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
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 151.207.40.0/22 v4 | RPKI valid | 41 | 3454964611088611956347712076 | 2026-09-18 |
| 151.207.44.0/22 v4 | RPKI valid | 41 | 3454964611088611956347712076 | 2026-09-18 |
| 2608:1c1::/48 v6 | no ROA | 34 | 37721335672127064585212076 | 2026-09-18 |
| 2608:1c1:1::/48 v6 | no ROA | 34 | 37721335672127064585212076 | 2026-09-18 |
| 2608:1c1:4::/48 v6 | no ROA | 34 | 37721335672127064585212076 | 2026-09-18 |
| 2608:1c1:6::/48 v6 | no ROA | 34 | 37721335672127064585212076 | 2026-09-18 |
| 2608:1c1:7::/48 v6 | no ROA | 34 | 37721335672127064585212076 | 2026-09-18 |
| 2608:1c1:8::/48 v6 | no ROA | 34 | 37721335672127064585212076 | 2026-09-18 |