123.255.64.0/21
ERX-CUHKNET The Chinese University of Hong Kong, HK


Seen 67 times between April 30th, 2019 and November 12th, 2024.


General Info Open in Search

Geo Hong Kong (HK) —
AS AS3661 - ERX-CUHKNET The Chinese University of Hong Kong, HK
Note: An IP might be announced by multiple ASs. This is not shown.
Registrar APNIC
Route 123.255.64.0/21 (Route of ASN)

Recent Screenshots

Direct hits
Summary of pages hosted on this subnet

ASNs AS3661 | 42x

IPs 123.255.66.71 | 20x 123.255.64.6 | 8x 123.255.65.108 | 3x 123.255.64.76 | 2x 123.255.64.10 | 1x 123.255.64.12 | 1x 123.255.65.89 | 1x 123.255.65.109 | 1x 123.255.65.127 | 1x 123.255.65.146 | 1x

Domains admin.ecs2024.ehealth.cuhk.edu.hk | 5x admin.ecs2024uat.ehealth.cuhk.edu.hk | 5x api.ecs2024.ehealth.cuhk.edu.hk | 5x api.ecs2024uat.ehealth.cuhk.edu.hk | 5x symposium.hktea.edu.hk | 4x hktea.edu.hk | 3x mpup.ssc.cuhk.edu.hk | 3x internal.fabulearn.net | 2x cuhkjc-aiforfuture.hk | 1x e-platform.cuhkjc-aiforfuture.hk | 1x

Countries HK | 42x

Recent scans (42 total) Show all

URL Age
mpup.ssc.cuhk.edu.hk 11 hours
mpup.ssc.cuhk.edu.hk 11 days
www.law.cuhk.edu.hk/app/ 20 days
mpup.ssc.cuhk.edu.hk 21 days
e-platform.cuhkjc-aiforfuture.hk 25 days

Incoming hits
Summary of pages that talked to this subnet

ASNs AS45474 | 18x AS16509 | 3x AS139659 | 2x AS13335 | 1x AS20446 | 1x

IPs 27.126.235.25 | 18x 154.204.60.88 | 2x 13.32.99.41 | 1x 18.245.46.103 | 1x 52.85.65.71 | 1x 104.21.50.83 | 1x 151.139.128.11 | 1x

Domains cuhk.edu.hk | 12x www.cuhk.edu.hk | 10x secure-opt.homehosts.net | 2x blogfreely.net | 1x

Countries HK | 20x US | 4x

Recent scans (25 total) Show all

URL Age
cuhk.edu.hk/english/index.html 2 months
cuhk.edu.hk/english/index.html 3 months
www.cuhk.edu.hk/clear/ 4 months
secure-opt.homehosts.net/english/index.html 4 months
www.cuhk.edu.hk/english/index.html 4 months

Disclaimer

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Recent screenshots
Screenshots of pages hosted on this subnet

Related infrastructure
Summary of infrastructure which pages hosted on this subnet frequently talked to

IPs 123.255.66.71 | 20x 123.255.64.6 | 8x 123.255.65.108 | 3x 123.255.64.76 | 2x 123.255.64.10 | 1x 123.255.64.12 | 1x 123.255.65.89 | 1x 123.255.65.109 | 1x 123.255.65.127 | 1x 123.255.65.146 | 1x

Domains admin.ecs2024.ehealth.cuhk.edu.hk | 5x admin.ecs2024uat.ehealth.cuhk.edu.hk | 5x api.ecs2024.ehealth.cuhk.edu.hk | 5x api.ecs2024uat.ehealth.cuhk.edu.hk | 5x symposium.hktea.edu.hk | 4x hktea.edu.hk | 3x mpup.ssc.cuhk.edu.hk | 3x internal.fabulearn.net | 2x cuhkjc-aiforfuture.hk | 1x e-platform.cuhkjc-aiforfuture.hk | 1x

Recently observed hostnames on '123.255.64.0/21'
Searching for newly observed domains and hostnames is possible on our urlscan Pro platform.

analytics.e-platform.cuhkjc-aiforfuture.hk | 2024-09-25 e-platform.cuhkjc-aiforfuture.hk | 2024-07-15 qr.hktea.edu.hk | 2024-06-13 clearwebsite-dev.mcuhk.com | 2024-05-10 symposium.hktea.edu.hk | 2024-04-23 admin.ecs2024.ehealth.cuhk.edu.hk | 2024-03-25 api.ecs2024.ehealth.cuhk.edu.hk | 2024-03-25 admin.ecs2024uat.ehealth.cuhk.edu.hk | 2024-01-25 api.ecs2024uat.ehealth.cuhk.edu.hk | 2024-01-25 gogo-clinic.cuhk.edu.hk | 2023-12-27 mcu.ureply.mobi | 2023-07-27 mpup.ssc.cuhk.edu.hk | 2023-05-21 gcni.cuhk.edu.hk | 2023-05-05 mms.jcsath.cuhk.edu.hk | 2023-04-25 hubs.ureply.mobi | 2023-03-16 mail.jc-wewatch.org.hk | 2023-02-26 uat.jcsath.cuhk.edu.hk | 2023-01-18 jc-wewatch.org.hk | 2023-01-17 www.jc-wewatch.org.hk | 2023-01-17 www-00.hkca.edu.hk | 2023-01-10 jcblendedlearning.fabulearn.net | 2022-12-20 interncourse.med.cuhk.edu.hk | 2022-11-17 anaesthesiology.hk | 2022-11-14 www.anaesthesiology.hk | 2022-11-14 aic.work.gd | 2022-11-02 cop.hktea.edu.hk | 2022-09-30 hkca.work.gd | 2022-07-27 www.hkca.work.gd | 2022-07-25 cumember-temp.jc.ehealth.cuhk.edu.hk | 2022-06-17 cuehealth-api-temp.jc.ehealth.cuhk.edu.hk | 2022-06-17 cueportal-temp.jc.ehealth.cuhk.edu.hk | 2022-06-17 cuhknewasia-uat.aa-testing.com | 2022-06-09 path01.acp.cuhk.edu.hk | 2022-06-01 cuehealth-api-uat.jc.ehealth.cuhk.edu.hk | 2022-04-26 cueportal-uat.jc.ehealth.cuhk.edu.hk | 2022-04-26 cumember-uat.jc.ehealth.cuhk.edu.hk | 2022-04-26 iso.cuhk.edu.hk | 2022-04-25 ioa.cuhk.edu.hk | 2022-03-23 www.ecsuat.ehealth.cuhk.edu.hk | 2022-03-17 cop22.elite.cuhk.edu.hk | 2022-03-04 www.ecs.ehealth.cuhk.edu.hk | 2022-01-07 www.ha.cuhk.edu.hk | 2021-12-29 www.cuhkjc-aiforfuture.hk | 2021-12-09 web.uprdatabase.net | 2021-12-02 madeeasy.hk | 2021-11-10 www.madeeasy.hk | 2021-11-10 medme.cuhk.edu.hk | 2021-11-10 www.medme.cuhk.edu.hk | 2021-11-10 member.jc.ehealth.cuhk.edu.hk | 2021-11-08 coop-static.keep.edu.hk | 2021-09-17

Attention: These domains and hostnames were discovered through Certificate Transparency (CT) Logs and have been irrevocably published as part of the public record. There is no mechanism for us or anyone else to remove this information from the Internet.

Related screenshots
Screenshots of pages that talked to this subnet

WHOIS for 123.255.64.0/21