They probably mean this:
http://www.pbbans.com/mbi-viewban-6a6d3d03-vb45938.html
Same country but... In a completely different region and on a completely different ISP.
I believe this fellow here namehacked you and then got himself banned due to hacking. :)
From my point of view, this ban has nothing whatsoever to do with you. Your GUID is completely clean. Feel free to link the guys, who are banning you, to this post. ;)
~
/*Pisi*/