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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
AS7973 US assigned 1997-03-10 020e989cc1d2…
AS7975 US assigned 1997-03-10 66829221404a…
AS7976 US assigned 1997-03-10 68db20e38ee9…
AS7977 US assigned 1997-03-10 4cb61b484442…
AS7966 US assigned 1997-03-07 92cb366254b0…
AS7967 US assigned 1997-03-07 c85b0189ff87…
AS7968 US assigned 1997-03-07 936c36d951e3…
AS7969 CA assigned 1997-03-07 b1ff26defd51…
AS7970 US assigned 1997-03-07 3d787d045fda…
AS7961 US assigned 1997-03-06 32c4e011511e…
AS7962 US assigned 1997-03-06 527ac795d08a…
AS7963 US assigned 1997-03-06 a694397f14e0…
AS7964 US assigned 1997-03-06 3b7ecb78c0e3…
AS7958 US assigned 1997-03-03 0085dabb86a8…
AS7959 US assigned 1997-03-03 773a4b934861…
AS7952 US assigned 1997-02-28 5302e8f2d396…
AS7956 US assigned 1997-02-28 6c065d5b54b8…
AS7957 US assigned 1997-02-28 8f2a3333e12b…
AS7949 US assigned 1997-02-27 cdd84ebb08e4…
AS7950 CA assigned 1997-02-27 497e9b922ae8…
AS7951 US assigned 1997-02-27 6419051e109c…
AS715 US assigned 1997-02-26 8b68032ac271…
AS7948 US assigned 1997-02-26 ab16b1198a74…
AS7947 US assigned 1997-02-21 79f9eb7a25df…
AS7938 US assigned 1997-02-20 3fbe25093517…
AS7939 US assigned 1997-02-20 63d6e9d63323…
AS7940 CA assigned 1997-02-20 3dbbec9c1984…
AS7941 US assigned 1997-02-20 7c6afabe0920…
AS7942 US assigned 1997-02-20 b38f9b23fd4a…
AS7943 US assigned 1997-02-20 8cc7534d2d8e…
AS7944 US assigned 1997-02-20 287c465e80aa…
AS7945 US assigned 1997-02-20 1dd97541f845…
AS7946 US assigned 1997-02-20 25bf42994797…
AS7932 US assigned 1997-02-19 da57e0a2e2d1…
AS7933 US assigned 1997-02-19 1f603ffda858…
AS7935 US assigned 1997-02-19 9dab5a1a8aba…
AS7936 US assigned 1997-02-19 347c70c39c30…
AS7937 US assigned 1997-02-19 de9a317d4bf0…
AS7928 CA assigned 1997-02-18 1891d857bf5e…
AS7929 US assigned 1997-02-18 bfe1b691512f…
AS7930 US assigned 1997-02-18 dbc48f07bd67…
AS7931 US assigned 1997-02-18 eee90fada7f4…
AS7922 US assigned 1997-02-14 3a7b40ab58f6…
AS7923 US assigned 1997-02-14 f811547e421c…
AS7924 US assigned 1997-02-14 ddc1dfdf7b30…
AS7925 US assigned 1997-02-14 5584802f8691…
AS7926 US assigned 1997-02-14 e7de6ae36dd2…
AS7914 US assigned 1997-02-13 eb69a085f0ec…
AS7917 US assigned 1997-02-13 4dd73aa18db6…
AS7918 US assigned 1997-02-13 d27455adcabb…
AS7919 US assigned 1997-02-13 6450e8e4d765…
AS5748 US assigned 1997-02-12 0b24169fcab0…
AS7907 US assigned 1997-02-12 6d537d6521a9…
AS7911 US assigned 1997-02-12 e5e3b9c13678…
AS7912 US assigned 1997-02-12 8ace5129437a…
AS7913 US assigned 1997-02-12 7d56a89cd522…
AS7903 US assigned 1997-02-11 98e6c615fd07…
AS7904 US assigned 1997-02-11 20e0535bbd34…
AS7905 US assigned 1997-02-11 7c3ccae3cd7d…
AS7895 US assigned 1997-02-10 02198460755a…
AS7896 US assigned 1997-02-10 08db3fcc7f4f…
AS7898 US assigned 1997-02-10 58fdd6372af8…
AS7899 US assigned 1997-02-10 9b6b5c21b328…
AS7900 US assigned 1997-02-10 4dcc542099c9…
AS7902 US assigned 1997-02-10 f2e795211256…
AS7891–AS7894 US assigned 1997-02-07 81e05477cc28…
AS7884 US assigned 1997-02-06 c60e5cdd6cde…
AS7885 CA assigned 1997-02-06 f1bc5e2c3ac3…
AS7886 US assigned 1997-02-06 c27f9c5ac67f…
AS7887 US assigned 1997-02-06 e51b273c6e79…
AS7888 US assigned 1997-02-06 9c1ba07d4b1d…
AS7889 US assigned 1997-02-06 378375ab242e…
AS7882 US assigned 1997-02-05 bd19448e0bdb…
AS7875 US assigned 1997-02-04 8a24636ccb6b…
AS7876 US assigned 1997-02-04 340f7f09a243…
AS7877 US assigned 1997-02-04 6e8fce4d373c…
AS7878 CA assigned 1997-02-04 81be68d3aca6…
AS7879 US assigned 1997-02-04 a0cb4445cb5c…
AS7880 US assigned 1997-02-04 c9967519a632…
AS7881 US assigned 1997-02-04 353cfdc3cf59…
AS7839 US assigned 1997-02-03 55bbd2e90070…
AS7862 US assigned 1997-02-03 2627037a004b…
AS7863 US assigned 1997-02-03 50da3c05b6a1…
AS7865 US assigned 1997-02-03 9eadeb376486…
AS7866 US assigned 1997-02-03 f34b657cabab…
AS7867 US assigned 1997-02-03 30a8bd0016ef…
AS7868 US assigned 1997-02-03 eb2a69c27552…
AS7869 US assigned 1997-02-03 4a2af2996719…
AS7870 US assigned 1997-02-03 16962cefdd13…
AS7871 US assigned 1997-02-03 7104fd65fdf6…
AS7872 US assigned 1997-02-03 ca2e412fb7a7…
AS7873 CA assigned 1997-02-03 b00427fc99b3…
AS7874 US assigned 1997-02-03 eed4d9fefe83…
AS7859 US assigned 1997-01-30 553baa5a5ca7…
AS7860 CA assigned 1997-01-30 a00d92174021…
AS7857 US assigned 1997-01-28 12fbf2a8184f…
AS7858 US assigned 1997-01-28 776f99e94987…
AS7844 US assigned 1997-01-27 b7fd0761ab25…
AS7845 US assigned 1997-01-27 07b4afc6ca39…
AS7846 US assigned 1997-01-27 ad228735048d…
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