| Rank | Property | Audience, 000 | Reach % |
| Total Internet | 190,728 | 100.0 | |
| 1 | Platform-A | 170,508 | 89% |
| 2 | Advertising.com | 167,749 | 88% |
| 3 | Yahoo! Network | 160,206 | 84% |
| 4 | Google Ad Network | 155,882 | 82% |
| 5 | Specific Media | 144,773 | 76% |
| 6 | ValueClick Networks | 140,930 | 74% |
| 7 | Yahoo! | 138,912 | 73% |
| 8 | Tribal Fusion | 135,113 | 71% |
| 9 | 133,528 | 70% | |
| 10 | Casale Media Network | 127,184 | 67% |
| 11 | DRIVEpm | 119,595 | 63% |
| 12 | adconion media group | 117,965 | 62% |
| 13 | Traffic Marketplace | 114,682 | 60% |
| 14 | AOL Media Network | 111,277 | 58% |
| 15 | interCLICK | 107,961 | 57% |
| 16 | MSN-Windows Live | 107,336 | 56% |
| 17 | Tremor Media – Media Partners | 101,929 | 53% |
| 18 | 24/7 Real Media | 99,959 | 52% |
| 19 | ADSDAQ by ContextWeb | 93,815 | 49% |
| 20 | Burst Media | 89,670 | 47% |
| 21 | Collective Media | 88,279 | 46% |
| 22 | AdBrite | 81,838 | 43% |
| 23 | Centro | 80,258 | 42% |
| 24 | Undertone Networks | 72,940 | 38% |
| 25 | Vibrant Media | 72,351 | 38% |
| 26 | MySpace.com | 72,214 | 38% |
| 27 | CPX Interactive | 69,178 | 36% |
| 28 | eBay.com | 66,588 | 35% |
| 29 | Ybrant/AdDynamix Network | 66,341 | 35% |
| 30 | YouTube.com | 66,236 | 35% |
| 31 | Gorilla Nation Media | 66,009 | 35% |
| 32 | Turn, Inc | 60,617 | 32% |
| 33 | Quigo | 60,347 | 32% |
| 34 | MSN.COM Home Page | 57,301 | 30% |
| 35 | Ask Network | 54,086 | 28% |
| 36 | Kontera | 52,159 | 27% |
| 37 | Real Cities Network | 48,015 | 25% |
| 38 | MapQuest | 47,535 | 25% |
| 39 | Amazon.com | 47,274 | 25% |
| 40 | NNN Top 25 | 47,153 | 25% |
| 41 | IB Local Network | 46,827 | 25% |
| 42 | PrecisionClick | 45,622 | 24% |
| 43 | Business.com Network | 44,304 | 23% |
| 44 | Vizi Inc | 44,127 | 23% |
| 45 | YuMe Video Network | 43,137 | 23% |
| 46 | eBay.com Home Page | 40,511 | 21% |
| 47 | About | 40,346 | 21% |
| 48 | IACAS Network | 39,286 | 21% |
| 49 | The Nabbr Network | 38,575 | 20% |
| 50 | NNN Top 10 | 37,211 | 20% |
| Source: comScore | |||