Originally Posted by robwod

Use IPtables if you have the capability, or if your HOST will do it.

Here's a site with the compiled blocks already, on a per country/region basis. The following Link handles various Asian countries.
http://www.wizcrafts.net/chinese-ipt...blocklist.html

ETA: Oops, you wanted to redirect... not block. The above is to outright block an entire country.