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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
	AS133512	CERNET New Technology Co., Ltd	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS45090	Tencent Cloud	✘	✔
	AS133512	CERNET New Technology Co., Ltd	✘	✔
	AS4538	China Education and Research Network Center	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS45090	Tencent Cloud	✘	✔

aut-num:        AS134169
as-name:        CERNEWTECHRES-AS-CN
descr:          CERNEWTECH (Beijing) co.,LTD
descr:          Beijing 100084, 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:  2020-09-03T09:16:04Z
source:         APNIC

Last Update: 2026-05-07T03:22:29Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as4538:as-customers-v6	110
APNIC	as23911:as-customers-v6	108
APNIC	as4538:as-customers	116