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
attackbots
$f2bV_matches
2020-09-17 18:17:46
attackspam
Sep 16 23:47:07 gospond sshd[32535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
Sep 16 23:47:08 gospond sshd[32535]: Failed password for root from 121.145.78.129 port 57840 ssh2
...
2020-09-17 09:30:20
attack
2020-09-08T19:55:46.178523ks3355764 sshd[5673]: Invalid user vnc from 121.145.78.129 port 43932
2020-09-08T19:55:47.559113ks3355764 sshd[5673]: Failed password for invalid user vnc from 121.145.78.129 port 43932 ssh2
...
2020-09-09 03:13:08
attack
Time:     Tue Sep  8 11:47:09 2020 +0200
IP:       121.145.78.129 (KR/South Korea/-)
Failures: 5 (sshd)
Interval: 3600 seconds
Blocked:  Permanent Block [LF_SSHD]

Log entries:

Sep  8 11:39:24 mail-03 sshd[23288]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
Sep  8 11:39:26 mail-03 sshd[23288]: Failed password for root from 121.145.78.129 port 38522 ssh2
Sep  8 11:43:37 mail-03 sshd[23348]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
Sep  8 11:43:39 mail-03 sshd[23348]: Failed password for root from 121.145.78.129 port 50396 ssh2
Sep  8 11:47:07 mail-03 sshd[23449]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
2020-09-08 18:47:03
attackbots
Jul 27 22:13:47 vmd26974 sshd[5726]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129
Jul 27 22:13:49 vmd26974 sshd[5726]: Failed password for invalid user zhanggang from 121.145.78.129 port 40118 ssh2
...
2020-07-28 04:25:15
attackspam
Wordpress malicious attack:[sshd]
2020-07-08 15:35:54
attack
(sshd) Failed SSH login from 121.145.78.129 (KR/South Korea/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jun 17 23:21:56 amsweb01 sshd[20329]: Invalid user bserver from 121.145.78.129 port 42484
Jun 17 23:21:58 amsweb01 sshd[20329]: Failed password for invalid user bserver from 121.145.78.129 port 42484 ssh2
Jun 17 23:34:53 amsweb01 sshd[22090]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
Jun 17 23:34:54 amsweb01 sshd[22090]: Failed password for root from 121.145.78.129 port 38484 ssh2
Jun 17 23:40:56 amsweb01 sshd[22947]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
2020-06-18 08:27:10
attackbotsspam
SSH Brute-Force reported by Fail2Ban
2020-06-17 05:29:51
attack
May 31 22:50:35 vps687878 sshd\[13750\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
May 31 22:50:37 vps687878 sshd\[13750\]: Failed password for root from 121.145.78.129 port 56824 ssh2
May 31 22:53:53 vps687878 sshd\[13964\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
May 31 22:53:55 vps687878 sshd\[13964\]: Failed password for root from 121.145.78.129 port 34066 ssh2
May 31 22:57:07 vps687878 sshd\[14344\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129  user=root
...
2020-06-01 06:09:24
attackbots
(sshd) Failed SSH login from 121.145.78.129 (KR/South Korea/-): 5 in the last 3600 secs
2020-05-27 03:21:31
attackspambots
May 20 19:50:36 vpn01 sshd[21843]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129
May 20 19:50:38 vpn01 sshd[21843]: Failed password for invalid user fmc from 121.145.78.129 port 41586 ssh2
...
2020-05-21 04:03:58
attackbotsspam
Invalid user production from 121.145.78.129 port 48990
2020-05-15 20:24:24
attackspam
Invalid user production from 121.145.78.129 port 48990
2020-05-13 16:29:17
attack
May  1 12:51:39 l02a sshd[5643]: Invalid user gustavo from 121.145.78.129
May  1 12:51:39 l02a sshd[5643]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129 
May  1 12:51:39 l02a sshd[5643]: Invalid user gustavo from 121.145.78.129
May  1 12:51:42 l02a sshd[5643]: Failed password for invalid user gustavo from 121.145.78.129 port 33118 ssh2
2020-05-01 21:54:51
attackbotsspam
Apr 27 16:03:21 nextcloud sshd\[3372\]: Invalid user steam from 121.145.78.129
Apr 27 16:03:21 nextcloud sshd\[3372\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.145.78.129
Apr 27 16:03:24 nextcloud sshd\[3372\]: Failed password for invalid user steam from 121.145.78.129 port 35218 ssh2
2020-04-27 22:29:04
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.145.78.129
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10427
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			428	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020042700 1800 900 604800 86400

