AWS Networking Mastery
Master AWS networking from CIDR basics through VPC design, subnet planning, security groups, and cost optimization. Hands-on practice with real tools at every step.
- 1Article~8 minStep 1 of 7
CIDR Notation Explained: A Visual Guide
Start with the fundamentals. Understand CIDR notation, subnet masks, and IP address planning with visual examples and practical VPC use cases.
Read article - 2Tool~10 minStep 2 of 7
VPC CIDR Calculator
Use this interactive calculator to plan VPC address ranges, split CIDR blocks, and see how many usable IPs each block provides.
Open tool - 3Tool~15 minStep 3 of 7
Subnet Planner
Design multi-AZ subnet layouts for your VPC. Allocate public, private, and database subnets across availability zones.
Open tool - 4Tool~10 minStep 4 of 7
CIDR Overlap Checker
Paste multiple CIDR blocks and instantly detect overlaps. Essential when peering VPCs or connecting to on-prem networks.
Open tool - 5Tool~12 minStep 5 of 7
Security Group Rule Linter
Lint your security group rules for overly permissive access, missing descriptions, and common misconfigurations.
Open tool - 6Tool~10 minStep 6 of 7
NAT Gateway Cost Estimator
Estimate NAT Gateway costs based on data processing volume and hourly charges. Understand the hidden costs of outbound traffic.
Open tool - 7Guide~25 minStep 7 of 7
AWS Networking Deep Dive
Tie it all together with this comprehensive guide covering VPC architecture, transit gateways, PrivateLink, and advanced networking patterns.
Read guide
Complete all 7 steps to finish this learning path
Work through each step in order for the best learning experience. Each step builds on the previous one.