Subnet Calculator

Calculate subnet masks, CIDR notation, IP ranges, network and broadcast addresses.

Enter IP with CIDR notation (e.g., 192.168.1.0/24) or just IP
Results
IP Address
Network Address
Broadcast Address
Subnet Mask
Wildcard Mask
CIDR Notation
First Usable IP
Last Usable IP
Total Hosts
Usable Hosts
IP Class
IP Type
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