175.159.240.0/22

AS3363  ·  Hong Kong University of Science and Technology

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Summary

Country Hong Kong
Domain ust.hk
ASN AS3363
Registry APNIC
ID HKUST-HK

WHOIS Details

inetnum:        175.159.240.0 - 175.159.243.255
netname:        HKUST-HK
descr:          The Hong Kong University of Science and Technology
descr:          Clear Water Bay, Kowloon
country:        HK
admin-c:        CC47-AP
tech-c:         KT29-AP
abuse-c:        AJ481-AP
status:         ASSIGNED NON-PORTABLE
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
remarks:        Please send abuse reports to [email protected]
remarks:        -+-+-+-+-+-+-+-+-+-+-+-++-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
notify:         [email protected]
mnt-by:         MAINT-JUCC-AP
mnt-lower:      MAINT-JUCC-AP
mnt-routes:     MAINT-JUCC-AP
mnt-irt:        IRT-JUCC-HK
last-modified:  2021-05-12T03:11:49Z
source:         APNIC

irt:            IRT-JUCC-HK
address:        Joint Universities Computer Centre
address:        c/o Information Technology Services
address:        The University of Hong Kong
address:        Pokfulam Road
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        GM806-AP
tech-c:         DC1224-AP
tech-c:         HTS5-AP
auth:           # Filtered
remarks:        [email protected] was validated on 2025-12-23
mnt-by:         MAINT-JUCC-AP
last-modified:  2025-12-23T16:12:47Z
source:         APNIC

role:           ABUSE JUCCHK
country:        ZZ
address:        Joint Universities Computer Centre
address:        c/o Information Technology Services
address:        The University of Hong Kong
address:        Pokfulam Road
phone:          +000000000
e-mail:         [email protected]
admin-c:        GM806-AP
tech-c:         DC1224-AP
tech-c:         HTS5-AP
nic-hdl:        AJ481-AP
remarks:        Generated from irt object IRT-JUCC-HK
remarks:        [email protected] was validated on 2025-12-23
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-12-23T16:13:17Z
source:         APNIC

person:         Charles Choy
address:        Information Technology Services Center Hong Kong University of Science & Technology Clear Water Bay Kowloon Hong Kong
country:        HK
phone:          +852 2358 6208
e-mail:         [email protected]
nic-hdl:        CC47-AP
remarks:        ----------
remarks:        imported from ARIN object:
remarks:        
remarks:        poc-handle:  CC293-ARIN
remarks:        is-role:     N
remarks:        last-name:   Choy
remarks:        first-name:  Charles
remarks:        street:      Information Technology Services Center Clear Water Bay
remarks:        city:        Kowloon
remarks:        country:     HK
remarks:        mailbox:     [email protected]
remarks:        bus-phone:   (852) 2358 6208
remarks:        reg-date:    1970-01-01
remarks:        changed:     [email protected] 20020925
remarks:        source:      ARIN
remarks:        
remarks:        ----------
notify:         [email protected]
mnt-by:         MAINT-HK-HKUST
last-modified:  2008-09-04T07:29:21Z
source:         APNIC

person:         K K Tam
nic-hdl:        KT29-AP
e-mail:         [email protected]
address:        Information Technology Services Center
address:        Hong Kong University of Science & Technology
address:        Clear Water Bay
address:        Kowloon
address:        Hong Kong
phone:          +852 2358 6246
fax-no:         +852 2358 0967
country:        HK
mnt-by:         MAINT-HK-HKUST
last-modified:  2008-09-04T07:29:21Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 175.159.0.0/16

