神马蜘蛛：
101.67.29.0-101.67.29.255
101.67.49.0-101.67.49.255
101.67.50.0-101.67.50.255
60.188.9.0-60.188.9.255
60.188.10.0-60.188.10.255
60.188.11.0-60.188.11.255
112.13.112.0-112.13.112.255
39.173.105.0-39.173.105.255
39.173.107.0-39.173.107.255
谷歌蜘蛛（当网站放有adsense代码时经常被统计到）
72.14.199.0-72.14.199.255
74.125.151.0-74.125.151.255

否则会造成流量很高的假象和增加跳出率的坏处。