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: Korea (Republic of)

Internet Service Provider: KT Corporation

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attack
Lines containing failures of 121.169.34.103
Oct  5 22:28:14 kopano sshd[17644]: Bad protocol version identification 'GET / HTTP/1.1' from 121.169.34.103 port 55203
Oct  5 22:28:22 kopano sshd[17645]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.169.34.103  user=r.r
Oct  5 22:28:24 kopano sshd[17645]: Failed password for r.r from 121.169.34.103 port 55220 ssh2
Oct  5 22:28:26 kopano sshd[17645]: Connection closed by authenticating user r.r 121.169.34.103 port 55220 [preauth]
Oct  5 22:28:32 kopano sshd[18412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.169.34.103  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=121.169.34.103
2020-10-07 06:54:40
attack
Lines containing failures of 121.169.34.103
Oct  5 22:28:14 kopano sshd[17644]: Bad protocol version identification 'GET / HTTP/1.1' from 121.169.34.103 port 55203
Oct  5 22:28:22 kopano sshd[17645]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.169.34.103  user=r.r
Oct  5 22:28:24 kopano sshd[17645]: Failed password for r.r from 121.169.34.103 port 55220 ssh2
Oct  5 22:28:26 kopano sshd[17645]: Connection closed by authenticating user r.r 121.169.34.103 port 55220 [preauth]
Oct  5 22:28:32 kopano sshd[18412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.169.34.103  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=121.169.34.103
2020-10-06 23:14:32
attackspam
Lines containing failures of 121.169.34.103
Oct  5 22:28:14 kopano sshd[17644]: Bad protocol version identification 'GET / HTTP/1.1' from 121.169.34.103 port 55203
Oct  5 22:28:22 kopano sshd[17645]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.169.34.103  user=r.r
Oct  5 22:28:24 kopano sshd[17645]: Failed password for r.r from 121.169.34.103 port 55220 ssh2
Oct  5 22:28:26 kopano sshd[17645]: Connection closed by authenticating user r.r 121.169.34.103 port 55220 [preauth]
Oct  5 22:28:32 kopano sshd[18412]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.169.34.103  user=r.r


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=121.169.34.103
2020-10-06 15:02:21
Comments on same subnet:
IP Type Details Datetime
121.169.34.151 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-16 10:34:31
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.169.34.103
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9739
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;121.169.34.103.			IN	A

;; AUTHORITY SECTION:
.			339	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020100600 1800 900 604800 86400

