One group,Identity Evropa, is esp. assiduous about this. They are responsible for ~48% of all the targeting and have been identified as a hate group by the SPLC. Representatives from this groups attended CPAC and the infamous rally in Charlottlesville. They, of course, dispute that they are a hate-group and maintain that they are meant to encourage Europeans to advance a sense of pride (and superiority) in their culture. (N. b.-this apples only to certain Europeans, you understand. No stinking Italians, Croats, Macedonians, etc. need apply! And if you're Jewish....)
I'm guessing these groups are being funded from somewhere. It makes me wonder if it's the CIA. They would do something like that.
From what I've heard; Britain First; a far right group in the UK is funded by a right wing Christian group in the United States.