Re: 43.250.79.183 (Administrator of network where email originates)
search-apnic-not-arin#apnic.net[at]devnull.spamcop.net
I think the problem should be self explanatory here...
Getting lots of repetitive spams from this IP and hosting their spamvertised website on the same IP. Correct contact is admin[at]koonk.com.
Spamcop should not query ARIN for any 43.x.x.x IP.