With Counter
Strike Server Status you can inspect any Half Life servers (any mod:
Counter Strike, Source, Day of Defeat, Condition Zero, etc) for various
informations.
You can get informations like server mod, max players, protocol
version, server type, latency, operating system and if the server is
password protected.
You can also get a full list of the players online toghether with their score and play time.
Now working for servers running on protocol 48