What is this 1 pixel request connection?

See: https://aw-snap.info/file-viewer/?protocol=not-secure&tgt=server-54-192-14-136.ams1.r.cloudfront.net&ref_sel=GSP2&ua_sel=ff&fs=1

Amazon Seattle abuse? DNS:api.mapbox.com - {“api”:“mapbox”} → https://aw-snap.info/file-viewer/?protocol=not-secure&tgt=api.mapbox.com&ref_sel=GSP2&ua_sel=ff&fs=1

polonus