National Yang Ming Chiao Tung University
AS9916 is National Yang Ming Chiao Tung University (nycu.edu.tw). It announces 93,696 IPv4 addresses in 9 prefixes, and 1 IPv6 prefixes.
Taiwan· APNIC· allocated 2000-03-28· education
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Taiwan93,696 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- NCTU-TW
- name
- National Yang Ming Chiao Tung University
- country
- TW
- source
- apnic
- updated
- 2025-11-06
- descr
- National Yang Ming Chiao Tung University / Hsinchu, Taiwan
- maintainer
- MAINT-TW-TWNIC
- maintainer email
- chku@twnic.net.tw
- abuse
- AT939-AP
- abuse name
- ABUSE TWNICAP
- abuse email
- hostmaster@twnic.tw
- abuse kind
- role
- admin
- LTC10-AP
- tech
- CCS8-AP
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.01%
- geonix, proxyseller, dataimpulse0.09%
- None here
- None here
- 0.00%
- None here
- Hosting IP18,68819.95%
- None here
- None here
- None here
- SSH IP1,7261.84%
- SMTP IP320.03%
- 0.01%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 120.126.32.0/19 | Taiwan | valid | 17 | 2026-10-02 |
| 120.126.64.0/19 | Taiwan | valid | 17 | 2026-10-02 |
| 120.126.96.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 140.113.0.0/16 | Taiwan | valid | 17 | 2026-10-02 |
| 140.129.51.0/24 | Taiwan | valid | 17 | 2026-10-02 |
| 140.129.52.0/22 | Taiwan | valid | 17 | 2026-10-02 |
| 140.129.56.0/21 | Taiwan | valid | 17 | 2026-10-02 |
| 140.129.64.0/20 | Taiwan | valid | 17 | 2026-10-02 |
| 140.129.80.0/24 | Taiwan | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:f18::/32 | Taiwan | valid | 20 | 2026-10-02 |
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