Network & Speed Tools

Free online network tools — IP lookup, DNS lookup, subnet calculator, speed test, ping test and more.

My IP AddressFind your public IP address and location. DNS LookupLook up DNS records (A, MX, TXT, NS) for any domain. WHOIS LookupLook up domain registration and owner info. Subnet CalculatorCalculate subnets, network ranges and CIDR notation. IP Address ConverterConvert IP addresses between decimal, hex and binary. Internet Speed TestTest your download, upload speed and ping. Ping TestTest server response time and latency. Port Checker ReferenceReference guide for common network ports and services. HTTP Status Code ReferenceLook up HTTP status codes and their meanings. Bandwidth CalculatorCalculate data transfer time by file size and speed. Download Time CalculatorCalculate how long a download will take.