[qasdfdsaq]

Yeah that's fairly normal for a "standard" WAN load-balancing setup, connections get steered between the two either at random or in a round robin basis but most routers will try keep connections to the same site (whether by IP or IP/port hash, etc) going through the same connection for compatibility reasons.

IIRC the Thinkbroadband tests use different IPs (but the same physical machine) to handle different parts of the test, which explains why the two parts of the test get sent through the two different connections.

If you were really clever and set up some custom balancing rules you might be able to end up with a 180Mbps speedtest result :P