Pihole Not Working on Other Devices using a ZyXEL router - Help - Pi-hole Userspace
GitHub - sfordinc/change-ip-zyxel-router: This script will help you to automatically change the ip address on the ZYXEL routers, if your provider provides both NAT-ranges, and external IP addresses.
IP Address 101 and How to Master Yours | Dong Knows Tech
ZyXEL - Router Setup (Public IP Range) | PeteNetLive
How to Port Forward a ZyXEL Router | Support | No-IP Knowledge Base
Default Router IP Address List For Common Wireless Router Brands