Subnet
Calculator
VPC / CIDR
Split a CIDR block into smaller prefixes — how many /28s fit in a /24, every resulting subnet, and a Terraform-ready export.
Calculator
CIDR splits
Quick reference
VPC
CNI: Prefix Delegation
EKS / Networking
Work out pod IP capacity, ENI limits, /28 block alignment, and watch a subnet fragment as nodes scale.
Calculator
ENI & IPs
Live simulation
AWS
Backup Deep Dive
Storage / DR
How Vaults, Plans, Jobs, Copy Jobs and Restore Jobs fit together — with Vault Lock, lifecycle and monitoring.
Architecture
Diagrams
CLI examples