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    ApsaraMQ for Kafka:Do I have to select the 172.16.0.0/12 CIDR block for the classic network?

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    ApsaraMQ for Kafka:Do I have to select the 172.16.0.0/12 CIDR block for the classic network?

    Last Updated:Mar 11, 2026

    No. The 172.16.0.0/12 CIDR block is not required for the classic network, but it provides the simplest configuration.

    For other supported CIDR blocks, see VPC overview.