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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.191.199.56
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1191
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.191.199.56.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012101 1800 900 604800 86400

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Jan 22 02:40:57 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 56.199.191.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 56.199.191.121.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.136.9.253 attack
103.136.9.253 - - [04/Sep/2020:16:22:21 +0100] "POST /wp-login.php HTTP/1.1" 200 2046 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.136.9.253 - - [04/Sep/2020:16:22:23 +0100] "POST /wp-login.php HTTP/1.1" 200 2020 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
103.136.9.253 - - [04/Sep/2020:16:22:26 +0100] "POST /wp-login.php HTTP/1.1" 200 2019 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-09-05 03:30:53
122.224.237.234 attackspambots
Sep  4 17:28:52 gw1 sshd[17717]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.224.237.234
Sep  4 17:28:54 gw1 sshd[17717]: Failed password for invalid user qwt from 122.224.237.234 port 58187 ssh2
...
2020-09-05 03:06:32
179.95.39.41 attackbots
Honeypot attack, port: 445, PTR: 179.95.39.41.dynamic.adsl.gvt.net.br.
2020-09-05 03:38:58
106.54.133.103 attackspam
Invalid user prueba from 106.54.133.103 port 38544
2020-09-05 03:08:40
179.49.20.50 attackspambots
Invalid user dines from 179.49.20.50 port 33496
2020-09-05 03:37:15
45.160.180.241 attack
Sep  3 18:43:27 mellenthin postfix/smtpd[20267]: NOQUEUE: reject: RCPT from unknown[45.160.180.241]: 554 5.7.1 Service unavailable; Client host [45.160.180.241] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/45.160.180.241; from= to= proto=ESMTP helo=<241-180-160-45.conectnet.inf.br>
2020-09-05 03:42:50
61.7.240.185 attackbotsspam
2020-08-30 19:48:16,983 fail2ban.actions        [1312]: NOTICE  [sshd] Ban 61.7.240.185
2020-08-30 20:05:01,030 fail2ban.actions        [1312]: NOTICE  [sshd] Ban 61.7.240.185
2020-08-30 20:21:40,728 fail2ban.actions        [1312]: NOTICE  [sshd] Ban 61.7.240.185
2020-08-30 20:38:21,318 fail2ban.actions        [1312]: NOTICE  [sshd] Ban 61.7.240.185
2020-08-30 20:54:46,522 fail2ban.actions        [1312]: NOTICE  [sshd] Ban 61.7.240.185
...
2020-09-05 03:05:20
45.142.120.83 attackbotsspam
Sep  4 21:07:51 srv01 postfix/smtpd\[23188\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:07:53 srv01 postfix/smtpd\[12650\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:08:00 srv01 postfix/smtpd\[23188\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:08:20 srv01 postfix/smtpd\[23188\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:08:29 srv01 postfix/smtpd\[12650\]: warning: unknown\[45.142.120.83\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-05 03:10:46
116.212.131.90 attackspam
srvr3: (mod_security) mod_security (id:920350) triggered by 116.212.131.90 (AU/Australia/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/03 18:43:28 [error] 365944#0: *1946 [client 116.212.131.90] 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 "159915140894.207379"] [ref "o0,14v21,14"], client: 116.212.131.90, [redacted] request: "GET / HTTP/1.1" [redacted]
2020-09-05 03:39:55
193.33.240.91 attack
Sep  3 19:53:10 h2646465 sshd[6830]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.33.240.91  user=root
Sep  3 19:53:12 h2646465 sshd[6830]: Failed password for root from 193.33.240.91 port 46452 ssh2
Sep  3 20:05:19 h2646465 sshd[9079]: Invalid user user3 from 193.33.240.91
Sep  3 20:05:19 h2646465 sshd[9079]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.33.240.91
Sep  3 20:05:19 h2646465 sshd[9079]: Invalid user user3 from 193.33.240.91
Sep  3 20:05:21 h2646465 sshd[9079]: Failed password for invalid user user3 from 193.33.240.91 port 55803 ssh2
Sep  3 20:12:21 h2646465 sshd[9873]: Invalid user mona from 193.33.240.91
Sep  3 20:12:21 h2646465 sshd[9873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.33.240.91
Sep  3 20:12:21 h2646465 sshd[9873]: Invalid user mona from 193.33.240.91
Sep  3 20:12:23 h2646465 sshd[9873]: Failed password for invalid user mona from 193.33.240
2020-09-05 03:28:19
200.186.127.210 attackbots
Sep  4 16:44:51 lnxmail61 sshd[23906]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.186.127.210
2020-09-05 03:41:23
123.59.213.68 attack
2020-09-04T20:51:39.004538ks3355764 sshd[8340]: Invalid user minecraft from 123.59.213.68 port 47134
2020-09-04T20:51:40.830811ks3355764 sshd[8340]: Failed password for invalid user minecraft from 123.59.213.68 port 47134 ssh2
...
2020-09-05 03:29:15
113.140.80.174 attack
Invalid user ali from 113.140.80.174 port 40853
2020-09-05 03:42:37
142.93.122.161 attackspambots
142.93.122.161 - - [04/Sep/2020:19:08:15 +0000] "GET /wp-login.php HTTP/1.1" 403 154 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-09-05 03:39:19
45.142.120.49 attackspam
Sep  4 21:05:31 srv01 postfix/smtpd\[23814\]: warning: unknown\[45.142.120.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:05:44 srv01 postfix/smtpd\[19366\]: warning: unknown\[45.142.120.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:05:57 srv01 postfix/smtpd\[12650\]: warning: unknown\[45.142.120.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:05:57 srv01 postfix/smtpd\[23814\]: warning: unknown\[45.142.120.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  4 21:06:14 srv01 postfix/smtpd\[19366\]: warning: unknown\[45.142.120.49\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-05 03:12:47

Recently Reported IPs

44.217.246.191 66.109.85.37 249.10.248.107 200.234.72.133
161.133.178.219 59.32.108.6 6.12.173.134 129.160.43.48
81.99.231.177 208.1.223.168 67.212.114.249 222.1.147.77
23.3.181.209 60.140.50.89 122.69.238.45 232.96.170.124
110.245.247.77 242.255.142.109 97.42.212.100 155.73.184.159