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	Prefix	Description
	27.99.128.0/17	China Network Information Center
	42.0.128.0/17	LocalArea Communication of LangFang LTD. CO.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS55933	Cloudie Limited	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS55933	Cloudie Limited	✔	✘

aut-num:        AS17789
as-name:        CNCGROUP-SH-IDC
descr:          CNCGROUP IP network of ShangHai IDC
country:        CN
import:         from AS701 action pref=100; accept ANY
import:         from AS1239 action pref=100; accept ANY
import:         from AS6453 action pref=100; accept ANY
import:         from AS4808 action pref=100; accept ANY
import:         from AS4809 action pref=100; accept ANY
import:         from AS4810 action pref=100; accept ANY
export:         to AS701 announce AS17789
export:         to AS1239 announce AS17789
export:         to AS6453 announce AS17789
export:         to AS4808 announce AS17789
export:         to AS4809 announce AS17789
export:         to AS4810 announce AS17789
admin-c:        CH444-AP
tech-c:         CH444-AP
abuse-c:        AC1718-AP
mnt-lower:      MAINT-CNCGROUP-SH
mnt-routes:     MAINT-CNCGROUP-SH
mnt-by:         APNIC-HM
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:41:30Z
source:         APNIC

Last Update: 2026-02-17T03:22:26Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-telstra-testing-1	11790
APNIC	as4837:as-cncgroup	220
ALTDB	as-research-cn-chinaunicom	34
APNIC	as4837:as-cugroup	205
RADB	as-rainbow-jp	43
RADB	as-hurricane	24515
RADB	as-telstra-intl-customers	12016