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IP Subnet Calculator Pro

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Network Prefixes and Subnet Information

Prefix size Network mask Usable hosts per subnet

Bandwidth Calculator

Calculate transfer times and bandwidth conversions

Subnet Overlap Checker

Check if two subnets overlap (useful for VPN planning, mergers, VLAN design)

Route Summarization Calculator

Aggregate multiple networks into a single summary route (for OSPF/BGP)

MAC Address Converter

Convert between different MAC address formats

IP Address Planner

Divide a subnet into logical allocation zones

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IP Subnet Calculator

Ultimate Network Planning Tool

FG

Faruk Guler

SysAdmin & Author

🌍 farukguler.com GitHub

Built with ❤️ for Network Engineers

Version 3.4 | © 2025