IP Addresses- a probably stupid question

  newearwax 11:30 12 Jul 2007
Locked

I have always believed that, if your ISP has allocated you a static IP address, no one else will have the same one. is that true or not? If not how do the ISPs' systems differentiate between, say 82.456.789.23 allocated to me and 82.456.789.23 allocated to someone else?

  Andy1991 11:42 12 Jul 2007

Not a stupid question. Think your IP Address as your Phone Number, or your address.

  2neat 12:30 12 Jul 2007

Two IP adds the same ! The IP issued to you for your session is unique. If it is a static IP then it will be fixed & only you will be on it.

  A-Nonymous 12:31 12 Jul 2007

It is not a stupid question. But if you have a static IP, nobody else will have the same IP

  Mac70 13:05 12 Jul 2007

There is no such thing as a stupid question, so Im told.
Anyhoo, do ISP's still give out static IP's? I thought they were all dynamic now?

  robbiepaul79 13:12 12 Jul 2007

You can still get static ones Mac70

  interzone55 13:42 12 Jul 2007

Several ISPs offer static IP addresses, although you usually pay extra for the privilege.

We suggest that our customer's have a static IP as they need them to access their surveillance cameras remotely.

As for multiple customers having the same address, if you have a dynamic address the same one can be used by many users at the same time by using different port numbers for each user.

  A-Nonymous 13:45 12 Jul 2007

BT are still giving out Static IPS

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