Help! How can I have 2 IP addies on 1 computer?

  1. 11-02-2009  #1
    angeleyes66
    angeleyes66 is offline Junior Member

    Help! How can I have 2 IP addies on 1 computer?

    This morning, I was unable to post on a particular forum because my IP address had been blacklisted. So far, so annoying - but on checking, the IP address that had been blacklisted is not mine - at least, when I check my IP address through the control panel of my pc (at home, in my dining room, not part of a network, just my personal pc), it throws up a COMPLETELY different address to the one that has been blacklisted. However, if I use one of those "what is my IP address?" sites, the blacklisted address is shown.

    So, what IS my IP address? Why is my computer telling me one thing, and the internet telling me another?

    Edit - not to worry, I've had it explained to me that my computer has one IP address and my router has another. Oh, the joys of computing...
    Last edited by angeleyes66; 11-02-2009 at 01:30 PM. Reason: SOLVED

  3. 11-02-2009  #2
    Digerati
    Digerati is offline Senior Quiquagenarian
    Well now wait! Yes that is true about the router and your computer. More precisely, the router uses the IP assigned to your "gateway" (the cable/DSL modem) by your ISP to represent all the computers on your network (your side of the router), to the Internet. This means that from all of us on this side of your router, it WAS your computer, or another computer using your Internet access, that did something that upset the administrators of that site. Not good.

    How many computers are on your network (your side of the router)?
    Are there other users or your computer or computers?
    Is this a wireless network? If so, are only authorized computers allowed access?

    Have you scanned for malware?
  4. 11-02-2009  #3
    angeleyes66
    angeleyes66 is offline Junior Member
    As it happens, I scanned the pc with 4 different programs, and found that I had a computer full of Trojans and backdoor problems - well, not full of them, but 2 Trojans and one backdoor problem plus other varied problems, which had all occured since Friday night.

    There's only me on this side of the router, it's a home pc. It's a secure wireless connection.

    However - I am with TalkTalk and they have today confirmed that their servers have been blacklisted at ebay, PayPal and Hotmail.

    I don't know now whether the two things are related or not
  5. 11-02-2009  #4
    Digerati
    Digerati is offline Senior Quiquagenarian
    I am with TalkTalk and they have today confirmed that their servers have been blacklisted at ebay, PayPal and Hotmail.
    I am sure it is. I hope they are doing something to resolve that or else you will need to get a different ISP.
  6. 11-02-2009  #5
    angeleyes66
    angeleyes66 is offline Junior Member
    Quote Originally Posted by Digerati View Post
    I am sure it is. I hope they are doing something to resolve that or else you will need to get a different ISP.
    The last I heard they were trying to get off the blacklists

    It's been one problem after another for the last few days on there....might have to get another ISP anyway!
  7. 12-02-2009  #6
    Digerati
    Digerati is offline Senior Quiquagenarian
    Good luck.
  8. 12-02-2009  #7
    Digitalis D-A-L Guest
    I think that the first thing we need to know is, why was your IP blacklisted?
  9. 12-02-2009  #8
    Digerati
    Digerati is offline Senior Quiquagenarian
    Quote Originally Posted by Digitalis View Post
    I think that the first thing we need to know is, why was your IP blacklisted?
    Ummm, if you go back through the posts above, you will see the whole ISP was blacklisted, and apparently not individual IPs.
  10. 12-02-2009  #9
    Digitalis D-A-L Guest
    Quote Originally Posted by Digerati View Post
    Ummm, if you go back through the posts above, you will see the whole ISP was blacklisted, and apparently not individual IPs.
    Ah, yes, I see now, I went straight to the post in question, sorry.
  11. 12-02-2009  #10
    Digerati
    Digerati is offline Senior Quiquagenarian
    Save 20% on AVG Internet Security 2012 Suite!
    No problem!

    Of course, the real question is, why was the ISP's whole domain blacklisted? Typically, that happens when the ISP fails (or refuses!), after repeated requests, to stop the abusive activity originating from multiple IPs under their control.

    Note the abuse may be coming from badguy computers, but more likely, they are coming from poorly maintained computers that have been compromised by badguys and are now bots under their remote control, used to distribute spam and other malicious code, or as a weapon DDoS attacks.

    That tells me that ISP is either (1) poorly managed, (2) underfunded (not enough being spent on quality people), and/or (3) corrupt - management and government overseers are lining their pockets to turn a blind eye to badguy activity. So, yes, AngleEyes, you might want to use those angelic peepers to scope out a more reputable provider.

    And for a warm fuzzy, I recommend purging the hard drives of clutter with Windows (XP or Vista) Disk Cleanup, ATF Cleaner (XP only) or CCleaner. If using CCleaner, uncheck option to install Yahoo toolbar during installation. Before first use, go to Options > Settings > Advanced and ensure Only delete files in Windows Temp folders older than 48 hours is unchecked.

    Note: Know your site credentials (user name and password) for sites you frequent before cleaning; you may have to login again at next visit.

    Download and install Malwarebytes's Anti-Malware (MBAM) then scan as follows:
    Check for updates before scanning,
    Select Perform quick scan > Scan,
    When complete, click OK, then Show Results,
    Ensure all is selected, and click Remove Selected,
    When complete, save the log in Notepad to a convenient place for future reference.
    Do the same for all computers in your "Trusted Zone" on your network (everything on your side of the Internet "gateway" device - typically a Cable or DSL modem).

    Windows Disk Cleanup Note: One distinct advantage Windows Disk Cleanup has over all other cleaners is that it has the option to delete all but the most recent Restore Point. This is significant because malicious code can hide there. CAUTION: I recommend this option be used only after careful consideration. Some problems can be resolved by "backing up in time" or rolling back the computer to a point in time before the problem first started. If the problem just started within the last couple days, do not use this option until sure System Restore can not be used to fix the problem. If the computer is running fine otherwise, and you are doing your weekly manual scans, or just want to root out as many malware hiding places as you can, I recommend setting a new Restore Point, then use Disk Cleanup to clear out the old Restore Points from the More Options tab.
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