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Network Tools

Subnet calculator for IPv4/IPv6, SSH config file generator with common patterns, and an .htaccess rule builder. Three tools every sysadmin reaches for weekly.

100% Free · No limits

Network Tools

Subnet calculator, port reference guide, and client info — all in one place. Everything runs in your browser, nothing sent to a server.

Presets:
Network Address192.168.1.0
Broadcast Address192.168.1.255
First Usable Host192.168.1.1
Last Usable Host192.168.1.254
Total Usable Hosts254
Subnet Mask255.255.255.0
Wildcard Mask0.0.0.255
CIDR Prefix/24
Subnet Calculator
Calculate network addresses, broadcast addresses, host ranges, and subnet masks from CIDR notation instantly.
Port Reference
Quick-search 45+ common ports with protocol, service name, and description. Perfect for firewall rules and troubleshooting.
100% Client-Side
Your data never leaves your browser. No server calls, no logging, no tracking. Completely private.

How to Use Network Tools

Calculate subnets, generate SSH configs, and build .htaccess rules with The IT Hustle's free Network Tools.

  1. 1
    Choose a toolSelect between the Subnet Calculator, SSH Config Generator, or .htaccess Builder tabs.
  2. 2
    Enter your parametersFor subnets: enter an IP and CIDR. For SSH: enter host details. For .htaccess: select your redirect rules.
  3. 3
    Review the outputView calculated results, generated config files, or .htaccess rules with explanatory comments.
  4. 4
    Copy or downloadCopy the output to your clipboard or download as a config file.

Frequently Asked Questions

Yes. The calculator supports both IPv4 and IPv6 CIDR notation, showing network address, broadcast address, usable host range, and total hosts.

Yes. Add multiple hosts and the tool generates a complete ~/.ssh/config file with all your server connections organized.

Common rules include HTTP-to-HTTPS redirects, www/non-www canonicalization, custom error pages, and IP blocking. All rules include comments explaining what they do.

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