system
4
BUMP for future reference
From what i gathered, these IP (when checked) are related to the Microsoft Customer Experience Program and usually run through port 3544 (teredo ipv6 related) and is used to collect information abut your computer and hardware anonymously (NSA much ;D), this feature can be turned off btw
but then again this can be the work of IP spoofing
http://www.webopedia.com/TERM/I/IP_spoofing.html