Cogent Communications Holdings Inc

Cogent Communications Holdings, Inc. (NASDAQ: CCOI) is a multinational, Tier 1 facilities-based Internet Service Provider specializing in high-speed Internet access, Ethernet transport, optical wavelength services, optical transport, and colocation services for businesses. The company operates an all-optical IP network backbone providing services across 308 markets globally. Cogent serves two primary customer categories: corporate customers located in multi-tenant office buildings and net-centric customers including carriers, content providers, and data centers. Following its 2023 acquisition of Sprint's U.S. long-haul fiber network, Cogent expanded into optical wavelength services now offered in 1,137 locations across the United States, Mexico, and Canada. The company also maintains an IP Transit Services Agreement with T-Mobile valued at $700 million. Cogent operates 3,627 on-net buildings, including multi-tenant offices, carrier-neutral data centers, and its own data center facilities, with over 21,883 owned intercity route miles of fiber network. Updated Aug 6, 2026