City: unknown
Region: unknown
Country: Hong Kong
Internet Service Provider: unknown
Hostname: unknown
Organization: unknown
Usage Type: unknown
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
NetRange: 137.189.0.0 - 137.189.255.255
CIDR: 137.189.0.0/16
NetName: APNIC-ERX-137-189-0-0
NetHandle: NET-137-189-0-0-1
Parent: NET137 (NET-137-0-0-0-0)
NetType: Early Registrations, Transferred to APNIC
OriginAS:
Organization: Asia Pacific Network Information Centre (APNIC)
RegDate: 2004-02-18
Updated: 2009-10-08
Comment: This IP address range is not registered in the ARIN database.
Comment: This range was transferred to the APNIC Whois Database as
Comment: part of the ERX (Early Registration Transfer) project.
Comment: For details, refer to the APNIC Whois Database via
Comment: WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl
Comment:
Comment: ** IMPORTANT NOTE: APNIC is the Regional Internet Registry
Comment: for the Asia Pacific region. APNIC does not operate networks
Comment: using this IP address range and is not able to investigate
Comment: spam or abuse reports relating to these addresses. For more
Comment: help, refer to http://www.apnic.net/apnic-info/whois_search2/abuse-and-spamming
Ref: https://rdap.arin.net/registry/ip/137.189.0.0
ResourceLink: https://apps.db.ripe.net/db-web-ui/query
ResourceLink: whois.apnic.net
OrgName: Asia Pacific Network Information Centre
OrgId: APNIC
Address: PO Box 3646
City: South Brisbane
StateProv: QLD
PostalCode: 4101
Country: AU
RegDate:
Updated: 2012-01-24
Ref: https://rdap.arin.net/registry/entity/APNIC
ReferralServer: whois://whois.apnic.net
ResourceLink: http://wq.apnic.net/whois-search/static/search.html
OrgTechHandle: AWC12-ARIN
OrgTechName: APNIC Whois Contact
OrgTechPhone: +61 7 3858 3188
OrgTechEmail: search-apnic-not-arin@apnic.net
OrgTechRef: https://rdap.arin.net/registry/entity/AWC12-ARIN
OrgAbuseHandle: AWC12-ARIN
OrgAbuseName: APNIC Whois Contact
OrgAbusePhone: +61 7 3858 3188
OrgAbuseEmail: search-apnic-not-arin@apnic.net
OrgAbuseRef: https://rdap.arin.net/registry/entity/AWC12-ARIN
#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#
Found a referral to whois.apnic.net.
% [whois.apnic.net]
% Whois data copyright terms http://www.apnic.net/db/dbcopyright.html
% Information related to '137.189.0.0 - 137.189.255.255'
% Abuse contact for '137.189.0.0 - 137.189.255.255' is 'noc-admin@cuhk.edu.hk'
inetnum: 137.189.0.0 - 137.189.255.255
netname: CUHKNET
descr: The Chinese University of Hong Kong
descr: Information Technology Services Centre
country: HK
org: ORG-CUOH1-AP
admin-c: NA17-AP
tech-c: NT27-AP
status: ALLOCATED PORTABLE
abuse-c: AC2019-AP
remarks: --------------------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: --------------------------------------------------------
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 2025-11-12
mnt-by: MAINT-CUHKNET-HK
last-modified: 2025-11-18T00:26:31Z
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 2025-11-12
abuse-mailbox: noc-admin@cuhk.edu.hk
mnt-by: APNIC-ABUSE
last-modified: 2025-11-12T01:03:41Z
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
% Information related to '137.189.0.0/16AS3661'
route: 137.189.0.0/16
origin: AS3661
descr: Chinese University of Hong Kong (The)
Information Technology Service Centre
G/F., Pi-Chiu Building
CUHK
mnt-by: MAINT-CUHKNET-HK
last-modified: 2022-11-04T09:24:25Z
source: APNIC
% This query was served by the APNIC Whois Service version 1.88.47 (WHOIS-AU4); <<>> DiG 9.10.3-P4-Ubuntu <<>> 137.189.160.186
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10196
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;137.189.160.186. IN A
;; AUTHORITY SECTION:
. 30 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2026032801 1800 900 604800 86400
;; Query time: 5 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Mar 29 04:32:39 CST 2026
;; MSG SIZE rcvd: 108Host 186.160.189.137.in-addr.arpa. not found: 3(NXDOMAIN)Server: 183.60.83.19
Address: 183.60.83.19#53
** server can't find 186.160.189.137.in-addr.arpa: NXDOMAIN| IP | Type | Details | Datetime |
|---|---|---|---|
| 91.229.112.7 | attackspambots | 25 packets to ports 3075 3147 3148 3151 3160 3234 3243 3245 3326 3367 3448 3575 3594 3697 3700 3777 3782 3793 3811 3814 3815 3839 3972 3977 |
