Our crawler, Dragonbot uses a dynamic IP address, so it is not possible to identify it by IP.
If you need to identify Dragonbot to add it to your server's allow list, the only reliable method for doing so is the user agent string:
Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.80 Safari/537.36;Dragonbot; http://www.dragonmetrics.com
Please note that several variations of this user agent string are in use, and may change from time to time. To identify the user agent as Dragonbot, please do not match the entire string. Instead, use the final part of the user agent string to identify it, which will remain constant:
Learn more about how to allow Dragonbot to crawl your site.