ZenFi Networks, also known as ZenFi, is a dark fiber backhaul company based in New York City. The company operates an 800 route mile fiber optic network in the New York City metropolitan area that connects mobile phone macrosites, small cells and Wi-Fi nodes to carriers and other core network facilities. History ZenFi was founded in 2014 in New York City. The company's goal was to help connect fiber networks to wireless distributed antenna systems (DAS), which provide Internet access inside properties, in order to extend mobile phone networks. In May 2015, ZenFi established a connection at 325 Hudson, a well known data center in Manhattan. In May 2016, the company expanded its network to The Bronx, New York City's northernmost borough. In January 2017, the company partnered with NY Metro service provider Cross River Fiber to launch a portal to streamline the dark and lit fiber ordering process for data center interconnection (DCI). In May 2017, the company completed fiber build-outs at carrier hotel (colocation facility) operator ColoGuard’s CGNY1 Brooklyn data center, and at 32 Avenue of the Americas in Manhattan, also known as the AT&T Building. By Spring 2018, the company was reportedly operating over 300 route miles of fiber. Network The company's 800 route mile metro fiber optic network connects to twenty major carrier hotels in New York City, and 25 data centers in New Jersey.
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