AS53529 Jefferson County, Colorado

JCC-ASN - Jefferson County, Colorado · registered in the United States

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in United States#15,831largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#68,273of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS53529 in ASN lookup Look up an IP in this network (199.184.241.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

199.184.241.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS53515#15828 AMTELCO-204-27-231-AS - AMTELCO256

AS53516#15829 ROSENBERG-AND-ESTIS - Rosenberg & Estis P.C.256

AS53517#15830 ECOMATLANTIC - ECOM Atlantic, Inc.256

AS53531#15832 SENECA-ASN - Seneca Sawmill Company256

AS53532#15833 CINNAMINSON-SCHOOLS - The Board of Education of the Township of Cinnaminson256

AS53544#15834 LUMUGRACEFUL - LUMU GRACEFUL256

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