gives a list of strings specifying the current IP addresses associated with the computer on which the Wolfram System is being run.
- $MachineAddresses gives if no network address is defined, so that the computer is effectively "off line".
- $MachineAddresses will typically give a list with one element for each network adapter on your computer.
- If a network configuration is changed, the value of $MachineAddresses may change during the course of a single Wolfram System session.
Introduced in 2007