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	Prefix	Description
	103.4.56.0/24	Beijing Century Union Network Technology Co.,LTD.
	103.4.57.0/24	Beijing Century Union Network Technology Co.,LTD.
	103.4.58.0/24	Beijing Century Union Network Technology Co.,LTD.
	103.4.59.0/24	Beijing Century Union Network Technology Co.,LTD.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4808	China Unicom Beijing Province Network	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS4808	China Unicom Beijing Province Network	✔	✘
	AS10099	China Unicom Global	✔	✘

aut-num:        AS56003
as-name:        JDJT
descr:          Beijing Century Union Network Technology Co.,LTD.
descr:          3F,Space Montage, No.9, North RD.,
descr:          Wenhuiyuan Haidian District, Beijing, China
country:        CN
admin-c:        WZ1852-AP
tech-c:         JY2449-AP
abuse-c:        AC1601-AP
mnt-lower:      MAINT-CNNIC-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-JDJT-CN
last-modified:  2021-10-26T23:59:34Z
source:         APNIC

Last Update: 2025-12-26T03:22:25Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-ctbj	150
APNIC	as4808:as-cncgroup-bj	94