AS18815 CITY AND COUNTY OF DENVER

AS-CITY-AND-COUNTY-OF-DENVER - CITY AND COUNTY OF DENVER · registered in the United States

IPv4 addresses65,02414 prefixes · 0.002% of announced IPv4

Rank in United States#1,334largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#3,496of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS18815 in ASN lookup Look up an IP in this network (169.133.0.1) All networks in United States

IPv4 prefixes

All 14 prefixes, in address order.

169.133.0.0/23
169.133.2.0/23
169.133.4.0/22
169.133.8.0/23
169.133.10.0/24
169.133.11.0/24
169.133.12.0/22
169.133.16.0/20
169.133.34.0/23
169.133.36.0/22
169.133.40.0/21
169.133.48.0/20
169.133.64.0/18
169.133.128.0/17

Similar-sized networks in United States

ASNNameIPv4 addresses

AS7867#1331 TECHDATA - TECH DATA CORPORATION65,024

AS14737#1332 CCCOES - Colorado Community College and Occupational Education System65,024

AS14946#1333 BMHCC - Baptist Memorial Health Care Corporation65,024

AS47090#1335 SCLHS-47090 - Intermountain Health Care, Inc.65,024

AS64226#1336 MDURESOURCES - MDU Resources Group, Inc.65,024

AS7296#1337 AS-DYNASCALE-LAX - Dynascale Technologies, Inc.64,768

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