Starting February 5, 2018, Application Insights will set all octets of the IP address collected by client/server side SDKs to Zero after looking up the City, Country and other geo location attributes. This strengthens privacy and is a change from the prior processing that set the last octet to Zero.
This change is being made to address customer concerns with IP address and the impact of GDPR.
• If you need the first 3 octets of the IP address, you can use telemetry initializer to add a custom attribute.
• This does not affect data collected prior to February 5, 2018.