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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
AS2920 US assigned 1993-09-23 0501330fca76…
AS2922 US assigned 1993-09-23 f7c61e9816a7…
AS2919 CA assigned 1993-09-22 146ce9f75ea2…
AS2918 US assigned 1993-09-17 d6e0281e2b7b…
AS2916 US assigned 1993-09-16 f7b2521b466e…
AS2908 US assigned 1993-09-10 0418d3fd070a…
AS2909 US assigned 1993-09-10 0418d3fd070a…
AS2910 US assigned 1993-09-10 0418d3fd070a…
AS2911 US assigned 1993-09-10 0418d3fd070a…
AS2912 US assigned 1993-09-10 0418d3fd070a…
AS2913 US assigned 1993-09-10 0418d3fd070a…
AS2630 US assigned 1993-09-07 45fe880b68a8…
AS2897 US assigned 1993-09-03 ae6fa0124df1…
AS2898 US assigned 1993-09-03 ae6fa0124df1…
AS2894 US assigned 1993-09-02 627126c20760…
AS2887 US assigned 1993-08-24 36addb9df3b0…
AS2888 US assigned 1993-08-24 e220ed812a4c…
AS2889 US assigned 1993-08-24 e220ed812a4c…
AS2890 US assigned 1993-08-24 e220ed812a4c…
AS2891 US assigned 1993-08-24 e220ed812a4c…
AS2892 US assigned 1993-08-24 e220ed812a4c…
AS2893 US assigned 1993-08-24 ccce0eb99aaa…
AS2880 US assigned 1993-08-23 b72320b94635…
AS2829 US assigned 1993-08-20 84ba51b5444e…
AS2826 US assigned 1993-08-19 e43f12c6ea05…
AS2770 US assigned 1993-08-17 7ffa9b357fbf…
AS2824 US assigned 1993-08-17 d2ca47971f11…
AS2825 US assigned 1993-08-17 d2ca47971f11…
AS2771 US assigned 1993-08-10 5a720ea30e5b…
AS2769 US assigned 1993-08-06 a98cdbf575f7…
AS2765 US assigned 1993-08-05 5d7d436130bf…
AS2757 US assigned 1993-07-28 e220ed812a4c…
AS2758 US assigned 1993-07-28 e220ed812a4c…
AS2759 US assigned 1993-07-28 e220ed812a4c…
AS2760 US assigned 1993-07-28 e220ed812a4c…
AS2761 US assigned 1993-07-28 e220ed812a4c…
AS2751 US assigned 1993-07-22 3052d72662c7…
AS2752 US assigned 1993-07-22 262563dd1e89…
AS2753 US assigned 1993-07-22 8e8e455d5977…
AS2754 US assigned 1993-07-22 addf9f2e5962…
AS2755 US assigned 1993-07-22 950dadd54ec8…
AS2629 US assigned 1993-07-19 45fe880b68a8…
AS2714 US assigned 1993-07-16 7a1a0925a961…
AS2717 US assigned 1993-07-16 18d73d93c4ca…
AS2718 US assigned 1993-07-16 f5663bf06629…
AS2711 US assigned 1993-07-09 85ba5523df07…
AS2712 US assigned 1993-07-09 d390dac0cd58…
AS2626 US assigned 1993-07-07 45fe880b68a8…
AS2627 US assigned 1993-07-07 45fe880b68a8…
AS2628 US assigned 1993-07-07 45fe880b68a8…
AS2709 US assigned 1993-07-02 c1e8d3f619ee…
AS2710 CA assigned 1993-07-02 0947d5738b9d…
AS2623 US assigned 1993-06-30 45fe880b68a8…
AS2624 US assigned 1993-06-30 45fe880b68a8…
AS2625 US assigned 1993-06-30 45fe880b68a8…
AS2707 US assigned 1993-06-24 b0c60d50c903…
AS2704 CA assigned 1993-06-23 a4b3d6e1e30c…
AS2705 US assigned 1993-06-23 f5fbeaec179d…
AS2621 US assigned 1993-06-18 45fe880b68a8…
AS2622 US assigned 1993-06-18 45fe880b68a8…
AS2701 US assigned 1993-06-16 0a40a6588bbe…
AS2702 US assigned 1993-06-16 55a0e9a85d4d…
AS2699 US assigned 1993-06-10 0a40e3c91a3a…
AS2700 US assigned 1993-06-10 058fe3e6c51e…
AS2696 US assigned 1993-06-08 840a1c0da34b…
AS2698 US assigned 1993-06-08 9b34f134c638…
AS2695 US assigned 1993-06-03 13b3e127eb78…
AS2685–AS2694 US assigned 1993-06-02 81e05477cc28…
AS2684 US assigned 1993-05-27 fdf37afef919…
AS2651–AS2682 CA assigned 1993-05-25 84344661f626…
AS2650 US assigned 1993-05-24 f2dceb68858e…
AS2649 US assigned 1993-05-21 37fe01d6d027…
AS2648 US assigned 1993-05-20 2fc72c3bfb52…
AS2644 US assigned 1993-05-17 b7113f40bcf2…
AS2645 US assigned 1993-05-17 e3b8f9ea0e76…
AS2640 US assigned 1993-05-14 b6c3ac5024b6…
AS2616–AS2620 US assigned 1993-05-13 a181bfc17354…
AS2641 US assigned 1993-05-13 d117a01cda22…
AS2642 US assigned 1993-05-13 f35f3d727528…
AS2637 US assigned 1993-05-06 4a67db8a65eb…
AS2633 US assigned 1993-05-04 27f189e770b0…
AS2634 US assigned 1993-05-04 e220ed812a4c…
AS2631 US assigned 1993-04-30 db400e8a49af…
AS2632 US assigned 1993-04-30 45fe880b68a8…
AS1982 US assigned 1993-04-29 4e1a3f536659…
AS2615 US assigned 1993-04-29 ee1eeedd02a5…
AS2581 US assigned 1993-04-28 4fa165e474e1…
AS2582 US assigned 1993-04-28 e58b2e4c250e…
AS2584 US assigned 1993-04-28 18d73d93c4ca…
AS2580 US assigned 1993-04-27 fdf37afef919…
AS2576 US assigned 1993-04-22 9e46ab47277f…
AS2577 US assigned 1993-04-22 45fe880b68a8…
AS818 CA assigned 1993-04-21 3fa2f488c9e1…
AS2575 US assigned 1993-04-12 4976208e378b…
AS2573 US assigned 1993-04-09 acf26f111c9a…
AS2574 US assigned 1993-04-09 edce43f1d53d…
AS2572 US assigned 1993-04-08 1a7054c73e69…
AS2571 CZ assigned 1993-04-07 44fffeebf295…
AS2567 US assigned 1993-03-31 66defc41fc95…
AS2566 US assigned 1993-03-30 5689a0114c15…
30,801–30,900 of 32,715 « first‹ prev 307308309310311 next ›last » of 328