What does CIDRHub offer?
A cloud CIDR calculator, subnet planner, learning content, and cloud networking references.
Contact us
Get in touch
Have a question about CIDRHub, cloud subnetting, AWS VPC, Azure VNet, Google Cloud VPC, or Kubernetes networking?
Get in Touch
Fill out the form and your message will be sent to the CIDRHUB team.
Contribution
Support CIDRHUB learning
Scan the QR code to contribute and support more cloud CIDR, subnetting, and networking learning content.
FAQ
Common contact questions.
Answers can be adjusted later as CIDRHub finalizes services, pricing, and delivery regions.
Can you help with subnet planning?
Yes. You can use the form for AWS, Azure, GCP, or Kubernetes address planning questions.
Can learning content be customized?
Yes. CIDRHub content can be shaped for students, teams, certification learners, and junior engineers.
Where is the contact data stored?
Production submissions are handled by the configured CIDRHUB backend. Local testing stores submissions in data/cidrhub.db.