Ubuntu

Binary package “ndiff” in ubuntu focal

  1. Focal (20.04)
  2. ndiff

The Network Mapper - result compare utility

 Ndiff is a tool to aid in the comparison of Nmap scans. It takes two
 Nmap XML output files and prints the differences between them them:
 hosts coming up and down, ports becoming open or closed, and things like that.
 It can produce output in human-readable text or machine-readable XML formats.

Source package