Gotta love email latencies, where the gasp for help is heard after the problem goes away.
please do not post html to nanog
FYI - this is probably regarding the same issues:
http://www.dslreports.com/shownews/39381
They are reporting it as DDOS from "compromised home PCs", i.e. zombies.
There are some interesting rumors there (note its nothing more then rumors)
from lusers about possible irc connections and this being retaliation attacks
due to mircx.com which was supposedly in return for them reporting some
other attacks to fbi which led to raiding of foonet office.