IPConfig (aka IFConfig) displays full information on all network adapters. Excellent graphical interface and instantaneous data update

- IP address (or IP addresses if there are several networks)
- All used DNS servers
- External IP addresses (WAN IP)
- Name of the wireless network (SSID)
- MAC address
- Gateway address
- Network Signal Level

When the network is connected/changed the data is updated automatically and all information can be saved in notes or sent to a messenger.