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Baitball Blogger

(46,576 posts)
Thu Apr 11, 2013, 12:14 PM Apr 2013

How did I get a static ip address?

I posted a question a week ago about what it means when you "bridge" a modem and the router. I had called my ISP to complain about an issue regarding my WAN IPAddress. I don't remember the specifics but the answer was to "bridge" the modem and the router. I discovered afterwards that a DHCP I had set up for my DVR through the router had change, but it was no big deal, I just reset everything and everything has been working fine.

Except, yesterday, my husband said he had trouble accessing his emails. Today I did an IP Address look up and discovered I had a Static IPAddress. Though this might help with my video streaming for the DVR, I understand that static IPAddresses create conflicts later down the road.

Personally, I don't really need a static ipaddress because I have a dyndns address.

I was just wondering how it was possible to get a static address without those words ever being mentioned in a conversation with the ISP people? I thought it was an expensive venture.

7 replies = new reply since forum marked as read
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How did I get a static ip address? (Original Post) Baitball Blogger Apr 2013 OP
I'm not sure, but Duer 157099 Apr 2013 #1
I thought they were called "Dynamic" IpAddresses. Baitball Blogger Apr 2013 #2
The only one that knows you have a dynamic IP is your ISP Duer 157099 Apr 2013 #3
I like your definition. I hope that's the case. Baitball Blogger Apr 2013 #4
Well I'm pretty sure that's how it used to be anyway Duer 157099 Apr 2013 #5
Mine is dynamic but I've had the same address for over a year ChromeFoundry Apr 2013 #6
Thanks for the info. Baitball Blogger Apr 2013 #7

Duer 157099

(17,742 posts)
1. I'm not sure, but
Thu Apr 11, 2013, 12:18 PM
Apr 2013

are you certain that it isn't just a temporary IP? ISPs usually issue IPs for a time period, which can vary.

Baitball Blogger

(46,576 posts)
2. I thought they were called "Dynamic" IpAddresses.
Thu Apr 11, 2013, 12:22 PM
Apr 2013

When I go to whatismyipaddress.com it says that I have a static address.

Duer 157099

(17,742 posts)
3. The only one that knows you have a dynamic IP is your ISP
Thu Apr 11, 2013, 12:46 PM
Apr 2013

I think. Unless those websites that collect DNS info keep track of which are dynamic?

A dynamic IP is ultimately a static IP that your ISP assigns you for a certain period of time, If it were truly static, you would have it foreever. They can issue them for hours, days, months etc.

But I certainly could be wrong. I haven't kept up with all this stuff for years.

Duer 157099

(17,742 posts)
5. Well I'm pretty sure that's how it used to be anyway
Thu Apr 11, 2013, 12:56 PM
Apr 2013

I had entertained the notion of hosting my own DNS several years ago, and so I went to the trouble to learn as much as I could back then (>10yrs).

But things could be different now?

ChromeFoundry

(3,270 posts)
6. Mine is dynamic but I've had the same address for over a year
Thu Apr 11, 2013, 01:24 PM
Apr 2013

If I dropped my service with my ISP, someone else would get this address, eventually.
The ISP owns the IP Address Block, and they assign them to whomever they choose. They may be applying a DHCP reservation to the modem you are using to connect and you may get the same address every time you reboot your modem, or not.

Most ISPs that monitor monthly bandwidth against your account will assign an address to your modems MAC address (used for the DHCP assignment/reservation).

DynDns doesn't care if your address is static or dynamic.. just make sure you force a set every month or you may need to logon their site to manually keep your free account alive.

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