AS45542 VietNam National University Ha Noi
AS45542 is operated by VietNam National University Ha Noi and registered with APNIC (VN) since 2008-11-26.
It announces 14 IPv4 and 0 IPv6 prefixes, 100% of them RPKI valid.
RIPE RIS sees 1 upstream and peer networks and 0 downstream networks next to it.
| Name | VietNam National University Ha Noi |
|---|---|
| Registry handle | VNU-AS-VN |
| Registry (RIR) | APNIC |
| Country | Vietnam (VN) |
| Delegated on | 2008-11-26 |
| Prefixes (IPv4 / IPv6) | 14 / 0 |
| RPKI valid | 100% (14 / 14) |
| Upstreams and peers | 1 |
| Downstream networks | 0 |
Routing health
- AS45542 announces 14 IPv4 and 0 IPv6 prefixes.
- No IPv6 prefixes announced.
- All 14 announced prefixes are RPKI valid.
- One upstream or peer seen (AS24173): an outage there takes the whole network off the internet.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 14
- 112.137.128.0/20
- 112.137.128.0/24
- 112.137.129.0/24
- 112.137.130.0/24
- 112.137.132.0/24
- 112.137.133.0/24
- 112.137.134.0/24
- 112.137.135.0/24
- 112.137.136.0/24
- 112.137.137.0/24
- 112.137.138.0/24
- 112.137.139.0/24
- 112.137.140.0/24
- 112.137.142.0/24
Upstreams and peers 1
The networks RIPE RIS sees next to AS45542 in BGP paths, the most visible first.
More about AS45542
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-15 03:18 UTC. The country is where the AS number was registered, not necessarily where the network operates.