171.235.0.0/19 Viettel Group
Announced by AS7552 Viettel Group. RPKI valid Seen by 0 of our 5 looking glass sessions.
Summary
What the table says about 171.235.0.0/19
Prefix
Origin
AS7552 VIETEL-AS-AP
RPKI
RPKI valid
Size
8,192 addresses
Less specific
More specifics
2
IRR route objects
1 exact, 18 covering
In RouteViews
2026-10-13 17:13 UTC
RPKI
Route origin authorizations
Covered by a ROA authorizing AS7552 to originate 171.224.0.0/11 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 171.224.0.0/11 | /24 | AS7552 VIETEL-AS-AP | APNIC |
| 171.224.0.0/11 | /24 | AS24086 VIETTEL-AS-VN | APNIC |
| 171.224.0.0/11 | /24 | AS38731 VTDC-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 |
|---|---|---|---|---|
| 171.235.0.0/19 | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.235.0.0/18 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.235.0.0/18 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.235.0.0/17 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.235.0.0/16 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.235.0.0/16 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.234.0.0/15 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.234.0.0/15 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.232.0.0/14 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.232.0.0/14 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.232.0.0/13 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.232.0.0/13 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.224.0.0/12 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.224.0.0/12 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
| 171.224.0.0/11 covering | AS7552 VIETEL-AS-AP | APNIC | VIETTEL-VN | MAINT-VN-VNNIC |
| 171.224.0.0/11 covering | AS24086 VIETTEL-AS-VN | APNIC | VIETTEL-VN | MAINT-VN-VNNIC |
| 171.224.0.0/11 covering | AS38731 VTDC-AS-VN | APNIC | VIETTEL-VN | MAINT-VN-VNNIC |
| 171.224.0.0/11 covering | AS7552 VIETEL-AS-AP | NTTCOM | route object of AS7552 | MAINT-VIETTEL |
| 171.224.0.0/11 covering | AS7552 VIETEL-AS-AP | RADB | Proxy-registered route object | MAINT-AS9304 |
Less specific
Covering prefixes
Announced prefixes that contain this one, most specific first.
More specific
Prefixes inside 171.235.0.0/19
2 announced prefixes fall inside this one.