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	Prefix	Description
	120.126.32.0/19	Ministry of Education Computer Center
	120.126.64.0/19	Ministry of Education Computer Center
	120.126.96.0/20	Ministry of Education Computer Center
	140.113.0.0/16	Taiwan Academic Network
	140.129.51.0/24	Ministry of Education Computer Center
	140.129.52.0/22	Ministry of Education Computer Center
	140.129.56.0/21	Ministry of Education Computer Center
	140.129.64.0/20	Ministry of Education Computer Center
	140.129.80.0/24	Ministry of Education Computer Center
	2001:f18::/32	National Chiao Tung University

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS18185	National Chiao Tung University	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS18185	National Chiao Tung University	✔	✔
	AS3462	HiNet (Chunghwa Telecom)	✔	✔
	AS140096	JINX CO., LIMITED	✔	✘
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
	AS7539	National Center for High-performance Computing	✔	✘
	AS15169	Google LLC	✔	✔
	AS4780	Digital United Inc.	✔	✘

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

Last Update: 2026-02-09T03:22:24Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-tfn-domestic	31
RADB	as-tpix	84250
APNIC	as58453:as-asiaascust	31435
APNIC	as7539:as-twaren	14
RADB	as58453:as-asiaascust	31435
APNIC	as58453:as-asiatest2	28092
APNIC	as58453:as-asiatest	28473
RADB	as-seednet	280
APNIC	as-63529-as-import-as9505	378
NTTCOM	as-tfn-domestic	31
NTTCOM	as-asnet	15
RIPE	as-retn-actual-v4	12435
APNIC	as-nctu	5
RADB	as-twig	2177
APNIC	as1659:as-tanet	18
APNIC	as63529:as-63529-as-import-as9505	155
RIPE	as-retn-actual-v6	3911