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	Prefix	Description

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6

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Peers

	ASN	Description	IPv4	IPv6
	AS3462	HiNet (Chunghwa Telecom)	✔	✔
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✘
	AS1659	Taiwan Academic Network (TANet) Information Center	✘	✔
	AS4780	Digital United Inc.	✔	✘

aut-num:        AS17712
as-name:        CCU-TW
descr:          National Chung Cheng University
descr:          Chiayi, Taiwan
country:        TW
import:         from AS3462 action pref=100; accept ANY
import:         from AS1659 action pref=100; accept ANY
import:         from AS7539 action pref=100; accept ANY
export:         to AS3462 announce AS17712
export:         to AS1659 announce AS17712
export:         to AS7539 announce AS17712
default:        to AS1659 action pref=5; networks ANY
default:        to AS7539 action pref=10; networks ANY
admin-c:        SC468-AP
tech-c:         TW112-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TANET-TW
last-modified:  2025-11-06T09:08:27Z
source:         APNIC

Last Update: 2025-12-25T03:22:12Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as-asnet	15
RADB	as-tfn-domestic	31
APNIC	as1659:as-tanet	18
NTTCOM	as-tfn-domestic	31