Cogent Communications is a Tier 1 facilities-based Cogent is a multinational Tier 1 Internet Service Provider consistently ranked as one of the top five networks in the world. Our primary service offering consists of Internet access and data transport, offered over our award-winning fiber optic, IP data-only network, along with colocation in any of our 52 Internet data centers. We service two customer segments: "Corporate" and "NetCentric" (Carriers / Service Providers and Application / Content Providers.