112.137.128.0/20 VietNam National University Ha Noi
Announced by AS45542 VietNam National University Ha Noi. RPKI valid Seen by 5 of our 5 looking glass sessions.
Summary
What the table says about 112.137.128.0/20
Prefix
Origin
AS45542 VNU-AS-VN
RPKI
RPKI valid
Size
4,096 addresses
Less specific
none
More specifics
13
IRR route objects
3 exact, 0 covering
In RouteViews
2026-10-16 04:02 UTC
Paths
How 112.137.128.0/20 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 58453 45899 24173 45542
| Origin | AS45542 VietNam National University Ha Noi |
| Origin code | IGP |
| Communities | 174:21001 174:22013 36601:150 36601:174 36601:2001 |
| Updated | 8d 4h ago |
AS903 UNIFIED-COMMUNICATIONS-TECHNOLOGIES (UCT - Valdosta, GA)Collector-2-COCOA-FL903 13760 58453 45899 24173 45542
| Origin | AS45542 VietNam National University Ha Noi |
| Origin code | IGP |
| Communities | 903:900 903:13760 |
| Updated | 8d 13h ago |
AS36295 FLORIDA-HIGH-SPEED-INTERNET (FLHSI - Cocoa, FL)Collector-2-COCOA-FL36295 6939 24173 45542
| Origin | AS45542 VietNam National University Ha Noi |
| Origin code | IGP |
| Communities | 36295:100 |
| Updated | 8d 4h ago |
RPKI
Route origin authorizations
Covered by a ROA authorizing AS45542 to originate 112.137.128.0/20 up to /24. Validate another origin.
| ROA prefix | Max length | Authorized origin | Trust anchor |
|---|---|---|---|
| 112.137.128.0/20 | /24 | AS45542 VNU-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 |
|---|---|---|---|---|
| 112.137.128.0/20 | AS45542 VNU-AS-VN | APNIC | VNU-VN | MAINT-VN-VNNIC |
| 112.137.128.0/20 | AS45542 VNU-AS-VN | NTTCOM | VNU-VNNIC-VN | MAINT-VDC |
| 112.137.128.0/20 | AS45542 VNU-AS-VN | RADB | VNPT-Customer-TCHQ-AS-VN | MAINT-AS45899 |
More specific
Prefixes inside 112.137.128.0/20
13 announced prefixes fall inside this one.
Show the 13 prefixes
112.137.128.0/24 AS45542 VNU-AS-VN112.137.129.0/24 AS45542 VNU-AS-VN112.137.130.0/24 AS45542 VNU-AS-VN112.137.132.0/24 AS45542 VNU-AS-VN112.137.133.0/24 AS45542 VNU-AS-VN112.137.134.0/24 AS45542 VNU-AS-VN112.137.135.0/24 AS45542 VNU-AS-VN112.137.136.0/24 AS45542 VNU-AS-VN112.137.137.0/24 AS45542 VNU-AS-VN112.137.138.0/24 AS45542 VNU-AS-VN112.137.139.0/24 AS45542 VNU-AS-VN112.137.140.0/24 AS45542 VNU-AS-VN112.137.142.0/24 AS45542 VNU-AS-VN