Validate Entra ID Tenant Applications

Due to multiple rebuilds of our Entra CMG and other integrations, we have accumulated a handful of applications. Is there a way for me to identify what services these applications are providing, and which are still needed?

I think 3 might be from CMGs, a couple list Microsoft.AAD.BrokerPlugin in the reply URL, listed as Client app, One of which links to another Server Application.

I think the last one might be the Tenant Attach configuration.

I considered posting a screenshot, however it seems that the Client IDs listed, either match up to the Identifier URL or Reply URL in most situations.