43.239.221.0/24 Vietnam Posts and Telecommunications (VNPT)
Announced by AS7643 Vietnam Posts and Telecommunications (VNPT). RPKI invalid Seen by 2 of our 5 looking glass sessions.
Summary
What the table says about 43.239.221.0/24
Prefix
Origin
AS7643 VNPT-AS-VN
RPKI
RPKI invalid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
1 exact, 2 covering
In RouteViews
2026-10-12 20:02 UTC
Paths
How 43.239.221.0/24 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.
RPKI
Route origin authorizations
The covering ROA authorizes a different AS to originate this prefix. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 43.239.220.0/23 | /24 | AS45899 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 |
|---|---|---|---|---|
| 43.239.221.0/24 | AS45899 VNPT-AS-VN | APNIC | KDATA-VN | MAINT-VN-VNNIC |
| 43.239.220.0/23 covering | AS45899 VNPT-AS-VN | APNIC | KDATA-VN | MAINT-VN-VNNIC |
| 43.239.220.0/23 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Customer-KDATA | MAINT-AS45899 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.