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: Singapore

Region: Central Singapore Community Development Council

Country: Singapore

Internet Service Provider: StarHub Internet Pte Ltd

Hostname: unknown

Organization: StarHub Ltd

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attack
[ssh] SSH attack
2019-08-16 03:42:06
attackspambots
Triggered by Fail2Ban at Vostok web server
2019-08-13 20:30:27
attack
Automatic report - Banned IP Access
2019-08-10 13:09:59
attackbots
ssh failed login
2019-08-09 20:40:51
attackbots
Aug  6 03:33:57 v22018076622670303 sshd\[3907\]: Invalid user centos from 203.118.57.21 port 46548
Aug  6 03:33:57 v22018076622670303 sshd\[3907\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.118.57.21
Aug  6 03:33:59 v22018076622670303 sshd\[3907\]: Failed password for invalid user centos from 203.118.57.21 port 46548 ssh2
...
2019-08-06 12:25:59
attackspambots
Jul 23 21:41:11 mail sshd\[3721\]: Invalid user arc from 203.118.57.21 port 48018
Jul 23 21:41:11 mail sshd\[3721\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.118.57.21
...
2019-07-24 07:57:21
attack
Jul  5 20:59:08 jane sshd\[9867\]: Invalid user wangyi from 203.118.57.21 port 47236
Jul  5 20:59:08 jane sshd\[9867\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.118.57.21
Jul  5 20:59:10 jane sshd\[9867\]: Failed password for invalid user wangyi from 203.118.57.21 port 47236 ssh2
...
2019-07-06 03:29:16
attack
Jul  3 10:15:02 icinga sshd[27524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.118.57.21
Jul  3 10:15:04 icinga sshd[27524]: Failed password for invalid user wwwroot from 203.118.57.21 port 33868 ssh2
...
2019-07-03 17:53:20
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 203.118.57.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37129
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;203.118.57.21.			IN	A

;; AUTHORITY SECTION:
.			3075	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019040501 1800 900 604800 86400

;; Query time: 0 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Sat Apr 06 06:37:56 +08 2019
;; MSG SIZE  rcvd: 117

