Mikrotik Yandex IP list
/ip firewall address-list add list=Yandex address=5.45.192.0/18
/ip firewall address-list add list=Yandex address=5.255.192.0/18
/ip firewall address-list add list=Yandex address=37.9.64.0/18
/ip firewall address-list add list=Yandex address=37.140.128.0/18
/ip firewall address-list add list=Yandex address=77.88.0.0/18
/ip firewall address-list add list=Yandex address=84.252.160.0/19 
/ip firewall address-list add list=Yandex address=87.250.224.0/19
/ip firewall address-list add list=Yandex address=90.156.176.0/22
/ip firewall address-list add list=Yandex address=93.158.128.0/18
/ip firewall address-list add list=Yandex address=95.108.128.0/17
/ip firewall address-list add list=Yandex address=141.8.128.0/18
/ip firewall address-list add list=Yandex address=178.154.128.0/18
/ip firewall address-list add list=Yandex address=185.32.187.0/24
/ip firewall address-list add list=Yandex address=213.180.192.0/19