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: Mapo-gu

Region: Seoul Special City

Country: South Korea

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 <<>> 121.131.253.34
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 37
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.131.253.34.			IN	A

;; AUTHORITY SECTION:
.			495	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2023060602 1800 900 604800 86400

;; Query time: 117 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jun 07 10:56:38 CST 2023
;; MSG SIZE  rcvd: 107
Host info
Host 34.253.131.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 34.253.131.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.142.120.83 attackspambots
Sep  7 13:42:45 relay postfix/smtpd\[26277\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  7 13:43:24 relay postfix/smtpd\[26277\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  7 13:44:06 relay postfix/smtpd\[31833\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  7 13:44:50 relay postfix/smtpd\[30772\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  7 13:45:29 relay postfix/smtpd\[26279\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-07 19:51:16
139.162.116.133 attackspam
srvr2: (mod_security) mod_security (id:920350) triggered by 139.162.116.133 (JP/-/scan-66.security.ipip.net): 1 in the last 600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/06 18:45:21 [error] 75202#0: *153186 [client 139.162.116.133] ModSecurity: Access denied with code 406 (phase 2). Matched "Operator `Rx' with parameter `^[\d.:]+$' against variable `REQUEST_HEADERS:Host'  [redacted] [file "/etc/modsecurity.d/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "718"] [id "920350"] [rev ""] [msg "Host header is a numeric IP address"] [redacted] [severity "4"] [ver "OWASP_CRS/3.3.0"] [maturity "0"] [accuracy "0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "paranoia-level/1"] [tag "OWASP_CRS"] [tag "capec/1000/210/272"] [tag "PCI/6.5.10"] [redacted] [uri "/"] [unique_id "159941072171.478932"] [ref "o0,14v21,14"], client: 139.162.116.133, [redacted] request: "GET / HTTP/1.1" [redacted]
2020-09-07 20:06:17
187.233.216.104 attack
1599414065 - 09/06/2020 19:41:05 Host: 187.233.216.104/187.233.216.104 Port: 445 TCP Blocked
2020-09-07 19:55:19
104.233.163.240 attackbotsspam
Attempted connection to port 445.
2020-09-07 19:56:41
43.242.242.101 attackbotsspam
Unauthorized connection attempt from IP address 43.242.242.101 on Port 445(SMB)
2020-09-07 19:51:47
118.242.26.98 attackspambots
Unauthorized connection attempt from IP address 118.242.26.98 on Port 445(SMB)
2020-09-07 20:02:29
61.153.71.98 attackspambots
Unauthorized connection attempt from IP address 61.153.71.98 on Port 445(SMB)
2020-09-07 20:03:20
186.151.204.251 attackbotsspam
Unauthorized connection attempt from IP address 186.151.204.251 on Port 445(SMB)
2020-09-07 19:47:04
103.100.173.154 attackbotsspam
Attempted connection to port 445.
2020-09-07 19:58:37
185.220.101.146 attackbotsspam
SSH brutforce
2020-09-07 20:20:39
46.161.120.217 attack
Honeypot attack, port: 445, PTR: adsl-46-161-120217.crnagora.net.
2020-09-07 20:00:07
103.78.122.171 attack
Attempted connection to port 56422.
2020-09-07 19:57:07
185.220.102.242 attackbots
IP blocked
2020-09-07 20:13:48
73.225.186.30 attackspam
SSH login attempts.
2020-09-07 19:41:48
189.1.132.75 attackspambots
Sep  7 13:43:42 ns37 sshd[18171]: Failed password for root from 189.1.132.75 port 39936 ssh2
Sep  7 13:43:42 ns37 sshd[18171]: Failed password for root from 189.1.132.75 port 39936 ssh2
2020-09-07 20:15:38

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