Samsung TV E-Manual page 506

four parts, separated by periods
(111.222.333.444). If your TV and PC
are in the same subnet, the first 3
parts of the TV IP address and the
PC IP address (111.222.333) will be
the same and only the last part (the
host address) will be different.
The following AllShare Play functions
are not supported when you are playing
media from a PC connected through a
network:
Meijer.com