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: unknown

Region: unknown

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
121.206.49.9 attackbotsspam
Jul  2 23:51:44 web1 postfix/smtpd[12928]: warning: unknown[121.206.49.9]: SASL LOGIN authentication failed: authentication failure
...
2019-07-03 15:12:06
121.206.49.9 attack
Jul  2 09:24:42 eola postfix/smtpd[20657]: warning: hostname 9.49.206.121.broad.zz.fj.dynamic.163data.com.cn does not resolve to address 121.206.49.9: Name or service not known
Jul  2 09:24:42 eola postfix/smtpd[20657]: connect from unknown[121.206.49.9]
Jul  2 09:24:42 eola postfix/smtpd[20659]: warning: hostname 9.49.206.121.broad.zz.fj.dynamic.163data.com.cn does not resolve to address 121.206.49.9: Name or service not known
Jul  2 09:24:42 eola postfix/smtpd[20659]: connect from unknown[121.206.49.9]
Jul  2 09:24:45 eola postfix/smtpd[20659]: lost connection after AUTH from unknown[121.206.49.9]
Jul  2 09:24:45 eola postfix/smtpd[20659]: disconnect from unknown[121.206.49.9] ehlo=1 auth=0/1 commands=1/2
Jul  2 09:24:46 eola postfix/smtpd[20659]: warning: hostname 9.49.206.121.broad.zz.fj.dynamic.163data.com.cn does not resolve to address 121.206.49.9: Name or service not known
Jul  2 09:24:46 eola postfix/smtpd[20659]: connect from unknown[121.206.49.9]
Jul  2 09:24........
-------------------------------
2019-07-03 03:47:32
Whois info:
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '121.204.0.0 - 121.207.255.255'

% Abuse contact for '121.204.0.0 - 121.207.255.255' is 'anti-spam@chinatelecom.cn'

inetnum:        121.204.0.0 - 121.207.255.255
netname:        CHINANET-FJ
descr:          CHINANET Fujian province network
descr:          China Telecom
descr:          7,East Street ,Fuzhou ,Fujian ,PRC
country:        CN
admin-c:        FH71-AP
tech-c:         FH71-AP
abuse-c:        AC1573-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
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-FJ
mnt-routes:     MAINT-CHINANET-FJ
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:05:32Z
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 2025-11-13
mnt-by:         MAINT-CHINANET
last-modified:  2026-03-13T07:12:20Z
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 2025-11-13
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-13T14:15:15Z
source:         APNIC

person:         FUJIANNET HOSTMASTER
nic-hdl:        FH71-AP
e-mail:         fjnic@fjdcb.fz.fj.cn
address:        7,East Street ,Fuzhou ,Fujian ,PRC
phone:          +86-591-83309761
fax-no:         +86-591-83371954
country:        CN
mnt-by:         MAINT-CHINANET-FJ
last-modified:  2010-01-05T07:36:17Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.206.49.105
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28162
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.206.49.105.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026042201 1800 900 604800 86400

;; Query time: 9 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 23 02:30:07 CST 2026
;; MSG SIZE  rcvd: 107
Host info
105.49.206.121.in-addr.arpa domain name pointer 105.49.206.121.broad.zz.fj.dynamic.163data.com.cn.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
105.49.206.121.in-addr.arpa	name = 105.49.206.121.broad.zz.fj.dynamic.163data.com.cn.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
5.178.87.186 attackspam
Automatic report - Port Scan Attack
2020-01-13 08:01:52
111.229.39.93 attackbots
Unauthorized connection attempt detected from IP address 111.229.39.93 to port 2220 [J]
2020-01-13 08:17:47
139.59.72.161 attack
Jan 12 21:08:06 mx01 sshd[22255]: reveeclipse mapping checking getaddrinfo for cloud.imedihub.com [139.59.72.161] failed - POSSIBLE BREAK-IN ATTEMPT!
Jan 12 21:08:06 mx01 sshd[22255]: Invalid user uftp from 139.59.72.161
Jan 12 21:08:06 mx01 sshd[22255]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.72.161 
Jan 12 21:08:09 mx01 sshd[22255]: Failed password for invalid user uftp from 139.59.72.161 port 44900 ssh2
Jan 12 21:08:09 mx01 sshd[22255]: Received disconnect from 139.59.72.161: 11: Bye Bye [preauth]
Jan 12 21:15:25 mx01 sshd[23493]: reveeclipse mapping checking getaddrinfo for cloud.imedihub.com [139.59.72.161] failed - POSSIBLE BREAK-IN ATTEMPT!
Jan 12 21:15:25 mx01 sshd[23493]: Invalid user deploy from 139.59.72.161
Jan 12 21:15:25 mx01 sshd[23493]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.72.161 
Jan 12 21:15:27 mx01 sshd[23493]: Failed password for invalid u........
-------------------------------
2020-01-13 08:14:38
216.126.239.124 attackspam
(sshd) Failed SSH login from 216.126.239.124 (US/United States/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Jan 12 16:23:10 host sshd[62926]: Did not receive identification string from 216.126.239.124 port 36612
2020-01-13 08:39:36
37.49.230.96 attackspam
37.49.230.96 was recorded 12 times by 1 hosts attempting to connect to the following ports: 65470,65472,65471,65473,65474,65466,65478,65479,65480,65410,65420,65430. Incident counter (4h, 24h, all-time): 12, 12, 163
2020-01-13 08:02:45
109.173.40.60 attack
Unauthorized connection attempt detected from IP address 109.173.40.60 to port 2220 [J]
2020-01-13 08:35:16
186.170.28.46 attackbotsspam
Invalid user kaleb from 186.170.28.46 port 46510
2020-01-13 08:01:03
91.185.193.58 attack
port scan and connect, tcp 1433 (ms-sql-s)
2020-01-13 08:31:58
149.56.46.220 attackspambots
Jan 12 21:41:12 XXX sshd[32682]: Invalid user server from 149.56.46.220 port 57268
2020-01-13 08:32:20
168.228.180.11 attack
1578864239 - 01/12/2020 22:23:59 Host: 168.228.180.11/168.228.180.11 Port: 445 TCP Blocked
2020-01-13 08:18:50
112.85.42.176 attack
Jan 13 00:09:36 unicornsoft sshd\[13679\]: User root from 112.85.42.176 not allowed because not listed in AllowUsers
Jan 13 00:09:36 unicornsoft sshd\[13679\]: Failed none for invalid user root from 112.85.42.176 port 65149 ssh2
Jan 13 00:09:36 unicornsoft sshd\[13679\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.176  user=root
2020-01-13 08:30:37
98.143.227.144 attackbots
none
2020-01-13 08:29:22
51.159.35.94 attackbotsspam
Unauthorized connection attempt detected from IP address 51.159.35.94 to port 22 [T]
2020-01-13 08:09:52
109.215.224.21 attackbotsspam
2020-01-13T00:13:08.1448691240 sshd\[7727\]: Invalid user user from 109.215.224.21 port 50686
2020-01-13T00:13:08.1681411240 sshd\[7727\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.215.224.21
2020-01-13T00:13:10.3555961240 sshd\[7727\]: Failed password for invalid user user from 109.215.224.21 port 50686 ssh2
...
2020-01-13 08:39:53
101.95.29.150 attack
Unauthorized connection attempt detected from IP address 101.95.29.150 to port 2220 [J]
2020-01-13 08:30:59

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