Use VPC IP Address Manager to manage subnet CIDRs
Networking & Content Delivery Blog
This article discusses the new subnet allocation feature in Amazon VPC IP Address Manager (IPAM) that allows you to manage and monitor IP address allocations for your VPC's subnets.
Specifically, the article covers:
- Overview of VPC IPAM and how the subnet allocation feature fits into the hierarchical IP addressing plan
- Use cases for the subnet allocation feature, including allocating subnet CIDRs in shared VPCs, multi-VPC environments, and EKS clusters
- Step-by-step instructions for creating Subnet Pools and allocating CIDRs to subnets, considering two scenarios: when the VPC is managed by IPAM, and when it's not
- Things to know, such as integration with AWS Organizations, auto-importing existing subnets, and pricing
- Conclusion highlighting the benefits of this feature for IP address planning and monitoring at the subnet level
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