Malwarebytes

I am getting messages from Malwarebytes that it is blocking outgoing messages. Here is today’s log:

11:41:26               Andrew                MESSAGE            Protection started successfully
11:41:35               Andrew                MESSAGE            IP Protection started successfully
11:42:18               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:20               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:25               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:29               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:31               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:35               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:47               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:49               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:53               Andrew                IP-BLOCK             89.28.126.134 (Type: outgoing)
11:42:59               Andrew                MESSAGE            IP Protection stopped
11:42:59               Andrew                MESSAGE            Scheduled update executed successfully
11:43:04               Andrew                MESSAGE            Database updated successfully
11:43:06               Andrew                MESSAGE            IP Protection started successfully
12:41:56               Andrew                IP-BLOCK             78.26.187.2 (Type: outgoing)
12:41:57               Andrew                IP-BLOCK             78.26.187.2 (Type: outgoing)
12:42:01               Andrew                IP-BLOCK             78.26.187.2 (Type: outgoing)

The first IP address is in Moldova, the second in Ukraine … which  makes me very suspicious! But a scan has not revealed anything untoward. Should I be worried?