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	Prefix	Description
	203.176.168.0/24	Shanghai DMT Information Network cor.,LTD.
	203.176.170.0/24	Shanghai DMT Information Network cor.,LTD.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS17621	China Unicom Shanghai network	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS17621	China Unicom Shanghai network	✔	✘
	AS24400	Shanghai Mobile Communications Co.,Ltd.	✔	✔
	AS10099	China Unicom Global	✔	✘

aut-num:        AS24141
as-name:        DMTNET
descr:          Shanghai DMT Information Network cor.,LTD.
descr:          23F YUNHUA Science & Tech.Building, No.912
descr:          Gonghexin Road, Shanghai, P.R.China
country:        CN
import:         from AS17621 action pref=100; accept ANY
import:         from AS17610 action pref=100; accept ANY
export:         to AS17621 announce AS24141
export:         to AS17610 announce AS24141
admin-c:        LZ576-AP
tech-c:         YH560-AP
abuse-c:        AC1601-AP
mnt-routes:     MAINT-CNNIC-AP
mnt-by:         MAINT-CNNIC-AP
mnt-irt:        IRT-DMTNET-CN
last-modified:  2021-10-26T23:59:54Z
source:         APNIC

Last Update: 2026-02-09T03:22:25Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-iij	5328
APNIC	as17621:as-cncgroup-sh	43
JPIRR	as-iij	5328