IP blacklist check, whois lookup, dns lookup, ping, and more!
Calculate IPv4/IPv6 network details
mrpanos.com is a small collection of free network diagnostic tools, built for quick, no-nonsense checks without needing an account or handing over any data.
Each tool runs on its own lightweight backend and pulls from public data sources (IP geolocation, DNSBL lists, domain registries, and direct network checks). Nothing you search is stored or tracked.