100% Client-Side Network Tool100% Client-Side Privacy

CIDR & Subnet IP Calculator

Calculate IPv4 subnet masks, usable host ranges, broadcast addresses, wildcard masks, and binary network breakdowns.

100% Client-Side & Private

All data conversions and format processing run exclusively in your browser memory. No data is stored or logged.

/24
Network Address
192.168.1.0/24
Broadcast Address
192.168.1.255
Usable Hosts254
254/ 256 total
Class & ScopeClass C
Private (RFC 1918)

Usable Host Range & Masks

First Usable Host:192.168.1.1
Last Usable Host:192.168.1.254
Subnet Mask:255.255.255.0
Wildcard (Inverse) Mask:0.0.0.255

32-Bit Binary Representation

Prefix: 24 Network Bits
IP Address (Binary)
11000000.10101000.00000001.01100100
Subnet Mask (Binary)
11111111.11111111.11111111.00000000
Network Address (Binary)
11000000.10101000.00000001.00000000
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