Valid Addresses for Ethernet Segment in Figure 2.2

TABLE 2 . 8 Valid Addresses for Ethernet Segment in Figure 2.2
3rd Octet
128 64 32 16 8 4 2 1
4th Octet
128 64 32 16 8 4 2 1
Decimal IP Address
(Last 16 bits in bold)
Subnet mask 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 255.255.255.0
Subnet 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 172.16.1.0
First IP in range 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 1 172.16.1.1
Last IP in range 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 0 172.16.1.254
Broadcast 0 0 0 0 0 0 0 1 1 1 1 1 1 1 1 1 172.16.1.255