Is it possible to ping these IPs from your computer? 195.70.130.34, 64.246.6.135, 207.44.156.15 and 62.168.45.69

in what intervals does avast check for an open inet-connection or , if PC is online, for updates ?
avast! checks every 40 seconds if there´s connection to Internet and every 4 hours checks for new updates.
is that correct, that avast checks every couple of minutes for an internet connection (if update is set to automatic), and then tries to check for updates ?
Yes.

If you use dial-up connection only, there´s another way how to detect if the computer is connected to Internet or not. avast! can elicit the connection status from the modem status - so it will NOT ping our servers every 40 seconds. To set avast! this way, follow these steps:

  1. In Notepad, open the file AVAST4.INI
    (C:\PROGRAM FILES\ALWIL SOFTWARE\AVAST4\DATA)
  2. Find section [InetWD]. If this section doesn´t exist, create it.
  3. Into this section insert this row:
    UseRAS=1
  4. Save the file and restart your computer.

(The avast! build must be 4.0.172 or higher)