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How could I find out....

Discussion in 'Black Hat SEO' started by hamd01, Apr 5, 2011.

  1. hamd01

    hamd01 Jr. VIP Jr. VIP Premium Member

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    Say I have a host such as hostgator

    Is there anyway I could find/get a list of domains which they are hosting?
     
  2. Autumn

    Autumn Elite Member

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    You can look up the domains hosted on a particular IP using a reverse IP lookup tool like http://www.domaintools.com/research/reverse-ip/

    If you wanted a list of every single domain hosted at Hostgator, you would have to look up their IP block allocations at ARIN and then do a reverse IP lookup on every IP that they own.
     
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  3. hamd01

    hamd01 Jr. VIP Jr. VIP Premium Member

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    Your link to ARIN doesnt seem to wrok...I've had a look at the site but cant find any way to find a list of the IP ranges a particular host owns. Any suggestions?
     
  4. Autumn

    Autumn Elite Member

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    Yep it's an FTP link and the anonym redirect is screwing it up.

    Go here:

    Code:
    ftp://ftp.arin.net/pub/zones/
    
    and download the latest listings, it's the huge .tar.gz file. Untar it and grep the listings for the domains related to that host. It can take a bit of guess work and investigation to find out what domains you're looking for - sometimes they're listed under the corporate domain that owns the host. eg. if you're looking for domains owned by AT&T, you have to look up att.com and att.net as well as their corporate entity usi.com.

    Note that the octets of the IP addresses they list are in reverse order for some reason.