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Solved: 2 IP Addresses?

Discussion in 'Networking' started by Justawind, Apr 13, 2008.

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  1. Justawind

    Justawind Thread Starter

    Joined:
    Jul 17, 2007
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    Quick question...
    A friend of mine called me tonight with a question. The readers digest version is they have a cable modem in which one computer connects via a usb port and the other through the ethernet port on the same modem. ( ISP is Comcast) On an online game we all play, the staff stated they had 2 seperate IP addresses showing. I stated I figured due to the way they were connected to the modem. There is no router involved that I am aware of.

    Was I right in my quess?
     
  2. JohnWill

    JohnWill Retired Moderator

    Joined:
    Oct 19, 2002
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    Each computer MUST have a unique IP address, so for sure they had two unique IP addresses. :) However, the question here is were the addresses in the 192.168.x.x range, or where they public IP addresses? Most ISP's only allocate a single public IP address to an account, but with a router you can connect all the computers you like to that single address. Behind the router, you have a whole range of private network IP addresses and the router manages the sharing of the single connection to the Internet.
     
  3. Justawind

    Justawind Thread Starter

    Joined:
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    No router involved, but you answered my question.
     
  4. JohnWill

    JohnWill Retired Moderator

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    Thanks for the feedback. :)
     
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