UA: LinkedInBlackBerry/10.1.31 (322) Passport SQW100-1/10.3.2.2639 (Research In Motion;RIM BlackBerry Device;Passport;SQW100-1;1)
Protocol: HTTP/1.1
Robots.txt: No
Host: Orange UK ISP
213.205.224.0 - 213.205.255.255
213.205.224.0/19
Besides the obvious conclusion, I have no further info on the actor.
It requested an image file remotely (it wasn't on my site.) It was blocked due to the UA attribute "research."