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: Shenzhen

Region: Guangdong

Country: China

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:
IP Type Details Datetime
121.11.103.192 attackspambots
Jun  9 14:03:40 abendstille sshd\[5017\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.11.103.192  user=root
Jun  9 14:03:42 abendstille sshd\[5017\]: Failed password for root from 121.11.103.192 port 45621 ssh2
Jun  9 14:07:43 abendstille sshd\[9208\]: Invalid user postgres from 121.11.103.192
Jun  9 14:07:43 abendstille sshd\[9208\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.11.103.192
Jun  9 14:07:45 abendstille sshd\[9208\]: Failed password for invalid user postgres from 121.11.103.192 port 39046 ssh2
...
2020-06-09 21:36:02
121.11.103.192 attackspambots
May 30 06:17:14 plex sshd[2692]: Invalid user temp from 121.11.103.192 port 54078
2020-05-30 13:08:56
121.11.103.192 attackspam
May 27 08:11:44 icinga sshd[20896]: Failed password for root from 121.11.103.192 port 38161 ssh2
May 27 08:21:18 icinga sshd[36372]: Failed password for root from 121.11.103.192 port 50527 ssh2
...
2020-05-27 15:05:19
121.11.103.192 attack
May  6 06:28:59 ip-172-31-62-245 sshd\[7242\]: Invalid user user1 from 121.11.103.192\
May  6 06:29:01 ip-172-31-62-245 sshd\[7242\]: Failed password for invalid user user1 from 121.11.103.192 port 37826 ssh2\
May  6 06:30:49 ip-172-31-62-245 sshd\[7257\]: Failed password for root from 121.11.103.192 port 45249 ssh2\
May  6 06:31:51 ip-172-31-62-245 sshd\[7285\]: Invalid user testtest from 121.11.103.192\
May  6 06:31:53 ip-172-31-62-245 sshd\[7285\]: Failed password for invalid user testtest from 121.11.103.192 port 49470 ssh2\
2020-05-06 18:24:05
121.11.103.192 attackspam
Unauthorized connection attempt detected from IP address 121.11.103.192 to port 10134 [T]
2020-04-16 03:33:07
121.11.103.192 attack
Fail2Ban Ban Triggered (2)
2020-03-29 09:00:44
121.11.103.192 attackspambots
2020-03-26T04:52:23.043102vps773228.ovh.net sshd[17165]: Invalid user exim from 121.11.103.192 port 39997
2020-03-26T04:52:23.063861vps773228.ovh.net sshd[17165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.11.103.192
2020-03-26T04:52:23.043102vps773228.ovh.net sshd[17165]: Invalid user exim from 121.11.103.192 port 39997
2020-03-26T04:52:25.129037vps773228.ovh.net sshd[17165]: Failed password for invalid user exim from 121.11.103.192 port 39997 ssh2
2020-03-26T04:54:39.773509vps773228.ovh.net sshd[17995]: Invalid user suzy from 121.11.103.192 port 53427
...
2020-03-26 13:03:09
121.11.103.192 attackspambots
Mar 12 10:00:52 host sshd[3282]: Invalid user bruno from 121.11.103.192 port 42578
Mar 12 10:00:52 host sshd[3282]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.11.103.192
Mar 12 10:00:54 host sshd[3282]: Failed password for invalid user bruno from 121.11.103.192 port 42578 ssh2
Mar 12 10:00:54 host sshd[3282]: Received disconnect from 121.11.103.192 port 42578:11: Bye Bye [preauth]
Mar 12 10:00:54 host sshd[3282]: Disconnected from invalid user bruno 121.11.103.192 port 42578 [preauth]
Mar 12 10:06:29 host sshd[3316]: Invalid user webmaster from 121.11.103.192 port 41166
Mar 12 10:06:29 host sshd[3316]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.11.103.192
Mar 12 10:06:30 host sshd[3316]: Failed password for invalid user webmaster from 121.11.103.192 port 41166 ssh2
Mar 12 10:06:30 host sshd[3316]: Received disconnect from 121.11.103.192 port 41166:11: Bye Bye [preauth]
Mar ........
-------------------------------
2020-03-13 05:46:50
Whois info:
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '121.8.0.0 - 121.15.255.255'

