必应蜘蛛的部分IP段包括： 157.55.39.0/24 207.46.13.0/24 40.77.167.0/24 13.66.139.0/24 13.66.144.0/24 52.167.144.0/24 13.67.10.16/28 13.69.66.240/28 13.71.172.224/28 139.217.52.0/28 191.233.204.224/28 20.36.108.32/28 20.43.120.16/28 40.79.131.208/28 40.79.186.176/28 52.231.148.0/28 20.79.107.240/28 51.105.67.0/28 20.125.163.80/28 40.77.188.0/22 65.55.210.0/24 199.30.24.0/23 40.77.202.0/24 40.77.139.0/25 20.74.197.0/28 20.15.133.160/27 40.77.177.0/24 40.77.178.0/23 参考来源：必应官网bing.com/toolbox/bingbot.json 
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