From:
:3ds:
http://www.reddit.com/r/nintendo/comments/1k0i6n/setting_up_a_streetpass_relay_at_home_xpost_from/
Updated 8/13/13 11:17am CST, The First Octet is now 4E: instead of 40: Also Primary MACS are no longer ending in :50+ so check MAC Address Spreadsheet for the update. Added an...