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 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 <<>> 221.143.21.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51995
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019082800 1800 900 604800 86400

;; Query time: 4 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Wed Aug 28 13:38:42 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 242.21.143.221.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 242.21.143.221.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
185.220.101.8 attackspambots
$f2bV_matches
2020-09-15 14:37:45
201.20.185.14 attack
Sep 14 18:36:48 mail.srvfarm.net postfix/smtpd[2076885]: warning: unknown[201.20.185.14]: SASL PLAIN authentication failed: 
Sep 14 18:36:49 mail.srvfarm.net postfix/smtpd[2076885]: lost connection after AUTH from unknown[201.20.185.14]
Sep 14 18:38:10 mail.srvfarm.net postfix/smtpd[2076880]: warning: unknown[201.20.185.14]: SASL PLAIN authentication failed: 
Sep 14 18:38:10 mail.srvfarm.net postfix/smtpd[2076880]: lost connection after AUTH from unknown[201.20.185.14]
Sep 14 18:39:03 mail.srvfarm.net postfix/smtpd[2073290]: warning: unknown[201.20.185.14]: SASL PLAIN authentication failed:
2020-09-15 14:53:08
188.92.213.183 attackbots
Unauthorized SMTP/IMAP/POP3 connection attempt
2020-09-15 14:55:14
5.188.84.119 attack
WEB SPAM: Check out the newest way to make a fantastic profit. 
Link - http://www.google.com/url?q=%68%74%74%70%73%3A%2F%2F%68%64%72%65%64%74%75%62%65%33%2e%6d%6f%62%69%2F%62%74%73%6d%61%72%74%23%4c%66%49%65%73%56%78%53%6e%74%5a%4f%62%63%74%59%48&sa=D&sntz=1&usg=AFQjCNEBivomxsHhsX_cYNmolmTv5jr2nA
2020-09-15 14:36:59
177.85.142.224 attack
Sep 14 18:35:36 mail.srvfarm.net postfix/smtps/smtpd[2073845]: warning: unknown[177.85.142.224]: SASL PLAIN authentication failed: 
Sep 14 18:35:37 mail.srvfarm.net postfix/smtps/smtpd[2073845]: lost connection after AUTH from unknown[177.85.142.224]
Sep 14 18:39:10 mail.srvfarm.net postfix/smtpd[2073585]: warning: unknown[177.85.142.224]: SASL PLAIN authentication failed: 
Sep 14 18:39:11 mail.srvfarm.net postfix/smtpd[2073585]: lost connection after AUTH from unknown[177.85.142.224]
Sep 14 18:40:37 mail.srvfarm.net postfix/smtps/smtpd[2077858]: warning: unknown[177.85.142.224]: SASL PLAIN authentication failed:
2020-09-15 14:56:28
177.126.216.117 attack
Sep 14 18:44:39 mail.srvfarm.net postfix/smtpd[2078258]: warning: unknown[177.126.216.117]: SASL PLAIN authentication failed: 
Sep 14 18:44:39 mail.srvfarm.net postfix/smtpd[2078258]: lost connection after AUTH from unknown[177.126.216.117]
Sep 14 18:47:52 mail.srvfarm.net postfix/smtps/smtpd[2075149]: warning: unknown[177.126.216.117]: SASL PLAIN authentication failed: 
Sep 14 18:47:52 mail.srvfarm.net postfix/smtps/smtpd[2075149]: lost connection after AUTH from unknown[177.126.216.117]
Sep 14 18:54:32 mail.srvfarm.net postfix/smtps/smtpd[2077858]: warning: unknown[177.126.216.117]: SASL PLAIN authentication failed:
2020-09-15 14:56:05
156.54.169.143 attack
2020-09-15T07:09:20+0200 Failed SSH Authentication/Brute Force Attack. (Server 5)
2020-09-15 14:48:54
45.142.120.183 attack
Sep 15 08:33:20 v22019058497090703 postfix/smtpd[31879]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 15 08:33:31 v22019058497090703 postfix/smtpd[32213]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 15 08:33:36 v22019058497090703 postfix/smtpd[32224]: warning: unknown[45.142.120.183]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-15 15:05:35
103.9.0.209 attack
(sshd) Failed SSH login from 103.9.0.209 (VN/Vietnam/static.telehouse.com.vn): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 15 00:50:35 server sshd[25705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.9.0.209  user=root
Sep 15 00:50:37 server sshd[25705]: Failed password for root from 103.9.0.209 port 60702 ssh2
Sep 15 01:06:57 server sshd[30483]: Invalid user dresden from 103.9.0.209 port 35044
Sep 15 01:06:59 server sshd[30483]: Failed password for invalid user dresden from 103.9.0.209 port 35044 ssh2
Sep 15 01:08:55 server sshd[31113]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.9.0.209  user=root
2020-09-15 14:36:08
103.70.161.112 attackbots
Sep 14 18:29:27 mail.srvfarm.net postfix/smtps/smtpd[2075184]: warning: unknown[103.70.161.112]: SASL PLAIN authentication failed: 
Sep 14 18:29:28 mail.srvfarm.net postfix/smtps/smtpd[2075184]: lost connection after AUTH from unknown[103.70.161.112]
Sep 14 18:33:37 mail.srvfarm.net postfix/smtps/smtpd[2073815]: warning: unknown[103.70.161.112]: SASL PLAIN authentication failed: 
Sep 14 18:33:37 mail.srvfarm.net postfix/smtps/smtpd[2073815]: lost connection after AUTH from unknown[103.70.161.112]
Sep 14 18:35:13 mail.srvfarm.net postfix/smtpd[2075458]: warning: unknown[103.70.161.112]: SASL PLAIN authentication failed:
2020-09-15 15:00:51
5.190.144.84 attackspambots
Sep 14 18:49:18 mail.srvfarm.net postfix/smtps/smtpd[2079488]: warning: unknown[5.190.144.84]: SASL PLAIN authentication failed: 
Sep 14 18:49:18 mail.srvfarm.net postfix/smtps/smtpd[2079488]: lost connection after AUTH from unknown[5.190.144.84]
Sep 14 18:49:51 mail.srvfarm.net postfix/smtpd[2076884]: warning: unknown[5.190.144.84]: SASL PLAIN authentication failed: 
Sep 14 18:49:52 mail.srvfarm.net postfix/smtpd[2076884]: lost connection after AUTH from unknown[5.190.144.84]
Sep 14 18:50:47 mail.srvfarm.net postfix/smtpd[2078261]: warning: unknown[5.190.144.84]: SASL PLAIN authentication failed:
2020-09-15 15:07:16
181.174.144.172 attack
Sep 14 18:38:02 mail.srvfarm.net postfix/smtpd[2073939]: warning: unknown[181.174.144.172]: SASL PLAIN authentication failed: 
Sep 14 18:38:03 mail.srvfarm.net postfix/smtpd[2073939]: lost connection after AUTH from unknown[181.174.144.172]
Sep 14 18:38:21 mail.srvfarm.net postfix/smtpd[2073585]: warning: unknown[181.174.144.172]: SASL PLAIN authentication failed: 
Sep 14 18:38:23 mail.srvfarm.net postfix/smtpd[2073585]: lost connection after AUTH from unknown[181.174.144.172]
Sep 14 18:42:24 mail.srvfarm.net postfix/smtpd[2078261]: warning: unknown[181.174.144.172]: SASL PLAIN authentication failed: 
Sep 14 18:42:24 mail.srvfarm.net postfix/smtpd[2078261]: lost connection after AUTH from unknown[181.174.144.172]
2020-09-15 14:55:49
194.168.212.81 attackbotsspam
Sep 15 07:20:53 web01.agentur-b-2.de postfix/smtpd[4125723]: NOQUEUE: reject: RCPT from smtp.st-ambrosecollege.org.uk[194.168.212.81]: 450 4.7.1 : Helo command rejected: Host not found; from=<14ByrneKieron@st-ambrosecollege.org.uk> to= proto=ESMTP helo=
Sep 15 07:21:58 web01.agentur-b-2.de postfix/smtpd[4128977]: NOQUEUE: reject: RCPT from smtp.st-ambrosecollege.org.uk[194.168.212.81]: 450 4.7.1 : Helo command rejected: Host not found; from=<14ByrneKieron@st-ambrosecollege.org.uk> to= proto=ESMTP helo=
Sep 15 07:23:04 web01.agentur-b-2.de postfix/smtpd[4104468]: NOQUEUE: reject: RCPT from smtp.st-ambrosecollege.org.uk[194.168.212.81]: 450 4.7.1 : Helo command rejected: Host not found; from=<14ByrneKieron@st-ambrosecollege.org.uk> to= proto=ESMTP helo=
2020-09-15 14:53:59
191.240.117.232 attackbots
Sep 15 01:40:14 mail.srvfarm.net postfix/smtpd[2398740]: warning: unknown[191.240.117.232]: SASL PLAIN authentication failed: 
Sep 15 01:40:15 mail.srvfarm.net postfix/smtpd[2398740]: lost connection after AUTH from unknown[191.240.117.232]
Sep 15 01:46:16 mail.srvfarm.net postfix/smtps/smtpd[2397389]: warning: unknown[191.240.117.232]: SASL PLAIN authentication failed: 
Sep 15 01:46:17 mail.srvfarm.net postfix/smtps/smtpd[2397389]: lost connection after AUTH from unknown[191.240.117.232]
Sep 15 01:49:39 mail.srvfarm.net postfix/smtpd[2398736]: warning: unknown[191.240.117.232]: SASL PLAIN authentication failed:
2020-09-15 15:10:41
103.252.119.155 attack
Sep 14 18:25:49 mail.srvfarm.net postfix/smtps/smtpd[2075149]: warning: unknown[103.252.119.155]: SASL PLAIN authentication failed: 
Sep 14 18:25:52 mail.srvfarm.net postfix/smtps/smtpd[2075149]: lost connection after AUTH from unknown[103.252.119.155]
Sep 14 18:33:08 mail.srvfarm.net postfix/smtpd[2073941]: warning: unknown[103.252.119.155]: SASL PLAIN authentication failed: 
Sep 14 18:33:09 mail.srvfarm.net postfix/smtpd[2073941]: lost connection after AUTH from unknown[103.252.119.155]
Sep 14 18:33:31 mail.srvfarm.net postfix/smtps/smtpd[2075241]: warning: unknown[103.252.119.155]: SASL PLAIN authentication failed:
2020-09-15 15:15:08

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