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:
IP Type Details Datetime
121.53.75.89 attackspam
Spam Timestamp : 07-Dec-19 07:50   BlockList Provider  combined abuse   (353)
2019-12-07 17:18:25
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.53.75.57
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35576
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.53.75.57.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 20:40:42 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 57.75.53.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 57.75.53.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.231.147.72 attackspam
port
2020-03-31 08:26:37
45.55.233.213 attack
SSH Authentication Attempts Exceeded
2020-03-31 08:15:10
45.133.99.8 attack
2020-03-31T01:17:44.303892l03.customhost.org.uk postfix/smtps/smtpd[30500]: warning: unknown[45.133.99.8]: SASL LOGIN authentication failed: authentication failure
2020-03-31T01:17:54.131879l03.customhost.org.uk postfix/smtps/smtpd[30500]: warning: unknown[45.133.99.8]: SASL LOGIN authentication failed: authentication failure
2020-03-31T01:25:36.943252l03.customhost.org.uk postfix/smtps/smtpd[32424]: warning: unknown[45.133.99.8]: SASL LOGIN authentication failed: authentication failure
2020-03-31T01:25:46.417632l03.customhost.org.uk postfix/smtps/smtpd[32424]: warning: unknown[45.133.99.8]: SASL LOGIN authentication failed: authentication failure
...
2020-03-31 08:29:49
120.70.100.13 attackspam
2020-03-31T00:30:14.865597librenms sshd[3424]: Failed password for root from 120.70.100.13 port 58760 ssh2
2020-03-31T00:32:44.583839librenms sshd[3465]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.100.13  user=root
2020-03-31T00:32:46.783623librenms sshd[3465]: Failed password for root from 120.70.100.13 port 49766 ssh2
...
2020-03-31 08:22:58
14.47.184.146 attackbots
Mar 31 03:28:53 gw1 sshd[25017]: Failed password for root from 14.47.184.146 port 55244 ssh2
Mar 31 03:33:03 gw1 sshd[25188]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.47.184.146
...
2020-03-31 08:11:17
159.65.83.68 attackbotsspam
Mar 31 01:44:50 srv-ubuntu-dev3 sshd[27826]: Invalid user user from 159.65.83.68
Mar 31 01:44:50 srv-ubuntu-dev3 sshd[27826]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.83.68
Mar 31 01:44:50 srv-ubuntu-dev3 sshd[27826]: Invalid user user from 159.65.83.68
Mar 31 01:44:52 srv-ubuntu-dev3 sshd[27826]: Failed password for invalid user user from 159.65.83.68 port 55018 ssh2
Mar 31 01:48:37 srv-ubuntu-dev3 sshd[28537]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.83.68  user=root
Mar 31 01:48:40 srv-ubuntu-dev3 sshd[28537]: Failed password for root from 159.65.83.68 port 40016 ssh2
Mar 31 01:52:24 srv-ubuntu-dev3 sshd[29136]: Invalid user mj from 159.65.83.68
Mar 31 01:52:24 srv-ubuntu-dev3 sshd[29136]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.83.68
Mar 31 01:52:24 srv-ubuntu-dev3 sshd[29136]: Invalid user mj from 159.65.83.68
Mar 31 01:
...
2020-03-31 08:16:45
112.119.175.114 attack
5555/tcp
[2020-03-30]1pkt
2020-03-31 07:51:53
47.180.212.134 attackspambots
Brute-force attempt banned
2020-03-31 08:09:26
162.144.81.85 attackspam
$f2bV_matches
2020-03-31 08:08:13
43.254.55.132 attackbotsspam
Scanned 1 times in the last 24 hours on port 22
2020-03-31 08:10:58
69.229.6.36 attack
[ssh] SSH attack
2020-03-31 08:06:48
45.146.231.240 spambotsattackproxy
HACK STEAM ACCOUNT
2020-03-31 08:27:07
94.102.49.168 attackspambots
Mar 31 01:47:41 debian-2gb-nbg1-2 kernel: \[7871116.843168\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=94.102.49.168 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=247 ID=25882 PROTO=TCP SPT=42606 DPT=42462 WINDOW=1024 RES=0x00 SYN URGP=0
2020-03-31 07:54:20
223.74.148.62 attack
Mar 31 01:32:51 www5 sshd\[45740\]: Invalid user redis from 223.74.148.62
Mar 31 01:32:51 www5 sshd\[45740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.74.148.62
Mar 31 01:32:53 www5 sshd\[45740\]: Failed password for invalid user redis from 223.74.148.62 port 48871 ssh2
...
2020-03-31 08:13:17
78.72.255.234 attack
20/3/30@19:25:22: FAIL: Alarm-Telnet address from=78.72.255.234
...
2020-03-31 08:01:59

Recently Reported IPs

67.233.255.54 15.1.116.190 42.173.193.176 168.174.73.40
156.207.52.12 25.140.143.190 251.154.186.14 55.21.86.160
216.119.90.195 74.143.224.171 84.147.195.0 177.162.93.153
34.58.221.106 68.192.234.157 198.150.251.247 40.244.126.179
24.190.27.122 57.75.175.20 206.41.125.182 26.188.152.243