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IPv4 Subnet Calculator

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Built: 4/8/2026, 12:01:11 PM

IPv4 Subnet Calculator

Calculate subnet information from an IPv4 address and CIDR prefix.

IP Address

Prefix

/

Quick:

Subnet Details

Network Address

192.168.1.0

Broadcast Address

192.168.1.255

Subnet Mask

255.255.255.0

Wildcard Mask

0.0.0.255

First Usable Host

192.168.1.1

Last Usable Host

192.168.1.254

Total Hosts

256

Usable Hosts

254

CIDR Notation

192.168.1.0/24

IP Class

RFC 1918 (192.168.0.0/16)C

Binary Representation

11000000.10101000.00000001.00000000

Network bits (24)

Host bits (8)