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Overlapping CIDR ranges for subnets

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I could see three subnets having ip ranges ((172.31.0.0/20) | ap-southeast-1c, (172.31.16.0/20) | ap-southeast-1b, (172.31.32.0/20) | ap-southeast-1a). Since these have overlapping CIDR ranges, I think it's not the practice when defining CIDR ranges since connections between subnets are an issue then. Please explain.

Topics
Networking & Content Delivery
Tags
Amazon VPC
Language
English
Jehan
asked 2 months ago186 views
1 Answer
2
Accepted Answer

The CIDR ranges don't overlap.

172.31.0.0/20 is 172.31.0.0 to 172.31.15.255

172.31.16.0/20 is 172.31.16.0 to 172.31.31.255

172.31.32.0/20 is 172.31.32.0 to 172.31.47.255

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Steve_M
answered 2 months ago
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Oleksii Bebych
reviewed 2 months ago
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Riku_Kobayashi
reviewed 2 months ago

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