;; Query time: 73 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Apr 27 22:28:56 CST 2020
;; MSG SIZE  rcvd: 118
Host info
Host 129.78.145.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 129.78.145.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
94.69.226.48 attackbotsspam
SSH Bruteforce attempt
2019-11-12 01:18:19
128.199.216.250 attack
F2B jail: sshd. Time: 2019-11-11 17:34:23, Reported by: VKReport
2019-11-12 00:48:51
191.5.115.116 attackbotsspam
" "
2019-11-12 00:47:17
217.182.70.125 attack
Automatic report - Banned IP Access
2019-11-12 01:08:11
89.36.220.145 attack
Nov 11 17:27:04 MK-Soft-Root2 sshd[10854]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=89.36.220.145 
Nov 11 17:27:06 MK-Soft-Root2 sshd[10854]: Failed password for invalid user pelseneer from 89.36.220.145 port 37920 ssh2
...
2019-11-12 01:13:04
197.253.242.165 attack
Port 1433 Scan
2019-11-12 01:15:47
31.208.242.213 attack
Nov 11 17:14:37 nextcloud sshd\[25535\]: Invalid user pi from 31.208.242.213
Nov 11 17:14:37 nextcloud sshd\[25536\]: Invalid user pi from 31.208.242.213
Nov 11 17:14:37 nextcloud sshd\[25536\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.208.242.213
Nov 11 17:14:37 nextcloud sshd\[25535\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.208.242.213
...
2019-11-12 01:21:32
202.179.43.27 attack
port scan and connect, tcp 1433 (ms-sql-s)
2019-11-12 00:48:17
35.223.234.185 attackbots
query: login'A=0
2019-11-12 01:24:23
45.227.253.141 attackbotsspam
Nov 11 17:26:50 relay postfix/smtpd\[7710\]: warning: unknown\[45.227.253.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 11 17:28:46 relay postfix/smtpd\[6753\]: warning: unknown\[45.227.253.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 11 17:28:53 relay postfix/smtpd\[7706\]: warning: unknown\[45.227.253.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 11 17:29:13 relay postfix/smtpd\[6753\]: warning: unknown\[45.227.253.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 11 17:29:20 relay postfix/smtpd\[7710\]: warning: unknown\[45.227.253.141\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-11-12 00:45:16
104.10.134.68 attackspam
Lines containing failures of 104.10.134.68
Nov 11 12:13:12 icinga sshd[18787]: Did not receive identification string from 104.10.134.68 port 35064
Nov 11 12:13:30 icinga sshd[18833]: Invalid user ryan from 104.10.134.68 port 37028
Nov 11 12:13:30 icinga sshd[18833]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.10.134.68
Nov 11 12:13:32 icinga sshd[18833]: Failed password for invalid user ryan from 104.10.134.68 port 37028 ssh2
Nov 11 12:13:32 icinga sshd[18833]: Received disconnect from 104.10.134.68 port 37028:11: Bye Bye [preauth]
Nov 11 12:13:32 icinga sshd[18833]: Disconnected from invalid user ryan 104.10.134.68 port 37028 [preauth]
Nov 11 12:13:47 icinga sshd[18994]: Invalid user ftpuser from 104.10.134.68 port 38490
Nov 11 12:13:47 icinga sshd[18994]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.10.134.68


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=104.10
2019-11-12 00:57:08
182.61.41.203 attackspambots
Nov 11 17:56:40 vps666546 sshd\[26759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.41.203  user=root
Nov 11 17:56:42 vps666546 sshd\[26759\]: Failed password for root from 182.61.41.203 port 35232 ssh2
Nov 11 18:01:36 vps666546 sshd\[26930\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.41.203  user=root
Nov 11 18:01:38 vps666546 sshd\[26930\]: Failed password for root from 182.61.41.203 port 35258 ssh2
Nov 11 18:06:24 vps666546 sshd\[27095\]: Invalid user brusdal from 182.61.41.203 port 34874
Nov 11 18:06:24 vps666546 sshd\[27095\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.41.203
...
2019-11-12 01:14:56
94.50.242.70 attackbots
Chat Spam
2019-11-12 01:20:36
94.143.193.56 attackbots
Brute force SMTP login attempts.
2019-11-12 01:17:46
146.88.240.4 attackbotsspam
11/11/2019-11:35:39.874417 146.88.240.4 Protocol: 17 ET DROP Dshield Block Listed Source group 1
2019-11-12 01:16:06

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