2020-08-13 18:17:56 |
| 201.148.166.9 | attackbots | port scan and connect, tcp 23 (telnet) |
2020-08-13 18:42:47 |
| 64.227.62.250 | attackbotsspam | "Unauthorized connection attempt on SSHD detected" |
2020-08-13 18:36:08 |
| 106.52.20.112 | attack | Aug 13 16:58:12 itv-usvr-01 sshd[20050]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.20.112 user=root Aug 13 16:58:14 itv-usvr-01 sshd[20050]: Failed password for root from 106.52.20.112 port 48050 ssh2 Aug 13 17:02:52 itv-usvr-01 sshd[20246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.20.112 user=root Aug 13 17:02:53 itv-usvr-01 sshd[20246]: Failed password for root from 106.52.20.112 port 54516 ssh2 Aug 13 17:07:04 itv-usvr-01 sshd[20427]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.20.112 user=root Aug 13 17:07:07 itv-usvr-01 sshd[20427]: Failed password for root from 106.52.20.112 port 59952 ssh2 |
2020-08-13 18:40:18 |
| 122.51.56.205 | attackspambots | Aug 13 11:47:58 *hidden* sshd[51913]: Failed password for *hidden* from 122.51.56.205 port 38054 ssh2 Aug 13 11:48:55 *hidden* sshd[52065]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.56.205 user=root Aug 13 11:48:57 *hidden* sshd[52065]: Failed password for *hidden* from 122.51.56.205 port 46558 ssh2 |
2020-08-13 18:20:04 |
| 195.154.179.3 | attackbots | SSH authentication failure x 6 reported by Fail2Ban ... |
2020-08-13 18:27:51 |
| 36.77.27.77 | attackspam | 1597290484 - 08/13/2020 05:48:04 Host: 36.77.27.77/36.77.27.77 Port: 445 TCP Blocked |
2020-08-13 18:46:45 |
| 138.121.128.19 | attackspam | 2020-08-12 23:16:34.372024-0500 localhost sshd[1565]: Failed password for root from 138.121.128.19 port 35192 ssh2 |
2020-08-13 18:23:37 |
| 206.189.91.244 | attackspam | Aug 13 08:23:07 rush sshd[18063]: Failed password for root from 206.189.91.244 port 41512 ssh2 Aug 13 08:27:30 rush sshd[18176]: Failed password for root from 206.189.91.244 port 51836 ssh2 ... |
2020-08-13 18:24:44 |
| 178.32.105.63 | attack | Aug 13 11:30:13 rocket sshd[10045]: Failed password for root from 178.32.105.63 port 44292 ssh2 Aug 13 11:37:34 rocket sshd[10981]: Failed password for root from 178.32.105.63 port 39856 ssh2 ... |
2020-08-13 18:39:13 |
| 106.52.93.202 | attackspam | Aug 13 10:17:11 dev0-dcde-rnet sshd[27845]: Failed password for root from 106.52.93.202 port 57546 ssh2 Aug 13 10:23:05 dev0-dcde-rnet sshd[27861]: Failed password for root from 106.52.93.202 port 36306 ssh2 |
2020-08-13 18:20:21 |
| 103.98.17.94 | attackbotsspam | Aug 13 11:51:15 *hidden* sshd[52470]: Failed password for *hidden* from 103.98.17.94 port 57922 ssh2 Aug 13 11:54:00 *hidden* sshd[52730]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.98.17.94 user=root Aug 13 11:54:03 *hidden* sshd[52730]: Failed password for *hidden* from 103.98.17.94 port 55176 ssh2 |
2020-08-13 18:56:17 |
| 212.47.229.4 | attack | Aug 13 10:45:44 roki sshd[26631]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.47.229.4 user=root Aug 13 10:45:46 roki sshd[26631]: Failed password for root from 212.47.229.4 port 57442 ssh2 Aug 13 10:45:48 roki sshd[26631]: Failed password for root from 212.47.229.4 port 57442 ssh2 Aug 13 10:45:50 roki sshd[26631]: Failed password for root from 212.47.229.4 port 57442 ssh2 Aug 13 10:45:51 roki sshd[26631]: Failed password for root from 212.47.229.4 port 57442 ssh2 ... |
2020-08-13 18:33:17 |
| 112.194.201.16 | attackbots | Aug 13 08:56:20 journals sshd\[57900\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.194.201.16 user=root Aug 13 08:56:22 journals sshd\[57900\]: Failed password for root from 112.194.201.16 port 56074 ssh2 Aug 13 09:00:07 journals sshd\[58290\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.194.201.16 user=root Aug 13 09:00:08 journals sshd\[58290\]: Failed password for root from 112.194.201.16 port 45594 ssh2 Aug 13 09:04:04 journals sshd\[58642\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.194.201.16 user=root ... |
2020-08-13 18:24:04 |
| 52.138.26.98 | attackbotsspam | Aug 13 04:17:26 ws22vmsma01 sshd[80984]: Failed password for root from 52.138.26.98 port 36480 ssh2 ... |
2020-08-13 18:17:34 |