Subnet Calculator

Fast IPv4 calculations for production networks, stage infrastructure and SQQ10-oriented documentation.

Need a refresher on how IPv4 addresses, CIDR and subnet masks work?

Relevant standard: IGVW SQQ10 This calculator supports documentation and training-oriented network planning; it is not official IGVW certification.

Official IGVW SQQ10

Input

IPv4 Address or CIDR CIDR Prefix Subnet Mask

Host Requirement Helper

Usable hosts needed

Network -

Host Range -

Broadcast -

Capacity -

IP Address-

CIDR-

Subnet Mask-

Wildcard Mask-

First Host-

Last Host-

Total Addresses-

Classification-

Binary View