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: None

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 <<>> 104.21.53.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5378
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.139.			IN	A

;; AUTHORITY SECTION:
.			397	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 23 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:32 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 139.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 139.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
164.132.111.76 attack
Mar  5 10:21:15 gw1 sshd[18193]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.111.76
Mar  5 10:21:17 gw1 sshd[18193]: Failed password for invalid user linqj from 164.132.111.76 port 37192 ssh2
...
2020-03-05 13:36:19
198.199.94.210 attackbotsspam
[Thu Mar 05 11:53:55.512006 2020] [:error] [pid 16024:tid 140656775231232] [client 198.199.94.210:47622] [client 198.199.94.210] ModSecurity: Access denied with code 403 (phase 2). Matched phrase "zgrab" at REQUEST_HEADERS:User-Agent. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-913-SCANNER-DETECTION.conf"] [line "55"] [id "913100"] [msg "Found User-Agent associated with security scanner"] [data "Matched Data: zgrab found within REQUEST_HEADERS:User-Agent: mozilla/5.0 zgrab/0.x"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-reputation-scanner"] [tag "OWASP_CRS"] [tag "OWASP_CRS/AUTOMATION/SECURITY_SCANNER"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A7"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/hudson"] [unique_id "XmCF456JlR49kAPeKyM5@QAAAYU"]
...
2020-03-05 14:04:29
186.125.254.2 attack
Mar  5 05:54:14 grey postfix/smtpd\[2428\]: NOQUEUE: reject: RCPT from unknown\[186.125.254.2\]: 554 5.7.1 Service unavailable\; Client host \[186.125.254.2\] blocked using bl.spamcop.net\; Blocked - see https://www.spamcop.net/bl.shtml\?186.125.254.2\; from=\ to=\ proto=SMTP helo=\
...
2020-03-05 13:47:53
118.114.254.70 attackbots
03/04/2020-23:54:52.231465 118.114.254.70 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-03-05 13:26:48
142.93.241.93 attackspambots
Invalid user sonar from 142.93.241.93 port 50346
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.241.93
Failed password for invalid user sonar from 142.93.241.93 port 50346 ssh2
Invalid user smbuser from 142.93.241.93 port 55790
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.241.93
2020-03-05 13:53:14
68.183.153.161 attackspam
firewall-block, port(s): 11041/tcp
2020-03-05 14:00:25
112.215.172.212 attackbotsspam
1583384092 - 03/05/2020 05:54:52 Host: 112.215.172.212/112.215.172.212 Port: 445 TCP Blocked
2020-03-05 13:23:50
186.4.125.32 attackspambots
Automatic report - Port Scan Attack
2020-03-05 13:45:09
186.24.43.28 attackspambots
Mar  5 05:54:48 jane sshd[31865]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=186.24.43.28 
Mar  5 05:54:50 jane sshd[31865]: Failed password for invalid user cloud from 186.24.43.28 port 55606 ssh2
...
2020-03-05 13:27:30
31.163.128.118 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2020-03-05 13:28:07
175.19.204.4 attackspam
03/04/2020-23:54:01.206524 175.19.204.4 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-03-05 13:47:23
111.230.141.189 attackbotsspam
2020-03-05T05:08:23.034820shield sshd\[9486\]: Invalid user wrchang from 111.230.141.189 port 51170
2020-03-05T05:08:23.042473shield sshd\[9486\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.141.189
2020-03-05T05:08:25.263977shield sshd\[9486\]: Failed password for invalid user wrchang from 111.230.141.189 port 51170 ssh2
2020-03-05T05:15:14.319591shield sshd\[10434\]: Invalid user bliu from 111.230.141.189 port 60014
2020-03-05T05:15:14.324260shield sshd\[10434\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.230.141.189
2020-03-05 13:32:11
36.26.72.16 attackspam
SSH login attempts.
2020-03-05 13:47:37
106.13.78.180 attackbots
Mar  5 11:33:59 areeb-Workstation sshd[22026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.78.180 
Mar  5 11:34:01 areeb-Workstation sshd[22026]: Failed password for invalid user sinusbot from 106.13.78.180 port 53170 ssh2
...
2020-03-05 14:05:22
77.42.127.214 attackspambots
Automatic report - Port Scan Attack
2020-03-05 13:52:41

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