123.31.28.0/22 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP
Announced by AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 123.31.28.0/22
Prefix
Origin
AS135905 VNPT-AS-VN
RPKI
RPKI valid
Size
1,024 addresses
Less specific
none
More specifics
4
IRR route objects
1 exact, 8 covering
In RouteViews
2026-10-13 12:02 UTC
Paths
How 123.31.28.0/22 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 58453 45899 135905
| Origin | AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP |
| Origin code | IGP |
| Communities | 13760:3002 36601:150 36601:2001 36601:13760 |
| Updated | 5d 13h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 45899 135905
| Origin | AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 5d 21h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 45899 135905
| Origin | AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 5d 21h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS135905 to originate 123.31.28.0/22 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 123.31.28.0/22 | /24 | AS135905 VNPT-AS-VN | APNIC |
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 |
|---|---|---|---|---|
| 123.31.28.0/22 | AS135905 VNPT-AS-VN | APNIC | VNPT | MAINT-VN-VNPT |
| 123.31.24.0/21 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 123.31.16.0/20 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 123.31.0.0/19 covering | AS7643 VNPT-AS-VN | APNIC | VietNam Post and Telecom Corporation (VNPT) VNPT-AS-AP | MAINT-VN-VNPT |
| 123.31.0.0/19 covering | AS7643 VNPT-AS-VN | NTTCOM | VDC-NET | MAINT-VDC |
| 123.31.0.0/19 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 123.31.0.0/18 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 123.31.0.0/16 covering | AS45899 VNPT-AS-VN | RADB | CMI (Customer Route) | MAINT-AS58453 |
| 123.16.0.0/12 covering | AS45899 VNPT-AS-VN | RADB | VNPT | MAINT-AS9318 |
More specific
Prefixes inside 123.31.28.0/22
4 announced prefixes fall inside this one.