Network Tools
A privacy-first network toolkit — check your public IP and latency, calculate IPv4 subnets and CIDR ranges, look up the vendor behind any MAC address from the full IEEE registry, and parse any URL into its components. Everything runs in your browser with no install.
What Is My IP & Network Tester
See your public IP, connection profile and latency metrics.
Subnet Calculator
Calculate network, broadcast, host range and split any CIDR block.
MAC Address Analyzer
Identify the vendor and decode any MAC address — OUI, cast and UAA/LAA.
URL Parser & Query Inspector
Break any URL into its parts and inspect every query parameter.
Popular network tools tasks
Jump straight to a tool already set up for the job.