This host (18.26.0.158, located at MIT CSAIL) is sending ICMP as part of an Internet measurement research survey. These are harmless packets that are helping us to better understand macro Internet characteristics. However, if you'd like your IP address(es) added to our blocklist, please email us and we'll remove you immediately.

FAQ:

  1. What traffic are you sending? We're sending ICMP type 69 packets.
  2. Who? This project is a joint effort between MIT ANA and CMAND.
  3. You suck, I want out. Of course. While our project is designed to do no harm, we certainly understand. Simply email us with your IP netblock and we'll remove you immediately.
  4. MIT Point of Contact: Steve Bauer