Results for the latest Netflix Internet Service Provider index have been released today and Optus has again taken the top spot with an average speed of 3.65 Mbps, up from 3.58 Mbps.

The result see’s Optus move further ahead from rivals TPG and iiNet, which took the second and third places, respectively.

Themonthly survey conducted by Netflix is designed to tell consumers which ISP is providing the best prime-time streaming experience. Optus, TPG and iiNet have an advantage in the monthly survey due to the direct peering arrangements they have negotiated with Netflix.

Telstra once again came last in the survey, however this months result of 2.9 Mbps is the second highest the telco has achieved since the survey began in April 2015.

The Netflix ISP Speed Index lists the average prime time bitrate for Netflix content streamed to Netflix members during a particular month. Netflix calculate the average bitrate of its content in megabits per second (Mbps) streamed by its customers per ISP. Streaming via mobile networks is exempted from the measurements. The speed indicated in the Netflix ISP Speed Index is not a measure of the maximum throughput or the maximum capacity of an ISP.