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
180.76.179.77 attackspambots
Apr 11 22:16:46 legacy sshd[28764]: Failed password for root from 180.76.179.77 port 52066 ssh2
Apr 11 22:24:07 legacy sshd[28976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.179.77
Apr 11 22:24:09 legacy sshd[28976]: Failed password for invalid user admin from 180.76.179.77 port 50618 ssh2
...
2020-04-12 04:29:35
58.11.109.60 attackbotsspam
Automatic report - Port Scan Attack
2020-04-12 04:53:43
106.52.30.71 attackspam
Apr 11 14:08:13 pve sshd[25471]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.30.71 
Apr 11 14:08:14 pve sshd[25471]: Failed password for invalid user pnadmin from 106.52.30.71 port 53218 ssh2
Apr 11 14:11:02 pve sshd[30556]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.52.30.71
2020-04-12 04:53:30
128.199.110.226 attackspam
(sshd) Failed SSH login from 128.199.110.226 (SG/Singapore/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 11 16:50:50 amsweb01 sshd[16419]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.110.226  user=root
Apr 11 16:50:52 amsweb01 sshd[16419]: Failed password for root from 128.199.110.226 port 40820 ssh2
Apr 11 17:11:39 amsweb01 sshd[21825]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.110.226  user=root
Apr 11 17:11:42 amsweb01 sshd[21825]: Failed password for root from 128.199.110.226 port 43094 ssh2
Apr 11 17:23:45 amsweb01 sshd[24401]: Invalid user rdboden from 128.199.110.226 port 47781
2020-04-12 04:56:28
186.139.154.14 attack
Bruteforce detected by fail2ban
2020-04-12 04:45:16
45.224.105.110 attackspam
Autoban   45.224.105.110 AUTH/CONNECT
2020-04-12 04:33:28
218.92.0.171 attackspambots
Apr 11 22:57:30 server sshd[30877]: Failed none for root from 218.92.0.171 port 62508 ssh2
Apr 11 22:57:32 server sshd[30877]: Failed password for root from 218.92.0.171 port 62508 ssh2
Apr 11 22:57:35 server sshd[30877]: Failed password for root from 218.92.0.171 port 62508 ssh2
2020-04-12 05:01:10
198.98.53.133 attack
Apr 11 17:13:59 vmd48417 sshd[17713]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.98.53.133
2020-04-12 04:41:52
183.98.215.91 attackbotsspam
Apr 11 21:13:10 srv01 sshd[32385]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.98.215.91  user=root
Apr 11 21:13:12 srv01 sshd[32385]: Failed password for root from 183.98.215.91 port 53582 ssh2
Apr 11 21:18:55 srv01 sshd[32614]: Invalid user web from 183.98.215.91 port 33396
Apr 11 21:18:55 srv01 sshd[32614]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.98.215.91
Apr 11 21:18:55 srv01 sshd[32614]: Invalid user web from 183.98.215.91 port 33396
Apr 11 21:18:57 srv01 sshd[32614]: Failed password for invalid user web from 183.98.215.91 port 33396 ssh2
...
2020-04-12 04:49:51
84.237.254.148 attack
Telnet/23 MH Probe, Scan, BF, Hack -
2020-04-12 04:34:10
35.214.249.213 attack
xmlrpc attack
2020-04-12 04:29:22
85.214.66.157 attack
Apr 11 21:42:07 debian-2gb-nbg1-2 kernel: \[8893129.116318\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=85.214.66.157 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=17374 PROTO=TCP SPT=56279 DPT=43389 WINDOW=1024 RES=0x00 SYN URGP=0
2020-04-12 04:57:00
14.225.17.9 attackspam
Fail2Ban Ban Triggered (2)
2020-04-12 04:41:29
188.3.100.117 attackspam
Automatic report - Port Scan Attack
2020-04-12 05:02:33
62.170.143.251 attack
Automatic report - Port Scan Attack
2020-04-12 04:59:33

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