Do not seem able to keep cybercrime gang from hosting in this range:
History:
SBL523735 212.109.194.37 ispserver.com 2021-06-02 Credit card fraud gang hosting (DNS): idinaxui-netspama.ru (vmad.su / amazingdumpsshop.ru / cvv-fullz-shop.ru etc.)
SBL523684 212.109.194.136 ispserver.com 2021-06-01 FastFlux hosting provider — who use hacked servers to host malware, phish, etc.
SBL523633 212.109.194.87 ispserver.com 2021-06-01 FastFlux hosting provider — who use hacked servers to host malware, phish, etc.
SBL523632 212.109.194.31 ispserver.com 2021-06-01 Credit card fraud gang hosting (DNS): idinaxui-netspama.ru (vmad.su / amazingdumpsshop.ru / cvv-fullz-shop.ru etc.)
SBL523629 212.109.194.68 ispserver.com 2021-06-01 Carding fraud site/forum DNS: kak-prigotovit-spagetti.ru (ccst0re.ru / yalelodge-shop.com / sky-fraud.su etc.)
SBL523599 212.109.194.29 ispserver.com 2021-06-01 Credit card fraud gang hosting (DNS): idinaxui-netspama.ru (vmad.su / amazingdumpsshop.ru / cvv-fullz-shop.ru etc.)
SBL506649 212.109.194.170 ispserver.com 2020-12-29 Credit card fraud domain hosting: mycardriveng.ru (fullz.su / lampeduza.su / carding-planet.ru / street.ru.com etc.)
SBL465157