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: Guri-si

Region: Gyeonggi-do

Country: South Korea

Internet Service Provider: LG Dacom Corporation

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackspambots
121.66.252.158 (KR/South Korea/-), 7 distributed sshd attacks on account [user] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 20 11:08:52 server2 sshd[3484]: Invalid user user from 118.27.28.248
Sep 20 11:08:38 server2 sshd[3467]: Invalid user user from 188.165.42.223
Sep 20 11:08:40 server2 sshd[3467]: Failed password for invalid user user from 188.165.42.223 port 32934 ssh2
Sep 20 11:08:43 server2 sshd[3475]: Invalid user user from 104.168.44.234
Sep 20 11:08:46 server2 sshd[3475]: Failed password for invalid user user from 104.168.44.234 port 32787 ssh2
Sep 20 10:17:26 server2 sshd[24486]: Failed password for invalid user user from 121.66.252.158 port 52242 ssh2
Sep 20 10:17:24 server2 sshd[24486]: Invalid user user from 121.66.252.158

IP Addresses Blocked:

118.27.28.248 (JP/Japan/-)
188.165.42.223 (FR/France/-)
104.168.44.234 (US/United States/-)
2020-09-20 23:31:55
attackbots
Sep 20 09:18:48 abendstille sshd\[32577\]: Invalid user ntadmin from 121.66.252.158
Sep 20 09:18:48 abendstille sshd\[32577\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Sep 20 09:18:50 abendstille sshd\[32577\]: Failed password for invalid user ntadmin from 121.66.252.158 port 47510 ssh2
Sep 20 09:20:12 abendstille sshd\[1461\]: Invalid user debian from 121.66.252.158
Sep 20 09:20:12 abendstille sshd\[1461\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
...
2020-09-20 15:20:46
attackspam
Sep 19 22:24:01 *** sshd[7197]: User root from 121.66.252.158 not allowed because not listed in AllowUsers
2020-09-20 07:17:01
attackspam
Sep 19 12:11:55 *** sshd[6659]: Invalid user ubuntu from 121.66.252.158
2020-09-19 23:04:53
attackspam
2020-09-18 23:17:00.938425-0500  localhost sshd[60889]: Failed password for root from 121.66.252.158 port 48726 ssh2
2020-09-19 14:54:17
attackbots
2 SSH login attempts.
2020-09-19 06:31:10
attackbots
Aug 23 07:56:42 ift sshd\[19799\]: Invalid user chenwk from 121.66.252.158Aug 23 07:56:44 ift sshd\[19799\]: Failed password for invalid user chenwk from 121.66.252.158 port 42680 ssh2Aug 23 08:00:53 ift sshd\[20513\]: Failed password for root from 121.66.252.158 port 44728 ssh2Aug 23 08:05:00 ift sshd\[20979\]: Invalid user info from 121.66.252.158Aug 23 08:05:02 ift sshd\[20979\]: Failed password for invalid user info from 121.66.252.158 port 46778 ssh2
...
2020-08-23 13:24:29
attackspam
Aug 21 00:49:07 NPSTNNYC01T sshd[18618]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Aug 21 00:49:08 NPSTNNYC01T sshd[18618]: Failed password for invalid user gci from 121.66.252.158 port 47086 ssh2
Aug 21 00:53:44 NPSTNNYC01T sshd[19026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
...
2020-08-21 13:39:06
attackbots
Jun 16 13:02:57 minden010 sshd[26619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Jun 16 13:02:59 minden010 sshd[26619]: Failed password for invalid user cct from 121.66.252.158 port 53170 ssh2
Jun 16 13:07:01 minden010 sshd[29059]: Failed password for root from 121.66.252.158 port 54012 ssh2
...
2020-06-16 19:54:01
attackspambots
DATE:2020-06-11 07:06:42, IP:121.66.252.158, PORT:ssh SSH brute force auth (docker-dc)
2020-06-11 13:55:58
attackbotsspam
2020-05-13T13:52:57.719336linuxbox-skyline sshd[150911]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158  user=root
2020-05-13T13:52:59.258895linuxbox-skyline sshd[150911]: Failed password for root from 121.66.252.158 port 54940 ssh2
...
2020-05-14 04:13:49
attack
Mar 28 00:00:03 legacy sshd[3082]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Mar 28 00:00:04 legacy sshd[3082]: Failed password for invalid user psl from 121.66.252.158 port 51516 ssh2
Mar 28 00:05:17 legacy sshd[3141]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
...
2020-03-28 07:15:28
attackspambots
Mar 10 07:13:25 pkdns2 sshd\[56988\]: Invalid user a from 121.66.252.158Mar 10 07:13:27 pkdns2 sshd\[56988\]: Failed password for invalid user a from 121.66.252.158 port 36468 ssh2Mar 10 07:15:41 pkdns2 sshd\[57109\]: Invalid user carlos from 121.66.252.158Mar 10 07:15:43 pkdns2 sshd\[57109\]: Failed password for invalid user carlos from 121.66.252.158 port 41182 ssh2Mar 10 07:17:56 pkdns2 sshd\[57179\]: Invalid user deploy from 121.66.252.158Mar 10 07:17:57 pkdns2 sshd\[57179\]: Failed password for invalid user deploy from 121.66.252.158 port 45882 ssh2
...
2020-03-10 13:46:06
attackbotsspam
Feb 10 02:31:01 XXX sshd[61363]: Invalid user kzj from 121.66.252.158 port 40776
2020-02-11 09:03:04
attackspambots
Unauthorized connection attempt detected from IP address 121.66.252.158 to port 2220 [J]
2020-02-06 03:40:52
attack
Dec 27 05:46:53 pi sshd\[16393\]: Invalid user urbick from 121.66.252.158 port 40304
Dec 27 05:46:53 pi sshd\[16393\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Dec 27 05:46:55 pi sshd\[16393\]: Failed password for invalid user urbick from 121.66.252.158 port 40304 ssh2
