Overview
Gets the routers WAN IP using the NAT Port Mapping Protocol (NAT-PMP). The NAT-PMP protocol is supported by a broad range of routers including:
Apple AirPort Express
Apple AirPort Extreme
Apple Time Capsule
DD-WRT
OpenWrt v8.09 or higher, with MiniUPnP daemon
pfSense v2.0
Tarifa (firmware) (Linksys WRT54G/GL/GS)
Tomato Firmware v1.24 or higher. (Linksys WRT54G/GL/GS and many more)
Peplink Balance