Subnet / CIDR Calculator 📡

Enter an IP address and CIDR suffix and instantly get all the subnet details - network and broadcast addresses, usable host range, and more.

IP Address and CIDR Suffix:

Network Address
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Broadcast Address
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Subnet Mask

Wildcard Mask

First Usable Host

Last Usable Host

Total Addresses

Usable Hosts

IP Class

CIDR

📋 Quick Reference - Common CIDR Suffixes

CIDR	Subnet Mask	Usable Hosts	Common Use

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