Plan
Use CIDR, VLSM, visual subnetting, and route summarization to shape address space.
AdeOS interactive tools
Free Network Tools: IPv4, IPv6 & Subnet Calculators
Plan, validate, compare, and export networks with practical tools for day-to-day network engineering.
A free collection of IPv4, IPv6, CIDR, VLSM, BGP, DHCP, NAT, and subnet-planning tools.
Audit
Check overlap, compare ranges, validate addresses, and prepare reverse DNS.
Implement
Generate DHCP, NAT, BGP, wildcard-mask, and export-ready configuration inputs.
All calculators
- Free IPv4 & IPv6 CIDR Calculator
- VLSM Calculator for Subnet Planning
- Supernet & Route Summarization Calculator
- Visual Subnet Designer
- Subnet Conflict & Overlap Scanner
- Subnet Comparison Tool
- RFC 2317 Reverse DNS Generator
- BGP Prefix Calculator
- NAT Pool Size Calculator
- DHCP Scope Generator
- IP Range to CIDR Converter
- Cisco Wildcard Mask Calculator
- Network Configuration Export Generator
- Subnetting Cheat Sheet & CIDR Reference
- IP Address Validator
- IPv4 Address Format Converter
- MAC to EUI-64 Converter