| Used Operating Systems |
| 1 | 20709 | 45.54 | 148 | 3.76 | http://www.majestic12.co.uk/bot.php?+ |
| 2 | 13368 | 29.40 | 551 | 14.01 | +http://yandex.com/bots |
| 3 | 4287 | 9.43 | 32 | 0.81 | http://mj12bot.com/ |
| 4 | 2781 | 6.12 | 2444 | 62.16 | +http://www.baidu.com/search/spider.html |
| 5 | 2707 | 5.95 | 146 | 3.71 | Windows NT |
| 6 | 601 | 1.32 | 141 | 3.59 | +http://www.linkdex.com/bots/ |
| 7 | 517 | 1.14 | 242 | 6.15 | +http://www.google.com/bot.html |
| 8 | 417 | 0.92 | 171 | 4.35 | +http://www.bing.com/bingbot.htm |
| 9 | 44 | 0.10 | 33 | 0.84 | +http://www.uptime.com/uptimebot |
| 10 | 8 | 0.02 | 0 | 0.00 | MSIE 5.5; Windows NT 5.1 |
| 11 | 7 | 0.02 | 6 | 0.15 | Windows 98 |
| 12 | 6 | 0.01 | 1 | 0.03 | http://help.yahoo.com/help/us/ysearch/sl... |
| 13 | 4 | 0.01 | 4 | 0.10 | +http://besome1.info/securityresearchbot... |
| 14 | 4 | 0.01 | 3 | 0.08 | +info@netcraft.com |
| 15 | 3 | 0.01 | 3 | 0.08 | Auto; Windows |
| 16 | 2 | 0.00 | 2 | 0.05 | Windows 95 |
| 17 | 1 | 0.00 | 1 | 0.03 | Windows CE |
| 18 | 1 | 0.00 | 1 | 0.03 | http://nmap.org/book/nse.html |
| 19 | 1 | 0.00 | 1 | 0.03 | MSIE 5.5; Windows NT 4.0 |
| 20 | 1 | 0.00 | 1 | 0.03 | FreeBSD [unknown version] |
| 21 | 1 | 0.00 | 1 | 0.03 | Windows ME |
