I added the Wii U update domains to Switchbru's DNS server. There probably isn't any good reason to use this over any existing update-blocking servers, but throwing it out there anyway!
Address: 45.55.142.122
Address: 45.55.142.122
from: https://github.com/FlimFlam69/WiiUT...ing-Updates-From-Nintendo#router-url-blocking
- nus.cdn.c.shop.nintendowifi.net
- nus.cdn.shop.wii.com
- nus.cdn.wup.shop.nintendo.net
- nus.wup.shop.nintendo.net
- nus.c.shop.nintendowifi.net
- c.shop.nintendowifi.net
- cbvc.cdn.nintendo.net
- cbvc.nintendo.net
