Network Tools

Free online tools for network engineers and IT professionals.

Available Tools

Explore our collection of network engineering calculators and utilities.

IPv4 Subnet Calculator

IPv4 Subnet Calculator

Calculate IPv4 network addresses, subnet masks, broadcast addresses and usable host ranges. Supports CIDR notation and subnet analysis.

IPv6 Subnet Calculator

IPv6 subnet Calculator

Analyze IPv6 addresses and prefixes, calculate network ranges and explore IPv6 subnet allocation.