Specifies a subnet mask for the IPv4 address specified in IPC.AddRoute[x].DestinationAddress. For more information, refer to Configuring IPv4 Ethernet connections.
IPC.AddRoute[x].Mask = subnet_mask
x = index of the route entry
Read/Write
IP mask
255.255.255.255
Valid subnet mask.
IPC.AddRoute[1].Mask = 255.255.255.0