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  1. #1
    ABW Founder Haiko de Poel, Jr.'s Avatar
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    ALL,

    Can anyone make sense of the DNS ordering system?

    I used to know the NPA (US) 1+ area codes inside out .... it made sense ... can anyone make sense of the DNS numbering system? (ie does 61.whatever = a country like an are code or country code? I see 61. = a connection type :confused [img]/infopop/emoticons/icon_smile.gif[/img]

    Thankful,

    Haiko

  2. #2
    ABW Ambassador mousejockey's Avatar
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    Don't know if this is what you mean, 61 is au country code, dial +61 for Australia.
    Is this what you mean?

  3. #3
    ABW Founder Haiko de Poel, Jr.'s Avatar
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    MJ,

    No, I am looking for a DNS explanation like the US NPA plan ....

    61.whatever equals ?
    212.whatever equals NY? (same as area code) etc ....

    My questions are what does 61.whatever equal?
    Is there a rule? what are the rules?
    Where can I find them if there are any?

    Haiko

  4. #4
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    Here's a nice FAQ about this kind of stuff http://www.private.org.il/IP2geo.html

    The short version is that you can't just tell from the number but it gives some suggestions on how to figure it out for a given address.

  5. #5
    ABW Founder Haiko de Poel, Jr.'s Avatar
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    Eljay,

    TY, but ...

    <BLOCKQUOTE class="ip-ubbcode-quote"><font size="-1">quote:</font><HR>In general, it is impossible - IP addresses are allocated arbitrarily, as there's no inherent connection between an IP address and it's physical location, and there's no reliable method to do the trick. <HR></BLOCKQUOTE>

    :rolleyes: :eek: :rolleyes:

    I hate illogic with computer stuff! ... time to join ICANN

    Haiko

  6. #6
    Resident Genius and Staunch Capitalist Leader's Avatar
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    I doubt this is the kind of help you're looking for, but a whole bunch of sites with (rather technical) explanations came up under a search for "ip addressing" at Google...

    For me to go through them would take more alertness than I have now, though!

    Good luck!

  7. #7
    ABW Adviser Panel Dynamoo's Avatar
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    Umm the question was about DNS but we seem to be talking about IP addresses.

    You could use the lookup function at ARIN to determine who the address range belongs to.. here.

    There are several classes of address:

    Class A - very large IT-based corporations. Example, Apple owns the range 17.x.x.x and has 16.7 million addresses it can use. I think there are 62 or so possible Class A ranges.
    Class B - medium sized companies, ISPs, academic institutions. Example, the South Carolina Research Authority owns the address range 147.120.x.x - 65,000 addresses.
    Class C - small businesses etc or companies that use a limited range of addresses through IP translating firewalls. Thousands of these, but with only 256 IPs each.

    Umm I'm sure you can find the rest of the details out there on the internet!

    [ 02-03-2002: Message edited by: Dynamoo ]

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