What is 13.107.42.14?
13.107.42.14 is an IP address in Microsoft's Azure network (AS8075), associated with Microsoft Office 365 and Microsoft 365 services. The 13.107.0.0/16 range is used extensively by Microsoft for Teams, Exchange Online, SharePoint Online, and other cloud productivity services.
Privacy note
Seeing a 13.107.x.x IP in connection data typically means traffic to Microsoft 365 services. These are legitimate Microsoft cloud IPs and are commonly whitelisted in corporate firewalls.