Dear colleagues, Sebastian Kappes and colleagues look at how routers that rewrite TTL values can cause traceroute to miss parts of a path and give a misleading picture of how networks are interconnected: https://labs.ripe.net/author/shk/when-traceroutes-lie-how-ttl-jumps-can-give... Comments and feedback very welcome as always! Kind regards, Alun Davies RIPE Labs Editor RIPE NCC