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: Korea Republic of

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
121.138.155.41 attackspam
Unauthorized IMAP connection attempt
2020-06-03 08:24:39
121.138.155.41 attackbots
Apr 29 13:47:45 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:47:52 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:47:54 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:47:56 web01.agentur-b-2.de postfix/smtpd[1089894]: NOQUEUE: reject: RCPT from unknown[121.138.155.41]: 450 4.7.1 <2cd.us>: Helo command rejected: Host not found; from= to= proto=ESMTP helo=<2cd.us>
Apr 29 13:48:03 web01.agentur-b-2.de po
2020-04-29 20:44:35
121.138.155.41 attackbotsspam
2019-09-19 20:06:48 H=(lolafitness.it) [121.138.155.41]:47228 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/121.138.155.41)
2019-09-19 20:06:48 H=(lolafitness.it) [121.138.155.41]:47228 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.4, 127.0.0.3) (https://www.spamhaus.org/query/ip/121.138.155.41)
2019-09-19 20:06:50 H=(lolafitness.it) [121.138.155.41]:47228 I=[192.147.25.65]:25 F= rejected RCPT : RBL: found in thrukfz5b56tq6xao6odgdyjrq.zen.dq.spamhaus.net (127.0.0.3, 127.0.0.4) (https://www.spamhaus.org/query/ip/121.138.155.41)
...
2019-09-20 10:26:23
121.138.155.41 attackbotsspam
"Account brute force using dictionary attack against Exchange Online"
2019-08-06 01:53:32
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.138.155.234
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17062
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.138.155.234.		IN	A

;; AUTHORITY SECTION:
.			538	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022030800 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Mar 08 20:00:43 CST 2022
;; MSG SIZE  rcvd: 108
Host info
Host 234.155.138.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 234.155.138.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
180.250.111.17 attackspambots
Dec 12 11:51:26 cvbnet sshd[7622]: Failed password for root from 180.250.111.17 port 51030 ssh2
...
2019-12-12 19:05:59
218.92.0.172 attackbotsspam
2019-12-12T10:56:36.570332shield sshd\[1771\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.172  user=root
2019-12-12T10:56:38.629467shield sshd\[1771\]: Failed password for root from 218.92.0.172 port 39486 ssh2
2019-12-12T10:56:41.676341shield sshd\[1771\]: Failed password for root from 218.92.0.172 port 39486 ssh2
2019-12-12T10:56:45.124130shield sshd\[1771\]: Failed password for root from 218.92.0.172 port 39486 ssh2
2019-12-12T10:56:48.121089shield sshd\[1771\]: Failed password for root from 218.92.0.172 port 39486 ssh2
2019-12-12 18:57:48
149.56.45.87 attack
Dec 12 11:51:12 vps647732 sshd[29351]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.45.87
Dec 12 11:51:14 vps647732 sshd[29351]: Failed password for invalid user yasuhara from 149.56.45.87 port 60308 ssh2
...
2019-12-12 19:12:22
81.133.73.161 attackbots
Dec 12 06:25:55 *** sshd[25369]: Invalid user ocean from 81.133.73.161
2019-12-12 19:09:39
120.195.128.101 attackbots
12/12/2019-07:26:18.424733 120.195.128.101 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2019-12-12 18:40:01
45.93.20.151 attackspam
firewall-block, port(s): 57946/tcp
2019-12-12 19:02:24
125.31.42.130 attackspambots
1576131889 - 12/12/2019 07:24:49 Host: 125.31.42.130/125.31.42.130 Port: 445 TCP Blocked
2019-12-12 19:06:56
146.0.142.68 attackbotsspam
Dec 12 12:21:01 ncomp sshd[18638]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.0.142.68  user=root
Dec 12 12:21:04 ncomp sshd[18638]: Failed password for root from 146.0.142.68 port 55720 ssh2
Dec 12 12:33:02 ncomp sshd[18777]: Invalid user not from 146.0.142.68
2019-12-12 18:48:42
190.129.47.148 attackspambots
Dec 12 10:47:37 game-panel sshd[11852]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.129.47.148
Dec 12 10:47:39 game-panel sshd[11852]: Failed password for invalid user admin from 190.129.47.148 port 34890 ssh2
Dec 12 10:55:14 game-panel sshd[12254]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.129.47.148
2019-12-12 19:13:29
182.61.40.227 attackspambots
Dec 12 11:16:30 ns41 sshd[1452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.40.227
Dec 12 11:16:30 ns41 sshd[1452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.40.227
2019-12-12 18:53:29
163.47.214.158 attackbots
Dec 12 10:07:19 server sshd\[8117\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.47.214.158  user=root
Dec 12 10:07:22 server sshd\[8117\]: Failed password for root from 163.47.214.158 port 56098 ssh2
Dec 12 10:17:46 server sshd\[11228\]: Invalid user tubate from 163.47.214.158
Dec 12 10:17:46 server sshd\[11228\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.47.214.158 
Dec 12 10:17:48 server sshd\[11228\]: Failed password for invalid user tubate from 163.47.214.158 port 33156 ssh2
...
2019-12-12 18:56:56
142.44.184.226 attackspam
Dec 12 10:28:58 work-partkepr sshd\[26959\]: Invalid user demo from 142.44.184.226 port 36326
Dec 12 10:28:58 work-partkepr sshd\[26959\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.44.184.226
...
2019-12-12 18:34:57
51.68.82.217 attackbots
[portscan] Port scan
2019-12-12 18:53:10
188.166.251.156 attack
Invalid user ubuntu from 188.166.251.156 port 48558
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.251.156
Failed password for invalid user ubuntu from 188.166.251.156 port 48558 ssh2
Invalid user sookdeo from 188.166.251.156 port 57506
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.251.156
2019-12-12 18:34:32
185.200.118.72 attack
1080/tcp 3389/tcp 3128/tcp...
[2019-10-12/12-12]49pkt,4pt.(tcp),1pt.(udp)
2019-12-12 18:50:18

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