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What is the smallest subnet you can create on AWS in VPC?

I want to limit the number of instances that can run on a subnet to the smallest number of possible instances. This, combined with the IAM role, will allow me to limit the number of instances that a user can create on my AWS account (see https://forums.aws.amazon.com/thread.jspa?threadID=174503 requirement # 4, which reflects my motives).

What is the smallest subnet you can create on AWS in VPC and what will happen to IPv4 CIDR?

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16 IP is the smallest range for a VPC - subnet /28.

, VPC CIDR 10.0.0.0/26, 64 IP- 10.0.0.0 - 10.0.0.63.

4 , 16 IP-, CIDR VPC:

10.0.0.0/28   (10.0.0.0  - 10.0.0.15)
10.0.0.16/28  (10.0.0.16 - 10.0.0.31)
10.0.0.32/28  (10.0.0.32 - 10.0.0.47)
10.0.0.48/28  (10.0.0.48 - 10.0.0.63)

. . @sqlbot. 16 .

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Source: https://habr.com/ru/post/1668327/

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