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  1. #1
    Join Date
    Dec 2005
    Location
    London
    Posts
    279

    Find the network provider of a IP

    Hi all,

    I've had a brute force attempt at my MSSQL server I have the following logged IP's and i want to know what ISP/Host they are with so I can get in touch with them and action taken.

    Here are the IP's:

    66.215.218.223
    66.215.192.212
    66.214.197.173
    66.220.120.23
    66.214.94.40
    66.215.63.21

    Any help appreciated.

    Rgds,
    Chris
    Walker

  2. #2
    Join Date
    May 2006
    Posts
    244
    http://whois.arin.net is what you need. Type in the IP, click Search WHOIS, and you will see who owns the blocks of IPs as well as contact information, if any.

    Looks like they're all Charter Communications (abuse@charter.net) except for one which is Bend Cable Communications (who I've never heard of).

    You might want to consider firewalling 66.21[4-5].*.* if you don't care about any Charter Communications guys.

  3. #3
    Join Date
    Oct 2004
    Location
    India
    Posts
    509
    Doing a whois on the ips can always reveal the provider. It is always better to contact the abuse department of the provider with proper logs so that they can take of the issue at their end.
    ESC :wq!

  4. #4
    Join Date
    Dec 2005
    Location
    London
    Posts
    279
    All apart from one of them is Charter Communications

    Lets see how quickly I get a reply from their abuse department

    Im not sure about sending the log over atm as it is 16Mb in size???

    Rgds,
    Chris
    Walker

  5. #5
    Join Date
    May 2006
    Posts
    244
    Chris,

    Send part of the logs - mark it as "edited for brevity" but include the significant parts. Mention that the logs in their entirety are 16MB large.

  6. #6
    Join Date
    Dec 2005
    Location
    London
    Posts
    279
    Cool, thanks for the help tamar
    Walker

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