Why is my IP address different from the one set in modem

frontier2002 · Post by **frontier2002** » Fri Jul 15, 2011 9:50 am

Can anyone explain why the IP address found in my network details is different from the one when i search it using http://www.whatismyip.com?

For example
Network connection details show: 192.168.XX.XX but when using http://www.whatismyip.com is shows 115.133.xx.xx

Can anyone explain which one is which and what is the correct IP address of my PC?

Post by **YeOldeStonecat** » Fri Jul 15, 2011 10:30 am

Your "modem" is actually a combo modem/router (gateway) protecting your home computer with a basic hardware firewall, "NAT". This is a good thing.
Common internal IP ranges of home broadband routers are 192.168.0.xxx and 192.168.1.xxx. It's a private Class C subnet mask.

frontier2002 · Post by **frontier2002** » Sat Jul 16, 2011 9:50 pm

YeOldeStonecat wrote:Your "modem" is actually a combo modem/router (gateway) protecting your home computer with a basic hardware firewall, "NAT". This is a good thing.
Common internal IP ranges of home broadband routers are 192.168.0.xxx and 192.168.1.xxx. It's a private Class C subnet mask.

Thanks for your reply. So what does the 115.133.xx.xx meant when i use http://www.whatismyip.com to search it?
Sorry to ask a lot but i am just curious

Post by **YeOldeStonecat** » Sun Jul 17, 2011 8:43 am

That 115 address is your public IP address, the one that your ISP gives you...and the WAN interface of your router is obtaining it.
If you did not have a router..and you plugged your computer directly into your broadband modem, your computer would get that IP address. But you would not have the protection of your routers NAT firewall, and you wouldn't be able to have a network of computers sharing that IP.

frontier2002 · Post by **frontier2002** » Sun Jul 17, 2011 11:09 am

YeOldeStonecat wrote:That 115 address is your public IP address, the one that your ISP gives you...and the WAN interface of your router is obtaining it.
If you did not have a router..and you plugged your computer directly into your broadband modem, your computer would get that IP address. But you would not have the protection of your routers NAT firewall, and you wouldn't be able to have a network of computers sharing that IP.

Thanks. My question is answered well.

SpeedRacer123 · Post by **SpeedRacer123** » Sun Feb 24, 2013 11:28 pm

frontier2002 wrote:Can anyone explain why the IP address found in my network details is different from the one when i search it using http://www.whatismyip.com?

For example
Network connection details show: 192.168.XX.XX but when using http://www.whatismyip.com is shows 115.133.xx.xx

Can anyone explain which one is which and what is the correct IP address of my PC?

Hi buddy,
The ip address that is shown in network details in the local or private ip address.The ip that is shown in online site is Public or external ip address.
I will explain it clearly.
There are two IP address:
1)Public or External IP address .
2)Private or Local Ip address .

Public IP address:
It is the one provided to you by your ISP.This is the address which will be visible in the internet.It can be found by visiting websites like IP-Details.com .

Private IP address:
Private IP addresses are typically used on local area networks like School,College,etc.,It can be found by Start->Run->Cmd->type "ipconfig" and enter.

beautifulflower · Post by **beautifulflower** » Fri Apr 12, 2013 9:32 am

I don't know why but I think it's a good thing.