58.221.32.117 hammering my server

I've been seeing 58.221.32.117 in my logs, especially within the last week or so.  So far, I've 5,356 instances of blocking by the firewall for this particular IP.  All traffic is coming from source port 80 of that IP.  Yes, every single instance was blocked.

Has anyone else seen similar activity from this IP?

A whois shows the following:

IP address [?]:	58.221.32.117 [Whois] [Reverse IP]
IP country code:	CN
IP address country:	China
IP address state:	Beijing
IP address city:	Beijing
IP address latitude:	39.9289
IP address longitude:	116.3883
ISP of this IP [?]:	CHINANET jiangsu province network
Organization:	CHINANET jiangsu province network
Local time in China:	2010-10-06 10:29