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Week 43 · 19 Oct – 25 Oct 2026 UTC · assess the changes, then plan the next dates.
Updates and guidanceAmazon Web Services: 6 lists changed
IP ranges changed
6 lists changed: 4 no longer cover some addresses, 2 cover the same addresses (prefixes rewritten); 4 were published twice or more that day, each read by its latest change.
6 lists changed: 4 no longer cover some addresses, 2 cover the same addresses (prefixes rewritten); 4 were published twice or more that day, each read by its latest change.
Updates and guidanceGoogle: 4 lists changed
IP ranges changed
4 lists changed: 1 covers more addresses, 3 no longer cover some addresses; 4 were published twice or more that day, each read by its latest change.
4 lists changed: 1 covers more addresses, 3 no longer cover some addresses; 4 were published twice or more that day, each read by its latest change.
Updates and guidanceOkta: 38 lists changed
IP ranges changed
38 lists changed: 17 cover more addresses, 21 no longer cover some addresses; 30 were published twice or more that day, each read by its latest change.
38 lists changed: 17 cover more addresses, 21 no longer cover some addresses; 30 were published twice or more that day, each read by its latest change.
Known issuesAnthropic Claude2 source records
Service incident
claude.ai, Claude API (api.anthropic.com), Claude Code
Service incident
claude.ai, Claude API (api.anthropic.com), Claude Code
Updates and guidanceAmazon Web Services · AMAZON · ap-southeast-3
Changed list
Changed list: 256 IPv4 addresses no longer covered.
Changed list: 256 IPv4 addresses no longer covered.
Updates and guidanceAmazon Web Services · AMAZON · us-east-1
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
Updates and guidanceAmazon Web Services · AMAZON · us-west-2
Changed list
Changed list: same addresses, prefixes rewritten.
Changed list: same addresses, prefixes rewritten.
Updates and guidanceAmazon Web Services · All AWS (AMAZON)
Changed list
Changed list: 256 IPv4 addresses no longer covered.
Changed list: 256 IPv4 addresses no longer covered.
Updates and guidanceAmazon Web Services · EC2 · ap-southeast-3
Changed list
Changed list: 256 IPv4 addresses no longer covered.
Changed list: 256 IPv4 addresses no longer covered.
Updates and guidanceAmazon Web Services · EC2
Changed list
Changed list: 256 IPv4 addresses no longer covered.
Changed list: 256 IPv4 addresses no longer covered.
Updates and guidanceGoogle · Google Cloud · australia-southeast2
Changed list
Changed list: 512 IPv4 addresses no longer covered.
Changed list: 512 IPv4 addresses no longer covered.
Updates and guidanceGoogle · Google Cloud · us-west1
Changed list
Changed list: 65,536 IPv4 addresses no longer covered.
Changed list: 65,536 IPv4 addresses no longer covered.
Updates and guidanceGoogle · Google Cloud · us-west2
Changed list
Changed list: 512 IPv4 addresses no longer covered.
Changed list: 512 IPv4 addresses no longer covered.
Updates and guidanceGoogle · Google services (not Google Cloud)
Changed list
Changed list: 66,560 IPv4 addresses newly covered.
Changed list: 66,560 IPv4 addresses newly covered.
Updates and guidanceOkta · apac_cell_1
Changed list
Changed list: 1 IPv4 address newly covered.
Changed list: 1 IPv4 address newly covered.
Updates and guidanceOkta · apac_cell_2
Changed list
Changed list: 2 IPv4 addresses newly covered, 2 IPv4 addresses no longer covered.
Changed list: 2 IPv4 addresses newly covered, 2 IPv4 addresses no longer covered.
Updates and guidanceOkta · apac_pam_cell_1
Changed list
Changed list: 2 IPv4 addresses newly covered, 2 IPv4 addresses no longer covered.
Changed list: 2 IPv4 addresses newly covered, 2 IPv4 addresses no longer covered.
Updates and guidanceOkta · apac_workflow_cell_1
Changed list
Changed list: 1 IPv4 address newly covered.
Changed list: 1 IPv4 address newly covered.
Updates and guidanceOkta · apac_workflow_cell_2
Changed list
Changed list: 2 IPv4 addresses newly covered, 2 IPv4 addresses no longer covered.
Changed list: 2 IPv4 addresses newly covered, 2 IPv4 addresses no longer covered.
Updates and guidanceOkta · emea_cell_1
Changed list
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Updates and guidanceOkta · emea_cell_2
Changed list
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Updates and guidanceOkta · emea_pam_cell_1
Changed list
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Updates and guidanceOkta · emea_workflow_cell_1
Changed list
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Updates and guidanceOkta · emea_workflow_cell_2
Changed list
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Changed list: 1 IPv4 address newly covered, 1 IPv4 address no longer covered.
Groups collect records about the same product or named security topic on one UTC date. Open a record for its source and history; grouping alone does not establish a shared cause or impact.