Strange referral string in logs

[Tastatura]

When someone visits my pages I try to log referral string. This is what showed up (examplefied and kwd-efied :) , but 127.0.0.1 is real part of the string )
[127.0.0.1:4664...]

is this someone redirecting from their local machine? why / what would be the purpose? or ...?

"Connecting" IP address seem to be residential AT&T subscriber. This same computer (same cookie id and same IP) found my site through G search day before above entry, then cam back the next day through G search again (to the same page), three hours later it comes back again and I see above entry, and, 7 seconds later hits the same page again from G SERPS with very similar search query.
I am just trying to understand user behavior here ....

[Tastatura]

bumpity bump