72.254.0.0/19 Alibaba Cloud (Singapore) Private Limited
Announced by AS203513 Alibaba Cloud (Singapore) Private Limited. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 72.254.0.0/19
Prefix
Origin
AS203513 alibabacloud
RPKI
RPKI valid
Size
8,192 addresses
Less specific
none
More specifics
2
IRR route objects
2 exact, 7 covering
In RouteViews
2026-10-12 16:02 UTC
Paths
How 72.254.0.0/19 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 174 203513
| Origin | AS203513 Alibaba Cloud (Singapore) Private Limited |
| Origin code | IGP |
| Communities | 174:21101 174:22008 36601:150 36601:174 36601:2001 |
| Updated | 4d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 3356 174 203513
| Origin | AS203513 Alibaba Cloud (Singapore) Private Limited |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 4d 22h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 5511 203513
| Origin | AS203513 Alibaba Cloud (Singapore) Private Limited |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 4d 22h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS203513 to originate 72.254.0.0/19 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 72.254.0.0/19 | /24 | AS203513 alibabacloud | ARIN |
| 72.254.0.0/16 | /24 | AS24429 Taobao | ARIN |
| 72.254.0.0/16 | /24 | AS45102 ALIBABA-CN-NET | ARIN |
| 72.254.0.0/16 | /24 | AS134963 ASEPL-AS-AP | 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 |
|---|---|---|---|---|
| 72.254.0.0/19 | AS203513 alibabacloud | ARIN | Alibaba Cloud LLC | MNT-AL-3 |
| 72.254.0.0/19 | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 72.254.0.0/18 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 72.254.0.0/17 covering | AS45102 ALIBABA-CN-NET | RADB | Alibaba Cloud | MAINT-ALIBABA-CLOUD |
| 72.254.0.0/16 covering | AS24429 Taobao | ARIN | Alibaba Cloud LLC | MNT-AL-3 |
| 72.254.0.0/16 covering | AS45102 ALIBABA-CN-NET | ARIN | Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US | MNT-AL-3 |
| 72.254.0.0/16 covering | AS134963 ASEPL-AS-AP | ARIN | Alibaba.com Inc. 400 S El Camino Real Suite 400 San Mateo, CA94402 US | MNT-AL-3 |
| 72.254.0.0/16 covering | AS45102 ALIBABA-CN-NET | NTTCOM | CMI IP Transit | MAINT-CMI-INT-HK |
| 72.254.0.0/16 covering | AS45102 ALIBABA-CN-NET | RADB | CMI (Customer Route) | MAINT-AS58453 |
More specific
Prefixes inside 72.254.0.0/19
2 announced prefixes fall inside this one.