You have mentioned AS8075 (Microsoft), but with a comment of "Corp MSN"?. It's definitely using Azure (whether compromised or rented is something that I can't ascertain). The MSN here is due to legacy: it stands for MicroSoft Network (back in the days that MS is also an American ISP, although it seems that they're still a dial-up ISP: https://en.wikipedia.org/wiki/MSN_Dial-up).

Also, Contabo Asia (AS141995) is misclassified as in Germany. Although they are German, that AS is exclusively used for their Singaporean operations.