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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 421 · 3321 tags · checked 8 Oct 08:35 UTC · next 08:35 UTC
  1. AzureCloud.uksouthChanged tag · publication 420 → 421

    Addresses+32,812 IPv4 addressesnone dropped

    1 wider prefix replaces 6 prefixes it still covers; 4 prefixes are new.

    Prefixes as published+5−6
    • Added 57.157.40.0/24 replaces57.157.40.0/2557.157.40.128/2657.157.40.192/2757.157.40.224/2857.157.40.240/2957.157.40.248/31· new57.157.40.250/3157.157.40.252/30
    • Added 57.157.41.0/27 new
    • Added 57.157.41.32/30 new
    • Added 57.157.41.36/31 new
    • Added 172.144.0.0/17 new

1 tag

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

Service not named · uksouth · 202 IPv4, 44 IPv6 · tag revision 121 · used by API, NSG · last changed 7 Oct

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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 9 Oct 02:37 UTC · 215 of 216 readable · documentation 387/387 current

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