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 <<>> 121.139.3.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38534
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019042901 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Tue Apr 30 11:52:07 +08 2019
;; MSG SIZE  rcvd: 115

Host info
Host 6.3.139.121.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 6.3.139.121.in-addr.arpa: NXDOMAIN

Related IP info:
Related comments:
IP Type Details Datetime
223.111.150.56 attack
09/19/2019-10:10:02.644632 223.111.150.56 Protocol: 6 ET SCAN Suspicious inbound to mySQL port 3306
2019-09-20 03:14:11
58.210.96.156 attackbotsspam
Sep 19 20:47:22 vps647732 sshd[8597]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.96.156
Sep 19 20:47:24 vps647732 sshd[8597]: Failed password for invalid user fc from 58.210.96.156 port 48933 ssh2
...
2019-09-20 03:07:20
98.143.148.45 attack
Invalid user test from 98.143.148.45 port 33074
2019-09-20 03:10:47
113.203.24.52 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 19-09-2019 11:45:54.
2019-09-20 03:34:38
118.70.12.171 attack
Unauthorized connection attempt from IP address 118.70.12.171 on Port 445(SMB)
2019-09-20 02:59:11
72.11.140.178 attackbotsspam
72.11.140.178 - - [19/Sep/2019:06:45:34 -0400] "GET /?page=products&action=view&manufacturerID=135&productID=S65-241&linkID=15056999999.1%20union%20select%20unhex(hex(version()))%20--%20and%201%3D1 HTTP/1.1" 200 90912 "-" "-"
72.11.140.178 - - [19/Sep/2019:06:45:35 -0400] "GET /?page=products&action=view&manufacturerID=135&productID=S65-241&linkID=1505699999%27%20union%20select%20unhex(hex(version()))%20--%20%27x%27=%27x HTTP/1.1" 200 90912 "-" "-"
...
2019-09-20 03:07:07
116.233.210.179 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 19-09-2019 11:46:26.
2019-09-20 03:08:47
60.245.60.151 attackbots
Automatic report - Banned IP Access
2019-09-20 03:04:30
203.134.214.46 attackspambots
2019-09-19T10:46:05Z - RDP login failed multiple times. (203.134.214.46)
2019-09-20 03:25:49
45.91.65.245 attackspambots
Spam
2019-09-20 03:31:23
54.37.138.172 attackspambots
Sep 19 17:39:28 dedicated sshd[19569]: Invalid user trendimsa1.0 from 54.37.138.172 port 45258
2019-09-20 03:29:02
117.6.130.71 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 19-09-2019 11:46:47.
2019-09-20 02:58:14
83.166.155.190 attack
IP of recurrently spamvertising site: 3w.gross-schweiz.ch
Keeps sending spam despite unsubscription
2019-09-20 03:06:36
201.184.110.154 attackspam
Sep 19 17:14:00 www sshd\[32570\]: Invalid user teste01 from 201.184.110.154Sep 19 17:14:02 www sshd\[32570\]: Failed password for invalid user teste01 from 201.184.110.154 port 39872 ssh2Sep 19 17:19:29 www sshd\[32592\]: Invalid user temp from 201.184.110.154Sep 19 17:19:31 www sshd\[32592\]: Failed password for invalid user temp from 201.184.110.154 port 34189 ssh2
...
2019-09-20 03:14:48
51.255.86.223 attackbotsspam
Sep 19 06:46:12 web1 postfix/smtpd[25384]: warning: unknown[51.255.86.223]: SASL LOGIN authentication failed: authentication failure
...
2019-09-20 03:02:37

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