Lefteris Manassakis

Network Engineer | Researcher | Founder


Technical Leader at Cisco ThousandEyes. Co-founder of Code BGP (acquired by Cisco).


Computer Science degree from the Hellenic Open University, and Post Graduate Certificate in Information Security from Royal Holloway, University of London.

Work Experience

I have worked for 20+ years as a network/systems engineer for many companies and organizations. Prior to founding Code BGP, I worked at the Foundation for Research and Technology - Hellas (FORTH) as a research engineer, and a member of the INSPIRE research group.


I love human communication, used to be a radio show host. Sports fan, especially basketball, tennis and MMA. Enjoy reading Scandi Noir novels and watching gangster movies.


I have co-authored 5 peer-reviewed publications in leading networking conferences and journals. My research interests include Internet routing, Internet measurements, routing security and network automation.

blog posts

Selection of blog posts related to routing security and our work at Cisco ThousandEyes and Code BGP.


Conference Presentations

ThousandEyes BGP Monitors, NetUK 1, London, July 9 2024.

Bogons Observatory, NANOG 88, Seattle, June 12 2023.

Bogons Observatory (Lightning Talk), RIPE 86, Rotterdam, May 23 2023.

BGP Security, UKNOF 51, Manchester, April 4 2023.

BGP Security, DKNOG 13, Copenhagen, March 9 2023.

BGP Zombies, NANOG 87, Atlanta, February 15 2023.

ARTEMIS: BGP Prefix Hijacking Demo, RIPE 85, Belgrade, October 26 2022.

ARTEMIS: Intro & Updates, RIPE 85, Belgrade, October 25 2022.

Code BGP Platform - Intro & Demo, GRNOG 13, Athens, September 29 2022.

Academic Panel, ONOS Build, Seoul, September 21 2017.


In Defence of BGP, RIPE Labs Podcast, May 18 2023.

Code BGP, Routing Table Podcast, September 26 2022.


Nikolaou Plastira 100
Science and Technology Park of Crete
Foundation for Research and Technology - Hellas
Heraklion, Crete, 70013