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	Prefix	Description
	123.255.96.0/19	Information Technology Services Centre
	202.45.176.0/20	The Chinese University of Hong Kong
	202.45.177.0/24	The Chinese University of Hong Kong
	2405:3001::/32	The Hong Kong Internet Exchange Limited

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS6453	TATA Communications (America) Inc	✔	✔
	AS2914	NTT America, Inc.	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS2914	NTT America, Inc.	✔	✔
	AS6453	TATA Communications (America) Inc	✔	✔
	AS38345	Internet Domain Name System Beijing Engineering Resra...	✔	✔
	AS24149	Internet Domain Name System Beijing Engineering Resra...	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS3661	The Chinese University of Hong Kong	✘	✔
	AS4635	HKIX Route Servers	✔	✔
	AS24482	SG.GS	✔	✔
	AS8359	MTS PJSC	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS140627	OneQode	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS39120	Convergenze S.p.A.	✔	✘
	AS132337	Axclusive	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS38345	Internet Domain Name System Beijing Engineering Resra...	✔	✔
	AS24149	Internet Domain Name System Beijing Engineering Resra...	✔	✔
	AS3661	The Chinese University of Hong Kong	✘	✔

aut-num:        AS4641
as-name:        HKIX-AS-AP
descr:          The Hong Kong Internet Exchange Limited
country:        HK
org:            ORG-THKI1-AP
admin-c:        HKIE1-AP
tech-c:         HKIE1-AP
abuse-c:        AH919-AP
mnt-lower:      MAINT-HKIX-HK
mnt-routes:     MAINT-HKIX-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-HKIX1-HK
last-modified:  2020-06-22T06:03:28Z
source:         APNIC


organisation:   ORG-THKI1-AP
org-name:       The Hong Kong Internet Exchange Limited
org-type:       LIR
country:        HK
address:        ********
address:        ********
phone:          ********
fax-no:         ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:31Z
source:         APNIC

Last Update: 2026-06-10T03:22:36Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-anc	10014
RADB	as-hutchcity	6946
RADB	as-hkix	72627
ARIN	as293:as-from-singaren-to-esnet	4548
APNIC	as-hktcustomer	196
APNIC	as4641:as-cuhk-transit	51
RADB	as-hurricanev6	21136
RADB	as-linkage	94
RADB	as-btn-customers	1495
NTTCOM	as-4641ntt	6
RADB	as-pacnet	9972
NTTCOM	as-hthk-ig	191
RIPE	as3303:as-swcmpeers	799
APNIC	as-hkix-test	4
RIPE	as20965:as-from-tein-to-geant	656