It may be posible to get IP address of a WSD ports, with these commands:

Get-PrinterPort | select name,deviceurl

Or this if you know the port name of the wsd

Get-PrinterPort -name <WSDNAME> | fl

Example:

Get-PrinterPort -name WSD-b8d8b02e-7983-4937-a01a-582a395c7914.006a | fl