GUA-1743 update doco with correct IP range support documentation (#2670)

Author: bsiqueira-atlassian

README.md

@@ -1,5 +1,5 @@
 # ⛔️ DEPRECATED - GitHub For Jira
-> This repository has been deprecated in favour of a private repository. The application is still available to download on the Atlassian marketplace.
+> This repository has been deprecated in favour of a private repository. The application is still available to download on the Atlassian marketplace: https://marketplace.atlassian.com/apps/1219592/github-for-atlassian
 
 ## About
 
@@ -64,7 +64,7 @@ Next, you will need to [configure the app](#configure-app).
 
 ## Install from Atlassian Marketplace
 
-1. Go to [Atlassian Marketplace](https://marketplace.atlassian.com/apps/1219592/github-for-jira?hosting=cloud&tab=overview).
+1. Go to [Atlassian Marketplace](https://marketplace.atlassian.com/apps/1219592/github-for-atlassian?hosting=cloud&tab=overview).
 2. Sign in to your Atlassian account and click **Get it now**.
 3. Select your site to install this app, click **Install app**.
 4. You will be taken to the app listing on your Jira site, click **Get app**.
@@ -79,7 +79,7 @@ Next, you will need to [configure the app](#configure-app).
 3. Choose which repositories you want to use with the Jira Integration on the installation settings screen, and click
    **Install**.
 4. You will be directed to a setup page to select your Jira site.
-5. Once installation completes you will be redirected to [Atlassian Marketplace](https://marketplace.atlassian.com/apps/1219592/github-for-jira?hosting=cloud&tab=overview) to install the GitHub for Jira app.
+5. Once installation completes you will be redirected to [Atlassian Marketplace](https://marketplace.atlassian.com/apps/1219592/github-for-atlassian?hosting=cloud&tab=overview) to install the GitHub for Jira app.
 6. From there, follow the instructions above to [install from Atlassian Marketplace](#install-from-atlassian-marketplace).
 
 ## Configure app

docs/ip-allowlist.md

@@ -7,11 +7,9 @@ be configured properly for the GitHub for Jira app to be able to communicate wit
 
 ## IP address range
 
-The servers of the GitHub for Jira app operate from IP addresses in:
+The servers of the GitHub for Atlassian app operates following Atlassian defined addresses. Please refer to the support documentation on the specific ranges: https://support.atlassian.com/organization-administration/docs/ip-addresses-and-domains-for-atlassian-cloud-products/
 
-- CIDR range `104.192.142.240/28` (i.e. from the IP addresses starting with `104.192.142.240` and ending with `104.192.142.255`).
-
-A machine-readable version of the IP addresses that stays up-to-date is available at [https://ip-ranges.atlassian.com/](https://ip-ranges.atlassian.com/).
+The allow list configuration in GitHub should work with both IPv4 and IPv6.
 
 ## Automatically load IP addresses from the GitHub for Jira app
 
@@ -43,4 +41,4 @@ Your GitHub organization is now accessible from the GitHub for Jira app's server
 
 ## If problems persist
 
-Feel free to [raise an issue](https://github.com/atlassian/github-for-jira/issues) [contact Atlassian support](https://support.atlassian.com/contact/#/?inquiry_category=technical_issues&is_cloud=true&product_key=third-party-product) for guidance and extra help.
+Feel free to [contact Atlassian support](https://support.atlassian.com/contact/#/?inquiry_category=technical_issues&is_cloud=true&product_key=third-party-product) for guidance and extra help.