Autonomous System details

AS3661

The Chinese University of Hong Kong  ·  cuhk.edu.hk

Hong Kong

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AS3661 – The Chinese University of Hong Kong

Field Value
Country Hong Kong
Website cuhk.edu.hk
Hosted domains 69
IPv4 addresses 73,984
IPv6 addresses 79,229,371,440,083,952,629,200,000,000
ASN type Education
Registry apnic
Allocated 24 years ago on Aug 01, 2002
Updated 3 years ago on Dec 05, 2022

IP Ranges

Netblock Company Num of IPs
137.189.0.0/16 The Chinese University of Hong Kong 65,536
203.188.64.0/20 The Chinese University of Hong Kong 4,096
123.255.64.0/21 Information Technology Services Centre 2,048
103.49.160.0/22 The Chinese University of Hong Kong 1,024
175.159.224.0/22 The Chinese University of Hong Kong 1,024
137.189.196.0/24 The Chinese University of Hong Kong 256
202.40.216.0/24 CUHK Library 256
Netblock Company
2405:3000::/32 The Chinese University of Hong Kong
2001:ce0:3::/48 Joint Universities Computer Centre Limited
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WHOIS Details

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                                                ASHandle:       AS3661
                                                OrgID:          AS3661
                                                ASName:         AS3661
                                                ASNumber:       AS3661
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 69 domain names hosted across 53 IP addresses on this ASN.

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IP Address Domain Domains on this IP
137.189.172.9 ██████████ 4
137.189.145.111 ██████████ 3
137.189.76.60 ███████ 3
137.189.89.51 ██████████ 3
137.189.97.18 ██████████ 3
123.255.64.6 ██████████ 3
137.189.41.180 ███████ 2
137.189.94.156 ██████████ 2
137.189.91.192 ██████████ 2
137.189.99.7 ██████████ 2

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Peers

There are 17 peers for this ASN.

