AS36546 O'Reilly Automotive Inc.

OREILLYAUTO - O'Reilly Automotive Inc. · registered in the United States

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in United States#11,486largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#51,174of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS36546 in ASN lookup Look up an IP in this network (64.111.52.1) All networks in United States

IPv4 prefixes

All 2 prefixes, in address order.

64.111.52.0/24
208.70.182.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS36513#11483 BRETSA - BRETSA512

AS36517#11484 AS-UGIUTIL - UGI Utilities Inc.512

AS36525#11485 ALLEGIANCE-HEALTH - ALLEGIANCE HEALTH SERVICES512

AS36550#11487 MA-MORTENSON-COMPANY - M. A. Mortenson Company512

AS36551#11488 COMPASSION-INTL-GMC1 - Compassion International, Inc.512

AS36565#11489 COUNTY-OF-MONTGOMERY-PA - County of Montgomery512

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