Hey folks. Quick question.
Regarding the blocking of updates for the 2/3DS systems.
These listed addresses are all that I know of that I need to block:
c.shop.nintendowifi.net
nus.c.shop.nintendowifi.net
nus.cdn.c.shop.nintendowifi.net
nus.cdn.shop.wii.com
nus.cdn.wup.shop.nintendo.net...