Networking toolset
Network tools for subnet math, CIDR review, DNS work, IP cleanup, and infrastructure workflows
This networking tools hub groups practical browser-based utilities for subnet planning, CIDR notation, ports, DNS record review, Nmap workflow support, IP conversion, and MAC formatting.
Subnet Calculator
Calculate masks, ranges, and usable hosts.
CIDR Calculator
Review CIDR blocks, masks, and address counts.
Common Port Reference
Look up well-known ports and protocols quickly.
DNS Record Reference
Review A, AAAA, CNAME, MX, TXT, and more.
DNS Record Builder
Build starter A, CNAME, TXT, and MX records for DNS setup, hosting moves, and email workflows.
DNS Propagation Explainer
Understand TTL, caching, and propagation timing.
Nmap Command Builder
Build structured Nmap commands for legal lab workflows.
IP to Integer Converter
Convert IPv4 addresses into integer form and back for scripts, logs, and infrastructure review.
MAC Address Formatter
Normalize MAC addresses into common output styles for network inventory and documentation.
Best next steps
Explore gear pages
Connect network utilities to routers, adapters, boards, and home lab hardware.
Home lab starter path
See how network tools fit a fuller learning environment.
Home Lab Guide
Move from quick tools into a more structured setup path.
Linux Permission Calculator
Useful alongside Linux, router, Raspberry Pi, and infrastructure workflow tasks.