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 (the 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 <<>> 121.133.66.137
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 21325
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.133.66.137.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021301 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 14 13:32:18 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 137.66.133.121.in-addr.arpa not found: 5(REFUSED)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 137.66.133.121.in-addr.arpa: REFUSED
Related IP info:
Related comments:
IP Type Details Datetime
183.62.101.90 attack
SSH bruteforce
2020-08-12 19:47:44
222.186.175.182 attackspam
Aug 12 13:29:36 cosmoit sshd[4730]: Failed password for root from 222.186.175.182 port 53374 ssh2
2020-08-12 19:32:24
101.109.253.54 attack
Unauthorized connection attempt from IP address 101.109.253.54 on Port 445(SMB)
2020-08-12 19:48:41
36.77.200.5 attack
Attempted connection to port 445.
2020-08-12 19:59:04
122.51.251.253 attackspambots
Failed password for root from 122.51.251.253 port 40386 ssh2
2020-08-12 19:44:43
118.69.246.137 attack
Unauthorized connection attempt from IP address 118.69.246.137 on Port 445(SMB)
2020-08-12 20:13:09
111.231.71.157 attackbotsspam
Bruteforce detected by fail2ban
2020-08-12 19:42:26
190.205.60.226 attackbots
Unauthorized connection attempt from IP address 190.205.60.226 on Port 445(SMB)
2020-08-12 19:40:27
49.145.203.172 attack
Unauthorized connection attempt from IP address 49.145.203.172 on Port 445(SMB)
2020-08-12 19:37:54
119.46.13.202 attackspambots
Unauthorized connection attempt from IP address 119.46.13.202 on Port 445(SMB)
2020-08-12 19:58:01
123.232.185.83 attackbotsspam
 TCP (SYN) 123.232.185.83:9960 -> port 23, len 44
2020-08-12 19:57:37
122.156.219.195 attack
port scan and connect, tcp 1433 (ms-sql-s)
2020-08-12 19:31:07
189.204.140.69 attack
Unauthorized connection attempt from IP address 189.204.140.69 on Port 445(SMB)
2020-08-12 19:44:56
186.89.27.136 attack
Attempted connection to port 445.
2020-08-12 20:00:44
58.234.45.190 attackspambots
Aug 12 12:00:42 inter-technics sshd[28011]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.234.45.190  user=root
Aug 12 12:00:44 inter-technics sshd[28011]: Failed password for root from 58.234.45.190 port 46269 ssh2
Aug 12 12:04:34 inter-technics sshd[28159]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.234.45.190  user=root
Aug 12 12:04:36 inter-technics sshd[28159]: Failed password for root from 58.234.45.190 port 48196 ssh2
Aug 12 12:08:29 inter-technics sshd[28476]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.234.45.190  user=root
Aug 12 12:08:31 inter-technics sshd[28476]: Failed password for root from 58.234.45.190 port 21971 ssh2
...
2020-08-12 19:31:20

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