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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
	AS138371	CERNET2 regional IX at Ocean University of China	✔	✘

aut-num:        AS132553
as-name:        UPC-AS-CN
descr:          China University of Petroleum (East China)
descr:          Qingdao, Shandong 266580, China
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:09Z
source:         APNIC

Last Update: 2026-06-03T03:22:28Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RIPE	as20965:as-from-tein-to-geant	656
APNIC	as4538:as-customers	117
APNIC	as23911:as-customers-v6	108
APNIC	as4538:as-customers-v6	111
ARIN	as293:as-from-singaren-to-esnet	4548