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: Australia

Internet Service Provider: Telstra Internet

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackspambots
Jun 16 15:40:02 h1745522 sshd[15800]: Invalid user yuzhen from 203.54.221.218 port 46348
Jun 16 15:40:02 h1745522 sshd[15800]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.54.221.218
Jun 16 15:40:02 h1745522 sshd[15800]: Invalid user yuzhen from 203.54.221.218 port 46348
Jun 16 15:40:03 h1745522 sshd[15800]: Failed password for invalid user yuzhen from 203.54.221.218 port 46348 ssh2
Jun 16 15:44:46 h1745522 sshd[16026]: Invalid user test from 203.54.221.218 port 46980
Jun 16 15:44:46 h1745522 sshd[16026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.54.221.218
Jun 16 15:44:46 h1745522 sshd[16026]: Invalid user test from 203.54.221.218 port 46980
Jun 16 15:44:48 h1745522 sshd[16026]: Failed password for invalid user test from 203.54.221.218 port 46980 ssh2
Jun 16 15:49:28 h1745522 sshd[16228]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.54.221.218
...
2020-06-16 23:21:18
attack
Lines containing failures of 203.54.221.218
Jun 12 12:51:44 shared04 sshd[10923]: Invalid user smmsp from 203.54.221.218 port 35390
Jun 12 12:51:44 shared04 sshd[10923]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.54.221.218
Jun 12 12:51:46 shared04 sshd[10923]: Failed password for invalid user smmsp from 203.54.221.218 port 35390 ssh2
Jun 12 12:51:46 shared04 sshd[10923]: Received disconnect from 203.54.221.218 port 35390:11: Bye Bye [preauth]
Jun 12 12:51:46 shared04 sshd[10923]: Disconnected from invalid user smmsp 203.54.221.218 port 35390 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=203.54.221.218
2020-06-13 23:50:39
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 203.54.221.218
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33497
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			225	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020061300 1800 900 604800 86400

;; Query time: 115 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Jun 13 23:50:33 CST 2020
;; MSG SIZE  rcvd: 118
Host info
218.221.54.203.in-addr.arpa domain name pointer tel3402069.lnk.telstra.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
218.221.54.203.in-addr.arpa	name = tel3402069.lnk.telstra.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
202.83.27.171 attack
Unauthorized connection attempt from IP address 202.83.27.171 on Port 445(SMB)
2019-11-01 02:18:50
211.230.194.99 attackspambots
firewall-block, port(s): 2323/tcp
2019-11-01 02:24:44
103.218.2.137 attackspam
2019-10-31T18:02:22.753700abusebot-7.cloudsearch.cf sshd\[22548\]: Invalid user ftpuser from 103.218.2.137 port 51395
2019-11-01 02:20:34
27.2.225.26 attack
Unauthorized connection attempt from IP address 27.2.225.26 on Port 445(SMB)
2019-11-01 02:07:30
223.29.198.156 attackbotsspam
Unauthorized connection attempt from IP address 223.29.198.156 on Port 445(SMB)
2019-11-01 02:21:35
1.163.136.138 attackbotsspam
Unauthorized connection attempt from IP address 1.163.136.138 on Port 445(SMB)
2019-11-01 02:38:28
196.1.194.190 attack
Unauthorized connection attempt from IP address 196.1.194.190 on Port 445(SMB)
2019-11-01 02:25:02
124.156.50.145 attackspam
" "
2019-11-01 02:04:13
190.55.60.90 attackbots
Unauthorized connection attempt from IP address 190.55.60.90 on Port 445(SMB)
2019-11-01 02:02:36
187.111.23.14 attack
Oct 31 05:38:51 eddieflores sshd\[14863\]: Invalid user qwerty from 187.111.23.14
Oct 31 05:38:51 eddieflores sshd\[14863\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=mvx-187-111-23-14.mundivox.com
Oct 31 05:38:53 eddieflores sshd\[14863\]: Failed password for invalid user qwerty from 187.111.23.14 port 45028 ssh2
Oct 31 05:43:52 eddieflores sshd\[15320\]: Invalid user februari from 187.111.23.14
Oct 31 05:43:52 eddieflores sshd\[15320\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=mvx-187-111-23-14.mundivox.com
2019-11-01 02:05:19
180.106.242.254 attackbotsspam
Automatic report - Port Scan Attack
2019-11-01 02:29:43
76.102.119.124 attack
Oct 31 19:00:19 vmanager6029 sshd\[20250\]: Invalid user payments from 76.102.119.124 port 50658
Oct 31 19:00:19 vmanager6029 sshd\[20250\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=76.102.119.124
Oct 31 19:00:21 vmanager6029 sshd\[20250\]: Failed password for invalid user payments from 76.102.119.124 port 50658 ssh2
2019-11-01 02:06:20
63.80.184.88 attackbotsspam
2019-10-31T13:00:13.165033stark.klein-stark.info postfix/smtpd\[3015\]: NOQUEUE: reject: RCPT from cure.sapuxfiori.com\[63.80.184.88\]: 554 5.7.1 \: Relay access denied\; from=\ to=\ proto=ESMTP helo=\
...
2019-11-01 02:31:30
99.229.154.83 attackbots
port scan and connect, tcp 23 (telnet)
2019-11-01 02:16:30
91.232.230.139 attackspam
DDOS attack
2019-11-01 02:05:56

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