Our Netlify application uses a Function, which relies on the original IP address provided in the
client-ip request header.
All Functions receive an
event object as an argument. For us, the value of
event.headers['client-ip'] recently changed to a
According to Wikipedia, this is a reserved, unusable address :
This address block should not be used on private networks or on the public Internet.
This started appearing around April 22, 2021. Did anything change in the internal Netlify routing that would cause this IP value to appear as the