LEADTO
leadto displays a list of rooms that lead to the vnum specified.
It is useful for debugging exit connection issues, when you can't remember what room to set the exit back to, or any number of reasons you need to know what rooms lead to any other room.
It does not know how to search scripts for commands that create an exit to the room.
Usage:
leadto 1201
Output:
Rooms that have an exit leading to room #1201: 1202 1203 1206