203.188.112.0/24

AS3662  ·  Joint Universities Computer Centre Limited

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Summary

Country Hong Kong
Domain jucc.edu.hk
ASN AS3662
Registry APNIC
ID HARNET-NET

WHOIS Details

inetnum:        203.188.112.0 - 203.188.112.255
netname:        HARNET-NET
descr:          HARNET Backbone
country:        HK
admin-c:        AC88-AP
tech-c:         HTS5-AP
abuse-c:        AJ481-AP
status:         ALLOCATED NON-PORTABLE
notify:         anita.chan@jucc.edu.hk
mnt-by:         MAINT-JUCC-AP
mnt-lower:      MAINT-JUCC-AP
mnt-routes:     MAINT-JUCC-AP
mnt-irt:        IRT-JUCC-HK
last-modified:  2021-05-12T03:11:50Z
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:         hartech@jucc.edu.hk
abuse-mailbox:  hartech@jucc.edu.hk
admin-c:        GM806-AP
tech-c:         DC1224-AP
tech-c:         HTS5-AP
auth:           # Filtered
remarks:        hartech@jucc.edu.hk was validated on 2025-06-17
mnt-by:         MAINT-JUCC-AP
last-modified:  2025-11-18T00:26:35Z
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:         hartech@jucc.edu.hk
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:        hartech@jucc.edu.hk was validated on 2025-06-17
abuse-mailbox:  hartech@jucc.edu.hk
mnt-by:         APNIC-ABUSE
last-modified:  2025-06-17T15:42:14Z
source:         APNIC

role:           HARNET Technical Support
address:        Joint Universities Computer Centre Ltd
address:        c/o ITS, The University of Hong Kong
address:        Pokfulam
country:        HK
phone:          +852-2859-2491
fax-no:         +852-2559-7904
e-mail:         hartech@jucc.edu.hk
admin-c:        GM806-AP
tech-c:         DC1224-AP
tech-c:         HTS5-AP
nic-hdl:        HTS5-AP
notify:         GM@jucc.edu.hk
abuse-mailbox:  abuse@jucc.edu.hk
mnt-by:         MAINT-JUCC-AP
last-modified:  2021-07-15T02:42:16Z
source:         APNIC

person:         Anita W Y CHAN
nic-hdl:        AC88-AP
e-mail:         anita.chan@jucc.edu.hk
address:        Joint Universities Computer Centre
address:        c/o Information Technology Services
address:        The University of Hong Kong
address:        Pokfulam Road
address:        Hong Kong
phone:          +852-2859-2491
fax-no:         +852-2559-7904
country:        HK
mnt-by:         MAINT-JUCC-AP
last-modified:  2013-08-06T06:17:14Z
source:         APNIC

Nearby Ranges

BGP prefixes that overlap with 203.188.0.0/16

Range ASN Company Num of IPs
203.188.0.0/18 AS7693 KSC Internet Commercial Co., Ltd. 16,384
203.188.128.0/19 AS4826 VOCUS PTY LTD 8,192
203.188.16.0/20 AS55760 ********************************************** 4,096
203.188.64.0/20 AS3661 The Chinese University of Hong Kong 4,096
203.188.240.0/20 AS9832 Information Services Network 4,096
203.188.48.0/20 AS55760 ********************************************** 4,096
203.188.232.0/21 AS38182 Extreme Broadband Sdn. Bhd., 2,048
203.188.224.0/21 AS38794 United Information Highway Co.,Ltd. 2,048
203.188.208.0/21 AS24259 kanuma cable television Corporation 2,048
203.188.104.0/21 AS3363 Hong Kong University of Science and Technology 2,048
203.188.200.0/22 AS24506 Yahoo! Taiwan, Teipei, Taiwan 1,024
203.188.184.0/22 AS5511 Orange S.A. 1,024
203.188.124.0/22 AS7651 Lingnan University 1,024
203.188.176.0/22 AS5511 Orange S.A. 1,024
203.188.92.0/23 AS7650 The Education University of Hong Kong 512
203.188.94.0/23 AS7650 The Education University of Hong Kong 512
203.188.183.0/24 AS3257 VPN Consumer Paris, France 256
203.188.117.0/24 AS3662 HARNET Backbone 256
203.188.118.0/24 AS3662 HARNET Backbone 256
203.188.239.0/24 AS38182 Extreme Broadband 256
203.188.188.0/24 AS5511 Orange S.A. 256
203.188.160.0/24 AS55410 Vodafone Idea Ltd 256
203.188.161.0/24 AS55410 Vodafone Idea Ltd 256
203.188.162.0/24 AS55410 Vodafone Idea Ltd 256
203.188.163.0/24 AS55410 Vodafone Idea Ltd 256
203.188.165.0/24 AS62240 VPN Consumer Atlanta, United States of America 256
203.188.181.0/24 AS62240 VPN Consumer Frankfurt, Germany 256
203.188.240.0/24 AS9832 Loopback Address 256
203.188.241.0/24 AS9832 ISN Khulna POP 256
203.188.242.0/24 AS9832 Corporate Broadband 256
203.188.243.0/24 AS9832 Home Broadband 256
203.188.244.0/24 AS9832 Home Broadband 256
203.188.245.0/24 AS9832 Home Broadband 256
203.188.246.0/24 AS9832 Corporate Broadband 256
203.188.248.0/24 AS9832 ISN Narayangonj POP 256
203.188.249.0/24 AS9832 ISN Narayangonj POP 256
203.188.250.0/24 AS9832 Corporate Broadband 256
203.188.251.0/24 AS9832 ISN Uttara POP 256
203.188.252.0/24 AS9832 ISN Network 256
203.188.253.0/24 AS9832 Dial-Up Service 256
203.188.254.0/24 AS9832 ISN Gulshan POP 256
203.188.175.0/24 AS137409 VPN Consumer Dallas, United States of America 256
203.188.255.0/24 AS9832 ISN Gulshan POP 256
203.188.189.0/24 AS137409 VPN Consumer Singapore, Republic of Singapore 256
203.188.190.0/24 AS137409 VPN Consumer Singapore, Republic of Singapore 256
203.188.191.0/24 AS137409 VPN Consumer Singapore, Republic of Singapore 256
203.188.171.0/24 AS19318 1337 Services GmbH 256
203.188.168.0/24 AS206092 VPN Consumer Sao Paulo, Brazil 256
203.188.166.0/24 AS209155 Onehostplanet s.r.o. 256

