AS9419 Nanyang Technological University
IPv4 addresses
65,536
IPv6 /48 networks
0
RPKI
4 valid0 no ROA
Peers and downstreams
8
Holder
- AS name
- NTU-AS-AP
- Description
- Nanyang Technological University Computer Centre, Nanyang Ave Singapore 639798
- Organisation
- Nanyang Technological University
- Abuse contact
- Not published
- Assigned
- 1998-09-30
- Registered
- 2008-09-04
- Record last changed
- 2020-11-25 06:42 UTC
None announced.
None seen.
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade C · 70/100| pass | Prefixes covered by valid ROAs 4 of 4 announced prefixes are RPKI valid. |
25/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| fail | Announces IPv6 No IPv6 prefixes are announced. |
0/15 |
| pass | More than one upstream 4 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact networkteamb@ntu.edu.sg is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| fail | Registry record maintained Last changed 2020-11-25. |
0/5 |
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
Show this on your website
HTML
<a href="https://ip-fd.net/asn/9419"><img src="https://ip-fd.net/badge/asn/9419/health.svg" alt="AS9419 network health on IP-FD.net"></a>
Markdown
[](https://ip-fd.net/asn/9419)
Use rpki.svg instead of health.svg for the RPKI badge.
Routing changes
Last 30 days| 2026-10-04 11:37 UTC | New neighbour | AS20326 | peer |
| 2026-10-04 11:37 UTC | Relationship changed | AS134148 | upstream to peer |
WHOIS
aut-num: AS9419 as-name: NTU-AS-AP handle: AS9419 remarks: Nanyang Technological University remarks: Computer Centre, Nanyang Ave remarks: Singapore 639798 remarks: for peering with SingaREN, and AI3/TP (transit via SingaREN) abuse: IRT-NTU-NON-SG (IRT-NTU-NON-SG) <networkteamb@ntu.edu.sg> technical,administrative:LS253-AP (Leonard Sim) <networkadmin@ntu.edu.sg> registrant: ORG-NTU2-AP (Nanyang Technological University) <networkadmin@ntu.edu.sg> registration: 2008-09-04T06:40:29Z last changed: 2020-11-25T06:42:43Z source: APNIC (RDAP)