Is there anyway to verify that apt-get is downloading from an official source? Some of my updates are downloading from a location that struck me as odd.

Code:
Get:1 http://151.205.16.29:80/data/02b9aa16f77ea1fb/us.archive.ubuntu.com/ubuntu xenial-updates/main amd64 linux-firmware all 1.157.20 [50.0 MB]