[Eril-l] Which vendors do something special with Ezproxy server address?

[Electronic Resources in Libraries discussion list]

Hi Melissa,

Unfortunately, I don't have a list of specific vendors. I know that some vendors like to have the EZproxy server IP address since that tends to get the most traffic. Vendors know not to block that IP address for high traffic.

We have over 20 locations and need to update IP addresses about once a year due to Google Fiber changes. I have an email group for those vendors not on the IP registry. You might want to let all of your vendors know just in case.

Thanks,
Amy

[A picture containing text, clipart  AI-generated content may be incorrect.]

Amy Mullin
Electronic Resources Librarian
Austin Public Library
512-974-7462
amy.mullin at austintexas.gov<mailto:amy.mullin at austintexas.gov>

________________________________
From: Eril-l <eril-l-bounces at lists.eril-l.org> on behalf of Electronic Resources in Libraries discussion list via Eril-l <eril-l at lists.eril-l.org>
Sent: Monday, January 19, 2026 1:08 PM
To: ERIL-L listserv <eril-l at lists.eril-l.org>
Subject: [Eril-l] Which vendors do something special with Ezproxy server address?


External Email - Exercise Caution

Hi, all!
We're planning to change our Ezproxy server's IP address on Monday Jan 26 to a different address still within the same range as the rest of campus.

We are registered with theipregistry.org and I will change it there, but not all of our vendors use that service.

Most vendors are happy with the proxy server being in the overall campus range and won't care that we change ezproxy's IP address in particular as long as it's within our campus range they already know.

So I am concerned about identifying which vendors meet both of these conditions:

  1.
they need to make some kind of internal adjustment when the proxy server itself changes IP address, AND
  2.
they will NOT get that information from theipregistry.org

If any of you can identify those vendors, it would help us a lot, thank you!

PS. Vendors, please consider joining the IP Registry! It would have saved me a lot of stress right now if all of you were members!

Melissa Belvadi
Collections Librarian
University of Prince Edward Island
mbelvadi at upei.ca<mailto:mbelvadi at upei.ca>  902-566-0581
ORCID iD: 0000-0002-4433-0189
my public calendar<https://outlook.office365.com/owa/calendar/0fbab27c909e4493be65313bd66d66b6@upei.ca/5fa60af92c6d451c9ddf90c0bb11e00f15552192987609852692/calendar.html>
My pronouns are ಅವರು/ಅವರನ್ನು
My emails are sent during the hours that I work and I understand that you will respond during the hours that you work.

Make an appointment: Use YouCanBookMe https://mbelvadi.youcanbook.me/
or for other MS365 / Outlook users, including UPEI people:
[cid:c6f6b619-1e11-47d8-a7db-b8e58332d2a4]<https://outlook.office.com/bookwithme/user/0fbab27c909e4493be65313bd66d66b6@upei.ca?anonymous&ismsaljsauthenabled&ep=bwmEmailSignature>
Book time to meet with me<https://outlook.office.com/bookwithme/user/0fbab27c909e4493be65313bd66d66b6@upei.ca?anonymous&ismsaljsauthenabled&ep=bwmEmailSignature>


CAUTION: This is an EXTERNAL email. Please use caution when clicking links or opening attachments. If you believe this to be a malicious or phishing email, please report it using the "Report Message" button in Outlook.
For any additional questions or concerns, contact CSIRT at "cybersecurity at austintexas.gov".
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.eril-l.org/pipermail/eril-l-eril-l.org/attachments/20260120/acb422ee/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Outlook-a10qnkva.png
Type: image/png
Size: 528 bytes
Desc: Outlook-a10qnkva.png
URL: <http://lists.eril-l.org/pipermail/eril-l-eril-l.org/attachments/20260120/acb422ee/attachment.png>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: Outlook-A picture .png
Type: image/png
Size: 8849 bytes
Desc: Outlook-A picture .png
URL: <http://lists.eril-l.org/pipermail/eril-l-eril-l.org/attachments/20260120/acb422ee/attachment-0001.png>