Hi,

Can someone remind the formula or point in the right direction how to in easy way subnet class A, just need to find specific subnet for example 10.0.0.0/16 to estimate what will be subnet 420 or 500. Need the shortcut to in easy way find X subnet to do VLSM on them.

as that one is not very clear for me and can not understand this one:

Nth subnet = (N - 1) / (2^s) = X.Y

where:

N is the subnet you wish to find

S is the number of subnet bits in the "interesting" octet

X = the new number for the 2nd octet

Y * 256 = the number in the interesting octet

Thanks

Can someone remind the formula or point in the right direction how to in easy way subnet class A, just need to find specific subnet for example 10.0.0.0/16 to estimate what will be subnet 420 or 500. Need the shortcut to in easy way find X subnet to do VLSM on them.

as that one is not very clear for me and can not understand this one:

Nth subnet = (N - 1) / (2^s) = X.Y

where:

N is the subnet you wish to find

S is the number of subnet bits in the "interesting" octet

X = the new number for the 2nd octet

Y * 256 = the number in the interesting octet

Thanks

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