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	Prefix	Description
	210.244.192.0/20	Mackay Telecommunications Inc.
	210.244.192.0/19	Mackay Telecommunications Inc.
	210.244.208.0/20	Mackay Telecommunications Inc.
	211.76.0.0/19	Mackay Telecommunications Inc.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9505	Taiwan Internet Gateway	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS9505	Taiwan Internet Gateway	✔	✘
	AS4780	Digital United Inc.	✔	✘

aut-num:        AS7478
as-name:        MACKAY-AS-AP
descr:          Mackay Telecommunication Inc.
country:        TW
import:         from AS174 action pref=200; accept ANY
import:         from AS4778 action pref=100; accept ANY
export:         to AS174 announce ANY
export:         to AS4778 announce ANY
default:        to AS4778 action pref=100; networks ANY
remarks:        transfered from AUNET
admin-c:        DC6-AP
tech-c:         JC6-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-MKY-TW
last-modified:  2025-11-06T09:06:05Z
source:         APNIC

Last Update: 2026-03-13T03:22:25Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as58453:as-asiatest2	27385
APNIC	as58453:as-asiaascust	31402
APNIC	as58453:as-asiatest	27772
APNIC	as63529:as-63529-as-import-as9505	155
RADB	as-sparq	47
RIPE	as-transroute-spec	19641
APNIC	as-63529-as-import-as9505	378
RADB	as7473:as-customers:as9919	12
RADB	as-twig	2018
RADB	as58453:as-asiaascust	31402
RADB	as-seednet	280