AS31756 City of Colorado Springs

COLORADOSPRINGS-GOV - City of Colorado Springs · registered in the United States

IPv4 addresses2,0481 prefixes · <0.001% of announced IPv4

Rank in United States#6,294largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#23,152of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS31756 in ASN lookup Look up an IP in this network (158.120.0.1) All networks in United States

IPv4 prefixes

All 1 prefix, in address order.

158.120.0.0/21

Similar-sized networks in United States

ASNNameIPv4 addresses

AS30309#6291 IEXPOSURE-AS - Internet Exposure, Inc.2,048

AS30568#6292 VCS-AS - M3COM of Virginia, Inc2,048

AS30647#6293 USNX - U.S.NEXT, Inc.2,048

AS31801#6295 BHS-NET-LOU - Baptist Healthcare System2,048

AS31812#6296 PBSO-INTERNET - Palm Beach County Sheriff's Office2,048

AS31920#6297 GEETEL-AS - Geetingsville Telephone Co., Inc.2,048

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