Yes, you can enjoy Kubernetes’ flat address space without using a lot of IP addresses.

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Learn how to reduce IP usage while maintaining a flat network structure in Google Kubernetes Engine (GKE). Discover the recommended IP ranges for Node IPs and Pod IPs in GKE and how to utilize IP masquerading for on-prem destinations.

Best practices for Kubernetes Pod IP allocation in GKE

Have your 10.0.0.0/8 space utilization and eat it too