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	Prefix	Description
	144.214.0.0/16	City University of Hong Kong
	175.159.64.0/19	City University of Hong Kong
	175.159.200.0/21	City University of Hong Kong
	175.159.208.0/22	City University of Hong Kong
	202.125.216.0/21	City University of Hong Kong
	202.125.252.0/22	City University of Hong Kong
	203.188.80.0/21	City University of Hong Kong
	203.188.88.0/22	City University of Hong Kong
	2001:ce0:5::/48	Joint Universities Computer Centre Limited

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS3662	Joint Universities Computer Centre Limited	✔	✔
	AS45474	NEXUSGUARD LIMITED	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS3662	Joint Universities Computer Centre Limited	✔	✔
	AS137207	Joint Universities Computer Centre Limited	✔	✔
	AS45474	NEXUSGUARD LIMITED	✔	✘

aut-num:        AS4158
as-name:        CITYUNI-AS-AP
descr:          City University of Hong Kong
country:        HK
org:            ORG-CUOH2-AP
admin-c:        CUOH2-AP
tech-c:         CUOH2-AP
abuse-c:        AC2622-AP
mnt-lower:      MAINT-HK-CITY-UNI
mnt-routes:     MAINT-HK-CITY-UNI
mnt-by:         APNIC-HM
mnt-irt:        IRT-CITYUNI-NON-HK
last-modified:  2022-10-10T12:59:27Z
source:         APNIC


organisation:   ORG-CUOH2-AP
org-name:       City University of Hong Kong
org-type:       LIR
country:        HK
address:        Tat Chee Avenue,
address:        Kowloon,
phone:          +852-3442-7658
fax-no:         +852-3442-0366
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:17:24Z
source:         APNIC

Last Update: 2025-12-26T03:22:23Z UTC

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Member of the following AS-SETs

-	Member
RADB	as-kdd
RADB	as9269:as-hkbn-transit
RADB	as58453:as-asiaascust
NTTCOM	as-tmhk
RADB	as-pacnet-customer-proxy-register
RADB	as-iij
RADB	as-hkt-as4515
APNIC	as137207:as-harnet-re
RADB	as-pnaplax
RADB	as-kornetbgp
LEVEL3	as-level3-origins-eu
RADB	as-btn-customers
APNIC	as58453:as-asiatest
JPIRR	as-iij
RADB	as-hkt-netvigator
RADB	as3491:as-customers-ap
LEVEL3	as-level3-origins-na
RADB	as-kddi6
ARIN	as293:as-from-singaren-to-esnet
RADB	as-cti-telecom
LEVEL3	as-level3-asia
APNIC	as3662:as-harnet
RADB	as-hurricanev6
RADB	as-hkbn-transit
NTTCOM	as9269:as-hkbn-transit
RADB	as-telstra-intl-customers-4637
RADB	as-ctbc-tools
RIPE	as20965:as-from-tein-to-geant
RADB	as-nexusguard-clients
LEVEL3	as-sprint-origins
APNIC	as58453:as-asiaascust
APNIC	as-hktcustomer
ALTDB	as-hwng-downstreams
RADB	as-hutchcity
ARIN	as-xo-b