Cogent Communications Holdings, Inc. is a facility-based provider of Internet access and Internet Protocol (IP) communications services. The Company's network is designed and optimized to transmit data using IP. The Company delivers its services to small and medium-sized businesses, communications service providers and other bandwidth-intensive organizations in North America, Europe and Asia. The Company offers on-net Internet access services through its own facilities, which run from its network to its customers' premises. It offers its on-net services to customers located in buildings that are physically connected to its network. Its on-net service consists of Internet access and IP connectivity ranging from 100 Megabits per second to 100 Gigabits per second of bandwidth. It provides its on-net Internet access services to its net-centric and corporate customers. Its network consists of in-building riser facilities, metropolitan optical networks and inter-city transport facilities.