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: Tencent Cloud Computing (Beijing) Co. Ltd.

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Sep 26 05:48:10 [snip] sshd[16972]: Invalid user track from 139.155.21.129 port 53376
Sep 26 05:48:10 [snip] sshd[16972]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.129
Sep 26 05:48:12 [snip] sshd[16972]: Failed password for invalid user track from 139.155.21.129 port 53376 ssh2[...]
2019-09-26 16:34:44
Comments on same subnet:
IP Type Details Datetime
139.155.21.34 attack
SSH login attempts.
2020-09-09 00:18:04
139.155.21.34 attackspambots
SSH login attempts.
2020-09-08 15:49:56
139.155.21.34 attack
Lines containing failures of 139.155.21.34
Sep  7 02:16:25 v2hgb sshd[5602]: Invalid user ubnt from 139.155.21.34 port 38778
Sep  7 02:16:25 v2hgb sshd[5602]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34 
Sep  7 02:16:27 v2hgb sshd[5602]: Failed password for invalid user ubnt from 139.155.21.34 port 38778 ssh2
Sep  7 02:16:27 v2hgb sshd[5602]: Received disconnect from 139.155.21.34 port 38778:11: Bye Bye [preauth]
Sep  7 02:16:27 v2hgb sshd[5602]: Disconnected from invalid user ubnt 139.155.21.34 port 38778 [preauth]
Sep  7 02:37:10 v2hgb sshd[7634]: Connection closed by 139.155.21.34 port 39446 [preauth]
Sep  7 02:41:12 v2hgb sshd[8175]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34  user=r.r
Sep  7 02:41:14 v2hgb sshd[8175]: Failed password for r.r from 139.155.21.34 port 58590 ssh2
Sep  7 02:41:15 v2hgb sshd[8175]: Received disconnect from 139.155.21.34 por........
------------------------------
2020-09-08 08:24:38
139.155.21.34 attack
Invalid user git from 139.155.21.34 port 43078
2020-09-02 20:36:28
139.155.21.34 attackbotsspam
Jul 24 10:30:38 server sshd[8988]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34
Jul 24 10:30:39 server sshd[8988]: Failed password for invalid user admin from 139.155.21.34 port 53580 ssh2
Jul 24 10:38:03 server sshd[10333]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34
2020-09-02 12:30:53
139.155.21.34 attackbots
Input Traffic from this IP, but critial abuseconfidencescore
2020-09-02 05:39:51
139.155.21.34 attackbotsspam
Fail2Ban Ban Triggered (2)
2020-08-28 03:54:16
139.155.21.34 attackspam
fail2ban -- 139.155.21.34
...
2020-08-21 17:07:27
139.155.21.34 attackspambots
Aug 18 15:36:13 vps639187 sshd\[15240\]: Invalid user le from 139.155.21.34 port 48616
Aug 18 15:36:13 vps639187 sshd\[15240\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34
Aug 18 15:36:15 vps639187 sshd\[15240\]: Failed password for invalid user le from 139.155.21.34 port 48616 ssh2
...
2020-08-18 22:01:22
139.155.21.34 attackspam
Aug 11 15:07:58 cosmoit sshd[21906]: Failed password for root from 139.155.21.34 port 46194 ssh2
2020-08-11 21:46:31
139.155.21.186 attack
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-08-09T16:44:02Z and 2020-08-09T16:54:14Z
2020-08-10 03:46:07
139.155.21.186 attack
Aug  9 06:35:30 marvibiene sshd[6560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.186  user=root
Aug  9 06:35:32 marvibiene sshd[6560]: Failed password for root from 139.155.21.186 port 38006 ssh2
Aug  9 06:50:11 marvibiene sshd[6820]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.186  user=root
Aug  9 06:50:12 marvibiene sshd[6820]: Failed password for root from 139.155.21.186 port 46438 ssh2
2020-08-09 15:03:59
139.155.21.34 attack
Aug  8 07:07:49 journals sshd\[123764\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34  user=root
Aug  8 07:07:51 journals sshd\[123764\]: Failed password for root from 139.155.21.34 port 58630 ssh2
Aug  8 07:12:28 journals sshd\[124225\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34  user=root
Aug  8 07:12:29 journals sshd\[124225\]: Failed password for root from 139.155.21.34 port 53102 ssh2
Aug  8 07:17:08 journals sshd\[124585\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.34  user=root
...
2020-08-08 15:41:50
139.155.21.186 attackbotsspam
Jul 29 11:04:16 journals sshd\[12620\]: Invalid user yzhu from 139.155.21.186
Jul 29 11:04:16 journals sshd\[12620\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.186
Jul 29 11:04:18 journals sshd\[12620\]: Failed password for invalid user yzhu from 139.155.21.186 port 41158 ssh2
Jul 29 11:07:56 journals sshd\[13104\]: Invalid user tomcat from 139.155.21.186
Jul 29 11:07:56 journals sshd\[13104\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.186
...
2020-07-29 16:17:53
139.155.21.186 attack
Jul 28 12:04:50 onepixel sshd[3644051]: Invalid user wangwq from 139.155.21.186 port 54182
Jul 28 12:04:50 onepixel sshd[3644051]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.21.186 
Jul 28 12:04:50 onepixel sshd[3644051]: Invalid user wangwq from 139.155.21.186 port 54182
Jul 28 12:04:52 onepixel sshd[3644051]: Failed password for invalid user wangwq from 139.155.21.186 port 54182 ssh2
Jul 28 12:08:21 onepixel sshd[3646075]: Invalid user pengteng from 139.155.21.186 port 34680
2020-07-28 20:13:58
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.155.21.129
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28096
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			521	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019092600 1800 900 604800 86400

