CIDR First Ip- IpV4

while assigning CIDR block for subnets created for VPC (Aws cloud) the CIDR block overlapping the CIDR block in of other subnet As per my understanding the first ip of CIDR will start with So how it is overlapping. Thanks in advance!!!

1 answer

  • answered 2021-09-22 17:19 Mark B

    You aren't taking the different mask bits (20 vs 24) into account.

    CIDR Block address range: -

    CIDR Block address range: -

    I suggest using a tool like this to help visualize your CIDR blocks.

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