199.15.136.0/23 Microsoft Corporation
Announced by AS8070 Microsoft Corporation. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 199.15.136.0/23
Prefix
Origin
AS8070 MICROSOFT-CORP-MSN-AS-BLOCK
RPKI
RPKI valid
Size
512 addresses
Less specific
none
More specifics
0
IRR route objects
2 exact, 1 covering
In RouteViews
2026-10-13 20:02 UTC
Paths
How 199.15.136.0/23 is reached
Every path our looking glass collectors hold for this exact prefix. Open one for its attributes, or see them all side by side in the looking glass.
AS36601 TNT (TNT - Tampa, FL)Collector-1-TAMPA-FL36601 13760 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 5d 20h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 6d 5h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 8075 8070
| Origin | AS8070 Microsoft Corporation |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 6d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS8070 to originate 199.15.136.0/23 up to /23. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 199.15.136.0/23 | /23 | AS8070 MICROSOFT-CORP-MSN-AS-BLOCK | ARIN |
IRR
Route objects
Registered in the IRR for this prefix and the ones covering it. Look it up live.
| Route | Origin | Source | Description | Maintained by |
|---|---|---|---|---|
| 199.15.136.0/23 | AS8070 MICROSOFT-CORP-MSN-AS-BLOCK | ARIN | Regional Information Sharing Systems | MNT-RISSNE |
| 199.15.136.0/23 | AS8070 MICROSOFT-CORP-MSN-AS-BLOCK | RADB | Microsoft ByoIp | MAINT-AS8075 |
| 199.15.136.0/21 covering | AS26375 AIRESPRING | RADB | The Institute for Intergovernmental Research Inc - Murfreesb - Order# 105510 | MAINT-AS26375 |