% Abuse contact for '121.8.0.0 - 121.15.255.255' is 'anti-spam@chinatelecom.cn'

inetnum:        121.8.0.0 - 121.15.255.255
netname:        CHINANET-GD
descr:          CHINANET Guangdong province network
descr:          China Telecom
descr:          No.31,jingrong street
descr:          Beijing 100032
country:        CN
admin-c:        CH93-AP
tech-c:         IC83-AP
abuse-c:        AC1573-AP
status:         ALLOCATED PORTABLE
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-CHINANET-GD
mnt-routes:     MAINT-CHINANET-GD
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:06:11Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         anti-spam@chinatelecom.cn
abuse-mailbox:  anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
mnt-by:         MAINT-CHINANET
last-modified:  2026-05-21T01:31:36Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-21T01:32:00Z
source:         APNIC

person:         Chinanet Hostmaster
nic-hdl:        CH93-AP
e-mail:         anti-spam@chinatelecom.cn
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +86-10-58501724
fax-no:         +86-10-58501724
country:        CN
mnt-by:         MAINT-CHINANET
last-modified:  2022-02-28T06:53:44Z
source:         APNIC

person:         IPMASTER CHINANET-GD
nic-hdl:        IC83-AP
e-mail:         abuse_gdicnoc@163.com
address:        NO.18,RO. ZHONGSHANER,YUEXIU DISTRIC,GUANGZHOU
phone:          +86-20-87189274
fax-no:         +86-20-87189274
country:        CN
mnt-by:         MAINT-CHINANET-GD
remarks:        IPMASTER is not for spam complaint,please send spam complaint to abuse_gdicnoc@163.com
abuse-mailbox:  abuse_gdicnoc@163.com
last-modified:  2021-05-12T09:06:58Z
source:         APNIC

% Information related to '121.11.96.0/20AS4816'

route:          121.11.96.0/20
origin:         AS4816
descr:          China Telecom
                Data Network Management Division
                Network Operation & Maintenance Department
                No 19 Chaoyangmen North Street
                Dongcheng District
mnt-by:         MAINT-CHINANET
last-modified:  2018-12-21T03:42:38Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.11.103.41
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44011
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.11.103.41.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026062800 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jun 28 20:02:15 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 41.103.11.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 41.103.11.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
89.109.129.130 attack
Unauthorized connection attempt detected from IP address 89.109.129.130 to port 23 [J]
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181.118.225.47 attackbotsspam
Unauthorized connection attempt detected from IP address 181.118.225.47 to port 80 [J]
2020-01-12 22:36:07
102.40.91.166 attackspam
Unauthorized connection attempt detected from IP address 102.40.91.166 to port 23 [J]
2020-01-12 23:10:44
165.228.197.247 attackbots
Unauthorized connection attempt detected from IP address 165.228.197.247 to port 5000 [J]
2020-01-12 22:59:59
118.174.109.21 attack
Unauthorized connection attempt detected from IP address 118.174.109.21 to port 88 [J]
2020-01-12 23:06:56
106.54.48.29 attackbotsspam
Unauthorized connection attempt detected from IP address 106.54.48.29 to port 2220 [J]
2020-01-12 23:09:30
95.86.32.4 attackbots
proto=tcp  .  spt=45175  .  dpt=25  .     Found on   Dark List de      (286)
2020-01-12 22:43:50
188.136.143.208 attackspambots
Unauthorized connection attempt detected from IP address 188.136.143.208 to port 23 [J]
2020-01-12 22:55:59
179.158.168.149 attackspam
Unauthorized connection attempt detected from IP address 179.158.168.149 to port 80 [J]
2020-01-12 22:36:41
83.68.70.202 attackspam
Unauthorized connection attempt detected from IP address 83.68.70.202 to port 4567 [J]
2020-01-12 22:47:09
88.129.67.38 attackbots
Unauthorized connection attempt detected from IP address 88.129.67.38 to port 23 [J]
2020-01-12 23:13:55
103.199.98.246 attackbotsspam
Unauthorized connection attempt detected from IP address 103.199.98.246 to port 23 [J]
2020-01-12 22:42:36
183.135.0.189 attackspam
Unauthorized connection attempt detected from IP address 183.135.0.189 to port 8081 [J]
2020-01-12 22:35:45
87.214.234.168 attackspam
Unauthorized connection attempt detected from IP address 87.214.234.168 to port 23 [J]
2020-01-12 22:45:07
110.14.58.84 attackbots
Unauthorized connection attempt detected from IP address 110.14.58.84 to port 23 [J]
2020-01-12 22:41:25

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