Customers with some popular Xfinity Internet plans can also add a an Xfinity Mobile wireless line free for a year. This article, Comcast boosts Xfinity Internet speeeds, was first published at The Desk.

Comcast, the parent company that owns Xfinity, says its fiber-based network handles internet needs for a whopping 64 million homes and businesses, along with another 23 million Xfinity Wi-Fi hotspots. The company claims that it has built "the nation's largest converged wireless and wireline network" over the past decade.