AS104

University of Colorado at Boulder

AS 104 COLORADO-AS

Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

74,496 IP addresses
ASN104
NameCOLORADO-AS
OrganizationUniversity of Colorado at Boulder
CountryUnited States  
RegistryARIN
IPv4 addresses74,496
IPv6 /64 networks232
Prefixes20
IPv4 Prefixes for AS104
Network Location Addresses
128.138.0.0/16 University of Colorado at Boulder   Boulder 65,536
146.5.20.0/22 University of Colorado at Boulder   New York 1,024
192.12.238.0/24 University of Colorado at Boulder   Boulder 256
192.12.240.0/24 University of Colorado at Boulder   Boulder 256
192.12.242.0/24 University of Colorado at Boulder   Boulder 256
192.12.244.0/24 University of Colorado at Boulder   Boulder 256
192.12.245.0/24 University of Colorado at Boulder   Boulder 256
198.11.16.0/20 University of Colorado at Boulder   Boulder 4,096
198.59.51.0/24 University of Colorado at Boulder   Boulder 256
198.59.52.0/24 University of Colorado at Boulder   Boulder 256
198.59.54.0/24 University of Colorado at Boulder   Boulder 256
198.59.55.0/24 University of Colorado at Boulder   Boulder 256
198.59.7.0/24 University of Colorado at Boulder   Boulder 256
198.59.70.0/24 University of Colorado at Boulder   Boulder 256
198.59.81.0/24 University of Colorado at Boulder   Boulder 256
198.59.82.0/24 University of Colorado at Boulder   Boulder 256
198.59.83.0/24 University of Colorado at Boulder   Boulder 256
204.228.80.0/24 University of Colorado at Boulder   Boulder 256
IPv6 Prefixes for AS104
Network Location /64 Prefixes
2001:468:501::/48 University Corporation Atmospheric Research   London 216
2620:18f::/32 University of Colorado at Boulder   Boulder 232