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Thread: Flow internet using proxy?

  1. #1
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    Default Flow internet using proxy?

    Hi

    I have a Flow Arris cable modem. It reports the external IP address as 100.81.x.x. Whatsmyip reports it as 162.216.x.x. I am sure this is a recent change...the two always used to be the same.

    A little research suggests that Flow may be using a proxy. Can anyone confirm this and if it is a new thing? Its messing up my domain forwarding, which used to work before the change.

    Thanks

  2. #2
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    It is not a proxy, they are using Network Address Translation (NAT) to map many private IPv4 100.81.x.x to a fewer public IPv4 address.

    It is exactly what your home router does to allow all the devices on your home network to connect to the internet using one IPV4 address. It saves Flow the cost of providing a public addressable IPv4 addresses to every customer. Because of the exhaustion of the available IPv4 address pool and their rarirty the cost for IPv4 pools are very expensive. Better hope the internet moves to IPv6 addresses as more and more Internet providers will switch to NAT if they don't.

  3. #3
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    Quote Originally Posted by leoandru View Post
    It is not a proxy, they are using Network Address Translation (NAT) to map many private IPv4 100.81.x.x to a fewer public IPv4 address.

    It is exactly what your home router does to allow all the devices on your home network to connect to the internet using one IPV4 address. It saves Flow the cost of providing a public addressable IPv4 addresses to every customer. Because of the exhaustion of the available IPv4 address pool and their rarirty the cost for IPv4 pools are very expensive. Better hope the internet moves to IPv6 addresses as more and more Internet providers will switch to NAT if they don't.
    Thanks. I havent noticed any change in performance with the extra layer....just cant use my domain

  4. #4
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    You can call and request a public address. Not sure if they're charging for it or not - but you can make the request.
    Knowing the solution doesn't mean knowing the method. Yet answering correctly and regurgitation are considered "learning" and "knowledge".

  5. #5
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    Quote Originally Posted by khat17 View Post
    You can call and request a public address. Not sure if they're charging for it or not - but you can make the request.
    Thanks for the tip......

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