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: Gwangmyeong-si

Region: Gyeonggi-do

Country: South Korea

Internet Service Provider: KT Corporation

Hostname: unknown

Organization: Korea Telecom

Usage Type: unknown

Comments:
Type Details Datetime
attackspambots
Oct  7 14:32:55 ms-srv sshd[4883]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50  user=root
Oct  7 14:32:57 ms-srv sshd[4883]: Failed password for invalid user root from 211.106.172.50 port 42810 ssh2
2020-02-16 04:06:39
attackspambots
$f2bV_matches
2020-01-04 03:48:05
attack
Jan  2 06:31:29 master sshd[8994]: Failed password for nobody from 211.106.172.50 port 32992 ssh2
2020-01-02 18:20:51
attackbots
Unauthorized SSH login attempts
2019-11-26 04:05:14
attackbots
Sep 14 19:02:08 hanapaa sshd\[5157\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50  user=_apt
Sep 14 19:02:11 hanapaa sshd\[5157\]: Failed password for _apt from 211.106.172.50 port 37400 ssh2
Sep 14 19:07:13 hanapaa sshd\[5563\]: Invalid user na from 211.106.172.50
Sep 14 19:07:13 hanapaa sshd\[5563\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50
Sep 14 19:07:15 hanapaa sshd\[5563\]: Failed password for invalid user na from 211.106.172.50 port 50460 ssh2
2019-09-15 13:25:13
attackbotsspam
Fail2Ban - SSH Bruteforce Attempt
2019-09-15 01:25:27
attackbotsspam
Sep  7 23:47:08 aiointranet sshd\[3673\]: Invalid user radio123 from 211.106.172.50
Sep  7 23:47:08 aiointranet sshd\[3673\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50
Sep  7 23:47:10 aiointranet sshd\[3673\]: Failed password for invalid user radio123 from 211.106.172.50 port 60218 ssh2
Sep  7 23:52:06 aiointranet sshd\[4067\]: Invalid user tfarcenim from 211.106.172.50
Sep  7 23:52:06 aiointranet sshd\[4067\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50
2019-09-08 18:11:43
attack
Aug 26 03:00:11 plusreed sshd[21120]: Invalid user atb from 211.106.172.50
...
2019-08-26 15:35:14
attackspam
Aug 23 18:22:25 vpn01 sshd\[17207\]: Invalid user register from 211.106.172.50
Aug 23 18:22:25 vpn01 sshd\[17207\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50
Aug 23 18:22:27 vpn01 sshd\[17207\]: Failed password for invalid user register from 211.106.172.50 port 47808 ssh2
2019-08-24 01:24:29
attackspam
Aug 22 09:30:41 eddieflores sshd\[31692\]: Invalid user test01 from 211.106.172.50
Aug 22 09:30:41 eddieflores sshd\[31692\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50
Aug 22 09:30:43 eddieflores sshd\[31692\]: Failed password for invalid user test01 from 211.106.172.50 port 43242 ssh2
Aug 22 09:35:13 eddieflores sshd\[32183\]: Invalid user info from 211.106.172.50
Aug 22 09:35:13 eddieflores sshd\[32183\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50
2019-08-23 04:19:11
attackbotsspam
Jul  7 23:16:39 josie sshd[7501]: Invalid user user from 211.106.172.50
Jul  7 23:16:39 josie sshd[7501]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50 
Jul  7 23:16:41 josie sshd[7501]: Failed password for invalid user user from 211.106.172.50 port 51020 ssh2
Jul  7 23:16:41 josie sshd[7503]: Received disconnect from 211.106.172.50: 11: Bye Bye
Jul  7 23:19:08 josie sshd[8953]: Invalid user student from 211.106.172.50
Jul  7 23:19:08 josie sshd[8953]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.106.172.50 
Jul  7 23:19:10 josie sshd[8953]: Failed password for invalid user student from 211.106.172.50 port 45926 ssh2
Jul  7 23:19:11 josie sshd[8954]: Received disconnect from 211.106.172.50: 11: Bye Bye
Jul  7 23:20:55 josie sshd[10004]: Invalid user jira from 211.106.172.50
Jul  7 23:20:55 josie sshd[10004]: pam_unix(sshd:auth): authentication failure; logname= uid=0 ........
-------------------------------
2019-07-09 11:09:31
attackbots
Jun 24 21:49:05 xb0 sshd[12836]: Failed password for invalid user ai from 211.106.172.50 port 52342 ssh2
Jun 24 21:49:05 xb0 sshd[12836]: Received disconnect from 211.106.172.50: 11: Bye Bye [preauth]
Jun 24 21:52:08 xb0 sshd[8019]: Failed password for invalid user svk from 211.106.172.50 port 54554 ssh2
Jun 24 21:52:08 xb0 sshd[8019]: Received disconnect from 211.106.172.50: 11: Bye Bye [preauth]