Peers Name
AS132337 Axclusive
AS137207 Joint Universities Computer Centre Limited
AS140627 OneQode
AS18106 Viewqwest Pte Ltd
AS24482 SG.GS
AS36236 NetActuate, Inc
AS3662 Joint Universities Computer Centre Limited
AS39120 Convergenze S.p.A.
AS45474 Nexusguard Pte. Ltd.
AS45796 UIH / BB Connect
AS4635 Hong Kong Internet Exchange--Route Server 1
AS4641 The Hong Kong Internet Exchange Limited
AS49544 i3D.net B.V
AS55720 Gigabit Hosting Sdn Bhd
AS6939 Hurricane Electric LLC
AS7713 PT Telekomunikasi Indonesia
AS8359 MTS PJSC
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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams Name
AS3662 Joint Universities Computer Centre Limited
AS45474 Nexusguard Pte. Ltd.
AS4641 The Hong Kong Internet Exchange Limited
AS6939 Hurricane Electric LLC
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
103.49.163.254 AS3661 The Chinese University of Hong Kong 1.22ms from Hong Kong, HK
137.189.145.252 AS3661 The Chinese University of Hong Kong 2.02ms from Hong Kong, HK
137.189.130.253 AS3661 The Chinese University of Hong Kong 1.49ms from Hong Kong, HK
137.189.101.254 AS3661 The Chinese University of Hong Kong 1.38ms from Hong Kong, HK
137.189.29.253 AS3661 The Chinese University of Hong Kong 1.40ms from Hong Kong, HK
137.189.89.231 AS3661 The Chinese University of Hong Kong 1.11ms from Hong Kong, HK
137.189.19.252 AS3661 The Chinese University of Hong Kong 1.38ms from Hong Kong, HK
137.189.161.124 AS3661 The Chinese University of Hong Kong 1.33ms from Hong Kong, HK
137.189.54.252 AS3661 The Chinese University of Hong Kong 1.31ms from Hong Kong, HK
2405:3000:ca2d:bc0:202:45:188:2 AS3661 The Chinese University of Hong Kong 1.21ms from Hong Kong, HK
137.189.192.49 AS3661 The Chinese University of Hong Kong 1.04ms from Hong Kong, HK
137.189.13.252 AS3661 The Chinese University of Hong Kong 1.41ms from Hong Kong, HK
137.189.63.253 AS3661 The Chinese University of Hong Kong 1.37ms from Hong Kong, HK
137.189.15.253 AS3661 The Chinese University of Hong Kong 1.36ms from Hong Kong, HK
137.189.2.54 AS3661 The Chinese University of Hong Kong 1.40ms from Hong Kong, HK
137.189.94.175 AS3661 The Chinese University of Hong Kong 1.07ms from Hong Kong, HK
137.189.135.253 AS3661 The Chinese University of Hong Kong 1.76ms from Hong Kong, HK
137.189.149.253 AS3661 The Chinese University of Hong Kong 1.66ms from Hong Kong, HK
137.189.155.61 AS3661 The Chinese University of Hong Kong 1.38ms from Hong Kong, HK
137.189.59.253 AS3661 The Chinese University of Hong Kong 1.38ms from Hong Kong, HK
137.189.133.253 AS3661 The Chinese University of Hong Kong 1.59ms from Hong Kong, HK
137.189.126.253 AS3661 The Chinese University of Hong Kong 1.17ms from Hong Kong, HK
137.189.95.253 AS3661 The Chinese University of Hong Kong 1.28ms from Hong Kong, HK
137.189.75.252 AS3661 The Chinese University of Hong Kong 1.34ms from Hong Kong, HK
137.189.142.253 AS3661 The Chinese University of Hong Kong 1.73ms 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
141.30.39.141 AS680 Verein zur Foerderung eines Deutschen Forschungsnetzes e.V. 3.62ms from Berlin, DE
174.104.9.29 AS10796 Charter Communications Inc 10.17ms from Cleveland, US
46.142.139.29 AS8881 1&1 Versatel GmbH 3.07ms from Duesseldorf, DE
96.53.107.125 AS6327 Shaw Communications 0.77ms from Edmonton, CA
88.66.169.13 AS3209 Vodafone GmbH 8.70ms from Frankfurt am Main, DE
5.196.87.253 AS16276 OVH SAS 0.29ms from Gravelines, FR
154.72.210.45 AS327724 National Information Technology Authority Uganda 0.84ms from Kampala, UG
174.134.180.173 AS33363 Charter Communications, Inc 9.72ms from Los Angeles, US
151.66.151.13 AS1267 WIND TRE S.P.A. 2.77ms from Milan, IT
111.75.68.77 AS4134 CHINANET BACKBONE 3.02ms from Nanchang, CN
49.87.111.29 AS4134 CHINANET BACKBONE 4.18ms from Nanjing, CN
108.186.96.61 AS54600 PEG TECH INC 0.67ms from San Jose, US
189.204.158.45 AS18734 Operbes, S.A. de C.V. 3.20ms from Santiago de Queretaro, MX
146.235.35.205 AS31898 Oracle Corporation 0.21ms from Sao Paulo, BR
211.136.149.45 AS24400 Shanghai Mobile Communications Co.,Ltd. 3.06ms from Shanghai, CN
189.109.142.61 AS10429 TELEFÔNICA BRASIL S.A 0.91ms from São Paulo, BR
116.220.33.237 AS9824 JCOM Co., Ltd. 10.46ms from Tokyo, JP
46.171.176.13 AS5617 Orange Polska Spolka Akcyjna 4.18ms from Warsaw, PL
79.189.145.173 AS5617 Orange Polska Spolka Akcyjna 3.58ms from Wrocław, PL
117.243.250.141 AS9829 National Internet Backbone 13.40ms from Bengaluru, IN
34.218.83.221 AS16509 Amazon.com, Inc. 0.15ms from Boardman, US
72.95.110.29 AS13977 Fidium 12.07ms from Boston, US
84.192.135.45 AS6848 Telenet BV 5.63ms from Brussels, BE
74.70.203.189 AS11351 Charter Communications Inc 16.65ms from Chicago, US
50.201.78.157 AS7922 Comcast Cable Communications, LLC 1.81ms from Chicago, US

Traceroute

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

$
traceroute -a -n -q1 -m6 137.189.206.217
traceroute to 137.189.206.217 (137.189.206.217): 6 hops max, 52 byte packets
2 *
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Cayenne, GF
On

Related Networks

What is an ASN?

Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.

The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS3661 at robtex.

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