Windows 8 and 8.1 Forums


Different IP Address on different devices on same network

  1. #1


    Posts : 27
    Windows 8.1

    Different IP Address on different devices on same network


    First of all, apologies because i don't know where else to post this...

    However since this community has been really helpful to me, i thought i should post it here..

    I own a Wifi connectivity from an ISP whose login method is to 1st connect to the wifi network and then login to its own website, after which only it allows to surf the net..

    A couple days ago, there was a big storm outside my plcae and the connectivity was down for 1 day..
    When the connectivity was restored, i found that the IP address generally used by my laptop was changed somehow..
    To test it, i used another laptop in my house and tried to connect to the internet while already logged on from my own laptop to the ISP's website...
    Since the spare laptop was connected to an IP address different than the one my laptop was using, It again threw me back to the ISP's homepage where i have to login again to surf the web...
    However, when i try to login there, it gives out the error that the user id is same but the ip is different and hence i am not allowed to login in... All this while i can use net on my own laptop...

    Similar is the case when i try to connect it to my iPhone...
    Same thing as here also, the ip address is different than the one used in my own laptop...

    I tried to renew the lease by using command prompt and it gave me a message
    "No operation can be performed on Local area network/bluetooth device/ethernet while it has media connected!
    I don't know what that means and i have no clue as to what to do next!
    Any help would be appreciated...

    If any1 needs any additional details, i would be happy to provide it!
    P.S. My wifi router is of Linksys!
    Also, I resetted my router using the reset button.. Didnt work..
    And when i say that the ip addresses are different on 2 laptops, i mean that the 1st two are same, but the 3rd and 4th are different1
    And i am unable to login to my router's wesite of 192.168.1.1

      My System SpecsSystem Spec

  2. #2


    Hi there. Did you try to contact your ISP to resolve your problem?

    This is beyond my knowledge so I will message a member that does know more. In the meantime someone else may answer to this.
      My System SpecsSystem Spec

  3. #3


    Posts : 2,627
    win8.1.1 enterprise


    And i am unable to login to my router's wesite of 192.168.1.1
    im not 100% sure on anything , but it could be a issue with the router ,as that address is the routers address to get into the settings of the router ,and you do not need a internet connection to do so, its is not a website per say,
      My System SpecsSystem Spec

  4. #4


    Posts : 27
    Windows 8.1


    Quote Originally Posted by HippsieGypsie View Post
    Hi there. Did you try to contact your ISP to resolve your problem?

    This is beyond my knowledge so I will message a member that does know more. In the meantime someone else may answer to this.
    Yes i tried contacting my ISP bt they couldn't be any less bothered...
    They say they are gonna se d a technician to my place but they never do...
      My System SpecsSystem Spec

  5. #5


    Posts : 27
    Windows 8.1


    Quote Originally Posted by caperjack View Post
    And i am unable to login to my router's wesite of 192.168.1.1
    im not 100% sure on anything , but it could be a issue with the router ,as that address is the routers address to get into the settings of the router ,and you do not need a internet connection to do so, its is not a website per say,
    Ok the problem is definately not with the router, as once i put in the static ip i know which used to work before, the router's config website opens and i am able to change the settings!
      My System SpecsSystem Spec

  6. #6


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    If you are stating that your ISP uses a Captive portal. That would make sense for the issue you are having. Have you called their tech support department, to see if there is something going on at the head-end. They could be having equipment issues, or your modem may be the problem
      My System SpecsSystem Spec

  7. #7


    Posts : 27
    Windows 8.1


    Quote Originally Posted by broe23 View Post
    If you are stating that your ISP uses a Captive portal. That would make sense for the issue you are having. Have you called their tech support department, to see if there is something going on at the head-end. They could be having equipment issues, or your modem may be the problem
    Yeah I called them a bunch of times, but they couldn't be least bothered..
    They open up a complaint and then close it because according to them since i am able to surf the net, their system automatically closes my complaint! And the issue i'm facing is of DHCP as once i put in my old internal IP address, the homepage of my router showed up, but i lost all other internet connectivity!
    So i guess all i need to do is reconfigure the router...
    Can any1 help me wid that?
      My System SpecsSystem Spec

  8. #8


    Posts : 2,627
    win8.1.1 enterprise


    To bring a computer back onto the network after moving it to a different location, or experiencing an unexpected outage, first release, then renew the IP address.
    with the computer hooked to the router ,then
    go to run,and type in ipconfig/release
    then at run again type in ,ipconfig/renew
      My System SpecsSystem Spec

  9. #9


    Central IL
    Posts : 3,468
    Linux Mint 17.2


    Quote Originally Posted by jenil View Post
    Quote Originally Posted by broe23 View Post
    If you are stating that your ISP uses a Captive portal. That would make sense for the issue you are having. Have you called their tech support department, to see if there is something going on at the head-end. They could be having equipment issues, or your modem may be the problem
    Yeah I called them a bunch of times, but they couldn't be least bothered..
    They open up a complaint and then close it because according to them since i am able to surf the net, their system automatically closes my complaint! And the issue i'm facing is of DHCP as once i put in my old internal IP address, the homepage of my router showed up, but i lost all other internet connectivity!
    So i guess all i need to do is reconfigure the router...
    Can any1 help me wid that?
    Their system is not closing them. Someone inside the company is doing it. Walk your complaint up the food chain.
      My System SpecsSystem Spec

  10. #10


    Sydney, Nova Scotia, Canada
    Posts : 6,490
    Windows 10 Education 64 Bit


    No two devices on a network can have the same IP address. Unless I misunderstood your post, its normal for your second laptop to have a different IP address that the first one. A second or third device connecting to a network will each receive a different IP address though DHCP. Network devices are identified by their IP address.
      My System SpecsSystem Spec

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Different IP Address on different devices on same network
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