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 <<>> 121.131.57.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 43190
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.131.57.55.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012101 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 22 06:34:49 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 55.57.131.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.57.131.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
31.154.34.38 attackspambots
Unauthorized connection attempt from IP address 31.154.34.38 on Port 445(SMB)
2019-10-10 01:47:06
31.148.120.161 attackspambots
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/31.148.120.161/ 
 RU - 1H : (177)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : RU 
 NAME ASN : ASN60165 
 
 IP : 31.148.120.161 
 
 CIDR : 31.148.120.0/24 
 
 PREFIX COUNT : 8 
 
 UNIQUE IP COUNT : 2048 
 
 
 WYKRYTE ATAKI Z ASN60165 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-09 13:31:54 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-10 01:34:31
23.129.64.169 attackbotsspam
2019-10-09T17:42:24.891308abusebot.cloudsearch.cf sshd\[25420\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.129.64.169  user=root
2019-10-10 01:47:24
194.44.243.186 attack
proto=tcp  .  spt=49730  .  dpt=25  .     (Listed on    truncate-gbudb also unsubscore and rbldns-ru)     (705)
2019-10-10 01:48:51
106.13.39.248 attack
Oct  9 13:56:39 OPSO sshd\[25759\]: Invalid user Alpine2016 from 106.13.39.248 port 56260
Oct  9 13:56:39 OPSO sshd\[25759\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.39.248
Oct  9 13:56:42 OPSO sshd\[25759\]: Failed password for invalid user Alpine2016 from 106.13.39.248 port 56260 ssh2
Oct  9 14:00:12 OPSO sshd\[26332\]: Invalid user Russia123 from 106.13.39.248 port 53580
Oct  9 14:00:12 OPSO sshd\[26332\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.39.248
2019-10-10 01:35:29
92.50.249.166 attack
Oct  9 07:39:23 kapalua sshd\[31241\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.50.249.166  user=root
Oct  9 07:39:25 kapalua sshd\[31241\]: Failed password for root from 92.50.249.166 port 52552 ssh2
Oct  9 07:43:33 kapalua sshd\[31681\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.50.249.166  user=root
Oct  9 07:43:35 kapalua sshd\[31681\]: Failed password for root from 92.50.249.166 port 35242 ssh2
Oct  9 07:47:50 kapalua sshd\[32084\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=92.50.249.166  user=root
2019-10-10 01:55:02
43.229.89.31 attackspambots
Unauthorized connection attempt from IP address 43.229.89.31 on Port 445(SMB)
2019-10-10 01:51:49
207.46.13.66 attackbots
Automatic report - Banned IP Access
2019-10-10 01:30:40
80.240.249.177 attack
Unauthorized connection attempt from IP address 80.240.249.177 on Port 445(SMB)
2019-10-10 01:44:06
183.82.81.199 attackspam
Unauthorized connection attempt from IP address 183.82.81.199 on Port 445(SMB)
2019-10-10 01:36:00
45.80.64.223 attackspambots
2019-10-09T12:03:02.136657abusebot-8.cloudsearch.cf sshd\[27423\]: Invalid user P4ssw0rt123 from 45.80.64.223 port 36160
2019-10-10 01:39:16
77.222.113.115 attack
Unauthorized connection attempt from IP address 77.222.113.115 on Port 445(SMB)
2019-10-10 01:53:37
216.177.216.78 attackspam
Unauthorized connection attempt from IP address 216.177.216.78 on Port 445(SMB)
2019-10-10 01:40:42
123.16.207.141 attackspambots
Unauthorized connection attempt from IP address 123.16.207.141 on Port 445(SMB)
2019-10-10 02:03:26
103.250.36.113 attack
2019-10-09T11:31:37.871801abusebot-5.cloudsearch.cf sshd\[16981\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.250.36.113  user=root
2019-10-10 01:47:41

Recently Reported IPs

34.120.65.184 89.13.84.40 162.141.63.95 100.31.56.1
58.60.231.129 85.141.162.58 87.189.125.186 227.247.49.125
165.212.29.183 209.203.143.193 238.2.247.229 212.79.217.10
135.100.19.112 164.248.181.3 99.5.54.152 247.163.123.157
77.66.86.96 205.170.189.42 16.2.207.5 92.251.246.2