Fastest ISP XFINITY

XFINITY from Comcast is the nation's largest video, high-speed Internet and phone service provider. They offer a wide variety of speeds and over the last several years have increased performance by introducing 105Mbps, 150Mbps and now 250Mbps service using DOCSIS 3 cable technology. XFINITY also provides a 505Mbps fiber-based service in some areas.