To do a tracert open a Dos window (or start/run) and type eg
tracert 193.69.116.19
or
tracert
www.opera.com
You can try with any IP address or domain name.
The first few lines are your own computer/router then the initial bt hops. You should then get some more bt network nodes than those further out to the destination.
If you don't have a path to your DNS server you can only use the IP address version.
Was getting a few timeouts just now doing this, but the broadband is basically working fine here today.
Dave