/ip route print where 90.189.192.1 in dst-address and bgp
Leave off the netmask, and choose an IP in that network. You will get all routes (not just the most specific one) that match that IP.
I am well aware of the IOS command you are trying to emulate. You're not going to get IOS output on RouterOS, however, since it isn't IOS. I do not have any ROS BGP routers (only IOS ones), but the below works for OSPF so you may find something similar in the BGP section. It won't summarize everything nicely like IOS does, though.
/routing ospf route print where 10.255.255.233 in dst-address