IP Subnet Calculator
Calculate network address, broadcast IP, usable host range, and subnet mask from IPv4 CIDR blocks.
Network Input
IPv4 Address & CIDR Prefix
192.168.1.0/24 — Private Network (RFC 1918 — 192.168.0.0/16)
Host range spans from 192.168.1.1 to 192.168.1.254 (254 usable hosts).
32-Bit Binary Map (24 Network Bits / 8 Host Bits)
1 1 0 0 0 0 0 0. 1 0 1 0 1 0 0 0. 0 0 0 0 0 0 0 1. 0 0 1 1 0 0 1 0
■ Network Prefix (24 bits) ■ Host Identifier (8 bits)
Calculated Boundaries
Subnet Breakdown
192.168.1.0/24 Network CIDR
192.168.1.255 Broadcast Address
192.168.1.1 First Usable Host
192.168.1.254 Last Usable Host
255.255.255.0 Subnet Mask
0.0.0.255 Wildcard Mask (ACL)
254 Usable Hosts (256 total)
Class C Classful Designation
0xC0A80132 Hexadecimal IP
3232235826 32-bit Unsigned Integer
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