'Choosing a CIDR Block

I am new to AWS and learning about IP addresses and CIDR Block. i am reading that we should choose a CIDR Block according to our needs.

my Question is :- why can\t we just use a CIDR Block like 192.168.0.0/16 which encompasses so many ip addresses in for every VPC? does it give some overhead or some performance problem or is it paid?

thanks

vpc

Solution 1:^[1]

It’s perfectly ok to use 192.168.0.0/16 VPC cidr block as it’s private cidr block. Also there is no performance overhead or no payment need to be made.

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Solution 1	Manmohan Mittal

'Choosing a CIDR Block

Solution 1:[1]

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Solution 1:^[1]