AS36603 AIRLINES REPORTING CORPORATION

ARC-INTERNET - AIRLINES REPORTING CORPORATION · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#15,427largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#65,941of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS36603 in ASN lookup Look up an IP in this network (12.181.252.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

12.181.252.0/24

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ASNNameIPv4 addresses

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AS36602#15426 WESTWOODONE - Dial Global256

AS36607#15428 ACM - Association for Computing Machinery, Inc256

AS36613#15429 TRADER1-CHICAGO - York Business Associates, LLC256

AS36634#15430 GREATRIVERHEALTHSYSTEMS - Great River Health Systems, Inc.256

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources