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 <<>> 49.172.21.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 53381
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;49.172.21.242.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021701 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 04:47:39 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 242.21.172.49.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 242.21.172.49.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.231.75.34 attack
Sep 11 18:09:27 mail.srvfarm.net postfix/smtps/smtpd[3875238]: warning: unknown[46.231.75.34]: SASL PLAIN authentication failed: 
Sep 11 18:09:27 mail.srvfarm.net postfix/smtps/smtpd[3875238]: lost connection after AUTH from unknown[46.231.75.34]
Sep 11 18:13:38 mail.srvfarm.net postfix/smtps/smtpd[3877305]: warning: unknown[46.231.75.34]: SASL PLAIN authentication failed: 
Sep 11 18:13:38 mail.srvfarm.net postfix/smtps/smtpd[3877305]: lost connection after AUTH from unknown[46.231.75.34]
Sep 11 18:17:58 mail.srvfarm.net postfix/smtpd[3892287]: warning: unknown[46.231.75.34]: SASL PLAIN authentication failed:
2020-09-13 01:45:16
94.72.20.206 attackspam
Attempted Brute Force (dovecot)
2020-09-13 02:01:17
58.57.4.238 attack
(smtpauth) Failed SMTP AUTH login from 58.57.4.238 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-09-12 13:18:19 dovecot_login authenticator failed for (hoteldelsolinn.net) [58.57.4.238]:55547: 535 Incorrect authentication data (set_id=nologin)
2020-09-12 13:19:03 dovecot_login authenticator failed for (hoteldelsolinn.net) [58.57.4.238]:58270: 535 Incorrect authentication data (set_id=service@hoteldelsolinn.net)
2020-09-12 13:19:26 dovecot_login authenticator failed for (hoteldelsolinn.net) [58.57.4.238]:59762: 535 Incorrect authentication data (set_id=service)
2020-09-12 13:46:13 dovecot_login authenticator failed for (adoptionsrosarito-tijuana.com) [58.57.4.238]:45462: 535 Incorrect authentication data (set_id=nologin)
2020-09-12 13:46:37 dovecot_login authenticator failed for (adoptionsrosarito-tijuana.com) [58.57.4.238]:47162: 535 Incorrect authentication data (set_id=service@adoptionsrosarito-tijuana.com)
2020-09-13 02:08:26
182.186.217.73 attack
Web app attack attempts, scanning for vulnerability.
Date: 2020 Sep 11. 17:32:16
Source IP: 182.186.217.73

Portion of the log(s):
182.186.217.73 - [11/Sep/2020:17:32:06 +0200] "GET /xmlrpc.php HTTP/1.1" 405 53 "-" "Mozilla/5.0 (Windows NT 5.1) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/35.0.3319.102 Safari/537.36"
182.186.217.73 - [11/Sep/2020:17:32:08 +0200] "GET /wordpress/xmlrpc.php HTTP/1.1" 404
182.186.217.73 - [11/Sep/2020:17:32:09 +0200] "GET /blog/xmlrpc.php HTTP/1.1" 404
182.186.217.73 - [11/Sep/2020:17:32:11 +0200] "GET /phpMyAdmin/index.php HTTP/1.1" 404
182.186.217.73 - [11/Sep/2020:17:32:13 +0200] "GET /pma/index.php HTTP/1.1" 404
182.186.217.73 - [11/Sep/2020:17:32:14 +0200] "GET /phpmyadmin/index.php HTTP/1.1" 404
2020-09-13 02:05:49
112.85.42.180 attackbotsspam
Sep 12 20:04:22 melroy-server sshd[31254]: Failed password for root from 112.85.42.180 port 25703 ssh2
Sep 12 20:04:25 melroy-server sshd[31254]: Failed password for root from 112.85.42.180 port 25703 ssh2
...
2020-09-13 02:07:06
111.95.141.34 attackspam
111.95.141.34 (ID/Indonesia/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 12 11:49:56 jbs1 sshd[14135]: Failed password for root from 164.132.145.70 port 46560 ssh2
Sep 12 11:49:56 jbs1 sshd[14158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.95.141.34  user=root
Sep 12 11:49:58 jbs1 sshd[14158]: Failed password for root from 111.95.141.34 port 57938 ssh2
Sep 12 11:49:59 jbs1 sshd[14168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=195.70.59.121  user=root
Sep 12 11:50:01 jbs1 sshd[14168]: Failed password for root from 195.70.59.121 port 59706 ssh2
Sep 12 11:51:50 jbs1 sshd[14840]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.197.222.97  user=root

IP Addresses Blocked:

164.132.145.70 (IT/Italy/-)
2020-09-13 02:00:24
121.162.235.44 attack
Sep 12 08:21:13 vlre-nyc-1 sshd\[3087\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.235.44  user=root
Sep 12 08:21:15 vlre-nyc-1 sshd\[3087\]: Failed password for root from 121.162.235.44 port 47082 ssh2
Sep 12 08:25:02 vlre-nyc-1 sshd\[3176\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.235.44  user=root
Sep 12 08:25:05 vlre-nyc-1 sshd\[3176\]: Failed password for root from 121.162.235.44 port 51434 ssh2
Sep 12 08:28:56 vlre-nyc-1 sshd\[3280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.162.235.44  user=root
...
2020-09-13 01:49:54
95.84.146.201 attackspambots
Invalid user adriana from 95.84.146.201 port 52842
2020-09-13 01:48:18
115.99.156.228 attack
srvr1: (mod_security) mod_security (id:920350) triggered by 115.99.156.228 (IN/-/-): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_MODSEC; Logs: 2020/09/11 18:51:09 [error] 12751#0: *115606 [client 115.99.156.228] 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 "/GponForm/diag_Form"] [unique_id "159984306992.703600"] [ref "o0,12v48,12"], client: 115.99.156.228, [redacted] request: "POST /GponForm/diag_Form?images/ HTTP/1.1" [redacted]
2020-09-13 01:50:19
170.246.206.193 attack
Sep 11 18:20:24 mail.srvfarm.net postfix/smtpd[3890715]: warning: unknown[170.246.206.193]: SASL PLAIN authentication failed: 
Sep 11 18:20:25 mail.srvfarm.net postfix/smtpd[3890715]: lost connection after AUTH from unknown[170.246.206.193]
Sep 11 18:24:15 mail.srvfarm.net postfix/smtps/smtpd[3892331]: warning: unknown[170.246.206.193]: SASL PLAIN authentication failed: 
Sep 11 18:24:15 mail.srvfarm.net postfix/smtps/smtpd[3892331]: lost connection after AUTH from unknown[170.246.206.193]
Sep 11 18:26:16 mail.srvfarm.net postfix/smtpd[3893261]: warning: unknown[170.246.206.193]: SASL PLAIN authentication failed:
2020-09-13 01:35:28
140.143.149.71 attackbotsspam
2020-09-12T19:51:34.429371afi-git.jinr.ru sshd[7811]: Failed password for invalid user appluat from 140.143.149.71 port 50940 ssh2
2020-09-12T19:55:14.176898afi-git.jinr.ru sshd[8967]: Invalid user administration from 140.143.149.71 port 33058
2020-09-12T19:55:14.180491afi-git.jinr.ru sshd[8967]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.149.71
2020-09-12T19:55:14.176898afi-git.jinr.ru sshd[8967]: Invalid user administration from 140.143.149.71 port 33058
2020-09-12T19:55:16.797863afi-git.jinr.ru sshd[8967]: Failed password for invalid user administration from 140.143.149.71 port 33058 ssh2
...
2020-09-13 01:57:49
210.86.239.186 attack
(sshd) Failed SSH login from 210.86.239.186 (VN/Vietnam/srv-01.kinhteviet.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 12 10:57:25 optimus sshd[32076]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.86.239.186  user=root
Sep 12 10:57:27 optimus sshd[32076]: Failed password for root from 210.86.239.186 port 57572 ssh2
Sep 12 11:05:00 optimus sshd[1465]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.86.239.186  user=root
Sep 12 11:05:01 optimus sshd[1465]: Failed password for root from 210.86.239.186 port 37552 ssh2
Sep 12 11:09:47 optimus sshd[2472]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=210.86.239.186  user=root
2020-09-13 01:53:30
91.121.91.82 attack
Invalid user qdyh from 91.121.91.82 port 38100
2020-09-13 01:49:17
112.85.42.74 attack
Sep 12 10:53:38 dignus sshd[27489]: Failed password for root from 112.85.42.74 port 25313 ssh2
Sep 12 10:53:39 dignus sshd[27489]: Failed password for root from 112.85.42.74 port 25313 ssh2
Sep 12 10:55:00 dignus sshd[27638]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.74  user=root
Sep 12 10:55:03 dignus sshd[27638]: Failed password for root from 112.85.42.74 port 61737 ssh2
Sep 12 10:55:05 dignus sshd[27638]: Failed password for root from 112.85.42.74 port 61737 ssh2
...
2020-09-13 01:59:06
103.252.119.134 attackspam
Sep 12 00:18:06 mail.srvfarm.net postfix/smtpd[4173000]: warning: unknown[103.252.119.134]: SASL PLAIN authentication failed: 
Sep 12 00:18:06 mail.srvfarm.net postfix/smtpd[4173000]: lost connection after AUTH from unknown[103.252.119.134]
Sep 12 00:18:36 mail.srvfarm.net postfix/smtps/smtpd[4173348]: warning: unknown[103.252.119.134]: SASL PLAIN authentication failed: 
Sep 12 00:18:37 mail.srvfarm.net postfix/smtps/smtpd[4173348]: lost connection after AUTH from unknown[103.252.119.134]
Sep 12 00:24:13 mail.srvfarm.net postfix/smtps/smtpd[4173321]: warning: unknown[103.252.119.134]: SASL PLAIN authentication failed:
2020-09-13 01:42:45

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