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

43 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
203.188.112.7 AS3662 Joint Universities Computer Centre Limited 1.50ms from Hong Kong, HK

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
204.204.89.120 AS7421 Sprint 0.11ms from Ashburn, US
89.152.236.200 AS2860 NOS COMUNICACOES, S.A. 6.79ms from Braga, PT
172.74.169.232 AS11426 Charter Communications Inc 7.33ms from Charlotte, US
183.57.32.40 AS4134 CHINANET-BACKBONE 7.42ms from Guangzhou, CN
175.168.44.200 AS4837 CHINA UNICOM China169 Backbone 13.59ms from Liaoyang, CN
76.88.229.104 AS20001 Charter Communications Inc 8.90ms from Los Angeles, US
167.17.254.104 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
54.215.134.104 AS16509 Amazon.com, Inc. 0.15ms from San Jose, US
115.18.214.40 AS4766 Korea Telecom 8.96ms from Seoul, KR
16.16.1.24 AS16509 Amazon.com, Inc. 0.46ms from Stockholm, SE
155.91.8.8 AS7054 Merck and Co., Inc. 0.68ms from Ashburn, US
102.50.240.40 AS6713 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM 5.42ms from Casablanca, MA
174.100.254.104 AS10796 Charter Communications Inc 9.86ms from Columbus, US
24.100.185.168 AS11492 CABLE ONE, INC. 5.03ms from Dallas, US
84.92.112.184 AS6871 Plusnet 2.92ms from Erith, GB
109.105.64.104 AS8359 MTS PJSC 12.52ms from Krasnoyarsk, RU
193.248.190.56 AS3215 Orange S.A. 1.68ms from Paris, FR
119.167.238.168 AS4837 CHINA UNICOM China169 Backbone 0.88ms from Qingdao, CN
14.80.118.200 AS4766 Korea Telecom 5.82ms from Seoul, KR
175.213.87.72 AS4766 Korea Telecom 1.75ms from Seoul, KR
31.211.244.56 AS33885 Telenor Sverige AB 0.89ms from Stockholm, SE
185.145.143.24 AS59494 Enigma Telecom Ltd. 11.95ms from Stockholm, SE
177.206.104.40 AS18881 TELEFÔNICA BRASIL S.A 12.44ms from São Paulo, BR
79.119.21.88 AS8708 DIGI ROMANIA S.A. 3.76ms from Timisoara, RO
118.67.85.152 AS15830 Equinix (EMEA) Acquisition Enterprises B.V. 1.15ms from Tokyo, JP

Traceroute

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

$
traceroute -a -n -q1 -f4 203.188.112.10
traceroute to 203.188.112.10 (203.188.112.10): 64 hops max, 52 byte packets
4 [AS3662] 203.188.117.6 1.465 ms
5 *
Measurement taken from IPinfo ProbeNet in Hong Kong, HK
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.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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