203.162.166.0/24 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP
Announced by AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP. RPKI invalid Seen by 2 of our 5 looking glass sessions.
Summary
What the table says about 203.162.166.0/24
Prefix
Origin
AS135905 VNPT-AS-VN
RPKI
RPKI invalid
Size
256 addresses
Less specific
More specifics
0
IRR route objects
2 exact, 15 covering
In RouteViews
2026-10-13 04:03 UTC
Paths
How 203.162.166.0/24 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 |
|---|---|---|---|
| 203.162.164.0/22 | /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 |
|---|---|---|---|---|
| 203.162.166.0/24 | AS45899 VNPT-AS-VN | APNIC | VNPT | MAINT-VN-VNPT |
| 203.162.166.0/24 | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 203.162.166.0/23 covering | AS45899 VNPT-AS-VN | APNIC | VNPT | MAINT-VN-VNPT |
| 203.162.166.0/23 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 203.162.164.0/22 covering | AS45899 VNPT-AS-VN | APNIC | VNPT | MAINT-VN-VNPT |
| 203.162.160.0/21 covering | AS45899 VNPT-AS-VN | NTTCOM | VNPT Net | MAINT-VNPT |
| 203.162.160.0/21 covering | AS7643 VNPT-AS-VN | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.162.160.0/21 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 203.162.160.0/20 covering | AS7643 VNPT-AS-VN | APNIC | VietNam Post and Telecom Corporation (VNPT) VNPT-AS-AP | MAINT-VN-VNPT |
| 203.162.160.0/20 covering | AS7643 VNPT-AS-VN | NTTCOM | VietNam Post and Telecom Corporation (VNPT) | MAINT-VDC |
| 203.162.160.0/20 covering | AS7643 VNPT-AS-VN | RADB | Proxy-registered route object | MAINT-AS9304 |
| 203.162.160.0/20 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 203.162.160.0/20 covering | AS7643 VNPT-AS-VN | REACH | REACH (Customer Route) | MAINT-REACH-NOC |
| 203.162.160.0/19 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 203.162.128.0/18 covering | AS45899 VNPT-AS-VN | RADB | VNPT-Net | MAINT-AS45899 |
| 203.162.0.0/16 covering | AS7643 VNPT-AS-VN | RADB | Proxy-registered route object | MAINT-AS3491 |
| 203.162.0.0/16 covering | AS45899 VNPT-AS-VN | RADB | VNPT | MAINT-AS9318 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.