Sundial is a CMAND project to leverage ICMP timestamps for network inference.

Papers:

• Sundials in the Shade: An Internet-wide Perspective on ICMP Timestamps
  Erik C. Rye and Robert Beverly
  Proceedings of Passive and Active Measurement (PAM 2019) Conference,
  Puerto Varas, CL, March 2019.

• Sundials in the Shade, PAM2019

• Zmap Sundial module

• Packet captures and meta-data from PAM2019 paper: sundial.tar.bz2