AT&T Leads US Biz ISP Market

AT&T led the US business ISP market in September 2011 with 20% of all browser-based Internet page views (i.e. traffic), according to data released in November by comScore. Data from the study indicates that AT&T’s share was two-thirds higher than the next largest business ISP, Verizon, which garnered a 12% share of the market. CenturyLink ranked as the third-largest with 7% share, followed by TW Telecom (5%), Level 3 (5%) and Comcast (5%). Overall, the top 5 business ISPs drove 49% of business Internet traffic across the US, while the top 10 drove 69%. (more…)