The IP for the crawler is: 220.127.116.11.
The IP for the proxy is: 18.104.22.168.
The user agent for the crawler is: Dubbotbot/0.2.
DubBot maintains static IP addresses with AWS. There are rare occasions where the IP addresses need to be changed. DubBot will inform clients in the event of a change.
The servers are managed in Boardman, Oregon.