Microsoft List Of Bingbot IP Addresses Released
https://searchengineland.comMicrosoft has published its list of IP addresses that Bingbot, the Microsoft Bing crawler, users when crawling your web site. Fabrice Canel from Microsoft said “to help all webmasters, we also published Bingbot IP ranges.”
You can access the current list of Bingbot’s IP addresses over here. It is a JSON file that Microsoft can maintain.