Hello Matthias,

 MH> Around 1995, there was a thing called "Zonelist" where
 MH> othernet-operators were "obliged" to register their zone number to
 MH> prevent unwanted network mixups. It there still such a thing?

I have a vague recollection of that but I don't think there is anything like that anymore.

This link might be helpful, it is a google sheet that folks can update if they like.

https://bit.ly/3gJTQks

 Ttyl :-),
         Al

--- GoldED+/LNX 1.1.5-b20180707