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: India

Internet Service Provider: Tata Communications Limited

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbots
2020-08-05 20:53:39 Reject access to port(s):3389 1 times a day
2020-08-06 18:26:19
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 121.242.139.51
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5617
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			418	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020080602 1800 900 604800 86400

;; Query time: 29 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Aug 06 18:26:13 CST 2020
;; MSG SIZE  rcvd: 118
Host info
51.139.242.121.in-addr.arpa domain name pointer 121.242.139.51.static-chennai.vsnl.net.in.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
51.139.242.121.in-addr.arpa	name = 121.242.139.51.static-chennai.vsnl.net.in.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
167.249.11.57 attackspambots
May  7 10:32:32 inter-technics sshd[28408]: Invalid user kk from 167.249.11.57 port 53736
May  7 10:32:32 inter-technics sshd[28408]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.249.11.57
May  7 10:32:32 inter-technics sshd[28408]: Invalid user kk from 167.249.11.57 port 53736
May  7 10:32:34 inter-technics sshd[28408]: Failed password for invalid user kk from 167.249.11.57 port 53736 ssh2
May  7 10:33:52 inter-technics sshd[28835]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.249.11.57  user=root
May  7 10:33:54 inter-technics sshd[28835]: Failed password for root from 167.249.11.57 port 44402 ssh2
...
2020-05-07 19:36:16
142.4.204.122 attackspam
May  7 03:26:03 vps46666688 sshd[21979]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.4.204.122
May  7 03:26:05 vps46666688 sshd[21979]: Failed password for invalid user office from 142.4.204.122 port 35944 ssh2
...
2020-05-07 19:15:58
58.244.173.130 attackbots
too many bad login attempts
2020-05-07 19:43:21
177.1.213.19 attack
3x Failed Password
2020-05-07 19:50:58
189.90.255.173 attackspam
frenzy
2020-05-07 19:19:36
189.15.50.44 attackspam
port 23
2020-05-07 19:31:22
60.167.239.99 attack
May  7 11:31:16 host sshd[15640]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.167.239.99  user=mail
May  7 11:31:19 host sshd[15640]: Failed password for mail from 60.167.239.99 port 55062 ssh2
...
2020-05-07 19:32:38
185.56.153.236 attackspam
(sshd) Failed SSH login from 185.56.153.236 (FR/France/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: May  7 07:02:09 amsweb01 sshd[12599]: Invalid user master from 185.56.153.236 port 33626
May  7 07:02:11 amsweb01 sshd[12599]: Failed password for invalid user master from 185.56.153.236 port 33626 ssh2
May  7 07:09:11 amsweb01 sshd[13083]: Invalid user fs from 185.56.153.236 port 46162
May  7 07:09:13 amsweb01 sshd[13083]: Failed password for invalid user fs from 185.56.153.236 port 46162 ssh2
May  7 07:13:11 amsweb01 sshd[13404]: Invalid user andes from 185.56.153.236 port 59382
2020-05-07 19:28:23
41.210.17.170 attack
20/5/6@23:48:18: FAIL: IoT-SSH address from=41.210.17.170
...
2020-05-07 19:13:23
203.177.114.2 attackbots
May  7 05:48:15 ns3164893 sshd[1651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.177.114.2
May  7 05:48:17 ns3164893 sshd[1651]: Failed password for invalid user prova from 203.177.114.2 port 31811 ssh2
...
2020-05-07 19:12:10
103.63.108.25 attackspam
2020-05-07T05:22:09.538400abusebot-8.cloudsearch.cf sshd[13512]: Invalid user lyb from 103.63.108.25 port 40306
2020-05-07T05:22:09.549478abusebot-8.cloudsearch.cf sshd[13512]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.63.108.25
2020-05-07T05:22:09.538400abusebot-8.cloudsearch.cf sshd[13512]: Invalid user lyb from 103.63.108.25 port 40306
2020-05-07T05:22:11.389958abusebot-8.cloudsearch.cf sshd[13512]: Failed password for invalid user lyb from 103.63.108.25 port 40306 ssh2
2020-05-07T05:26:52.139569abusebot-8.cloudsearch.cf sshd[13786]: Invalid user speedtest from 103.63.108.25 port 49324
2020-05-07T05:26:52.158867abusebot-8.cloudsearch.cf sshd[13786]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.63.108.25
2020-05-07T05:26:52.139569abusebot-8.cloudsearch.cf sshd[13786]: Invalid user speedtest from 103.63.108.25 port 49324
2020-05-07T05:26:54.184885abusebot-8.cloudsearch.cf sshd[13786]: Fail
...
2020-05-07 19:43:07
187.188.103.16 attack
Icarus honeypot on github
2020-05-07 19:26:14
181.123.38.15 attack
port 23
2020-05-07 19:35:51
177.133.98.115 attackbotsspam
port 23
2020-05-07 19:44:28
70.37.65.27 attackbotsspam
Time:     Thu May  7 06:17:06 2020 -0300
IP:       70.37.65.27 (US/United States/-)
Failures: 20 (WordPressBruteForcePOST)
Interval: 3600 seconds
Blocked:  Permanent Block
2020-05-07 19:34:02

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