Here are some links to help with the identification of different D-Star reflectors.
Sessions for the W9PIA repeater
Who has been on the W9PIA repeater in the last 14 days
A listing of different D-Star Reflectors
What reflector is the W9PIA D-Star repeater linked to?
Who is connected to Reflector 30?
Most recently heard D-Star users log
D-PRS activity (APRS for D-STAR)
World Wide D-Star Gateway Status
W9PIA D-Star Gateway Status
Status of all D-Star Gateways
Check your Callsign to see the status of your registration
List of weekly world wide D-Star nets .