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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.144.209.55
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13995
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.144.209.55.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021800 1800 900 604800 86400

;; Query time: 38 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 22:18:51 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 55.209.144.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 55.209.144.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
187.87.39.147 attackbotsspam
Nov 25 21:55:54 pornomens sshd\[574\]: Invalid user ts2 from 187.87.39.147 port 34106
Nov 25 21:55:54 pornomens sshd\[574\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.87.39.147
Nov 25 21:55:57 pornomens sshd\[574\]: Failed password for invalid user ts2 from 187.87.39.147 port 34106 ssh2
...
2019-11-26 06:35:19
218.92.0.161 attack
Nov 25 23:08:24 vps666546 sshd\[8241\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.161  user=root
Nov 25 23:08:26 vps666546 sshd\[8241\]: Failed password for root from 218.92.0.161 port 4611 ssh2
Nov 25 23:08:29 vps666546 sshd\[8241\]: Failed password for root from 218.92.0.161 port 4611 ssh2
Nov 25 23:08:32 vps666546 sshd\[8241\]: Failed password for root from 218.92.0.161 port 4611 ssh2
Nov 25 23:08:35 vps666546 sshd\[8241\]: Failed password for root from 218.92.0.161 port 4611 ssh2
...
2019-11-26 06:15:31
187.188.182.87 attackspam
Automatic report - XMLRPC Attack
2019-11-26 06:13:17
122.183.181.245 attackspambots
Unauthorized connection attempt from IP address 122.183.181.245 on Port 445(SMB)
2019-11-26 06:16:37
185.162.235.110 attackbotsspam
Port probe, failed login and relay attempts SMTP:25.
IP blocked.
2019-11-26 06:14:58
106.51.230.186 attack
2019-11-25T18:07:25.118487abusebot.cloudsearch.cf sshd\[16814\]: Invalid user ident from 106.51.230.186 port 53616
2019-11-26 06:35:02
104.37.175.236 attackspambots
\[2019-11-25 17:30:13\] NOTICE\[2754\] chan_sip.c: Registration from '\' failed for '104.37.175.236:58122' - Wrong password
\[2019-11-25 17:30:13\] SECURITY\[2765\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-25T17:30:13.970-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="6770",SessionID="0x7f26c452fc98",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/104.37.175.236/58122",Challenge="1bdc357c",ReceivedChallenge="1bdc357c",ReceivedHash="5f3e41616736060beb88356384fc77ac"
\[2019-11-25 17:30:30\] NOTICE\[2754\] chan_sip.c: Registration from '\' failed for '104.37.175.236:61904' - Wrong password
\[2019-11-25 17:30:30\] SECURITY\[2765\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-11-25T17:30:30.468-0500",Severity="Error",Service="SIP",EventVersion="2",AccountID="1000",SessionID="0x7f26c4b4fc78",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/104.37
2019-11-26 06:34:04
163.53.75.237 attackspam
Unauthorized connection attempt from IP address 163.53.75.237 on Port 445(SMB)
2019-11-26 06:02:07
203.189.206.109 attack
Nov 25 15:30:29 serwer sshd\[32025\]: Invalid user ubuntu from 203.189.206.109 port 54324
Nov 25 15:30:29 serwer sshd\[32025\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.189.206.109
Nov 25 15:30:31 serwer sshd\[32025\]: Failed password for invalid user ubuntu from 203.189.206.109 port 54324 ssh2
...
2019-11-26 05:58:44
149.56.89.123 attackspam
Nov 25 13:56:22 Horstpolice sshd[17507]: Invalid user majury from 149.56.89.123 port 37153
Nov 25 13:56:22 Horstpolice sshd[17507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=149.56.89.123
Nov 25 13:56:23 Horstpolice sshd[17507]: Failed password for invalid user majury from 149.56.89.123 port 37153 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=149.56.89.123
2019-11-26 06:24:24
158.69.222.2 attackspambots
Nov 25 18:19:10 serwer sshd\[21893\]: Invalid user virenchee from 158.69.222.2 port 58240
Nov 25 18:19:10 serwer sshd\[21893\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.69.222.2
Nov 25 18:19:13 serwer sshd\[21893\]: Failed password for invalid user virenchee from 158.69.222.2 port 58240 ssh2
...
2019-11-26 06:15:15
185.176.27.46 attack
11/25/2019-22:25:56.915428 185.176.27.46 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-11-26 06:16:23
140.249.22.238 attackbots
Nov 25 16:21:27 Tower sshd[13261]: Connection from 140.249.22.238 port 56798 on 192.168.10.220 port 22
Nov 25 16:21:28 Tower sshd[13261]: Failed password for root from 140.249.22.238 port 56798 ssh2
Nov 25 16:21:28 Tower sshd[13261]: Received disconnect from 140.249.22.238 port 56798:11: Bye Bye [preauth]
Nov 25 16:21:28 Tower sshd[13261]: Disconnected from authenticating user root 140.249.22.238 port 56798 [preauth]
2019-11-26 06:34:48
92.118.37.95 attackbotsspam
Fail2Ban Ban Triggered
2019-11-26 06:11:56
129.204.23.233 attack
Nov 25 17:43:05 *** sshd[7888]: Invalid user www from 129.204.23.233
2019-11-26 06:18:19

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