Hello Waldemar Litke,
It seems AzureActiveDirectory, AzureActiveDirectory.ServiceEndpoint and AzureCloud.
Let me explain you how I concluded this.
I resolved login.microsoftonline.com:
# nslookup login.microsoftonline.com
Server: 168.63.129.16
Address: 168.63.129.16#53
Non-authoritative answer:
login.microsoftonline.com canonical name = login.mso.msidentity.com.
login.mso.msidentity.com canonical name = ak.privatelink.msidentity.com.
ak.privatelink.msidentity.com canonical name = www.tm.ak.prd.aadg.trafficmanager.net.
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 20.190.159.75
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 40.126.31.67
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 20.190.159.71
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 20.190.159.0
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 40.126.31.71
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 20.190.159.4
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 20.190.159.73
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 40.126.31.73
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1027:1:158::8
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1027:1:158::a
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1026:3000:148::7
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1026:3000:148::10
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1026:3000:150::5
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1026:3000:150::8
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1026:3000:150::a
Name: www.tm.ak.prd.aadg.trafficmanager.net
Address: 2603:1027:1:158::2
I searched in https://www.microsoft.com/en-us/download/details.aspx?id=56519 the ranges that some of the above IPs are part of and the associated service tag.
Please test and let me know the outcome.
Hopefully this is what you are looking for! If you have additional questions, please let us know in the comments.
If this has been helpful, please take a moment to accept answers as this helps increase visibility of this question for other members of the Microsoft Q&A community. Thank you for helping to improve Microsoft Q&A!