AS12020 Methodist Hospital of Southern California

MHSC-BGP-ASN - Methodist Hospital of Southern California · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#13,859largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#63,370of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS12020 in ASN lookup Look up an IP in this network (12.201.84.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

12.201.84.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS11988#13856 CEVA-US-MV - CEVA INC.256

AS12011#13857 TSD-AS-01 - Thompson School District256

AS12017#13858 PRM-078 - UNIVERSAL HEALTH SERVICES256

AS12031#13860 LORD-CORP-CARY - Lord Corporation256

AS12048#13861 HALLCON-ASN-01 - Hallcon Corporation256

AS12058#13862 HOTELS-LON - EXPEDIA, INC256

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