Question : VLSM Calculation

Hi;

I am calculating the following subnet of 136.199.0.0/16 with using VLSM but I got the last 2 network for WAN link incorrect but the result of last two networks should be 136.199.240.4/30 and 136.199.240.8/30.  Can anyone point out why?

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vlsm

Answer : VLSM Calculation

/30 represents 4 IP address two useable.
0-3 etc.
If "Your Address" is what you selected, you interpreted /30 as /22 136.199.240/22 will have the next segment as 136.199.244.0
Are you supposed to account for every IP in the block?