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: Yongin-si

Region: Gyeonggi-do

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:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.136.243.157
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60812
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.136.243.157.		IN	A

;; AUTHORITY SECTION:
.			540	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022071302 1800 900 604800 86400

;; Query time: 112 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jul 14 07:19:11 CST 2022
;; MSG SIZE  rcvd: 108
Host info
Host 157.243.136.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 157.243.136.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.91.108.98 attackbots
Jun 19 19:54:15 mout sshd[7603]: Invalid user kost from 51.91.108.98 port 39178
2020-06-20 02:02:26
104.42.76.121 attackspambots
Jun 19 12:19:44 django-0 sshd[14825]: Invalid user xxs from 104.42.76.121
...
2020-06-20 02:23:05
106.12.84.29 attackspam
Jun 19 19:38:13  sshd\[26034\]: Invalid user adminuser from 106.12.84.29Jun 19 19:38:14  sshd\[26034\]: Failed password for invalid user adminuser from 106.12.84.29 port 53034 ssh2
...
2020-06-20 01:45:01
167.71.216.37 attack
167.71.216.37 - - [19/Jun/2020:14:31:09 +0200] "GET /wp-login.php HTTP/1.1" 200 2010 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.216.37 - - [19/Jun/2020:14:31:11 +0200] "POST /wp-login.php HTTP/1.1" 200 2143 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.216.37 - - [19/Jun/2020:14:31:12 +0200] "GET /wp-login.php HTTP/1.1" 200 2010 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.216.37 - - [19/Jun/2020:14:31:13 +0200] "POST /wp-login.php HTTP/1.1" 200 2144 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.216.37 - - [19/Jun/2020:14:31:14 +0200] "GET /wp-login.php HTTP/1.1" 200 2010 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.216.37 - - [19/Jun/2020:14:31:17 +0200] "POST /wp-login.php HTTP/1.1" 200 2144 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Fir
...
2020-06-20 02:08:46
177.87.146.48 attack
(smtpauth) Failed SMTP AUTH login from 177.87.146.48 (BR/Brazil/177-87-146-48.sistemamega.net.br): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-06-19 16:43:21 plain authenticator failed for 177-87-146-48.sistemamega.net.br [177.87.146.48]: 535 Incorrect authentication data (set_id=qc@rahapharm.com)
2020-06-20 01:59:25
41.221.194.223 attack
DoS attack
2020-06-20 02:25:27
162.241.200.235 attack
162.241.200.235 - - [19/Jun/2020:14:26:41 +0200] "GET /wp-login.php HTTP/1.1" 200 5738 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
162.241.200.235 - - [19/Jun/2020:14:26:43 +0200] "POST /wp-login.php HTTP/1.1" 200 5989 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
162.241.200.235 - - [19/Jun/2020:14:26:45 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-06-20 02:19:35
104.168.159.80 attack
Hits on port : 5900
2020-06-20 02:24:24
168.227.111.104 attackspam
xmlrpc attack
2020-06-20 01:50:13
45.95.168.210 attackspam
none
2020-06-20 02:16:21
118.126.98.159 attackspam
"Unauthorized connection attempt on SSHD detected"
2020-06-20 02:06:05
217.141.152.174 attackspam
2020-06-19T14:44:22.504722n23.at sshd[1378471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.141.152.174
2020-06-19T14:44:22.496503n23.at sshd[1378471]: Invalid user usuario from 217.141.152.174 port 37022
2020-06-19T14:44:24.118275n23.at sshd[1378471]: Failed password for invalid user usuario from 217.141.152.174 port 37022 ssh2
...
2020-06-20 02:02:44
157.47.12.218 attackbotsspam
Automatic report - Port Scan Attack
2020-06-20 01:59:52
117.103.84.102 attack
Brute force against mail service (dovecot)
2020-06-20 01:57:15
188.254.0.197 attack
Jun 19 16:09:27 XXX sshd[52993]: Invalid user sshuser from 188.254.0.197 port 49414
2020-06-20 01:47:11

Recently Reported IPs

183.157.67.243 213.114.216.174 112.119.46.15 121.146.129.89
69.51.216.21 121.130.211.224 108.83.155.168 119.178.243.187
112.245.235.108 109.206.247.216 83.39.182.23 1.226.146.224
78.186.111.194 40.81.202.21 27.29.33.91 220.135.26.2
61.84.81.87 189.244.80.16 14.50.174.251 115.56.138.56