Must be a valid IPv4 or IPv6 ip address, e.g. 127.0.0.1 or 2001:DB8:0:0:8:800:200C:417A
Basic Info

City: Hong Kong

Region: unknown

Country: Hong Kong

Internet Service Provider: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
#
# 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 1997-2025, American Registry for Internet Numbers, Ltd.
#


NetRange:       165.154.0.0 - 165.154.255.255
CIDR:           165.154.0.0/16
NetName:        APNIC
NetHandle:      NET-165-154-0-0-1
Parent:         NET165 (NET-165-0-0-0-0)
NetType:        Early Registrations, Transferred to APNIC
OriginAS:       
Organization:   Asia Pacific Network Information Centre (APNIC)
RegDate:        2021-02-16
Updated:        2021-02-16
Ref:            https://rdap.arin.net/registry/ip/165.154.0.0

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois://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:  https://apps.db.ripe.net/db-web-ui/query

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

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


#
# 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 1997-2025, 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 '165.154.21.0 - 165.154.21.255'

% Abuse contact for '165.154.21.0 - 165.154.21.255' is 'hegui@ucloud.cn'

inetnum:        165.154.21.0 - 165.154.21.255
netname:        UCLOUD-HK
descr:          UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
country:        HK
admin-c:        UITH2-AP
tech-c:         UITH2-AP
status:         ALLOCATED NON-PORTABLE
mnt-by:         MAINT-UCLOUD-HK
mnt-irt:        IRT-UCLOUD-HK
abuse-c:        AU164-AP
last-modified:  2024-08-27T05:39:24Z
source:         APNIC

irt:            IRT-UCLOUD-HK
address:        FLAT/RM 603 6/F, LAWS COMMERCIAL PLAZA, 788 CHEUNG SHA WAN ROAD, KL,, Hong Kong
e-mail:         pn-wan@ucloud.cn
abuse-mailbox:  hegui@ucloud.cn
admin-c:        UITH2-AP
tech-c:         UITH2-AP
auth:           # Filtered
remarks:        hegui@ucloud.cn was validated on 2025-07-01
remarks:        pn-wan@ucloud.cn was validated on 2025-07-01
mnt-by:         MAINT-UCLOUD-HK
last-modified:  2025-09-04T07:41:27Z
source:         APNIC

role:           ABUSE UCLOUDHK
country:        ZZ
address:        FLAT/RM 603 6/F, LAWS COMMERCIAL PLAZA, 788 CHEUNG SHA WAN ROAD, KL,, Hong Kong
phone:          +000000000
e-mail:         pn-wan@ucloud.cn
admin-c:        UITH2-AP
tech-c:         UITH2-AP
nic-hdl:        AU164-AP
remarks:        Generated from irt object IRT-UCLOUD-HK
remarks:        hegui@ucloud.cn was validated on 2025-07-01
remarks:        pn-wan@ucloud.cn was validated on 2025-07-01
abuse-mailbox:  hegui@ucloud.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-07-01T09:51:21Z
source:         APNIC

role:           UCLOUD INFORMATION TECHNOLOGY HK LIMITED
address:        FLAT/RM 603 6/F, LAWS COMMERCIAL PLAZA, 788 CHEUNG SHA WAN ROAD, KL,, Hong Kong
country:        HK
phone:          +000000000
e-mail:         u-ipnic@ucloud.cn
admin-c:        UITH2-AP
tech-c:         UITH2-AP
nic-hdl:        UITH2-AP
notify:         hegui@ucloud.cn
mnt-by:         MAINT-UCLOUD-HK
last-modified:  2022-05-16T03:54:14Z
source:         APNIC

% Information related to '165.154.21.0/24AS135377'

route:          165.154.21.0/24
origin:         AS135377
descr:          UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
                FLAT/RM 603 6/F
                LAWS COMMERCIAL PLAZA
                788 CHEUNG SHA WAN ROAD, KL,
mnt-by:         MAINT-UCLOUD-HK
last-modified:  2021-04-25T02:39:03Z
source:         APNIC

% Information related to '165.154.21.0/24AS62610'

route:          165.154.21.0/24
origin:         AS62610
descr:          UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
                FLAT/RM 603 6/F
                LAWS COMMERCIAL PLAZA
                788 CHEUNG SHA WAN ROAD, KL,
mnt-by:         MAINT-UCLOUD-HK
last-modified:  2025-07-28T20:14:37Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-AU4)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 165.154.21.143
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31370
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;165.154.21.143.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025110900 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Nov 09 20:00:46 CST 2025
;; MSG SIZE  rcvd: 107
Host info
b'Host 143.21.154.165.in-addr.arpa not found: 2(SERVFAIL)
'
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 143.21.154.165.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
51.77.230.23 attackspam
Oct 12 18:32:58 OPSO sshd\[2788\]: Invalid user Upload@123 from 51.77.230.23 port 46680
Oct 12 18:32:58 OPSO sshd\[2788\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.230.23
Oct 12 18:33:00 OPSO sshd\[2788\]: Failed password for invalid user Upload@123 from 51.77.230.23 port 46680 ssh2
Oct 12 18:37:10 OPSO sshd\[3533\]: Invalid user Shadow@2017 from 51.77.230.23 port 58438
Oct 12 18:37:10 OPSO sshd\[3533\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.77.230.23
2019-10-13 00:47:00
52.57.168.236 attackspam
Unsolicited bulk porn & phishing - varying ISPs (primarily Chinanet); repetitive redirects from blacklisted IP 92.63.192.124 & .151; spam volume up to 15/day.  

