Network tools

Choose a calculator or lookup tool.

Calculators & lookups

IPv4 calculator Subnet, planner, splitter, masks, overlaps IPv6 calculator Subnet, planner, splitter, compress, overlaps MAC WHOIS Vendor lookup by MAC PTR generator Reverse DNS records

Diagnostics

IP info Your public IPv4/IPv6, geolocation, ASN, and rDNS WHOIS Domain and IP registration data DNS lookup A, AAAA, MX, NS, TXT and more Port scanner Check open TCP ports on a host Ping / Traceroute Latency and path from remote probes Speed test Measure download and upload speed