--- title: "Jira / Atlassian Cloud New IP address ranges in use from January 1, 2027: 2027-01-01 | Harbyn" description: "Jira / Atlassian Cloud New IP address ranges in use from January 1, 2027, effective Jan 1, 2027." canonical: "https://harbyn.com/changes/atlassian-jira/2026-10-16-atlassian-cloud-adds-new-ip-address-ranges" last-updated: 2026-10-16 --- # Jira / Atlassian Cloud New IP address ranges in use from January 1, 2027 Markdown version of . Behavior change - Jira / Atlassian Cloud. medium severity. Announced. Upcoming. From January 1, 2027, Atlassian Cloud adds IP ranges 131.162.88.0/23 (requests to Atlassian) and 131.162.90.0/23 (webhooks and other requests from Atlassian), within 131.162.88.0/21. Integrations that allowlist Atlassian IPs must add them before that date; the existing ranges remain. 68 days left: the deadline is Jan 1, 2027. ## Facts | Fact | Value | | --- | --- | | Vendor | [Jira / Atlassian Cloud](https://harbyn.com/vendors/atlassian-jira.md) | | Kind | Behavior change | | Severity | medium | | Status | Announced | | Announced | Oct 16, 2026 | | Effective | Jan 1, 2027 | | Added to Harbyn | Oct 16, 2026 | | Lead time | 77 days of warning | | Review | Reviewed by a person, extracted by a model | ## Find it in your code ```sh npx harbyn scan ``` This change names no identifier the scanner can match line by line, so the scan tells you whether your repository uses Jira / Atlassian Cloud, from its packages and API hosts. Nothing leaves your machine. ## Sources Where this event comes from: the page we read, when we read it, and the hash of that snapshot. - (changelog, fetched 2026-10-16 04:38 UTC, sha256 `bb8d9a8a71ed7ce5cc4559a294f84b16a5f83f0a69fbe72327ae24fc9d700f7f`) ## Related changes ### More from Jira / Atlassian Cloud - [Confluence V1 content restrictions API now requires view access for edit access](https://harbyn.com/changes/atlassian-jira/2026-10-15-confluence-content-restrictions-v1-api-behavior-changes.md) (Behavior change, announced Oct 15, 2026) - [Existing Operations tools move from MCP V1 to MCP V2](https://harbyn.com/changes/atlassian-jira/2026-10-20-existing-operations-tools-move-from-mcp-v1-to-mcp-v2.md) (Behavior change, announced Oct 20, 2026) - [Removed jira:fullPage and confluence:fullPage modules](https://harbyn.com/changes/atlassian-jira/2026-10-21-removed-jira-fullpage-and-confluence-fullpage-modules.md) (Retirement, effective Sep 30, 2026) - [Search REST API returns 400 for invalid custom JQL function queries](https://harbyn.com/changes/atlassian-jira/2026-10-08-direct-validation-of-custom-jql-functions-in-search-rest-api.md) (Behavior change, announced Oct 8, 2026) ### Changes at other vendors - [Amazon Selling Partner API: ORDER\_CHANGE notifications add PreFulfillmentStatusChange for Amazon Autos](https://harbyn.com/changes/amazon-sp-api/2026-10-14-sp-api-updates-new-listings-items-api-ivp-values-in-eu5-jp-and-ca-stores-oct-3.md) (effective Oct 28, 2026) - [BigCommerce: 301 redirects will apply only to storefront channels](https://harbyn.com/changes/bigcommerce/2026-10-07-301-redirects-now-apply-to-storefront-channels-only.md) (effective Nov 10, 2026) - [GitHub: Secret scanning audit log business field changes to enterprise slug](https://harbyn.com/changes/github/2026-10-20-updates-to-github-secret-scanning-7.md) (effective Nov 12, 2026) - [Let's Encrypt: Default certificate lifetime changes to 64 days](https://harbyn.com/changes/letsencrypt/2026-10-07-64-day-certificate-lifetimes-coming-feb-2027.md) (effective Feb 10, 2027) [All upcoming deadlines](https://harbyn.com/deadlines.md)