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Subnet Calculator

Calculate subnet information, IP ranges, and network details from CIDR notation

CIDR Notation:

Quick Examples:

Network Information

Network Address:

Broadcast Address:

Subnet Mask:

Wildcard Mask:

Address Range

First Host:

Last Host:

Total Addresses:

Usable Hosts:

Network Class & Type

IP Version:

Network Class:

Network Type:

CIDR Prefix: /

Binary Representation

Network (Binary):

Subnet Mask (Binary):

Subnet Visualization