AS12076

Name: AS12076 — Microsoft Corporation
Creator: ipdex

Microsoft Corporation Unknown registered in United States

2IPv4 prefixes

3IPv6 prefixes

40%RPKI-valid

#16,389AS Rank

323/326RIS visibility

#5,292Rank in United States

1999-03-16Allocated

Microsoft Corporation (AS12076) — Unknown, registered in United States. announces 2 IPv4 prefixes + 3 IPv6 prefixes. Rank in United States: #5292. Allocated: 1999-03-16.

IPv4 2IPv6 3

Announced prefixes · 5

v4 151.207.40.0/22 valid
v4 151.207.44.0/22 valid
v6 2608:1c1:6::/48 unknown
v6 2608:1c1:7::/48 unknown
v6 2608:1c1:8::/48 unknown

RPKI: rpki.cloudflare.com · 2026-06-17

Routing: 2 IPv4 · 3 IPv6 announced · RIS visibility 323/326 RIS peers · RIPEstat · 2026-06-17

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	5
2026-06-13	5

AS topology · Customer cone 1

Providers · 1

AS3477 National Oceanic and Atmospheric Administration

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