ipconfig-program

ipconfig-program is a variable defined in `net-utils.el'.
Its value is

"ifconfig"

• This variable is an alias for `ifconfig-program'.
• This variable is obsolete since 22.2;
  use `ifconfig-program' instead.
• This variable may be risky if used as a file-local variable.

Documentation:
Program to print network configuration information.

You can customize this variable.