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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.55.104.23
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44445
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.55.104.23.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022200 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 22 23:46:43 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 23.104.55.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 23.104.55.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.200.207.182 attack
Jun 22 14:44:43 piServer sshd[3712]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.200.207.182 
Jun 22 14:44:46 piServer sshd[3712]: Failed password for invalid user zqm from 106.200.207.182 port 41798 ssh2
Jun 22 14:48:51 piServer sshd[4074]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.200.207.182 
...
2020-06-23 04:20:32
51.255.168.254 attack
Jun 22 22:37:18 tuxlinux sshd[61688]: Invalid user andrii from 51.255.168.254 port 60470
Jun 22 22:37:18 tuxlinux sshd[61688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.168.254 
Jun 22 22:37:18 tuxlinux sshd[61688]: Invalid user andrii from 51.255.168.254 port 60470
Jun 22 22:37:18 tuxlinux sshd[61688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.168.254 
Jun 22 22:37:18 tuxlinux sshd[61688]: Invalid user andrii from 51.255.168.254 port 60470
Jun 22 22:37:18 tuxlinux sshd[61688]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.168.254 
Jun 22 22:37:20 tuxlinux sshd[61688]: Failed password for invalid user andrii from 51.255.168.254 port 60470 ssh2
...
2020-06-23 04:40:09
95.47.238.87 attack
Automatic report - Port Scan Attack
2020-06-23 04:12:36
202.29.80.133 attackspambots
Banned for a week because repeated abuses, for example SSH, but not only
2020-06-23 04:27:10
41.32.187.131 attackbots
1433/tcp 445/tcp...
[2020-05-07/06-22]9pkt,2pt.(tcp)
2020-06-23 04:39:50
106.12.13.185 attackspambots
11552/tcp
[2020-06-22]1pkt
2020-06-23 04:20:50
94.15.36.189 attackbotsspam
Unauthorized connection attempt detected from IP address 94.15.36.189 to port 88
2020-06-23 04:38:32
47.94.148.130 attackbotsspam
20 attempts against mh-ssh on water
2020-06-23 04:02:44
190.205.111.122 attackbots
IP was detected trying to Brute-Force SSH, FTP, Web Apps, Port-Scan or Hacking.
2020-06-23 04:04:46
187.115.239.243 attackspambots
Unauthorized connection attempt from IP address 187.115.239.243 on Port 445(SMB)
2020-06-23 04:20:03
102.177.194.100 attackbots
SCAN: Host Sweep CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2020-06-23 04:32:20
137.74.132.175 attack
Jun 22 20:36:21 ns382633 sshd\[30910\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.132.175  user=root
Jun 22 20:36:23 ns382633 sshd\[30910\]: Failed password for root from 137.74.132.175 port 34406 ssh2
Jun 22 20:43:34 ns382633 sshd\[32109\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.132.175  user=root
Jun 22 20:43:37 ns382633 sshd\[32109\]: Failed password for root from 137.74.132.175 port 49910 ssh2
Jun 22 20:46:38 ns382633 sshd\[341\]: Invalid user admin from 137.74.132.175 port 50566
Jun 22 20:46:38 ns382633 sshd\[341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.132.175
2020-06-23 04:11:20
200.105.161.98 attackspambots
Jun 22 17:27:54 scw-6657dc sshd[6165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.105.161.98
Jun 22 17:27:54 scw-6657dc sshd[6165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.105.161.98
Jun 22 17:27:56 scw-6657dc sshd[6165]: Failed password for invalid user admin from 200.105.161.98 port 45263 ssh2
...
2020-06-23 04:06:26
182.160.124.206 attackspam
06/22/2020-08:00:45.275997 182.160.124.206 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-06-23 04:18:07
77.247.181.162 attackspambots
Unauthorized connection attempt detected from IP address 77.247.181.162 to port 8080
2020-06-23 04:05:53

Recently Reported IPs

123.110.234.214 86.209.63.132 198.174.67.11 185.75.140.107
187.114.34.50 202.211.238.93 172.87.174.143 192.92.250.123
215.27.246.73 55.223.161.231 104.16.184.230 209.14.177.137
107.21.102.76 41.25.93.44 211.219.160.86 84.132.170.234
190.179.247.107 217.71.182.142 7.231.208.81 32.121.146.130