All I can say is...
Duh. I've seen over 4 million IP Addresses in China doing things. Well, not all, but a significant enough portion that its just easier to block the whole AS Net.
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greg@gregfolkert.net
PGP key 1024D/B524687C 2003-08-05
Fingerprint: E1D3 E3D7 5850 957E FED0 2B3A ED66 6971 B524 687C