Dec 27 05:49:09 pi sshd\[16421\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158  user=root
Dec 27 05:49:11 pi sshd\[16421\]: Failed password for root from 121.66.252.158 port 60096 ssh2
...
2019-12-27 14:21:36
attackbots
Dec 24 17:19:11 jane sshd[4418]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158 
Dec 24 17:19:13 jane sshd[4418]: Failed password for invalid user test from 121.66.252.158 port 39824 ssh2
...
2019-12-25 02:51:39
attack
Dec 23 17:03:48 MK-Soft-Root1 sshd[11770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158 
Dec 23 17:03:51 MK-Soft-Root1 sshd[11770]: Failed password for invalid user biyangka from 121.66.252.158 port 39664 ssh2
...
2019-12-24 01:40:00
attack
SSH Brute-Force reported by Fail2Ban
2019-12-22 13:38:14
attack
Dec 14 22:47:18 home sshd[28788]: Invalid user toong from 121.66.252.158 port 34280
Dec 14 22:47:18 home sshd[28788]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Dec 14 22:47:18 home sshd[28788]: Invalid user toong from 121.66.252.158 port 34280
Dec 14 22:47:20 home sshd[28788]: Failed password for invalid user toong from 121.66.252.158 port 34280 ssh2
Dec 14 23:02:25 home sshd[28926]: Invalid user torusjoe from 121.66.252.158 port 53734
Dec 14 23:02:25 home sshd[28926]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
Dec 14 23:02:25 home sshd[28926]: Invalid user torusjoe from 121.66.252.158 port 53734
Dec 14 23:02:27 home sshd[28926]: Failed password for invalid user torusjoe from 121.66.252.158 port 53734 ssh2
Dec 14 23:09:46 home sshd[28977]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158  user=root
Dec 14 23:09:48 home sshd[28977]: Faile
2019-12-15 20:11:05
attackspam
Failed password for invalid user app from 121.66.252.158 port 45558 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158  user=root
Failed password for root from 121.66.252.158 port 55596 ssh2
Invalid user admin from 121.66.252.158 port 37400
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.158
2019-11-09 02:48:19
Comments on same subnet:
IP Type Details Datetime
121.66.252.155 attack
Dec  9 08:06:22 loxhost sshd\[995\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155  user=root
Dec  9 08:06:23 loxhost sshd\[995\]: Failed password for root from 121.66.252.155 port 56468 ssh2
Dec  9 08:13:51 loxhost sshd\[1286\]: Invalid user dbus from 121.66.252.155 port 37292
Dec  9 08:13:51 loxhost sshd\[1286\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155
Dec  9 08:13:53 loxhost sshd\[1286\]: Failed password for invalid user dbus from 121.66.252.155 port 37292 ssh2
...
2019-12-09 18:30:35
121.66.252.155 attackspambots
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155  user=root
Failed password for root from 121.66.252.155 port 60892 ssh2
Invalid user ltian from 121.66.252.155 port 44120
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155
Failed password for invalid user ltian from 121.66.252.155 port 44120 ssh2
2019-12-05 17:20:50
121.66.252.155 attackbotsspam
Dec  4 12:04:59 server sshd\[10076\]: Invalid user ftest from 121.66.252.155
Dec  4 12:04:59 server sshd\[10076\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155 
Dec  4 12:05:01 server sshd\[10076\]: Failed password for invalid user ftest from 121.66.252.155 port 45578 ssh2
Dec  4 12:18:32 server sshd\[13784\]: Invalid user qia from 121.66.252.155
Dec  4 12:18:32 server sshd\[13784\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155 
...
2019-12-04 19:01:38
121.66.252.155 attack
Nov  4 03:34:24 meumeu sshd[14820]: Failed password for root from 121.66.252.155 port 54834 ssh2
Nov  4 03:38:32 meumeu sshd[15414]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155 
Nov  4 03:38:34 meumeu sshd[15414]: Failed password for invalid user bitnami from 121.66.252.155 port 37536 ssh2
...
2019-11-30 18:37:44
121.66.252.155 attackbotsspam
Nov 27 20:50:38 sauna sshd[52644]: Failed password for mysql from 121.66.252.155 port 60146 ssh2
Nov 27 20:54:31 sauna sshd[52722]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155
...
2019-11-28 02:58:35
121.66.252.155 attackspam
$f2bV_matches
2019-11-27 15:01:28
121.66.252.155 attackspam
Nov 20 09:25:54 ns41 sshd[31296]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155
2019-11-20 21:18:07
121.66.252.155 attackspambots
Automatic report - Banned IP Access
2019-11-16 23:24:03
121.66.252.155 attackbots
Nov  4 10:40:01 sso sshd[543]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.66.252.155
Nov  4 10:40:03 sso sshd[543]: Failed password for invalid user 123456 from 121.66.252.155 port 37912 ssh2
...
2019-11-04 22:26:07
121.66.252.155 attackspambots
$f2bV_matches
2019-11-03 21:07:32
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.66.252.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 9369
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			190	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019110800 1800 900 604800 86400