;; Query time: 558 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Sep 26 16:34:41 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 129.21.155.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 129.21.155.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
58.153.243.5 attackspam
Honeypot attack, port: 5555, PTR: n058153243005.netvigator.com.
2020-02-20 14:53:38
222.186.169.192 attackspam
$f2bV_matches
2020-02-20 14:50:42
112.85.42.185 attackspam
Feb 20 08:50:25 ift sshd\[10135\]: Failed password for root from 112.85.42.185 port 29540 ssh2Feb 20 08:50:27 ift sshd\[10135\]: Failed password for root from 112.85.42.185 port 29540 ssh2Feb 20 08:50:29 ift sshd\[10135\]: Failed password for root from 112.85.42.185 port 29540 ssh2Feb 20 08:51:20 ift sshd\[10299\]: Failed password for root from 112.85.42.185 port 41046 ssh2Feb 20 08:51:23 ift sshd\[10299\]: Failed password for root from 112.85.42.185 port 41046 ssh2
...
2020-02-20 14:52:42
221.115.136.125 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-20 14:48:01
219.79.46.210 attack
Honeypot attack, port: 5555, PTR: n219079046210.netvigator.com.
2020-02-20 14:27:40
112.164.140.12 attackspambots
Honeypot attack, port: 81, PTR: PTR record not found
2020-02-20 14:21:27
180.76.37.42 attackspambots
Feb 20 01:51:34 firewall sshd[20362]: Failed password for invalid user minecraft from 180.76.37.42 port 34604 ssh2
Feb 20 01:55:07 firewall sshd[20538]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.37.42  user=backup
Feb 20 01:55:09 firewall sshd[20538]: Failed password for backup from 180.76.37.42 port 58686 ssh2
...
2020-02-20 15:01:50
194.182.65.100 attackspambots
SSH bruteforce (Triggered fail2ban)
2020-02-20 14:24:58
187.135.22.86 attackspam
1582174544 - 02/20/2020 05:55:44 Host: 187.135.22.86/187.135.22.86 Port: 445 TCP Blocked
2020-02-20 14:28:16
192.144.129.98 attackbots
Feb 20 07:17:15 silence02 sshd[10429]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.129.98
Feb 20 07:17:17 silence02 sshd[10429]: Failed password for invalid user server from 192.144.129.98 port 50856 ssh2
Feb 20 07:21:35 silence02 sshd[10853]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.129.98
2020-02-20 14:35:04
114.5.105.171 attackspam
Honeypot attack, port: 445, PTR: 114-5-105-171.resources.indosat.com.
2020-02-20 14:42:13
157.230.163.6 attack
Feb 20 05:54:09 server sshd[1665350]: Failed password for invalid user games from 157.230.163.6 port 54072 ssh2
Feb 20 06:54:29 server sshd[1700503]: Failed password for invalid user www from 157.230.163.6 port 38882 ssh2
Feb 20 06:57:21 server sshd[1702057]: Failed password for invalid user minecraft from 157.230.163.6 port 39534 ssh2
2020-02-20 14:25:43
103.79.90.72 attackbotsspam
Feb 20 07:16:57 sd-53420 sshd\[14841\]: Invalid user Michelle from 103.79.90.72
Feb 20 07:16:57 sd-53420 sshd\[14841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.90.72
Feb 20 07:16:59 sd-53420 sshd\[14841\]: Failed password for invalid user Michelle from 103.79.90.72 port 57412 ssh2
Feb 20 07:19:56 sd-53420 sshd\[15065\]: Invalid user at from 103.79.90.72
Feb 20 07:19:56 sd-53420 sshd\[15065\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.79.90.72
...
2020-02-20 14:28:56
185.136.219.74 attack
Illegal actions on webapp
2020-02-20 14:20:35
222.111.114.50 attackspambots
MultiHost/MultiPort Probe, Scan, Hack -
2020-02-20 14:30:50

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