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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
1,644,546,048
📦
IPv4 networks
77,308
delegated blocks
🧭
IPv6 networks
11,579
delegated blocks
🔗
Autonomous systems
34,292
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS402152 US assigned 2026-01-27 6c5311acba1f…
AS402153 US assigned 2026-01-27 e8e6e7871166…
AS402154 US assigned 2026-01-27 5070f22ef610…
AS402144 US assigned 2026-01-26 284d84172eef…
AS402145 US assigned 2026-01-26 f9ba58e19d6d…
AS402146 US assigned 2026-01-26 4cf6bd36030e…
AS402147 US assigned 2026-01-26 3cb62ca4ecca…
AS402148 US assigned 2026-01-26 76273147ef72…
AS402139 US assigned 2026-01-23 50902a172763…
AS402140 US assigned 2026-01-23 0553725a9a12…
AS402141 US assigned 2026-01-23 eef77c487ad8…
AS402142 US assigned 2026-01-23 04c8622e2743…
AS402143 CA assigned 2026-01-23 1f1ec080c579…
AS402134 US assigned 2026-01-22 f4b4cb80c009…
AS402135 US assigned 2026-01-22 2f2d42f30481…
AS402136 US assigned 2026-01-22 99595b1868f0…
AS402137 US assigned 2026-01-22 09efa061a0d0…
AS402138 US assigned 2026-01-22 0778f38ce84f…
AS22539 US assigned 2026-01-21 e125ef1d336e…
AS402127 US assigned 2026-01-21 0280e7c0a407…
AS402128 US assigned 2026-01-21 3631c931b209…
AS402129 US assigned 2026-01-21 af3a98d64b97…
AS402130 US assigned 2026-01-21 17bbe2a3efad…
AS402131 US assigned 2026-01-21 67e1f88dbd9e…
AS402132 US assigned 2026-01-21 61a2e99f8fda…
AS402133 US assigned 2026-01-21 3e5b460c1eca…
AS402123 US assigned 2026-01-20 01879a1aabce…
AS402124 US assigned 2026-01-20 efd28cbb9524…
AS402125 US assigned 2026-01-20 8600d3e98608…
AS402126 US assigned 2026-01-20 320e5fd3e2c8…
AS402122 US assigned 2026-01-16 f82afb58e5a3…
AS402114 US assigned 2026-01-15 3f418f07f539…
AS402115 US assigned 2026-01-15 c4cd900df788…
AS402116 US assigned 2026-01-15 0460ed70f9b5…
AS402117 US assigned 2026-01-15 507dcdc0b728…
AS402118 US assigned 2026-01-15 a19103b7497d…
AS402119 US assigned 2026-01-15 488d2a5b6891…
AS402120 US assigned 2026-01-15 f3de9854f51f…
AS402121 US assigned 2026-01-15 951dbc2a64d2…
AS394108 US assigned 2026-01-14 b19f7508d249…
AS398139 CA assigned 2026-01-14 24bb8fd2a6a8…
AS398150 US assigned 2026-01-14 f2a459b33f50…
AS399080 US assigned 2026-01-14 4850b50d67bd…
AS399263 US assigned 2026-01-14 8a2946a278b8…
AS399264 CA assigned 2026-01-14 7641890ebf5f…
AS399795 US assigned 2026-01-14 c1559f0f835e…
AS400206 US assigned 2026-01-14 b627a8ee76ad…
AS400243 US assigned 2026-01-14 8be5a180db79…
AS401551 US assigned 2026-01-14 8be5a180db79…
AS401608 US assigned 2026-01-14 16c13149c63c…
AS402113 US assigned 2026-01-14 d51e76a2e6ba…
AS398120 CA assigned 2026-01-13 2e91cd244442…
AS398128 US assigned 2026-01-13 c31370c14d91…
AS398129 US assigned 2026-01-13 79d47e4ae482…
AS31880 US assigned 2026-01-12 d9962579011c…
AS61961 US assigned 2026-01-12 7fafee899961…
AS395827 US assigned 2026-01-12 ff3eb272a6f7…
AS396116 CA assigned 2026-01-12 68ec33fa08b0…
AS63309 US assigned 2026-01-09 8bb133cd9b75…
AS63312 US assigned 2026-01-09 daf7db5250c7…
AS393610 US assigned 2026-01-09 21c7931f9ebd…
AS394663 US assigned 2026-01-09 1404f9593f42…
AS394904 US assigned 2026-01-09 58c90c98b8eb…
AS394935 US assigned 2026-01-09 9b5ca1117e57…
AS33249 US assigned 2026-01-08 d972efac2be9…
AS33625 US assigned 2026-01-08 e8b503efced1…
AS35976 US assigned 2026-01-08 211e48e5b6fc…
AS36320 US assigned 2026-01-08 ef5da854bc9e…
AS36346 US assigned 2026-01-08 eef77c487ad8…
AS40852 US assigned 2026-01-08 9fc63538808f…
AS46731 US assigned 2026-01-08 4ebc3b171281…
AS54255 US assigned 2026-01-08 8492fff2b25e…
AS54891 CA assigned 2026-01-08 8724d7c599b5…
AS55287 US assigned 2026-01-08 fba598966b70…
AS23127 CA assigned 2026-01-07 67e29d9c599f…
AS23262 US assigned 2026-01-07 df3478d0a93e…
AS23476 US assigned 2026-01-07 f84d25c7a261…
AS30555 US assigned 2026-01-07 952888a595c6…
AS30588 US assigned 2026-01-07 3008e8121eb9…
AS30594 US assigned 2026-01-07 9058a90d6fa7…
AS30646 US assigned 2026-01-07 ce4028bc2c73…
AS15103 US assigned 2026-01-06 34ca74fd487d…
AS19062 US assigned 2026-01-06 3df6f6f33ab8…
AS20210 US assigned 2026-01-06 a60ba287819d…
AS22664 US assigned 2026-01-06 ac0c085a78a9…
AS22915 US assigned 2026-01-06 bb5e7869eafb…
AS14269 US assigned 2026-01-05 749d257a62a1…
AS12230 US assigned 2026-01-02 9ecaaea04a92…
AS13478 US assigned 2026-01-02 5802f64064ee…
AS14054 US assigned 2026-01-02 5bd4087a1761…
AS14227 US assigned 2026-01-02 f147f65721ac…
AS11169 US assigned 2025-12-31 1ebee3787d5b…
AS11314 US assigned 2025-12-31 f0a4824d0d73…
AS11983 US assigned 2025-12-31 ec4c0519d3d2…
AS7064 US assigned 2025-12-30 7d4a549489d4…
AS402110 US assigned 2025-12-29 ff9d00ba9a1c…
AS402111 US assigned 2025-12-29 73825929098e…
AS402112 US assigned 2025-12-29 a74ceccc6cd6…
AS31850 US assigned 2025-12-24 915ee7f9c230…
AS32175 US assigned 2025-12-24 f91193bbc596…
1,201–1,300 of 33,137 « first‹ prev 1112131415 next ›last » of 332