Question on subnet hosts

Hari IyengarHari Iyengar Member Posts: 2 ■□□□□□□□□□
Class B subnet

172. 16.0.0 = Network address
255.255.254.0= Subnet Mask

Number of hosts per subnet = 2^9 - 2(excluding subnet and broadcast address) = 510

valid subnets 0.0 2.0 4.0 ............. 254.0

For subnet 0.0
broadcast address is 1.255

valid hosts= 0.1, 0.2 ...... 0.254 1.1, 1.2 ...1.254 = 508 hosts in total.
(first host 0.1 and last host 1.254)

I'm counting only 508 hosts(254+254). Where are the remaining two hosts?

Thanks,
Hari

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