@Le_Bleu
Block the ISP via their ASN number.
AS details for 240e:f7:4f01:c::3 :-
route6: 240E::/24
descr: China Telecom
origin: AS4134
mnt-by: MAINT-CT-GNOC
changed: dougd@chinatelecom.cn 20180820 #08:22:54Z
source: RADB
route6: 240e::/20
descr: CHINANET-IPv6-ROUTE
origin: AS4134
mnt-by: MAINT-CHINANET
last-modified: 2018-08-21T08:05:25Z
source: APNIC
Monday, 3 February 2020 at 18:41:09 Greenwich Mean Time
Screenshot 2020-02-03 at 18.43.10.png