8.209.81.21 is an IP address in 45102 owned by Westendstrabe 28, 60325 Frankfurt am Main and located in SG. This page provides details on the DNS resolutions to the IP, the malware samples communicating with it and mentions in APT reports.
Reports, passive DNS (pDNS) records, Uniform Resource Locators (URLs) and malware samples associated with 8.209.81.21.
Map of the location associated with 8.209.81.21.
Note: if the roller icon stops rolling, this means there is a significant number of results being returned. Patience my friend.