The ranking shows that AOL’s Platform-A remains the top ad network, reaching nearly 176.5 million U.S. Internet users, or 91.5% of the total audience, followed by Yahoo! Network (167.1 million), and Google Ad Network (164.5 million). Web researcher comScore reported the top 25 ad networks based on their reach among U.S. Internet users in April 2009.
New ad network FOX Audience Network ranked sixth, reaching 149.2 million people. Several ad networks in the top 25 achieved double-digit growth during the past year, led by Turn Inc. (up 121%), CPX Interactive (up 88%), and 24/7 Real Media (up 48%).
The data has come from comScore on Wednesday, May 20.