These details might be in-memory (internal) (might be in IS core audit), to get these details via service use “wm.server.query:getServiceStats”
To make this service viewable in Designer add the below IS extended setting and refersh the Designer console.
watt.server.ns.hideWmRoot=false
Also, there are other tools/utilities available like WmRichStatistics and few others (do not remember the names now) but you can find them on this forum.
#webMethods-General#Integration-Server-and-ESB#webMethods