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	Prefix	Description
	103.252.172.0/22	1699 Zuchongzhi Road
	180.208.59.0/24	China Education and Research Network

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4538	China Education and Research Network Center	✔	✘
	AS24361	CERNET2 IX at Southeast University	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4538	China Education and Research Network Center	✔	✘
	AS24361	CERNET2 IX at Southeast University	✔	✘

aut-num:        AS133465
as-name:        DKU-AS-AP
descr:          Duke Kunshan University
descr:          1699 Zuchongzhi Road
descr:          Kunshan, Jiangsu, China
country:        CN
org:            ORG-DKU1-AP
admin-c:        DKUA1-AP
tech-c:         DKUA1-AP
abuse-c:        AD1006-AP
mnt-lower:      MAINT-DKU-CN
mnt-routes:     MAINT-DKU-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-DKU-CN
last-modified:  2020-11-10T13:11:02Z
source:         APNIC


organisation:   ORG-DKU1-AP
org-name:       Duke Kunshan University
org-type:       LIR
country:        CN
address:        ********
address:        ********
phone:          ********
fax-no:         ********
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:16:16Z
source:         APNIC

Last Update: 2026-03-13T03:22:27Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as4538:as-customers	116
APNIC	as23911:as-customers-v6	108
APNIC	as4538:as-customers-v6	110
ARIN	as293:as-from-singaren-to-esnet	4548
RIPE	as20965:as-from-tein-to-geant	656