Find your IP, look up any address, ping, traceroute, scan ports, and calculate subnets.
See your public IP address, location, ISP and ASN.
Geolocation, ISP, ASN and reverse DNS for any IPv4 or IPv6 address.
Test reachability and round-trip latency to a host.
Trace the network path packets take to reach a host.
Check whether a TCP port is open and reachable from the internet.
Calculate network, broadcast, host range and mask from a CIDR.