AS12076 Microsoft (Azure Customer Peering) 🇺🇸 US

Microsoft Corporation. Announcing 8 prefixes, seen at the RIS collectors.

IPv4 prefixes
2
2,048 (8 × /24)
IPv6 prefixes
6
6 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS12076
Name
Microsoft (Azure Customer Peering)
Organisation
Microsoft Corporation (AS12076)
Country
🇺🇸 US
RIR
ARIN
Allocated
1999-03-16
Scope
Not Disclosed
PeeringDB
net/38482

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

2 valid (25.0%) 0 invalid (0.0%) 6 no ROA (75.0%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS3477 National Oceanic and Atmospheric Administration 🇺🇸 US 11 84 82 CAIDA
AS5852 United States Department of Defense (DoD) 🇺🇸 US 0 873 198 inferred

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

No downstreams observed at the collectors.

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.