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
attackspam
Jun 11 20:28:31 firewall sshd[11145]: Failed password for invalid user lby from 139.155.121.90 port 42088 ssh2
Jun 11 20:31:29 firewall sshd[11237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.90  user=root
Jun 11 20:31:30 firewall sshd[11237]: Failed password for root from 139.155.121.90 port 51004 ssh2
...
2020-06-12 08:26:05
Comments on same subnet:
IP Type Details Datetime
139.155.121.230 spamattack
Determined IP using DNS Lookup: unknown = ['37.202.5.156']
Dec 20 06:21:39 xxxxxxx postfix/smtpd[1357]: connect from unknown[unknown]
Dec 20 06:21:39 xxxxxxx psa-pc-remote[26837]: Unable to interpret remote host address
Dec 20 06:21:39 xxxxxxx postfix/smtpd[1357]: NOQUEUE: milter-reject: CONNECT from unknown[unknown]: 451 4.7.1 Service unavailable; proto=SMTP
Dec 20 06:21:39 xxxxxxx postfix/smtpd[1357]: lost connection after CONNECT from unknown[unknown]
Dec 20 06:21:39 xxxxxxx postfix/smtpd[1357]: disconnect from unknown[unknown] commands=0/0
Dec 20 06:21:41 xxxxxxx postfix/smtpd[1365]: connect from unknown[unknown]
Dec 20 06:21:41 xxxxxxx postfix/smtpd[1365]: SSL_accept error from unknown[unknown]: Connection reset by peer
Dec 20 06:21:41 xxxxxxx postfix/smtpd[1365]: lost connection after CONNECT from unknown[unknown]
Dec 20 06:21:41 xxxxxxx postfix/smtpd[1365]: disconnect from unknown[unknown] commands=0/0
2019-12-20 16:48:02
139.155.121.230 attack
Nov  3 17:42:42 server sshd\[8618\]: User root from 139.155.121.230 not allowed because listed in DenyUsers
Nov  3 17:42:42 server sshd\[8618\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230  user=root
Nov  3 17:42:44 server sshd\[8618\]: Failed password for invalid user root from 139.155.121.230 port 52030 ssh2
Nov  3 17:47:22 server sshd\[20451\]: User root from 139.155.121.230 not allowed because listed in DenyUsers
Nov  3 17:47:22 server sshd\[20451\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230  user=root
2019-11-03 23:54:50
139.155.121.230 attack
Oct 29 05:33:46 ws19vmsma01 sshd[41997]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Oct 29 05:33:47 ws19vmsma01 sshd[41997]: Failed password for invalid user ciserve from 139.155.121.230 port 47042 ssh2
...
2019-10-29 17:53:24
139.155.121.230 attackspambots
Oct 19 22:47:12 legacy sshd[23034]: Failed password for root from 139.155.121.230 port 52536 ssh2
Oct 19 22:51:35 legacy sshd[23204]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Oct 19 22:51:37 legacy sshd[23204]: Failed password for invalid user emech from 139.155.121.230 port 34420 ssh2
...
2019-10-20 04:58:59
139.155.121.230 attackspambots
Oct  8 12:33:15 legacy sshd[6704]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Oct  8 12:33:17 legacy sshd[6704]: Failed password for invalid user Human123 from 139.155.121.230 port 35070 ssh2
Oct  8 12:37:46 legacy sshd[6842]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
...
2019-10-08 19:24:35
139.155.121.230 attackspambots
Oct  8 00:18:55 lnxded64 sshd[20552]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
2019-10-08 07:46:52
139.155.121.230 attackbotsspam
Oct  1 22:13:54 xxxxxxx0 sshd[28793]: Invalid user test from 139.155.121.230 port 44416
Oct  1 22:13:54 xxxxxxx0 sshd[28793]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Oct  1 22:13:56 xxxxxxx0 sshd[28793]: Failed password for invalid user test from 139.155.121.230 port 44416 ssh2
Oct  1 22:28:32 xxxxxxx0 sshd[31205]: Invalid user network from 139.155.121.230 port 36588
Oct  1 22:28:32 xxxxxxx0 sshd[31205]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=139.155.121.230
2019-10-03 19:14:09
139.155.121.230 attack
Oct  3 00:10:56 vps01 sshd[25163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Oct  3 00:10:58 vps01 sshd[25163]: Failed password for invalid user test from 139.155.121.230 port 38484 ssh2
2019-10-03 06:21:49
139.155.121.230 attackspam
Sep 27 03:55:21 php1 sshd\[22237\]: Invalid user debian-tor from 139.155.121.230
Sep 27 03:55:21 php1 sshd\[22237\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Sep 27 03:55:23 php1 sshd\[22237\]: Failed password for invalid user debian-tor from 139.155.121.230 port 58002 ssh2
Sep 27 04:00:38 php1 sshd\[22891\]: Invalid user tod from 139.155.121.230
Sep 27 04:00:38 php1 sshd\[22891\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
2019-09-27 22:13:46
139.155.121.230 attackbotsspam
Sep 24 23:14:03 vps691689 sshd[10526]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Sep 24 23:14:06 vps691689 sshd[10526]: Failed password for invalid user bbb from 139.155.121.230 port 43346 ssh2
Sep 24 23:17:37 vps691689 sshd[10557]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
...
2019-09-25 05:42:12
139.155.121.230 attackspam
Sep 24 22:46:09 vps691689 sshd[10180]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Sep 24 22:46:11 vps691689 sshd[10180]: Failed password for invalid user ti from 139.155.121.230 port 35790 ssh2
...