Host info
Host 21.57.118.203.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 21.57.118.203.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
204.93.169.220 attack
2020-08-14T05:47:50.938613vps773228.ovh.net sshd[15944]: Failed password for root from 204.93.169.220 port 45254 ssh2
2020-08-14T05:53:25.239297vps773228.ovh.net sshd[16016]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=204.93.169.220  user=root
2020-08-14T05:53:27.826445vps773228.ovh.net sshd[16016]: Failed password for root from 204.93.169.220 port 60718 ssh2
2020-08-14T05:59:15.712300vps773228.ovh.net sshd[16051]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=204.93.169.220  user=root
2020-08-14T05:59:17.679740vps773228.ovh.net sshd[16051]: Failed password for root from 204.93.169.220 port 48944 ssh2
...
2020-08-14 12:02:09
159.203.102.122 attackspambots
 TCP (SYN) 159.203.102.122:58584 -> port 7935, len 44
2020-08-14 08:46:12
122.51.94.92 attackspam
Aug 13 21:06:13 mockhub sshd[6476]: Failed password for root from 122.51.94.92 port 38552 ssh2
...
2020-08-14 12:25:29
106.13.226.34 attackbotsspam
Aug 14 06:05:08 rotator sshd\[28382\]: Failed password for root from 106.13.226.34 port 55428 ssh2Aug 14 06:06:35 rotator sshd\[29031\]: Failed password for root from 106.13.226.34 port 43860 ssh2Aug 14 06:07:54 rotator sshd\[29052\]: Failed password for root from 106.13.226.34 port 60520 ssh2Aug 14 06:09:17 rotator sshd\[29091\]: Failed password for root from 106.13.226.34 port 48950 ssh2Aug 14 06:10:40 rotator sshd\[29855\]: Failed password for root from 106.13.226.34 port 37378 ssh2Aug 14 06:12:06 rotator sshd\[29875\]: Failed password for root from 106.13.226.34 port 54042 ssh2
...
2020-08-14 12:27:56
187.190.109.221 attackbots
Aug 14 06:15:23 buvik sshd[20726]: Failed password for root from 187.190.109.221 port 50494 ssh2
Aug 14 06:18:36 buvik sshd[21113]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.190.109.221  user=root
Aug 14 06:18:38 buvik sshd[21113]: Failed password for root from 187.190.109.221 port 46118 ssh2
...
2020-08-14 12:22:33
112.85.42.200 attackspam
Multiple SSH login attempts.
2020-08-14 12:16:10
49.232.33.182 attack
Aug 14 01:03:48 vps1 sshd[10806]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.33.182  user=root
Aug 14 01:03:51 vps1 sshd[10806]: Failed password for invalid user root from 49.232.33.182 port 54376 ssh2
Aug 14 01:06:40 vps1 sshd[10830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.33.182  user=root
Aug 14 01:06:42 vps1 sshd[10830]: Failed password for invalid user root from 49.232.33.182 port 48768 ssh2
Aug 14 01:09:42 vps1 sshd[10909]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.33.182  user=root
Aug 14 01:09:44 vps1 sshd[10909]: Failed password for invalid user root from 49.232.33.182 port 43160 ssh2
...
2020-08-14 08:48:40
140.143.195.181 attack
Aug 13 19:35:24 ws22vmsma01 sshd[205829]: Failed password for root from 140.143.195.181 port 38332 ssh2
...
2020-08-14 08:42:09
83.48.89.147 attackspambots
Aug 13 17:53:40 web9 sshd\[11682\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.48.89.147  user=root
Aug 13 17:53:41 web9 sshd\[11682\]: Failed password for root from 83.48.89.147 port 39489 ssh2
Aug 13 17:58:04 web9 sshd\[12345\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.48.89.147  user=root
Aug 13 17:58:06 web9 sshd\[12345\]: Failed password for root from 83.48.89.147 port 47483 ssh2
Aug 13 18:02:03 web9 sshd\[12875\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.48.89.147  user=root
2020-08-14 12:06:42
117.44.24.215 attackbotsspam
FCKeditor/editor/filemanager/connectors/asp/connector.asp?Command=FileUpload&Type=File&CurrentFolder=%2F
2020-08-14 08:46:36
184.105.139.67 attack
Port scan: Attacks repeated for a month
2020-08-14 12:03:03
185.220.101.205 attackspam
2020-08-14T01:58:19.700221mail.broermann.family sshd[32613]: Failed password for root from 185.220.101.205 port 9018 ssh2
2020-08-14T01:58:21.894920mail.broermann.family sshd[32613]: Failed password for root from 185.220.101.205 port 9018 ssh2
2020-08-14T01:58:23.839570mail.broermann.family sshd[32613]: Failed password for root from 185.220.101.205 port 9018 ssh2
2020-08-14T01:58:26.579278mail.broermann.family sshd[32613]: Failed password for root from 185.220.101.205 port 9018 ssh2
2020-08-14T01:58:29.100474mail.broermann.family sshd[32613]: Failed password for root from 185.220.101.205 port 9018 ssh2
...
2020-08-14 08:46:53
125.74.28.28 attackbotsspam
SSH / Telnet Brute Force Attempts on Honeypot
2020-08-14 08:52:22
142.93.215.22 attackspam
Aug 14 05:53:35 nextcloud sshd\[27464\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.215.22  user=root
Aug 14 05:53:37 nextcloud sshd\[27464\]: Failed password for root from 142.93.215.22 port 57954 ssh2
Aug 14 05:58:06 nextcloud sshd\[31894\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.215.22  user=root
2020-08-14 12:24:44
113.185.77.87 attack
Port Scan
...
2020-08-14 12:05:52

Recently Reported IPs

205.185.114.232 91.225.123.3 13.125.54.13 114.168.161.244
86.108.19.20 104.158.4.246 54.196.223.0 185.53.88.144
177.134.135.191 196.0.113.90 113.229.66.106 40.92.11.22
24.47.175.5 88.248.164.176 187.218.54.228 188.38.240.45
37.252.86.205 2002:b9ea:d9cf::b9ea:d9cf 200.110.174.137 77.81.228.160