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I need to track an anonymous email. We have the ip address,

 
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  • Answered by:Drew
  • Network Specialist
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Customer Question

I need to track an anonymous email. We have the ip address, it matches a wireless network but how do we track the specific computer that sent it? How do the authorities do it and how specific can the information be? Serial number? Owner?

Submitted: 281 days and 23 hours ago.
Category: Networking
Value: CA$56
Status: CLOSED

Accepted Answer

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Expert:  Drew replied 281 days and 23 hours ago.


Drew :

Hi, my name is XXXX XXX I look forward to helping you today. I know first hand how frustrating these issues can be. Thanks for the chance to assist.

Drew :

Do you manage the wireless network from which this email was sent?

Customer : Yes, it's our home network, we have no record of the message being sent. It was also an anonymous e-mail from hotmail to a family member claiming it came from one of the two of us. They traced the ip address back to our house and it matches a previous email I sent.
Customer : I called telus and they walked me through our network settings, we discovered two other unaccounted for devices connected.
Drew :

Chat seems to be flaky at the moment.

Customer : Is there an expert we can take this to to track the email?
Drew :

Would you please give me the IP address?

Drew :

I'll see what I can dig up on it.

Drew :

Sorry for the slow response. This chat system keeps locking up on me.

Customer : Its been changed unfortunately when I called the ISP, I don't know what ip address they actually had.
Drew :

Without the IP address, there's little I can do for you. I'm sorry.

Drew :

The short answer is that it's very difficult to trace yourself.

Drew :

An IP address will be registered to a network provider and any tracking would have to be done by that provider to find out which one of their customers

Drew :

was using the IP address at the time the email was sent.

Drew :

But then there are all of the issues of IP addresses being faked, forged, etc.

Drew :

Thus it doesn't really mean much even if you do get the cooperation of the network provider.

Drew :

Unless this email contains something very serious, you're probably better off just deleting the email and enjoying the rest of your day.

Drew :

If it does contain something serious, then call your local authorities.

Drew :

That's what I would do.

Customer : I can perhaps get it. In general though with the correct email headers, is it possible to source the exact computer? Or what if I can fwd a previous email I've sent before the ip changed?
Drew :

Again, it's up to the network owner of the IP address. For example, let's say the IP address belongs to AT & T.

Drew :

Every time an AT&T customer signs on to his computer, AT&T assigns that computer an IP address from its address pool for that specific session.

Customer : It was non threatening so authorities won't bother. I also didn't intend to track it myself rather get a pro to.
Drew :

When the customer is finished and shuts down, the IP address goes back into AT&T's address pool and is free for use by the next customer.

Drew :

Thus you would have to get AT&T to tell you which one of their customers was using the IP address at the time the email was sent.

Drew :

Make sense?

Customer : The ISP, do I have to request the information or can others?
Drew :

It would be up to you to file an abuse complaint with the ISP that owns the IP address.

Drew :

But there's nothing you can do to force them to look into it.

Drew :

And they usually don't. :)

Drew :

This is why what you're asking for is not really realistic.

Drew :

Sorry to be the bearer of bad news.

Customer : I see, now are there professionals we could hire to look into it? Given we get the header info?
Drew :

The professional could do nothing more than request that the IP address owner give them information.

Drew :

No one outside of the ISP would have access to the ISP logs to know which of their customers was using the IP address.

Drew :

All you can know from the header is the IP. Then doing a whois lookup, you can see who owns the IP.

Drew :

Then you can contact that ISP and ask. That's it.

Customer : And if they got the information from the ISP what kind of information could we get? Computer serial number? Owner info?
Drew :

I don't think you understand. You can only get whatever information the ISP would give you.

Drew :

Which would likely be nothing without a subpeona

Drew :

since that is their private customer information.

Drew :

This is why I suggest you either go to the authorities or enjoy your day. :)

Customer : If I requested the info about the ip though as it was at one point mine. So if I got the info myself, can we go further?
Drew :

What is your goal?

Drew :

If you think an ISP is going to give you a customer name, address, etc. without a subpoena, I think you're going to be disappointed.

Customer : To find out what computer sent the MSG. I need to clear my name and am willing to hire someone to get to the bottom of it.
Drew :

Sounds like someone forged an IP address you were using.

Drew :

Whoever it is that thinks you've sent the email needs to understand that just because it may have looked like it came from you, there's no proof that it did.

Drew :

Because of forgeries, I even get spam that appears to come from myself.

Drew :

Sorry, I can't help you beyond what I have. I do not believe you will get any different results from anyone else but I will put your question back in the general queue nonetheless.

Drew :

Enjoy the rest of your day/evening.

Drew :

Best of luck.

Expert TypeNetwork Specialist
Category: Networking
Pos. Feedback: 94.1 %
Accepts: 72
Answered: 7/1/2012

Experience: Using 30+ years of experience to help you get it working.

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Expert:  Drew replied 281 days and 22 hours ago.

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