;; Query time: 119 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Nov 09 02:48:15 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 158.252.66.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.252.66.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
54.36.148.136 attack
Automatic report - Banned IP Access
2019-08-25 12:00:32
88.208.206.200 attack
Automatic report - Banned IP Access
2019-08-25 12:25:21
92.119.160.125 attackspam
Port scan on 10 port(s): 11502 11504 11539 11555 11629 11679 11711 11741 11757 11778
2019-08-25 12:13:23
62.75.206.166 attack
Aug 24 11:52:55 sachi sshd\[25914\]: Invalid user scan from 62.75.206.166
Aug 24 11:52:55 sachi sshd\[25914\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.75.206.166
Aug 24 11:52:57 sachi sshd\[25914\]: Failed password for invalid user scan from 62.75.206.166 port 39456 ssh2
Aug 24 11:57:03 sachi sshd\[26303\]: Invalid user vikky from 62.75.206.166
Aug 24 11:57:03 sachi sshd\[26303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=62.75.206.166
2019-08-25 11:50:23
142.93.114.123 attackbots
SSH Brute Force, server-1 sshd[1459]: Failed password for invalid user admin from 142.93.114.123 port 57608 ssh2
2019-08-25 11:59:58
112.166.1.227 attackspambots
$f2bV_matches
2019-08-25 12:31:37
115.79.240.30 attackbotsspam
Unauthorized connection attempt from IP address 115.79.240.30 on Port 445(SMB)
2019-08-25 12:10:45
152.168.243.234 attack
$f2bV_matches
2019-08-25 12:01:54
115.221.245.153 attackspambots
SSH Brute Force, server-1 sshd[891]: Failed password for invalid user support from 115.221.245.153 port 42584 ssh2
2019-08-25 11:51:01
223.19.173.121 attack
Unauthorized connection attempt from IP address 223.19.173.121 on Port 445(SMB)
2019-08-25 12:11:52
197.248.157.11 attackbotsspam
WordPress wp-login brute force :: 197.248.157.11 0.048 BYPASS [25/Aug/2019:10:55:52  1000] [censored_4] "POST /wp-login.php HTTP/1.1" 200 3989 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-08-25 12:10:08
187.188.169.123 attackbotsspam
Aug 24 14:30:57 tdfoods sshd\[15670\]: Invalid user kouno from 187.188.169.123
Aug 24 14:30:57 tdfoods sshd\[15670\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=fixed-187-188-169-123.totalplay.net
Aug 24 14:30:59 tdfoods sshd\[15670\]: Failed password for invalid user kouno from 187.188.169.123 port 48328 ssh2
Aug 24 14:35:55 tdfoods sshd\[16049\]: Invalid user kito from 187.188.169.123
Aug 24 14:35:55 tdfoods sshd\[16049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=fixed-187-188-169-123.totalplay.net
2019-08-25 12:08:39
121.134.35.168 attack
Telnet Server BruteForce Attack
2019-08-25 12:09:15
110.137.98.3 attackspam
Unauthorized connection attempt from IP address 110.137.98.3 on Port 445(SMB)
2019-08-25 11:53:30
197.156.81.252 attackspam
Unauthorized connection attempt from IP address 197.156.81.252 on Port 445(SMB)
2019-08-25 12:00:49

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