That might well be right. I’m a very long time AA user. They are serious about the ‘not being the bottleneck’ thing, so talk to them if you’re getting any performance problems and chastise them suitably.
Looks like level3 routing weird to cogent network.Does that speed test ISP have any other transit other than cogent or LINX peering?
Tracing route to 197.227.5.218 over a maximum of 30 hops 1 22 ms 22 ms 22 ms y.witless.thn.aa.net.uk [90.155.53.134] 2 22 ms 22 ms 22 ms e.aimless.tch.aa.net.uk [90.155.53.45] 3 23 ms 22 ms 23 ms xe-0-1-0-3-1.r04.londen05.uk.bb.gin.ntt.net [192.80.17.249] 4 22 ms 23 ms 23 ms ae-7.r20.londen12.uk.bb.gin.ntt.net [129.250.4.140] 5 22 ms 22 ms 22 ms ae-13.a03.londen12.uk.bb.gin.ntt.net [129.250.3.249] 6 * * * Request timed out. 7 22 ms 22 ms 22 ms if-ae-66-2.tcore1.ldn-london.as6453.net [80.231.60.144] 8 22 ms 22 ms 22 ms 195.219.83.158 9 22 ms 22 ms 22 ms 197.227.5.218
Tracing route to 197.227.5.218 over a maximum of 30 hops 1 <1 ms <1 ms <1 ms pfSense.localdomain [192.168.1.1] 2 7 ms 7 ms 7 ms y.witless.thn.aa.net.uk [90.155.53.134] 3 7 ms 7 ms 7 ms e.aimless.tch.aa.net.uk [90.155.53.45] 4 7 ms 7 ms 7 ms xe-0-1-0-3-1.r04.londen05.uk.bb.gin.ntt.net [192.80.17.249] 5 7 ms 8 ms 8 ms ae-7.r20.londen12.uk.bb.gin.ntt.net [129.250.4.140] 6 7 ms 7 ms 7 ms ae-13.a03.londen12.uk.bb.gin.ntt.net [129.250.3.249] 7 * 7 ms 7 ms 195.219.23.72 8 7 ms 7 ms 7 ms if-ae-66-2.tcore1.ldn-london.as6453.net [80.231.60.144] 9 7 ms 7 ms 8 ms 195.219.83.158 10 7 ms 7 ms 7 ms 197.227.5.218
Also this is affecting other broadband ISP's as well.