Table MQSRV does not show the IPv4 address for CPs any more.
When executing the SQL statement below, up to and including version 12.3.2 the IP address would be shown for all Server Processes in field 'mqsrv_tcpipaddr2'.
As of version 12.3.3, for CPs a '::' is shown instead.
select * from mqsrv;
A bug in parsing the local IP addresses in ucsrvcp/ucsrvcp.exe
Automation Engine 12.3.3
The bug will be fixed in Automation Engine 12.3.4 (October 2020)