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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
1,644,997,632
📦
IPv4 networks
76,756
delegated blocks
🧭
IPv6 networks
11,434
delegated blocks
🔗
Autonomous systems
34,116
ASNs
// browse the objects

Browse the ARIN registry

IPv4 blocks IPv6 blocks ASNs
ASCountryStatusAllocatedOrg handle
AS394857 US assigned 2024-02-28 de431be88d52…
AS40155 US assigned 2024-02-27 2a72124b4804…
AS27498 CA assigned 2024-02-26 48ece739c9cc…
AS29856 US assigned 2024-02-26 e81648cba413…
AS32002 US assigned 2024-02-26 66dd32509ffa…
AS32119 US assigned 2024-02-26 6a1b3e50e026…
AS32595 US assigned 2024-02-26 1d1b86db0c4c…
AS400941 US assigned 2024-02-26 7cab9b975e43…
AS22131 US assigned 2024-02-23 e179399c77a2…
AS26556 US assigned 2024-02-23 d5eba27ec8c0…
AS33622 US assigned 2024-02-23 17ece9369085…
AS13898 US assigned 2024-02-22 e0896d7a8174…
AS27469 US assigned 2024-02-22 ee44a34fcea1…
AS393471 US assigned 2024-02-22 f36b150fd80b…
AS395932 CA assigned 2024-02-22 440385d6fea6…
AS398991 US assigned 2024-02-22 0ed489778232…
AS399741 US assigned 2024-02-22 4a572a93825b…
AS16601 US assigned 2024-02-21 f3c0e40aae4a…
AS10419 US assigned 2024-02-20 ca969eafcce2…
AS22679 US assigned 2024-02-17 7449103406fe…
AS54776 US assigned 2024-02-17 ac82b08b9209…
AS400935 US assigned 2024-02-17 0778f38ce84f…
AS400936 US assigned 2024-02-17 555c679f8fd0…
AS400937 US assigned 2024-02-17 c48a63470cca…
AS400938 CA assigned 2024-02-17 e577b2083910…
AS400939 PR assigned 2024-02-17 38fcd59fb3a2…
AS400940 US assigned 2024-02-17 9e7b6e3622db…
AS400933 US assigned 2024-02-16 14ef58f98cd5…
AS400934 CA assigned 2024-02-16 710387f1f6ff…
AS400928 US assigned 2024-02-15 099b6644d355…
AS400929 CA assigned 2024-02-15 3dba7b53e8e0…
AS400930 US assigned 2024-02-15 35040b5985be…
AS400931 US assigned 2024-02-15 cb00a3ef4e4b…
AS400932 US assigned 2024-02-15 3bcd8af904f9…
AS16976 US assigned 2024-02-14 ff3110595d29…
AS19446 CA assigned 2024-02-14 bbbe1ae865fe…
AS21566 US assigned 2024-02-14 0d178d312165…
AS23208 US assigned 2024-02-14 fe2afd03eaed…
AS27206 US assigned 2024-02-14 27b43a51f24e…
AS27489 US assigned 2024-02-14 ebcf5628b8fd…
AS30538 US assigned 2024-02-14 c980937c1a3a…
AS31872 US assigned 2024-02-14 2be9f3b62882…
AS40268 US assigned 2024-02-14 29812fe3f579…
AS40299 CA assigned 2024-02-14 ae88f6f94bb2…
AS40569 US assigned 2024-02-14 bbc822749c17…
AS62900 US assigned 2024-02-14 d2c7a53dc2fa…
AS400924 US assigned 2024-02-14 1e1ae4e83767…
AS400925 US assigned 2024-02-14 14e18b334e4f…
AS400926 US assigned 2024-02-14 14e18b334e4f…
AS400927 US assigned 2024-02-14 c94ea1fe6ac6…
AS14914 US assigned 2024-02-13 0d54af639fc2…
AS15718 US assigned 2024-02-13 96d12f4ed7b4…
AS14097 US assigned 2024-02-12 d1476543d01c…
AS14217 CA assigned 2024-02-12 cf981fedfec9…
AS14807 CA assigned 2024-02-12 b5d460a31579…
AS21751 US assigned 2024-02-12 e5b9ae2403b1…
AS11075 CA assigned 2024-02-09 07ad5cd91896…
AS11358 CA assigned 2024-02-09 33ee707b7441…
AS13933 US assigned 2024-02-09 0ee51a543631…
AS63208 US assigned 2024-02-09 09652ba8a6dc…
AS63320 US assigned 2024-02-09 ae0b6ce01a61…
AS63356 CA assigned 2024-02-09 725d9063e159…
AS64252 US assigned 2024-02-09 c0eac18f6571…
AS53727 US assigned 2024-02-08 340a1aa00bb0…
AS393723 US assigned 2024-02-08 e89d3e6248d3…
AS393741 US assigned 2024-02-08 62c03e8c8fa4…
AS395801 US assigned 2024-02-08 ca2b7c643ca4…
AS397190 US assigned 2024-02-08 162c67d510b3…
AS36800 US assigned 2024-02-06 c5e48ca6d6ca…
AS40004 US assigned 2024-02-06 d06291914109…
AS40318 CA assigned 2024-02-06 18be83ca2bca…
AS53786 US assigned 2024-02-06 31caea8da158…
AS26520 US assigned 2024-02-05 f89f0354dd22…
AS26737 CA assigned 2024-02-05 184e41e66a2d…
AS26740 US assigned 2024-02-05 f75d509090eb…
AS30544 US assigned 2024-02-05 6aafd51723e0…
AS30596 US assigned 2024-02-05 e24bd80cb606…
AS32038 US assigned 2024-02-05 e5dfd8b06991…
AS393980 US assigned 2024-02-05 a06e742dbbf2…
AS396048 US assigned 2024-02-05 a06e742dbbf2…
AS11655 CA assigned 2024-02-02 10ba820d9209…
AS16390 US assigned 2024-02-02 7127ee01c1cc…
AS16679 US assigned 2024-02-02 aa4429e41772…
AS21584 US assigned 2024-02-02 4ebc95ddb5f8…
AS393958 US assigned 2024-02-02 bde22a005d3c…
AS398929 US assigned 2024-02-02 4f91ab1a0184…
AS400209 US assigned 2024-02-02 758cbe680635…
AS11029 US assigned 2024-02-01 3ebf3e043e6b…
AS11825 US assigned 2024-02-01 4f8776b5d015…
AS13520 US assigned 2024-02-01 8055766d3a3e…
AS13646 CA assigned 2024-02-01 346ae4d89946…
AS14439 US assigned 2024-02-01 5de563b99d01…
AS18871 US assigned 2024-02-01 683dde5b2b87…
AS26701 US assigned 2024-02-01 3387fe471957…
AS40692 US assigned 2024-02-01 cf622ff4a6ba…
AS40745 US assigned 2024-02-01 bd7417e44e6a…
AS393493 US assigned 2024-02-01 2ac2167df039…
AS394376 US assigned 2024-02-01 c4c4d3ec83fc…
AS400324 US assigned 2024-02-01 211033d2c4ae…
AS15183 US assigned 2024-01-31 4ce392643ac3…
3,601–3,700 of 32,959 « first‹ prev 3536373839 next ›last » of 330