6 Calculators

Networking & IT

Explore our complete collection of tools specifically curated in this category.

Calculate network address, broadcast, host range, wildcard mask from IP and subnet.

Convert IP addresses between decimal, binary, hexadecimal, and integer formats.

Estimate transfer time from file size and speed, or calculate required bandwidth.

Plan VLAN subnets with VLSM allocation for departments and segments.

Search TCP/UDP port numbers by port or service name.

Convert DNS TTL between seconds and human-readable time with common presets.