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AS18047
NTHU-TW - National Tsing-Hua University Announcing routesAS nameNTHU-TW
CountryTW
Registry (RIR)APNIC
HandleAS18047
RangeAS18047
Registered04 Sep 2008
Last changed06 Nov 2025
Abuse contact[email protected]
2IPv4 prefixes
0IPv6 prefixes
4Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS9505 | TWGATE-AP - Taiwan Internet Gateway | 143 |
| AS18423 | RAID-AS-TW - RAID Networks Co., Ltd. | 9 |
| AS7539 | TWAREN-TW - National Center for High-performance Computing | 5 |
| AS9264 | ASNet - Academia Sinica | 1 |
Downstreams
None seen.
IPv4 prefixes (2)
RPKI-validate all prefixes of AS18047
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| administrative, technical | Shin-Ming Chang | SC547-AP | [email protected], +886-3-573-1133, +886-3-571-0776 | National Tsing-Hua University, No.101, Section 2, Kuang-Fu Road, Hsinchu City, Taiwan, R.O.C. |
| abuse | IRT-TANET-TW | IRT-TANET-TW | [email protected], [email protected] | Ministry of Education computer Center, 12F, No 106, Sec. 2, Heping E. Rd., Taipei |
Raw registry response
{
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"APNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18047",
"rel": "terms-of-service",
"href": "http://www.apnic.net/db/dbcopyright.html",
"type": "text/html"
}
]
},
{
"title": "Whois Inaccuracy Reporting",
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18047",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "TW",
"name": "NTHU-TW",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:32Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-11-06T09:09:02Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18047",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/18047",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"National Tsing-Hua University",
"Hsinchu, Taiwan"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"administrative",
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:18Z"
},
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:29:18Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18047",
"rel": "self",
"href": "https://rdap.apnic.net/entity/SC547-AP",
"type": "application/rdap+json"
}
],
"handle": "SC547-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Shin-Ming Chang"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "National Tsing-Hua University\nNo.101, Section 2, Kuang-Fu Road, Hsinchu City, Taiwan, R.O.C."
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+886-3-573-1133"
],
[
"tel",
{
"type": "fax"
},
"text",
"+886-3-571-0776"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2024-09-18T03:05:37Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-07-16T02:54:43Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18047",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-TANET-TW",
"type": "application/rdap+json"
}
],
"handle": "IRT-TANET-TW",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-TANET-TW"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Ministry of Education computer Center\n12F, No 106, Sec. 2, Heping E. Rd., Taipei"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS18047",
"startAutnum": 18047,
"endAutnum": 18047,
"objectClassName": "autnum",
"port43": "whois.apnic.net"
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.