When using 3G everything goes through Amazon proxies so it'd appear that you're coming from Amazon. As for why you're seeing it during times when you're not using the Kindle, I've no idea.
whispernet.com does appear to be owned by Amazon at least from the whois data.
Quote:
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Originally Posted by whois.markmonitor.com
Registrant:
Hostmaster, Amazon Legal Dept.
Amazon Technologies, Inc.
P.O. Box 8102
Reno NV 89507
US
hostmaster@amazon.com +1.2062664064 Fax: +1.2062667010
Domain Name: whispernet.com
Registrar Name: Markmonitor.com
Registrar Whois: whois.markmonitor.com
Registrar Homepage: http://www.markmonitor.com
Administrative Contact:
Hostmaster, Amazon Legal Dept.
Amazon Technologies, Inc.
P.O. Box 8102
Reno NV 89507
US
hostmaster@amazon.com +1.2062664064 Fax: +1.2062667010
Technical Contact, Zone Contact:
Hostmaster, Amazon Legal Dept.
Amazon Technologies, Inc.
P.O. Box 8102
Reno NV 89507
US
hostmaster@amazon.com +1.2062664064 Fax: +1.2062667010
Created on..............: 2002-05-13.
Expires on..............: 2011-05-13.
Record last updated on..: 2010-07-07.
Domain servers in listed order:
ns-2.amazon.com
ns-1.amazon.com
ns-3.amazon.com |