AS Number
AS3661
AS Name
ERX-CUHKNET
Org Name
The Chinese University of Hong Kong
Country / Region
Hong Kong
Registry

apnic

RegDate

Updated

2022-12-05T02:41:49Z

IPv4Prefixes

8

IPv6Prefixes

2

IPv4 NUMs

73,984

IPv6 NUMs(/64)

4,295,032,832

73,984 IPv4 Addresses
CIDR Description IP Num
103.49.160.0/22
IRR InValid
CUHKNET The Chinese University of Hong Kong 1024
123.255.64.0/21
IRR InValid
CUHKNET Information Technology Services Centre 2048
137.189.0.0/24
IRR Valid
CUHKNET The Chinese University of Hong Kong 256
137.189.0.0/16
IRR InValid
CUHKNET The Chinese University of Hong Kong 65536
137.189.196.0/24
IRR InValid
CUHKNET The Chinese University of Hong Kong 256
175.159.224.0/22
IRR InValid
CUHKNET The Chinese University of Hong Kong 1024
202.40.216.0/24
IRR Valid
CULIB-HK CUHK Library 256
203.188.64.0/20
IRR InValid
CUHK-HK country: HK The Chinese University of Hong Kong 4096
CIDR Description IP NUMs(prefix /64)
2001:ce0:3::/48
IRR Valid
HARNET-IPV6-HK-20021224 Joint Universities Computer Centre Limited 65536
2405:3000::/32
IRR Valid
CUHKNET-HK The Chinese University of Hong Kong 4294967296
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS17579 KREONET2-AS-KR - KISTI, KR Republic of Korea 6,668 0 IPv4 IPv4
AS3662 HARNET - Joint Universities Computer Centre Limited, HK Hong Kong 1,792 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS4635 HKIX-RS1 - The Hong Kong Internet Exchange Limited, HK Hong Kong 2,048 0 IPv4 IPv4 IPv6 IPv6
AS6939 HURRICANE - Hurricane Electric LLC, US United States 550,912 282,631,682,457,600 IPv4 IPv4 IPv6 IPv6
AS137207 JUCC-AS-AP - Joint Universities Computer Centre Limited, HK Hong Kong 1,024 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7660 APAN-JP - Asia Pacific Advanced Network - Japan, JP Japan 1,024 553,648,128 IPv4 IPv4 IPv6 IPv6
AS9002 RETN-AS - RETN Limited, GB United Kingdom 27,392 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS49544 i3Dnet - i3D.net B.V, NL Netherlands 94,464 354,874,032,128 IPv4 IPv4 IPv6 IPv6
AS45796 UIH-BBCONNECT-AS-AP - UIH / BB Connect, TH Thailand 2,048 4,294,967,296 IPv6 IPv6
AS24482 SGGS-AS-AP - SG.GS, SG Singapore 21,504 4,294,967,296 IPv4 IPv4
AS38008 APERTURE-AS-AP - Aperture Science Limited, HK Hong Kong 2,048 4,578,082,816 IPv4 IPv4 IPv6 IPv6
AS132337 ANSPL-AS-AP - AXCLUSIVE PTE. LTD., SG Singapore 7,680 4,294,967,296 IPv4 IPv4
AS4641 HKIX-AS-AP - The Hong Kong Internet Exchange Limited, HK Hong Kong 12,288 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS18106 VIEWQWEST-SG-AP - Viewqwest Pte Ltd, SG Singapore 53,248 13,153,337,344 IPv4 IPv4
AS23911 CNGI-BJIX-AS-AP - China Next Generation Internet Beijing IX, CN China 512 4,295,032,832 IPv6 IPv6

Peers at this Exchange Point

Country / Region IX IPv4 IPv6 Port Speed Updated
Hong Kong HKIX - Hong Kong Internet Exchange 123.255.91.50 100 Mbps 2020-02-19 04:08:19

Private Peering Facilities

Country / Region Name City Website Updated
IP Address Domain NUMs Domains
103.49.160.227 1 www.tcptest.net
aut-num:        AS3661
as-name:        ERX-CUHKNET
descr:          The Chinese University of Hong Kong
descr:          Information Technology Services Centre
country:        HK
remarks:        This aut-num object created as part of the ER-Transfer from ARIN
org:            ORG-CUOH1-AP
admin-c:        NA17-AP
tech-c:         NT27-AP
abuse-c:        AC2019-AP
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CUHKNET-HK
mnt-routes:     MAINT-CUHKNET-HK
mnt-irt:        IRT-CUHKNET-HK
last-modified:  2022-12-05T02:41:49Z
source:         APNIC

irt:            IRT-CUHKNET-HK
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
e-mail:         noc-admin@cuhk.edu.hk
abuse-mailbox:  noc-admin@cuhk.edu.hk
admin-c:        NA17-AP
tech-c:         NT27-AP
auth:           # Filtered
remarks:        noc-admin@cuhk.edu.hk was validated on 2024-10-30
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2024-10-30T00:58:46Z
source:         APNIC

organisation:   ORG-CUOH1-AP
org-name:       The Chinese University of Hong Kong
org-type:       LIR
country:        HK
address:        Information Technology Service Centre
address:        G/F., Pi-Chiu Building
phone:          +852-3943-8848
fax-no:         +852-2603-5001
e-mail:         noc-admin@cuhk.edu.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:42Z
source:         APNIC

role:           ABUSE CUHKNETHK
country:        ZZ
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
phone:          +000000000
e-mail:         noc-admin@cuhk.edu.hk
admin-c:        NA17-AP
tech-c:         NT27-AP
nic-hdl:        AC2019-AP
remarks:        Generated from irt object IRT-CUHKNET-HK
remarks:        noc-admin@cuhk.edu.hk was validated on 2024-10-30
abuse-mailbox:  noc-admin@cuhk.edu.hk
mnt-by:         APNIC-ABUSE
last-modified:  2024-10-30T00:59:29Z
source:         APNIC

person:         Network Administration Contact
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        HK
phone:          +852-3943-8830
fax-no:         +852-2603-5001
e-mail:         noc-admin@cuhk.edu.hk
nic-hdl:        NA17-AP
notify:         noc-admin@cuhk.edu.hk
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2012-09-19T01:45:32Z
source:         APNIC

person:         Network Technical Contact
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        HK
phone:          +852-3943-8830
fax-no:         +852-2603-5001
e-mail:         noc-tech@cuhk.edu.hk
nic-hdl:        NT27-AP
notify:         noc-tech@cuhk.edu.hk
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2012-09-19T01:46:08Z
source:         APNIC