BT Speed Test

[#1]

I want to check my IP Profile on the above test but it requires a Plusnet Service ID,what is this please.
    My Plusnet speed test has dropped to..http://www.mybroadbandspeed.co.uk/results/89261201.png...

[#2]

Just leave the Service ID field blank. You only need it if you haven't got the phone number.

[#3]

thank you.