Nping is a tool for network packet generation, response
analysis and response time measurement. Nping allows to generate network
packets of a wide range of protocols, letting users to tune virtually
any field of the protocol headers. While Nping can be used as a simple
ping utility to detect active hosts, it can also be used as a raw packet
generator for network stack stress tests, ARP poisoning, Denial of
Service attacks, route tracing, etc.