There's an annoying person emailing our website. How to know if it's the same guy or not?
He used his PC and Iphone.
User Address: 5e0f685e.bb.sky.com
User IP: 22.214.171.124
User Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_9_1)
AppleWebKit/537.36 (KHTML, like Gecko) Chrome/32.0.1700.107
User Location: United Kingdom (GB)
And second info:
IP address: 126.96.36.199
Locale: [The United Kingdom] The United Kingdom / English
Organization: Sky Broadband / skybroadband.com (Lookup)
Platform: Safari 7.0 mobile / iPhone / Apple iPhone / 320x568
This is very urgent for us to know if it's the same guy - How can we be sure about that?