Kops assigns 1/8 th of the CIDR to its private subnets each, and 1/64 th of the CIDR to its utility subnets.

If we create a multi AZ cluster with 1024 IPs having three zones, private Subnets would cover 1/8*1024*3 = 384 IPs utility subnets would cover 1/64*1024*3 = 48 IPs. which is 432 combined.

• which is more or less half of 1024. Why are so many IPs left unused?
• Why does kops distributes IPs this way? (1/8 the of the CIDR to private subnets in each AZ).