AS40248 County of San Luis Obispo

CSL0-AS - County of San Luis Obispo · registered in the United States

IPv4 addresses8,1926 prefixes · <0.001% of announced IPv4

Rank in United States#3,406largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#10,757of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS40248 in ASN lookup Look up an IP in this network (204.88.224.1) All networks in United States

IPv4 prefixes

All 6 prefixes, in address order.

204.88.224.0/20
204.88.240.0/21
204.88.248.0/23
204.88.250.0/24
204.88.251.0/24
204.88.252.0/22

Similar-sized networks in United States

ASNNameIPv4 addresses

AS36515#3403 ASN-ALLENS - Allens Communications8,192

AS36820#3404 TULIP-SYSTEMS - TULIP SYSTEMS, INC.8,192

AS40004#3405 CONRAD - CONRADIT, LLC8,192

AS40469#3407 NEPAWAN - Northeastern Educational Intermediate Unit 198,192

AS40479#3408 AURORA-HEALTH-CARE - Aurora Health Care, Inc.8,192

AS40918#3409 DIODE-DILLER - Diode Cable Company8,192

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