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	Prefix	Description
	103.11.228.0/24	i-System Technology Limited
	103.11.229.0/24	i-System Technology Limited
	103.11.230.0/24	i-System Technology Limited
	103.11.231.0/24	i-System Technology Limited
	103.15.20.0/24	01Link Network Services Limited
	103.15.21.0/24	01Link Network Services Limited
	103.15.22.0/24	01Link Network Services Limited
	103.15.23.0/24	01Link Network Services Limited
	180.188.192.0/24	i-System Technology Limited
	180.188.193.0/24	i-System Technology Limited
	180.188.194.0/24	i-System Technology Limited
	180.188.195.0/24	i-System Technology Limited
	182.173.76.0/24	i-System Technology Limited
	182.173.77.0/24	i-System Technology Limited
	182.173.78.0/24	i-System Technology Limited
	182.173.79.0/24	i-System Technology Limited
	2404:fc00:20::/48	i-System Technology Limited
	2404:fc00:21::/48	i-System Technology Limited
	2404:fc00:22::/48	i-System Technology Limited
	2404:fc00:23::/48	i-System Technology Limited
	2404:fc00:76::/48	i-System Technology Limited
	2404:fc00:77::/48	i-System Technology Limited
	2404:fc00:78::/48	i-System Technology Limited
	2404:fc00:79::/48	i-System Technology Limited
	2404:fc00:192::/48	i-System Technology Limited
	2404:fc00:193::/48	i-System Technology Limited
	2404:fc00:194::/48	i-System Technology Limited
	2404:fc00:195::/48	i-System Technology Limited
	2404:fc00:230::/48	i-System Technology Limited
	2404:fc00:231::/48	i-System Technology Limited
	2404:fc00:1001::/48	i-System Technology Limited
	2404:fc00:1002::/48	i-System Technology Limited
	2404:fc00:1003::/48	i-System Technology Limited
	2404:fc00:1004::/48	i-System Technology Limited
	2404:fc00:1005::/48	i-System Technology Limited
	2404:fc00:1006::/48	i-System Technology Limited
	2404:fc00:1007::/48	i-System Technology Limited
	2404:fc00:1008::/48	i-System Technology Limited

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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	✔	✔
	AS9381	HKBN Enterprise Solutions HK Limited	✔	✘
	AS6939	Hurricane Electric LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✘	✔
	AS140570	Hong Kong Beecloud System Technology Services Limited	✔	✔
	AS9381	HKBN Enterprise Solutions HK Limited	✔	✘
	AS4635	HKIX Route Servers	✔	✔
	AS49544	i3D.net B.V	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS9886	CTCSCI TECH LIMITED	✔	✔
	AS24482	SG.GS	✔	✔
	AS140627	OneQode	✔	✘
	AS39120	Convergenze S.p.A.	✔	✘
	AS8359	MTS PJSC	✔	✘

aut-num:        AS45910
as-name:        ISYSTEMTECH-HK
descr:          i-System Technology Limited
country:        HK
org:            ORG-ITL1-AP
admin-c:        HM1244-AP
tech-c:         HM1244-AP
abuse-c:        AI530-AP
mnt-lower:      MAINT-HK-ISYSTEMTECH
mnt-routes:     MAINT-HK-ISYSTEMTECH
mnt-by:         APNIC-HM
mnt-irt:        IRT-ISYSTEMTECH-HK
last-modified:  2020-07-09T09:53:35Z
source:         APNIC


organisation:   ORG-ITL1-AP
org-name:       i-System Technology Limited
org-type:       LIR
country:        HK
address:        ********
address:        ********
phone:          ********
fax-no:         ********
# Email removed, Log into bgp.tools to see whois emails/phone numbers
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:35Z
source:         APNIC

Last Update: 2026-05-07T03:22:27Z UTC

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Member of the following AS-SETs

-	Member
RADB	as-hkix
RADB	as-bbix-t-v6
RADB	as-hknet
APNIC	as-hwcloud-ipt
APNIC	as140570:as-hkbeecloud
RADB	as-hutchcity
RADB	as-pacnet-downstream-ph
RADB	as-hwcloud-ipt
RIPE	as-retn-actual-v4
RADB	as58453:as-asiaascust
RADB	as-telstra-intl-customers-4637
RADB	as-kornetbgp
RADB	as-kddi6
APNIC	as-140570
APNIC	as58453:as-asiatest
JPIRR	as-bbix-t
JPIRR	as-bbix-t-v6
APNIC	as58453:as-asiaascust
NTTCOM	as9381:as-9381-transit
RADB	as-bbix-t
RADB	as-pacnet-downstream-hk
APNIC	as58453:as-asiatest2
RIPE	as-retn-actual-v6
RADB	as-kdd
RADB	as-hurricanev6