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Azure service tags

Public-cloud IP prefixes by service and region, the exact differences between Microsoft's weekly publications, and lists your firewall can read.

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Observed changes

Publication 426 · 3398 tags · checked today 01:16 UTC · next 13 Nov 01:16 UTC

Most recent 6 observation dates · retained from 7 Oct 2026 to 11 Nov 2026. Choose any date in that range.

  1. AzureEventGrid.SoutheastAsia3Added tag · publication 423 → 424

    Addresses+2,176 IPv4 addresses and 1 IPv6 rangenone dropped

    Prefixes as published+5
    • Added 48.198.81.128/25 new
    • Added 48.198.110.0/23 new
    • Added 48.198.144.0/22 new
    • Added 48.198.148.0/23 new
    • Added 2603:1040:1b02::480/121 new

    ID: absent → AzureEventGrid.SoutheastAsia3; Region: absent → southeastasia3; Region ID: absent → 110; Service: absent → AzureEventGrid; Platform: absent → Azure; Network features: absent →

1 tag

All of them as one list: IPv4 · IPv6 · both

Service AzureEventGrid · southeastasia3 · 4 IPv4, 1 IPv6 · tag revision 1 · last changed 29 Oct

  • 2603:1040:1b02::480/121
  • 48.198.110.0/23
  • 48.198.144.0/22
  • 48.198.148.0/23
  • 48.198.81.128/25
This tag as a list

Microsoft source JSON · Service-tag documentation · JSON of this selection

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 12 Nov 19:39 UTC · 274 of 275 readable · 272 fully read · documentation 469/469 current

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