dstiles - 7:02 pm on Jun 10, 2013 (gmt 0)
Mailchimp, to me, is a mailing ;ist provider that sometimes sends me spam - not necessarily their fault, lots of mailing list servers do. :( To my mind, though, mail servers of any kind should not be accessing web sites, either on their own or as a customer proxy.
DNS says the range was registered 17 April. Thanks for the heads-up. Now blocked.
I have a note against my December 2012 database entry for 22.214.171.124/20 that pegtech leases at least some of the range to China.