ASN AS9916 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS9916?

AS9916 is listed under National Yang Ming Chiao Tung University.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS9916 National Yang Ming Chiao Tung University

National Yang Ming Chiao Tung University twnic.net.tw

TW 11 Routes

AS Data

AS9916

AS9916 – National Yang Ming Chiao Tung University

AS Number	9916
AS Name	NCTU-TW
Organization	National Yang Ming Chiao Tung University()
Country	TW
Website	twnic.net.tw
Number of IPv4 Routes	10
Number of IPv6 Routes	1
ASN type	EDUCATION
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS9916 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
140.129.80.0/24	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	256
140.129.56.0/21	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	2048
120.126.64.0/19	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	8192
2001:f18::/32	AS9916	National Yang Ming Chiao Tung University	National Yang Ming Chiao Tung University	~79×10²⁷
140.129.52.0/22	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	1024
120.126.32.0/19	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	8192
140.129.51.0/24	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	256
140.113.0.0/16	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	65536
140.129.64.0/20	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	4096
192.83.180.0/24	AS9916	National Yang Ming Chiao Tung University	Ministry of Education Computer Center	256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS9249 - AS10239'

as-block:       AS9249 - AS10239
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2022-09-22T22:36:45Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS9915 - AS9924'

as-block:       AS9915 - AS9924
descr:          TWNIC-TW-AS-BLOCK
remarks:        These AS numbers are further assigned by TWNIC
remarks:        to TWNIC members
admin-c:        TWA2-AP
tech-c:         TWA2-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-TW-TWNIC
last-modified:  2017-06-29T23:49:13Z
source:         APNIC

role:           TWNIC Whois Administrator
address:        Taiwan Network Information Center
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.,
address:        Taipei, Taiwan, 105
country:        TW
phone:          +886-2-25289696
fax-no:         +886-2-25287756
e-mail:         hostmaster@twnic.net.tw
admin-c:        ck373-AP
tech-c:         TW922-AP
tech-c:         NS10-AP
nic-hdl:        TWA2-AP
notify:         hostmaster@twnic.net.tw
mnt-by:         MAINT-TW-TWNIC
last-modified:  2020-01-02T03:54:20Z
source:         APNIC

% Information related to 'AS9916'

% Abuse contact for 'AS9916' is 'noc@mail.moe.gov.tw'

aut-num:        AS9916
as-name:        NCTU-TW
descr:          National Yang Ming Chiao Tung University
descr:          Hsinchu, Taiwan
country:        TW
import:         from AS3462 action pref=10; accept AS3462
import:         from AS4780 action pref=20; accept AS4780
import:         from AS7482 action pref=20; accept AS7482
import:         from AS1659 action pref=20; accept AS1659
import:         from AS7539 action pref=20; accept AS7539
import:         from AS9415 action pref=20; accept AS9415
import:         from AS9414 action pref=20; accept AS9414
import:         from AS9310 action pref=20; accept AS9310
export:         to AS3462 announce AS9916
export:         to AS4780 announce AS9916
export:         to AS7482 announce AS9916
export:         to AS1659 announce AS9916
export:         to AS7539 announce AS9916
export:         to AS9415 announce AS9916
export:         to AS9414 announce AS9916
export:         to AS9310 announce AS9916
default:        to AS1659 action pref=5; networks ANY
default:        to AS7539 action pref=10; networks ANY
admin-c:        LTC10-AP
tech-c:         CCS8-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TANET-TW
last-modified:  2025-11-06T09:07:13Z
source:         APNIC

irt:            IRT-TANET-TW
address:        Ministry of Education computer Center
address:        12F, No 106, Sec. 2, Heping E. Rd., Taipei
e-mail:         noc@mail.moe.gov.tw
abuse-mailbox:  noc@mail.moe.gov.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
mnt-by:         MAINT-TW-TWNIC
last-modified:  2025-11-06T07:51:48Z
source:         APNIC

role:           ABUSE TWNICAP
country:        ZZ
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
phone:          +000000000
e-mail:         hostmaster@twnic.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.tw was validated on 2025-05-23
abuse-mailbox:  hostmaster@twnic.tw
mnt-by:         APNIC-ABUSE
last-modified:  2025-05-23T00:02:10Z
source:         APNIC

person:         Chen Chang Sheng
address:        National Chiao Tung University,
address:        No. 1001, Ta Hsueh Rd.,
address:        Hsinchu, Taiwan
country:        TW
phone:          +886 3 573 1721
fax-no:         +886 3 571 4031
e-mail:         cschen@cc.nctu.edu.tw
nic-hdl:        CCS8-AP
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:15Z
source:         APNIC

