AS397837 GEICO

GEICO-CNAB - GEICO · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#17,346largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#78,233of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS397837 in ASN lookup Look up an IP in this network (205.143.201.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

205.143.201.0/24

Other ASNs named GEICO

2 other networks use the same organisation name; together with AS397837 they announce 3,584 IPv4 addresses.

ASNNameIPv4 addresses

AS14450GEICO01 - GEICO US2,816

AS29913GEICO03 - GEICO US512

Similar-sized networks in United States

ASNNameIPv4 addresses

AS397817#17343 STMC - Southern Tennessee Regional Health System Winchester256

AS397819#17344 CPI - Consumers Power, Inc.256

AS397830#17345 CITY-OF-GLENDALE - City of Glendale256

AS397840#17347 GMS-ASN-01 - GENERAL MARKETING SOLUTIONS LLC256

AS397841#17348 5150 - New Mexico Orthopaedics Associates PC256

AS397843#17349 ESP - EyeCare Services Partners Management LLC256

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