2019-09-25 04:56:16
139.155.121.230 attackspam
Sep 10 12:37:34 hiderm sshd\[11514\]: Invalid user oracle from 139.155.121.230
Sep 10 12:37:34 hiderm sshd\[11514\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Sep 10 12:37:36 hiderm sshd\[11514\]: Failed password for invalid user oracle from 139.155.121.230 port 50584 ssh2
Sep 10 12:42:49 hiderm sshd\[12085\]: Invalid user www-upload from 139.155.121.230
Sep 10 12:42:49 hiderm sshd\[12085\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
2019-09-11 09:52:20
139.155.121.230 attackbots
Sep  4 06:47:25 microserver sshd[24104]: Invalid user git from 139.155.121.230 port 49966
Sep  4 06:47:25 microserver sshd[24104]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Sep  4 06:47:27 microserver sshd[24104]: Failed password for invalid user git from 139.155.121.230 port 49966 ssh2
Sep  4 06:51:19 microserver sshd[24700]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230  user=root
Sep  4 06:51:21 microserver sshd[24700]: Failed password for root from 139.155.121.230 port 54974 ssh2
Sep  4 07:03:37 microserver sshd[26120]: Invalid user jena from 139.155.121.230 port 41762
Sep  4 07:03:37 microserver sshd[26120]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Sep  4 07:03:39 microserver sshd[26120]: Failed password for invalid user jena from 139.155.121.230 port 41762 ssh2
Sep  4 07:08:47 microserver sshd[26787]: Invalid user magda fro
2019-09-04 13:51:14
139.155.121.230 attackspambots
Aug 22 06:37:44 server sshd\[4729\]: Invalid user mortimer from 139.155.121.230 port 57192
Aug 22 06:37:44 server sshd\[4729\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
Aug 22 06:37:46 server sshd\[4729\]: Failed password for invalid user mortimer from 139.155.121.230 port 57192 ssh2
Aug 22 06:41:30 server sshd\[5303\]: Invalid user julien from 139.155.121.230 port 55652
Aug 22 06:41:30 server sshd\[5303\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.155.121.230
2019-08-22 13:52:30
139.155.121.230 attackbots
$f2bV_matches
2019-08-16 17:15:54
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.155.121.90
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 31050
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			364	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020061102 1800 900 604800 86400

;; Query time: 107 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jun 12 08:26:01 CST 2020
;; MSG SIZE  rcvd: 118
Host info
Host 90.121.155.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 90.121.155.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
167.172.21.116 attackbots
2020-01-03T04:43:11Z - RDP login failed multiple times. (167.172.21.116)
2020-01-03 20:58:13
46.101.88.53 attackbots
Triggered by Fail2Ban at Vostok web server
2020-01-03 21:08:01
2.185.241.67 attackspambots
Honeypot attack, port: 23, PTR: PTR record not found
2020-01-03 20:39:16
103.3.226.166 attackbots
Jan  3 08:15:03 herz-der-gamer sshd[23656]: Invalid user admin from 103.3.226.166 port 35995
Jan  3 08:15:03 herz-der-gamer sshd[23656]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.3.226.166
Jan  3 08:15:03 herz-der-gamer sshd[23656]: Invalid user admin from 103.3.226.166 port 35995
Jan  3 08:15:05 herz-der-gamer sshd[23656]: Failed password for invalid user admin from 103.3.226.166 port 35995 ssh2
...
2020-01-03 20:58:50
192.241.135.34 attackspam
Invalid user rognebakke from 192.241.135.34 port 60289
2020-01-03 20:46:07
92.50.249.92 attackbots
Jan  3 13:08:38 ws26vmsma01 sshd[110463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.50.249.92
Jan  3 13:08:40 ws26vmsma01 sshd[110463]: Failed password for invalid user iinstall from 92.50.249.92 port 38448 ssh2
...
2020-01-03 21:22:08
175.140.23.248 attackspam
SSH bruteforce
2020-01-03 20:58:30
192.99.31.122 attack
Automatic report - XMLRPC Attack
2020-01-03 21:02:38
125.27.78.199 attackbotsspam
Honeypot attack, port: 445, PTR: node-fk7.pool-125-27.dynamic.totinternet.net.
2020-01-03 20:56:28
123.193.226.177 attackspam
Honeypot attack, port: 23, PTR: 123-193-226-177.dynamic.kbronet.com.tw.
2020-01-03 20:57:49
46.38.144.117 attackspam
Jan  3 14:05:28 relay postfix/smtpd\[18966\]: warning: unknown\[46.38.144.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  3 14:06:38 relay postfix/smtpd\[1899\]: warning: unknown\[46.38.144.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  3 14:07:08 relay postfix/smtpd\[23364\]: warning: unknown\[46.38.144.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  3 14:08:19 relay postfix/smtpd\[20692\]: warning: unknown\[46.38.144.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jan  3 14:08:49 relay postfix/smtpd\[30295\]: warning: unknown\[46.38.144.117\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-01-03 21:13:07
51.68.174.177 attack
Jan  3 14:19:23 ns381471 sshd[25074]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.174.177
Jan  3 14:19:25 ns381471 sshd[25074]: Failed password for invalid user lke from 51.68.174.177 port 40192 ssh2
2020-01-03 21:21:33
156.194.110.198 attackbots
Jan  3 05:43:30 vpn01 sshd[23918]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=156.194.110.198
Jan  3 05:43:32 vpn01 sshd[23918]: Failed password for invalid user admin from 156.194.110.198 port 42042 ssh2
...
2020-01-03 20:44:22
132.148.129.180 attackbots
Automatically reported by fail2ban report script (powermetal)
2020-01-03 21:17:26
134.175.152.157 attack
$f2bV_matches
2020-01-03 20:56:01

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