AS20138 Carson Tahoe Health System

CTHS-ASN-20138 - Carson Tahoe Health System · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#14,377largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#64,104of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS20138 in ASN lookup Look up an IP in this network (12.139.152.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

12.139.152.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS20123#14374 NOS-NOG2 - NOS Network Operations Group256

AS20131#14375 MCFARLANDCLINIC - McFarland Clinic PC256

AS20133#14376 CASS-COL - CASS INFORMATION SYSTEMS256

AS20159#14378 IMPERIAL-CAPITAL-GROUP-LLC - Imperial Capital Group LLC256

AS20166#14379 1FBUSA-1 - 1st Financial Bank USA256

AS20168#14380 AM-US-AMER-PRECOR-PRECO-11 - Precor Incorporated256

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