Cybersecurity Handy Tools

Network Tools

IPv4/IPv6 utilities, MAC helpers, and quick math — client-side

Handy network utilities for students and SOC engineers. All processing runs in your browser — no data is uploaded.

CIDR

Network: 192.168.1.0

Broadcast: 192.168.1.255

First host: 192.168.1.1

Last host: 192.168.1.254

Netmask: 255.255.255.0

Total hosts: 254