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	Prefix	Description
	79.109.240.0/21	ZTNET CO., LTD

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS140570	Hong Kong Beecloud System Technology Services Limited	✔	✘
	AS9002	RETN Limited	✔	✘
	AS137983	TIANFENG (HONG KONG) COMMUNICATIONS LIMITED	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS137551	REDLINK TELECOM Co., Ltd	✔	✘
	AS9002	RETN Limited	✔	✘
	AS140570	Hong Kong Beecloud System Technology Services Limited	✔	✘
	AS137983	TIANFENG (HONG KONG) COMMUNICATIONS LIMITED	✔	✘
	AS57304	RETN Russia	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS137551	REDLINK TELECOM Co., Ltd	✔	✘

aut-num:        AS138542
as-name:        ZTINFO-AS-HK
descr:          ZT Information Network Co., Limited
descr:          Flat B, 5/F, Wing Cheong Comm Bldg, 19-25 Jervois St, Hong Kong
country:        HK
org:            ORG-ZINC2-AP
sponsoring-org: ORG-HKBS2-AP
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
mnt-lower:      MAINT-HKBCS-HK
mnt-routes:     MAINT-HKBCS-HK
mnt-by:         APNIC-HM
mnt-irt:        IRT-HKBCS-HK
abuse-c:        AH1166-AP
last-modified:  2026-01-26T07:44:53Z
source:         APNIC


organisation:   ORG-ZINC2-AP
org-name:       ZT Information Network Co., Limited
org-type:       OTHER
address:        ********
country:        HK
phone:          ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
admin-c:        HKBS1-AP
tech-c:         HKBS1-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2025-10-10T03:21:34Z
source:         APNIC

Last Update: 2026-06-07T03:22:37Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
APNIC	as-140570	173
APNIC	as140570:as-hkbeecloud	173
RADB	as-pnaposk001	39
JPIRR	as2497:as-iij	5182
APNIC	as138542:as-ztnet	3
RADB	as-iij	5183
RIPE	as-retn-actual-v4	12810
RADB	as-kddi6	834
APNIC	as137983:as-tianfeng	237
RADB	as2497:as-iij	5182
JPIRR	as-iij	5183
RADB	as-kdd	1155