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: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
IP Type Details Datetime
139.155.121.90 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
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
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 139.155.121.122
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32728
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;139.155.121.122.		IN	A

;; AUTHORITY SECTION:
.			209	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022030803 1800 900 604800 86400

;; Query time: 189 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Mar 09 08:04:44 CST 2022
;; MSG SIZE  rcvd: 108
Host info
Host 122.121.155.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 122.121.155.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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Unauthorized connection attempt detected from IP address 83.167.17.144 to port 80 [T]
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Unauthorized connection attempt detected from IP address 121.206.29.181 to port 6656 [T]
2020-01-27 04:26:40
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Unauthorized connection attempt detected from IP address 222.186.52.139 to port 22 [T]
2020-01-27 04:41:48
37.194.90.131 attack
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2020-01-27 04:39:19
111.74.63.20 attackspam
Unauthorized connection attempt detected from IP address 111.74.63.20 to port 6656 [T]
2020-01-27 04:13:48
183.165.10.62 attack
Unauthorized connection attempt detected from IP address 183.165.10.62 to port 6656 [T]
2020-01-27 04:23:05
114.104.130.218 attackspambots
Unauthorized connection attempt detected from IP address 114.104.130.218 to port 6656 [T]
2020-01-27 04:10:33
182.107.206.81 attack
Unauthorized connection attempt detected from IP address 182.107.206.81 to port 6656 [T]
2020-01-27 04:23:24
223.100.53.196 attack
Unauthorized connection attempt detected from IP address 223.100.53.196 to port 23 [T]
2020-01-27 04:20:06
101.50.57.47 attack
Unauthorized connection attempt detected from IP address 101.50.57.47 to port 445 [T]
2020-01-27 04:35:22
112.218.29.190 attackspambots
Unauthorized connection attempt detected from IP address 112.218.29.190 to port 22 [T]
2020-01-27 04:12:54
218.58.227.229 attackbotsspam
Unauthorized connection attempt detected from IP address 218.58.227.229 to port 1433 [T]
2020-01-27 04:20:42
185.250.62.242 attackbotsspam
Unauthorized connection attempt detected from IP address 185.250.62.242 to port 80 [T]
2020-01-27 04:22:10

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