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:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.136.24.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51054
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.136.24.138.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022091600 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Sep 16 14:17:38 CST 2022
;; MSG SIZE  rcvd: 107
Host info
Host 138.24.136.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.24.136.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
177.17.39.56 attackspam
Automatic report - Port Scan Attack
2020-03-10 23:12:12
49.88.112.115 attackbots
Mar 10 04:45:06 auw2 sshd\[23118\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.115  user=root
Mar 10 04:45:08 auw2 sshd\[23118\]: Failed password for root from 49.88.112.115 port 40917 ssh2
Mar 10 04:46:06 auw2 sshd\[23193\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.115  user=root
Mar 10 04:46:08 auw2 sshd\[23193\]: Failed password for root from 49.88.112.115 port 26843 ssh2
Mar 10 04:46:10 auw2 sshd\[23193\]: Failed password for root from 49.88.112.115 port 26843 ssh2
2020-03-10 22:55:57
188.37.234.139 attackbotsspam
Invalid user netdump from 188.37.234.139 port 56859
2020-03-10 22:42:57
183.89.57.103 attackspam
Mar 10 10:14:40 srv1 sshd[16890]: Did not receive identification string from 183.89.57.103
Mar 10 10:14:45 srv1 sshd[16892]: Address 183.89.57.103 maps to mx-ll-183.89.57-103.dynamic.3bb.in.th, but this does not map back to the address - POSSIBLE BREAK-IN ATTEMPT!
Mar 10 10:14:45 srv1 sshd[16892]: Invalid user 888888 from 183.89.57.103
Mar 10 10:14:45 srv1 sshd[16892]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.89.57.103 
Mar 10 10:14:48 srv1 sshd[16892]: Failed password for invalid user 888888 from 183.89.57.103 port 12945 ssh2
Mar 10 10:14:48 srv1 sshd[16893]: Connection closed by 183.89.57.103


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=183.89.57.103
2020-03-10 23:11:15
222.186.175.217 attack
Mar 10 15:14:03 v22018076622670303 sshd\[4653\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.175.217  user=root
Mar 10 15:14:04 v22018076622670303 sshd\[4653\]: Failed password for root from 222.186.175.217 port 37222 ssh2
Mar 10 15:14:08 v22018076622670303 sshd\[4653\]: Failed password for root from 222.186.175.217 port 37222 ssh2
...
2020-03-10 22:23:51
188.212.11.228 attack
Automatic report - Port Scan Attack
2020-03-10 22:28:34
182.185.123.243 attackbots
Brute-force general attack.
2020-03-10 22:52:12
109.227.63.3 attackspam
Scan on closed tcp port 22  (ssh)
2020-03-10 22:33:53
180.253.208.43 attackspam
SSH bruteforce more then 50 syn to 22 port per 10 seconds.
2020-03-10 22:26:58
52.60.147.135 attack
2020-03-10T13:30:27.825287shield sshd\[26669\]: Invalid user sinusbot from 52.60.147.135 port 57742
2020-03-10T13:30:27.835658shield sshd\[26669\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-60-147-135.ca-central-1.compute.amazonaws.com
2020-03-10T13:30:29.641332shield sshd\[26669\]: Failed password for invalid user sinusbot from 52.60.147.135 port 57742 ssh2
2020-03-10T13:40:22.044238shield sshd\[27896\]: Invalid user tom from 52.60.147.135 port 51970
2020-03-10T13:40:22.048482shield sshd\[27896\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-60-147-135.ca-central-1.compute.amazonaws.com
2020-03-10 22:50:42
123.27.144.242 attack
Mar x@x
Mar x@x
Mar x@x
Mar x@x
Mar x@x

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=123.27.144.242
2020-03-10 22:56:47
110.139.127.165 attackspam
20/3/10@09:04:00: FAIL: Alarm-Network address from=110.139.127.165
...
2020-03-10 22:45:13
192.241.208.155 attack
404 NOT FOUND
2020-03-10 22:30:30
115.72.16.174 attackspam
Mar 10 10:21:43 haigwepa sshd[23996]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.72.16.174 
Mar 10 10:21:46 haigwepa sshd[23996]: Failed password for invalid user dircreate from 115.72.16.174 port 54718 ssh2
...
2020-03-10 22:44:51
187.10.142.74 attackbotsspam
20/3/10@05:21:23: FAIL: Alarm-Telnet address from=187.10.142.74
...
2020-03-10 22:57:52

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