Skip to content
#

cidr-subnet

Here are 2 public repositories matching this topic...

Browser-based network engineering toolkit. Visual subnet calculator with split/join, IPv6, CIDR↔mask conversion, ACL wildcards, range→CIDR summarization, VLSM planning, and overlap checks. 100% client-side, no tracking, no install.

  • Updated Jun 16, 2026
  • JavaScript

CidrPlan is a lightweight, browser-based IPv4 subnet planning tool that lets you interactively design and manage network address spaces. Split larger blocks into smaller subnets, merge them back together, name your networks, and export your plans in multiple formats—all without leaving your browser.

  • Updated Jan 29, 2026
  • JavaScript

Add this topic to your repo

To associate your repository with the cidr-subnet topic, visit your repo's landing page and select "manage topics."

Learn more