Why does AddressBookSourceSync request connections to myriad different servers?

Why does AddressBookSourceSync request connections to myriad different
servers?

I've recently installed a new version of Little Snitch, and it informs me
that the process AddressBookSourceSync wants to contact a server. I
understand the process is for syncing Contacts. What I don't understand is
why it should be connecting to servers such as:
cnet.com
fda.gov
and a raft of others that seem to bear no relation to my contacts (no one
in my contacts has email addresses or anything else relating to CNet of
the FDA).
Is this process doing more than just syncing contacts?
I'm running 10.8.4.