person:         Liu Ta Chun
address:        National Chiao Tung University,
address:        No. 1001, Ta Hsueh Rd.,
address:        Hsinchu, Taiwan
country:        TW
phone:          +886 3 573 1905
fax-no:         +886 3 571 4031
e-mail:         ltc@cc.nctu.edu.tw
nic-hdl:        LTC10-AP
mnt-by:         MAINT-TW-TWNIC
last-modified:  2008-09-04T07:29:15Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS9249 - AS10239",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2022-09-22",
    "source" : "APNIC"
  }, {
    "as_block" : "AS9915 - AS9924",
    "description" : [ "TWNIC-TW-AS-BLOCK" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "remarks" : [ "These AS numbers are further assigned by TWNIC", "to TWNIC members" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2017-06-29",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS9916",
    "as_name" : "NCTU-TW",
    "description" : [ "National Yang Ming Chiao Tung University", "Hsinchu, Taiwan" ],
    "country" : "TW",
    "import" : [ "from AS3462 action pref=10; accept AS3462", "from AS4780 action pref=20; accept AS4780", "from AS7482 action pref=20; accept AS7482", "from AS1659 action pref=20; accept AS1659", "from AS7539 action pref=20; accept AS7539", "from AS9415 action pref=20; accept AS9415", "from AS9414 action pref=20; accept AS9414", "from AS9310 action pref=20; accept AS9310" ],
    "export" : [ "to AS3462 announce AS9916", "to AS4780 announce AS9916", "to AS7482 announce AS9916", "to AS1659 announce AS9916", "to AS7539 announce AS9916", "to AS9415 announce AS9916", "to AS9414 announce AS9916", "to AS9310 announce AS9916" ],
    "default" : [ "to AS1659 action pref=5; networks ANY", "to AS7539 action pref=10; networks ANY" ],
    "admin_contacts" : [ "LTC10-AP" ],
    "tech_contacts" : [ "CCS8-AP" ],
    "abuse_contacts" : [ "AT939-AP" ],
    "mnt_irt" : [ "IRT-TANET-TW" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-TANET-TW",
    "address" : [ "Ministry of Education computer Center", "12F, No 106, Sec. 2, Heping E. Rd., Taipei" ],
    "street" : "No 106 Sec. 2 Heping E. Rd.",
    "city" : "Taipei",
    "email" : [ "noc@mail.moe.gov.tw" ],
    "abuse_mailbox" : [ "noc@mail.moe.gov.tw" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2025-11-06",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "LTC10-AP",
    "name" : "Liu Ta Chun",
    "address" : [ "National Chiao Tung University,", "No. 1001, Ta Hsueh Rd.,", "Hsinchu, Taiwan" ],
    "street" : "Ta Hsueh Rd.",
    "city" : "Hsinchu",
    "country" : "TW",
    "email" : [ "ltc@cc.nctu.edu.tw" ],
    "phone" : [ "+886 3 573 1905" ],
    "fax_no" : [ "+886 3 571 4031" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "technical_contacts" : [ {
    "handle" : "CCS8-AP",
    "name" : "Chen Chang Sheng",
    "address" : [ "National Chiao Tung University,", "No. 1001, Ta Hsueh Rd.,", "Hsinchu, Taiwan" ],
    "street" : "Ta Hsueh Rd.",
    "city" : "Hsinchu",
    "country" : "TW",
    "email" : [ "cschen@cc.nctu.edu.tw" ],
    "phone" : [ "+886 3 573 1721" ],
    "fax_no" : [ "+886 3 571 4031" ],
    "mnt_by" : [ "MAINT-TW-TWNIC" ],
    "date_updated" : "2008-09-04",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AT939-AP",
    "name" : "ABUSE TWNICAP",
    "address" : [ "3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan" ],
    "street" : "Sec. 4 Bade Rd.",
    "city" : "Taipei",
    "zip_code" : "105",
    "country" : "ZZ",
    "email" : [ "hostmaster@twnic.tw" ],
    "abuse_mailbox" : [ "hostmaster@twnic.tw" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "TWA2-AP" ],
    "tech_contacts" : [ "TWA2-AP" ],
    "remarks" : [ "Generated from irt object IRT-TWNIC-AP", "hostmaster@twnic.tw was validated on 2025-05-23" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2025-05-23",
    "source" : "APNIC",
    "addressCountry" : "TAIWAN"
  } ]
}

Peers

AS Number	Description	Country
AS7539	National Center for High performance Computing	TW
AS9415	Asia Pacific Network Information Centre	AU
AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	TW
AS18185	4F, No.114, Sec.1, Chung-Shiao W. Road	TW
AS3462	Chunghwa Telecom Co., Ltd.	TW
AS3462	Data Communication Business Group	TW
AS1659	Taiwan Academic Network TANet Information Center	TW
AS4780	Digital United Inc.	TW
AS9310	Asia Pacific Network Information Centre	AU
AS140096	JINX CO., LIMITED	HK