What does the log line mean, is it worth worrying about?

Question

Journaling

Good day, tell me what it can be and is it worth worrying about?
Access_log entry:
site.ru 178.137.161.164 - - [06/Feb/2017:10:06:52 +0300] "GET /dizayn/ HTTP/1.0" 200 31128 " pushkino.xxxrus.org " "Mozilla/4.0 ( compatible; MSIE 6.0; Windows NT 5.1; ru) Opera 8.50"

Answer 1

not worth it, it's anything from spam to the old owner of the IP address