WireGuard Allowed IPs Calculator

This Node.js script calculates allowed IPs for WireGuard configurations by allowing and disallowing specified networks.

Usage

Run the script with Node.js v22:

node main.js [options]

Options

• -a <networks>: Comma-separated list of allowed networks (e.g., 192.168.1.0/24,10.0.0.0/8). Defaults to 0.0.0.0/0 if not specified.
• -d <networks>: Comma-separated list of disallowed networks.
• -e: Use preset to exclude local networks (10.0.0.0/8, 127.0.0.0/8, 169.254.0.0/16, 172.16.0.0/12, 192.168.0.0/16).
• -h: Show help message.

Examples

# Allow all, disallow local
node main.js -e

# Specific allowed and disallowed
node main.js -a 192.168.0.0/16 -d 192.168.1.0/24

Requirements

• Node.js v22 or later

License

This project is distributed under the Schrödinger’s Rubber Duck License (SRDL)