Spam link 4-gkb.ru = 92.63.192.151 NVFOPServer-net (previous IP 92.63.192.124) - repetitive redirects:
-	www.benaughty.com = 2.17.43.33, 2.17.43.17 Akamai
-	walkondates.com = 52.57.168.236, 52.58.193.171 Amazon
-	retargetcore.com = 52.29.68.89, 35.158.186.87 Amazon
-	t.insigit.com = 52.28.205.175, 54.93.35.219 Amazon
-	uf.noclef.com = 3.121.133.104, 52.59.105.243 Amazon

Unsolicited bulk spam - unimplemented.likethin.eu, China Mobile Communications Corporation - 120.208.209.206

Sender domain harmsenheftrucks.nl = 136.144.206.196 TransIP BV
2019-10-13 00:29:33
123.143.203.67 attackbotsspam
Oct 12 17:13:33 icinga sshd[14148]: Failed password for root from 123.143.203.67 port 52200 ssh2
Oct 12 17:32:35 icinga sshd[26687]: Failed password for root from 123.143.203.67 port 52356 ssh2
...
2019-10-13 00:45:46
47.154.227.108 attack
$f2bV_matches
2019-10-13 00:25:10
151.41.165.154 attackbotsspam
$f2bV_matches
2019-10-13 00:53:14
118.42.125.170 attackbotsspam
Oct 12 08:50:20 askasleikir sshd[508989]: Failed password for root from 118.42.125.170 port 37516 ssh2
2019-10-13 00:33:52
93.149.79.247 attackbotsspam
Oct 12 18:39:34 vps691689 sshd[16070]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.149.79.247
Oct 12 18:39:36 vps691689 sshd[16070]: Failed password for invalid user Problem@123 from 93.149.79.247 port 45827 ssh2
...
2019-10-13 01:12:24
78.172.61.47 attackbotsspam
Automatic report - Port Scan Attack
2019-10-13 00:37:54
221.6.22.203 attack
Oct 12 18:04:55 markkoudstaal sshd[19655]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.22.203
Oct 12 18:04:58 markkoudstaal sshd[19655]: Failed password for invalid user 123Angela from 221.6.22.203 port 51512 ssh2
Oct 12 18:10:07 markkoudstaal sshd[20184]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.6.22.203
2019-10-13 00:23:14
37.82.9.79 attack
Oct 12 15:41:19 durga sshd[710898]: Invalid user steven from 37.82.9.79
Oct 12 15:41:19 durga sshd[710898]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.82.9.79 
Oct 12 15:41:20 durga sshd[710898]: Failed password for invalid user steven from 37.82.9.79 port 25769 ssh2
Oct 12 15:41:21 durga sshd[710898]: Received disconnect from 37.82.9.79: 11: Bye Bye [preauth]
Oct 12 15:44:02 durga sshd[711380]: Invalid user ftpuser from 37.82.9.79
Oct 12 15:44:02 durga sshd[711380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.82.9.79 
Oct 12 15:44:04 durga sshd[711380]: Failed password for invalid user ftpuser from 37.82.9.79 port 22717 ssh2
Oct 12 15:44:04 durga sshd[711380]: Received disconnect from 37.82.9.79: 11: Bye Bye [preauth]
Oct 12 15:44:15 durga sshd[711413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.82.9.79  user=r.r
Oct 12 15:44:17........
-------------------------------
2019-10-13 01:06:45
159.253.32.120 attackbotsspam
www.geburtshaus-fulda.de 159.253.32.120 \[12/Oct/2019:16:14:36 +0200\] "POST /wp-login.php HTTP/1.1" 200 5786 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
www.geburtshaus-fulda.de 159.253.32.120 \[12/Oct/2019:16:14:37 +0200\] "POST /wp-login.php HTTP/1.1" 200 5790 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-10-13 00:56:10
178.69.12.30 attackbotsspam
proto=tcp  .  spt=60699  .  dpt=25  .     (Listed on    dnsbl-sorbs plus abuseat-org and barracuda)     (885)
2019-10-13 01:07:31
178.62.220.28 attackbots
xmlrpc attack
2019-10-13 00:31:21
95.47.238.170 attackspambots
Automatic report - Port Scan Attack
2019-10-13 00:40:41
117.199.42.45 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 12-10-2019 15:15:17.
2019-10-13 00:20:08

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