Jun 24 21:53:54 xb0 sshd[11177]: Failed password for invalid user teamspeak3 from 211.106.172.50 port 43780 ssh2
Jun 24 21:53:54 xb0 sshd[11177]: Received disconnect from 211.106.172.50: 11: Bye Bye [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=211.106.172.50
2019-06-30 00:38:16
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 211.106.172.50
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51120
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019062900 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sun Jun 30 00:37:59 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 50.172.106.211.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 50.172.106.211.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
155.94.254.112 attackspambots
fraudulent SSH attempt
2019-12-14 05:31:41
46.32.70.248 attackbots
Dec 13 22:12:42 OPSO sshd\[27334\]: Invalid user kamas from 46.32.70.248 port 60370
Dec 13 22:12:42 OPSO sshd\[27334\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.32.70.248
Dec 13 22:12:44 OPSO sshd\[27334\]: Failed password for invalid user kamas from 46.32.70.248 port 60370 ssh2
Dec 13 22:18:16 OPSO sshd\[28448\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.32.70.248  user=games
Dec 13 22:18:18 OPSO sshd\[28448\]: Failed password for games from 46.32.70.248 port 36082 ssh2
2019-12-14 05:28:52
192.138.210.121 attackspambots
Dec 13 22:28:45 vps691689 sshd[30902]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.138.210.121
Dec 13 22:28:47 vps691689 sshd[30902]: Failed password for invalid user tombropoulos from 192.138.210.121 port 52508 ssh2
...
2019-12-14 05:48:24
154.83.17.114 attackbotsspam
fraudulent SSH attempt
2019-12-14 05:44:12
65.31.127.80 attackspam
SSH Brute Force, server-1 sshd[22150]: Failed password for invalid user apache from 65.31.127.80 port 48362 ssh2
2019-12-14 05:10:33
125.166.147.216 attackspam
Unauthorized connection attempt detected from IP address 125.166.147.216 to port 445
2019-12-14 05:20:27
165.22.90.96 attack
165.22.90.96 was recorded 5 times by 5 hosts attempting to connect to the following ports: 5683. Incident counter (4h, 24h, all-time): 5, 29, 29
2019-12-14 05:45:13
179.232.1.252 attack
Dec 13 23:11:40 sauna sshd[44600]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.232.1.252
Dec 13 23:11:42 sauna sshd[44600]: Failed password for invalid user bankmann from 179.232.1.252 port 57724 ssh2
...
2019-12-14 05:33:02
190.96.172.101 attackbotsspam
Dec 13 10:54:47 plusreed sshd[1886]: Invalid user gis from 190.96.172.101
...
2019-12-14 05:36:09
106.12.90.45 attackspambots
$f2bV_matches
2019-12-14 05:44:00
115.231.73.154 attackspambots
Dec 13 08:01:20 php1 sshd\[31689\]: Invalid user langelotz from 115.231.73.154
Dec 13 08:01:20 php1 sshd\[31689\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.231.73.154
Dec 13 08:01:22 php1 sshd\[31689\]: Failed password for invalid user langelotz from 115.231.73.154 port 49091 ssh2
Dec 13 08:07:51 php1 sshd\[32433\]: Invalid user doggie from 115.231.73.154
Dec 13 08:07:51 php1 sshd\[32433\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.231.73.154
2019-12-14 05:46:45
180.252.37.51 attackspambots
Unauthorized connection attempt detected from IP address 180.252.37.51 to port 445
2019-12-14 05:18:53
86.98.13.226 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 13-12-2019 15:55:11.
2019-12-14 05:10:02
61.19.247.121 attack
Dec 13 21:10:42 sso sshd[18573]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.19.247.121
Dec 13 21:10:44 sso sshd[18573]: Failed password for invalid user vpn123 from 61.19.247.121 port 32862 ssh2
...
2019-12-14 05:47:39
202.73.9.76 attackspam
Dec 13 11:17:17 auw2 sshd\[22269\]: Invalid user info from 202.73.9.76
Dec 13 11:17:17 auw2 sshd\[22269\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=smartspace.wenet.my
Dec 13 11:17:18 auw2 sshd\[22269\]: Failed password for invalid user info from 202.73.9.76 port 55340 ssh2
Dec 13 11:23:42 auw2 sshd\[22876\]: Invalid user morka from 202.73.9.76
Dec 13 11:23:42 auw2 sshd\[22876\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=smartspace.wenet.my
2019-12-14 05:35:45

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