AS11182 US assigned 2025-06-16 3ce9771d66d5…
AS29798 US assigned 2025-06-16 d8b12f8d0834…
AS401781 US assigned 2025-06-16 135435e7c0b0…
AS401782 US assigned 2025-06-16 b4ba6011c6a8…
1,401–1,500 of 32,715 « first‹ prev 1314151617 next ›last » of 328