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	Prefix	Description
	103.84.136.0/24	Hong Kong SY Technology co.,Ltd.
	103.84.136.0/22	Room B303, Chuangwan, Block A,
	103.84.136.0/23	Room B303, Chuangwan, Block A,
	103.84.138.0/23	Room B303, Chuangwan, Block A,
	103.84.138.0/24	Hong Kong SY Technology co.,Ltd.
	2400:a040::/32	Room B303, Chuangwan, Block A,

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9304	HGC Global Communications Limited	✔	✔
	AS140595	YunJie Communication HK Company Limited	✔	✘
	AS55355	HGC Global Communications	✔	✘
	AS137995	Shuangyu Communications Technology Co., Limited	✔	✘
	AS6939	Hurricane Electric LLC	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS9304	HGC Global Communications Limited	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS137995	Shuangyu Communications Technology Co., Limited	✔	✔
	AS55355	HGC Global Communications	✔	✘
	AS140595	YunJie Communication HK Company Limited	✔	✘
	AS174	Cogent Communications, LLC	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS137995	Shuangyu Communications Technology Co., Limited	✔	✔

aut-num:        AS136237
as-name:        SSCTC-AS-AP
descr:          Shuangyu Communication Technology co.,Ltd.
country:        HK
export:         to AS6939 announce AS136237:AS-ALL
export:         to AS10103 announce AS136237:AS-ALL
export:         to AS139743 announce AS136237:AS-ALL
org:            ORG-SSCT1-AP
admin-c:        SSCT1-AP
tech-c:         SSCT1-AP
abuse-c:        AS2258-APAS2258-AP
mnt-lower:      MAINT-SSCTC-CN
mnt-routes:     MAINT-SSCTC-CN
mnt-by:         APNIC-HM
mnt-irt:        IRT-SSCTC-CN
last-modified:  2021-06-26T16:00:30Z
source:         APNIC


organisation:   ORG-SSCT1-AP
org-name:       Shanghai Shuangyu Communication Technology co.,Ltd.
org-type:       LIR
country:        CN
address:        ********
address:        ********
address:        ********
phone:          ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:08Z
source:         APNIC

Last Update: 2026-05-07T03:22:30Z UTC

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Member of the following AS-SETs

-	Member	ASN Count
RADB	as-hkbn-transit	229
RADB	as-hurricane	24736
APNIC	as139726:as-all	6
RADB	as-twig	1821
RADB	as58453:as-asiaascust	19947
APNIC	as137995:as-all	6
RADB	as-cti-telecom	284
NTTCOM	as9269:as-hkbn-transit	282
APNIC	as136237:as-all	6
RADB	as9269:as-hkbn-transit	282
APNIC	as58453:as-asiaascust	19947
APNIC	as139743:as-all	6
RADB	as-hgc-intl	5375
RIPE	as-transroute-spec	19626
RIPE	as-sbix-rs	221
RADB	as-hurricanev6	20830
APNIC	as140595:as-all	5