With DE-CIX Munich having an upcoming migration to accommodate for new members, we’re up against the challenge to re-address all our peering sessions. Approach As I’m both lazy and not that good at programming, I quickly jump to for loops and usage of awk.Of course there’s more elegant ways, but I know it works well, and it’s easier to understand and read. Given the information by DE-CIX, the migration is from 80.81.202/24 to 185.1.208.0/23.As there’s nothing on the upper /24, we don’t need to account for that in this migration. Deleting the old peers The command we’ve used is as