;; Query time: 52 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Oct 06 15:02:14 CST 2020
;; MSG SIZE  rcvd: 118
Host info
Host 103.34.169.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 103.34.169.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.98.4.82 attack
Apr  3 15:06:48 gw1 sshd[4358]: Failed password for root from 14.98.4.82 port 49969 ssh2
Apr  3 15:11:18 gw1 sshd[4593]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.98.4.82
...
2020-04-03 19:34:00
38.83.106.148 attackbots
Apr  1 04:18:03 cumulus sshd[14048]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=38.83.106.148  user=r.r
Apr  1 04:18:06 cumulus sshd[14048]: Failed password for r.r from 38.83.106.148 port 58442 ssh2
Apr  1 04:18:06 cumulus sshd[14048]: Received disconnect from 38.83.106.148 port 58442:11: Bye Bye [preauth]
Apr  1 04:18:06 cumulus sshd[14048]: Disconnected from 38.83.106.148 port 58442 [preauth]
Apr  1 04:22:52 cumulus sshd[14326]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=38.83.106.148  user=r.r
Apr  1 04:22:53 cumulus sshd[14326]: Failed password for r.r from 38.83.106.148 port 40420 ssh2
Apr  1 04:22:53 cumulus sshd[14326]: Received disconnect from 38.83.106.148 port 40420:11: Bye Bye [preauth]
Apr  1 04:22:53 cumulus sshd[14326]: Disconnected from 38.83.106.148 port 40420 [preauth]
Apr  1 04:24:55 cumulus sshd[14480]: Invalid user user from 38.83.106.148 port 45566
Apr  1 04:2........
-------------------------------
2020-04-03 19:31:03
107.167.2.197 attackbotsspam
1585885630 - 04/03/2020 05:47:10 Host: 107.167.2.197/107.167.2.197 Port: 445 TCP Blocked
2020-04-03 19:21:38
218.78.81.207 attack
SSH Brute-Force Attack
2020-04-03 19:12:05
123.206.47.228 attackspambots
Apr  3 07:03:33 Tower sshd[13224]: Connection from 123.206.47.228 port 37290 on 192.168.10.220 port 22 rdomain ""
Apr  3 07:03:36 Tower sshd[13224]: Failed password for root from 123.206.47.228 port 37290 ssh2
Apr  3 07:03:36 Tower sshd[13224]: Received disconnect from 123.206.47.228 port 37290:11: Bye Bye [preauth]
Apr  3 07:03:36 Tower sshd[13224]: Disconnected from authenticating user root 123.206.47.228 port 37290 [preauth]
2020-04-03 19:22:31
138.197.21.218 attackspambots
2020-04-03T10:16:25.106488abusebot-8.cloudsearch.cf sshd[6149]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns1.hostingbytg.com  user=root
2020-04-03T10:16:26.833062abusebot-8.cloudsearch.cf sshd[6149]: Failed password for root from 138.197.21.218 port 51648 ssh2
2020-04-03T10:20:06.791157abusebot-8.cloudsearch.cf sshd[6339]: Invalid user user12 from 138.197.21.218 port 36478
2020-04-03T10:20:06.801197abusebot-8.cloudsearch.cf sshd[6339]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns1.hostingbytg.com
2020-04-03T10:20:06.791157abusebot-8.cloudsearch.cf sshd[6339]: Invalid user user12 from 138.197.21.218 port 36478
2020-04-03T10:20:08.531158abusebot-8.cloudsearch.cf sshd[6339]: Failed password for invalid user user12 from 138.197.21.218 port 36478 ssh2
2020-04-03T10:23:45.630021abusebot-8.cloudsearch.cf sshd[6533]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhos
...
2020-04-03 19:01:01
63.81.87.167 attack
(RCPT) RCPT NOT ALLOWED FROM  63.81.87.167 (US/United States/-): 1 in the last 3600 secs
2020-04-03 19:19:18
86.36.20.20 attack
Apr  3 04:15:13 core sshd\[31449\]: Invalid user ntps from 86.36.20.20
Apr  3 04:15:51 core sshd\[31452\]: Invalid user prometheus from 86.36.20.20
Apr  3 04:16:29 core sshd\[31454\]: Invalid user synthing from 86.36.20.20
Apr  3 04:21:21 core sshd\[31481\]: Invalid user ubnt from 86.36.20.20
Apr  3 04:22:35 core sshd\[31489\]: Invalid user oracle from 86.36.20.20
...
2020-04-03 19:17:49
106.12.155.162 attack
SSH login attempts.
2020-04-03 19:11:19
5.196.75.47 attackspambots
[ssh] SSH attack
2020-04-03 19:08:44
92.118.37.55 attack
Apr  3 13:04:35 debian-2gb-nbg1-2 kernel: \[8170915.075820\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=92.118.37.55 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=32553 PROTO=TCP SPT=48178 DPT=13833 WINDOW=1024 RES=0x00 SYN URGP=0
2020-04-03 19:04:47
72.69.100.67 attackbots
SSH Brute-Forcing (server1)
2020-04-03 19:35:13
23.225.172.10 attackbots
Unauthorized connection attempt detected from IP address 23.225.172.10 to port 9999 [T]
2020-04-03 19:22:12
103.100.211.119 attack
frenzy
2020-04-03 19:10:42
49.228.184.141 attackbots
Unauthorized connection attempt from IP address 49.228.184.141 on Port 445(SMB)
2020-04-03 19:44:27

Recently Reported IPs

125.87.84.242 222.186.3.80 49.233.137.3 75.12.229.49
200.252.29.130 5.251.183.73 230.139.29.173 222.149.137.240
98.27.195.224 251.11.195.175 50.131.25.46 27.155.101.200
175.103.40.69 123.201.65.251 181.174.123.195 163.172.24.135
88.207.113.101 206.210.217.119 45.55.52.145 80.183.57.123