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IP address range problem

Hi all I have nagging problem on my office internal network that is steadily becoming a major problem.  I first noticed the problem when certain internet pages became unreachable from our client machines.  The first page I noticed the problem with was www.ebuyer.com  address: Although inconvenient i didnt really worry to much then increasingly over the last couple of months I have noticed more and more pages unable to load.  I think I have established the cause of the problem but require a fix if anyone is able to help.  All the pages that refuse to load have the same beginning ip address nuumbers as my internal static ip address range on my network.  
The static IP Address range I use on my internal system begins  to and all the pages that refuse to load also have a start address of 89.***.***.***  So my conclusion if correct is that the router presumes that this address resides on my internal network therefore does not move it out onto the internet.  If I am correct with this assumption does anyone have any ideas on how to move the calls for these pages off my internal network to the internet? Unfortunately a change of internal network address is not an option I inherited the IP address range form my predecessor and I need to maintain the range as several main systems are dependant of keeping the original address range.

2 Solutions
What is the netmask are you using? Not, right?
What you can do is to go to /24 or, and add a static route on you router 89.x.x.x subnets to the outside

richardsoapyAuthor Commented:
yes the mask is class c is that an issue?
Don JohnstonInstructorCommented:
Are the IP addresses that you're using registered to you, or did your predecessor just pick the range at random?

If they're registered to you, then it's most likely a masking issue. If your mask is actually a mask, then I'm certain the address is not yours. There aren't too many organizations that have a class A address these days. If the address is yours, you probably should be using a /24 mask (based on the range you provided).

If the address is not registered to you, make sure you're using a /24 ( mask and be aware that you will not be able to get to any addresses on the internet.

You REALLY should change your addressing scheme to a private address.
As stated above you absolutley should change your scheme. It could be a lot of work and something that has to be done on a weekend probably but using your current scheme is only going to give you headaches down the road. give me a basic idea of your network, # of computers, using vlans or not, etc. Also what type of WAN connection do you have and what is the subnet?
richardsoapyAuthor Commented:
Thank you all, the IP range was just picked at random I believe from the response I can see my only option is  to change the whole scheme what address range and sub net mask would you recommend so the internet browsing is not compromised in any way?
Thanks again

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