Super User is a question and answer site for computer enthusiasts and power users. Join them; it only takes a minute:

Sign up
Here's how it works:
  1. Anybody can ask a question
  2. Anybody can answer
  3. The best answers are voted up and rise to the top

I'm on a university network, so I don't have any control of the routing settings and the sort. That being said, I do have the perks of having fairly fast speeds, especially within the network. I have taken full advantage of this by using remote desktop regularly.

However, I no longer have a static IP and am instead on a dynamic one. How do I broadcast this local IPL Could I register a local hostname? Or maybe email it to myself whenever it changes?

(I am running windows 7)

share|improve this question
up vote 0 down vote accepted

You could script a way to obtain your IP, save it to a .bat file, set up a scheduled job to run every X hours, then output the IP to a location such as Dropbox or Google Drive. That way, you can always access the txt file wherever you are and get the current IP.

You can also sign up for a service such as NoIP to assign a domain name (usually Then, when you want to access your computer, just use the domain name.

share|improve this answer
I tried using NoIP but it seems like it broadcasts my global, not local, IP – randomafk Feb 1 '13 at 4:58
@randomafk ah, yeah. I didn't know you weren't public-facing. My college opened that all up so we could use that solution. – Kruug Feb 1 '13 at 13:34
just set it up with this bat script! – randomafk Feb 1 '13 at 14:06

You could make a pretty simple python script that checks your local IP and emails (or texts) you if it changes. The downside is this way, you'd need to do a task scheduler to run it (as with most ways with scripts).

You could get the local ip in Python with:

import socket
socket.gethostbyname( socket.gethostname() )

You could use that to save the latest known IP to a file, and check the new IP verses the IP in the file and email you if it's different (and obviously update the old file).

I have a python script I use to do the email using gmail's SMTP servers through a dummy account here on Github.

I think socket and email are both in the standard library for Python.

This will work cross-platform if python and the modules are installed.

share|improve this answer
I was thinking of doing this, and probably will. Was hoping for a cleaner solution. but thanks1 – randomafk Feb 1 '13 at 4:59
Yeah, I haven't found any great ways to do it on a local network. Used to have a similar problem back when I was in school too - python was the easiest way to work cross-platform for me. I do like @Kruug's idea of just syncing that file to a dropbox/drive/other folder. – nerdwaller Feb 1 '13 at 6:20
just set it up, more convinient that emails I think. – randomafk Feb 1 '13 at 14:06

You must log in to answer this question.

Not the answer you're looking for? Browse other questions tagged .