$subnet-calc --ip 10.x.x.x --cidr /24

IPv4 Subnet Calculator

Enter your IP address and select a CIDR prefix length to instantly calculate your subnet mask, network address, broadcast address, usable host range, and wildcard mask for any IPv4 subnet. Get complete IP subnetting details including network class, total addresses, and binary representations — all in one click.

Input Parameters

IP Address

CIDR / Prefix Length

Quick Reference

/24254 hosts

/25126 hosts

/2662 hosts

/2730 hosts

/302 hosts

Critical Network Information

KEY VALUES

Network Address
-

First Usable IP
-

Last Usable IP
-

Default Gateway
-

Broadcast Address
-

Usable Hosts
-

Network Details

Input IP-

CIDR Notation-

Subnet Mask-

Wildcard Mask-

Total Addresses-

IP Class-

IP Type-

Binary View

Network (Binary)

Subnet Mask (Binary)

Broadcast (Binary)

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