Int 63 Fn 26  - Bw-tcp - Tcpip.sys - Set Internet Address???               [N]

   AH = 26h
   CL:CH:DL:DH = Internet address

Return: nothing
Range: INT 4D to INT FC, selected by configuration

Note:  this function sets a different variable than AH=25h returns

See Also: AH=03h,AH=25h