Range ASN Company Num of IPs
175.159.0.0/19 AS4616 The Hong Kong Polytechnic University 8,192
175.159.96.0/19 AS3363 The Hong Kong University of Science and Technology 8,192
175.159.64.0/19 AS4158 City University of Hong Kong 8,192
175.159.192.0/21 AS4616 The Hong Kong Polytechnic University 2,048
175.159.216.0/21 AS17764 The Hong Kong Metropolitan University 2,048
175.159.144.0/21 AS4605 Hong Kong Baptist University 2,048
175.159.200.0/21 AS4158 City University of Hong Kong 2,048
175.159.228.0/22 AS4616 The Hong Kong Polytechnic University 1,024
175.159.224.0/22 AS3661 The Chinese University of Hong Kong 1,024
175.159.208.0/22 AS4158 City University of Hong Kong 1,024
175.159.212.0/22 AS4528 The University of Hong Kong 1,024
175.159.152.0/22 AS4605 Hong Kong Baptist University 1,024
175.159.156.0/23 AS4605 Hong Kong Baptist University 512

Hosted domains

There are no domains currently hosted on this ASN.

Hosted domains API

Our Hosted Domains API, or Reverse IP API returns a full list of domains that are hosted on a single IP address.
Useful for Cybersecurity

Pingable IPs

No IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

Other Pingable IPs

Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
123.63.70.230 AS55410 Vodafone Idea Ltd 1.13ms from Ahmedabad, IN
62.251.68.150 AS1136 KPN B.V. 2.42ms from Amsterdam, NL
150.125.234.182 AS668 United States Department of Defense (DoD) 0.60ms from Atlanta, US
52.232.214.118 AS8075 Microsoft Corporation 0.21ms from Boydton, US
45.134.31.6 AS27176 DataWagon LLC 0.13ms from Buffalo, US
15.190.56.70 AS16509 Amazon.com, Inc. 1.50ms from Calgary, CA
12.78.23.198 AS7018 AT&T Enterprises, LLC 0.98ms from Dallas, US
45.90.123.38 AS51167 Contabo GmbH 2.04ms from Frankfurt am Main, DE
106.60.68.22 AS134766 CHINANET Yunnan province IDC2 network 0.80ms from Kunming, CN
217.154.62.198 AS8560 IONOS SE 5.04ms from London, GB
104.160.32.70 AS25820 IT7 Networks Inc 0.35ms from Los Angeles, US
99.176.61.150 AS7018 AT&T Enterprises, LLC 18.95ms from Los Angeles, US
172.13.83.118 AS7018 AT&T Enterprises, LLC 2.34ms from Los Angeles, US
138.73.174.6 AS611 NB-PEI Educational Computer Network 15.64ms from Montreal, CA
176.192.240.118 AS12714 PJSC MegaFon 1.94ms from Moscow, RU
60.145.73.118 AS17676 SoftBank Corp. 3.71ms from Osaka, JP
180.54.221.86 AS4713 NTT DOCOMO BUSINESS,Inc. 12.92ms from Osaka, JP
20.74.1.246 AS8075 Microsoft Corporation 0.27ms from Paris, FR
128.208.36.134 AS73 University of Washington 0.44ms from Seattle, US
14.43.255.134 AS4766 Korea Telecom 6.72ms from Seoul, KR
118.217.201.230 AS9318 SK Broadband Co Ltd 7.78ms from Seoul, KR
83.250.84.54 AS1257 Tele2 Sverige AB 9.49ms from Skanderborg, DK
193.169.24.70 AS49315 Centrsvyaz CJSC 6.81ms from Warsaw, PL
99.109.104.54 AS7018 AT&T Enterprises, LLC 8.11ms from Chicago, US
54.217.52.198 AS16509 Amazon.com, Inc. 0.24ms from Dublin, IE

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.

$
traceroute -a -n -q1 -m14 175.159.243.50
traceroute to 175.159.243.50 (175.159.243.50): 14 hops max, 52 byte packets
1 [AS43350] 185.7.78.254 0.541 ms
7 [AS3491] 63.223.18.58 8.235 ms
8 [AS3491] 63.222.5.154 238.193 ms
9 [AS3491] 209.9.115.46 240.641 ms
10 [AS3662] 203.188.117.130 238.335 ms
11 [AS3363] 202.40.138.236 234.532 ms
12 *
13 *
14 *
Measurement taken from IPinfo ProbeNet in Roosendaal, NL
On

What are IP address ranges?

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

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