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: Seoul

Region: Seoul

Country: South Korea

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
121.138.115.148 attackspam
xmlrpc attack
2020-07-07 13:15:42
121.138.174.51 attackspambots
unauthorized connection attempt
2020-06-30 16:49:53
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
121.138.171.77 attack
kp-sea2-01 recorded 2 login violations from 121.138.171.77 and was blocked at 2020-03-21 03:50:42. 121.138.171.77 has been blocked on 0 previous occasions. 121.138.171.77's first attempt was recorded at 2020-03-21 03:50:42
2020-03-21 16:04:56
121.138.149.198 attackspam
Unauthorized connection attempt detected from IP address 121.138.149.198 to port 23
2020-01-06 00:22:12
121.138.134.71 attackspambots
HTTP/80/443 Probe, BF, WP, Hack -
2019-12-26 04:35:50
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
121.138.108.28 attack
22/tcp 22/tcp
[2019-06-06/07-02]2pkt
2019-07-02 14:30:41
121.138.174.176 attack
May 6 17:49:14 mail sshd\\[17774\\]: Invalid user admin from 121.138.174.176\\
May 6 17:49:15 mail sshd\\[17774\\]: Failed password for invalid user admin from 121.138.174.176 port 47833 ssh2\\
May 6 17:49:17 mail sshd\\[17774\\]: Failed password for invalid user admin from 121.138.174.176 port 47833 ssh2\\
May 6 17:49:19 mail sshd\\[17774\\]: Failed password for invalid user admin from 121.138.174.176 port 47833 ssh2\\
May 6 17:49:21 mail sshd\\[17774\\]: Failed password for invalid user admin from 121.138.174.176 port 47833 ssh2\\
May 6 17:49:23 mail sshd\\[17774\\]: Failed password for invalid user admin from 121.138.174.176 port 47833 ssh2\\
2019-05-25 07:34:15
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.138.1.237
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42100
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			499	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020090100 1800 900 604800 86400

;; Query time: 51 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Sep 01 22:48:42 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 237.1.138.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 237.1.138.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.101.240.197 attack
SSH-BruteForce
2019-06-25 14:50:36
205.185.124.57 attackbots
Invalid user admin from 205.185.124.57 port 33404
2019-06-25 14:37:09
198.98.60.66 attack
Invalid user admin from 198.98.60.66 port 57490
2019-06-25 15:03:03
149.202.65.173 attackspambots
Jun 24 19:07:16 cac1d2 sshd\[11814\]: Invalid user riakcs from 149.202.65.173 port 43538
Jun 24 19:07:16 cac1d2 sshd\[11814\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.202.65.173
Jun 24 19:07:18 cac1d2 sshd\[11814\]: Failed password for invalid user riakcs from 149.202.65.173 port 43538 ssh2
...
2019-06-25 15:06:57
197.54.99.11 attackbotsspam
Invalid user admin from 197.54.99.11 port 54493
2019-06-25 14:37:28
81.230.99.43 attackspam
Jun 25 04:06:54 marvibiene sshd[10895]: Invalid user nmrsu from 81.230.99.43 port 54620
Jun 25 04:06:54 marvibiene sshd[10895]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.230.99.43
Jun 25 04:06:54 marvibiene sshd[10895]: Invalid user nmrsu from 81.230.99.43 port 54620
Jun 25 04:06:56 marvibiene sshd[10895]: Failed password for invalid user nmrsu from 81.230.99.43 port 54620 ssh2
...
2019-06-25 14:34:17
37.252.185.227 attackspam
2019-06-24 UTC: 2x - sansforensics,student
2019-06-25 14:24:09
46.101.49.156 attackbots
Jun 25 06:13:20 ArkNodeAT sshd\[31119\]: Invalid user zhanghua from 46.101.49.156
Jun 25 06:13:20 ArkNodeAT sshd\[31119\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.49.156
Jun 25 06:13:22 ArkNodeAT sshd\[31119\]: Failed password for invalid user zhanghua from 46.101.49.156 port 46530 ssh2
2019-06-25 14:51:03
199.243.155.99 attackspambots
Invalid user napporn from 199.243.155.99 port 46312
2019-06-25 14:51:59
62.65.78.119 attackbots
firewall-block, port(s): 5555/tcp
2019-06-25 14:48:43
159.65.54.221 attack
Jun 25 07:15:12 localhost sshd\[49949\]: Invalid user chef from 159.65.54.221 port 48372
Jun 25 07:15:12 localhost sshd\[49949\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.54.221
...
2019-06-25 15:06:25
193.188.22.12 attackspam
k+ssh-bruteforce
2019-06-25 14:52:20
51.68.220.249 attackspambots
Invalid user vv from 51.68.220.249 port 54966
2019-06-25 14:49:36
107.170.172.23 attackspambots
Jun 25 08:03:19 ncomp sshd[23484]: Invalid user hunter from 107.170.172.23
Jun 25 08:03:19 ncomp sshd[23484]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.170.172.23
Jun 25 08:03:19 ncomp sshd[23484]: Invalid user hunter from 107.170.172.23
Jun 25 08:03:21 ncomp sshd[23484]: Failed password for invalid user hunter from 107.170.172.23 port 35508 ssh2
2019-06-25 14:44:30
139.59.9.58 attackbots
Jun 25 03:38:07 ArkNodeAT sshd\[16777\]: Invalid user mashad from 139.59.9.58
Jun 25 03:38:07 ArkNodeAT sshd\[16777\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.9.58
Jun 25 03:38:09 ArkNodeAT sshd\[16777\]: Failed password for invalid user mashad from 139.59.9.58 port 51384 ssh2
2019-06-25 14:43:00

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