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 <<>> 104.21.51.140
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64555
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.140.			IN	A

;; AUTHORITY SECTION:
.			589	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:12:16 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 140.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 140.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.101.27.6 attack
Oct  1 14:26:12 MK-Soft-VM3 sshd[16452]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=46.101.27.6 
Oct  1 14:26:13 MK-Soft-VM3 sshd[16452]: Failed password for invalid user user from 46.101.27.6 port 34752 ssh2
...
2019-10-02 03:55:36
95.135.26.251 attack
Automatic report - Port Scan Attack
2019-10-02 03:35:58
52.50.232.130 attackspambots
Automatic report - Banned IP Access
2019-10-02 03:49:53
138.68.94.173 attack
Automatic report - Banned IP Access
2019-10-02 04:02:46
106.13.44.156 attackbots
Oct  1 12:55:49 Tower sshd[37068]: Connection from 106.13.44.156 port 39736 on 192.168.10.220 port 22
Oct  1 12:55:51 Tower sshd[37068]: Invalid user lachlan from 106.13.44.156 port 39736
Oct  1 12:55:51 Tower sshd[37068]: error: Could not get shadow information for NOUSER
Oct  1 12:55:51 Tower sshd[37068]: Failed password for invalid user lachlan from 106.13.44.156 port 39736 ssh2
Oct  1 12:55:52 Tower sshd[37068]: Received disconnect from 106.13.44.156 port 39736:11: Bye Bye [preauth]
Oct  1 12:55:52 Tower sshd[37068]: Disconnected from invalid user lachlan 106.13.44.156 port 39736 [preauth]
2019-10-02 03:34:52
1.186.45.250 attackspam
Oct  1 21:24:43 jane sshd[13937]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.186.45.250 
Oct  1 21:24:46 jane sshd[13937]: Failed password for invalid user toto from 1.186.45.250 port 52330 ssh2
...
2019-10-02 03:55:59
58.171.108.172 attackspam
Oct  1 08:21:19 eddieflores sshd\[31722\]: Invalid user redhat from 58.171.108.172
Oct  1 08:21:19 eddieflores sshd\[31722\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=har3203515.lnk.telstra.net
Oct  1 08:21:20 eddieflores sshd\[31722\]: Failed password for invalid user redhat from 58.171.108.172 port 6341 ssh2
Oct  1 08:26:41 eddieflores sshd\[32147\]: Invalid user sunusbot1 from 58.171.108.172
Oct  1 08:26:41 eddieflores sshd\[32147\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=har3203515.lnk.telstra.net
2019-10-02 03:47:38
138.68.29.52 attack
Oct  1 02:23:11 hpm sshd\[14787\]: Invalid user alexander from 138.68.29.52
Oct  1 02:23:11 hpm sshd\[14787\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.29.52
Oct  1 02:23:14 hpm sshd\[14787\]: Failed password for invalid user alexander from 138.68.29.52 port 55570 ssh2
Oct  1 02:27:07 hpm sshd\[15092\]: Invalid user bianka from 138.68.29.52
Oct  1 02:27:07 hpm sshd\[15092\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.29.52
2019-10-02 03:50:16
203.190.43.82 attackspambots
Sep 30 17:07:42 our-server-hostname postfix/smtpd[31216]: connect from unknown[203.190.43.82]
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep 30 17:07:47 our-server-hostname postfix/smtpd[31216]: lost connection after RCPT from unknown[203.190.43.82]
Sep 30 17:07:47 our-server-hostname postfix/smtpd[31216]: disconnect from unknown[203.190.43.82]
Sep 30 18:46:42 our-server-hostname postfix/smtpd[8925]: connect from unknown[203.190.43.82]
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep x@x
Sep 30 18:46:47 our-server-hostname postfix/smtpd[8925]: lost connection after RCPT from unknown[203.190.43.82]
Sep 30 18:46:47 our-server-hostname postfix/smtpd[8925]: disconnect from unknown[203.190.43.82]
Sep 30 19:45:26 our-server-hostname postfix/smtpd[8451]: connect from unknown[203.190.43.82]
Sep x@x
Sep x@x
Sep x@x
Sep 30 19:45:30 our-server-hostname postfix/smtpd[8451]: lost connection after RCPT from unknown[203.190.43.82]
Sep 30 19:45:30 our-server-hostname postfix/smtpd[8451........
-------------------------------
2019-10-02 03:39:36
132.232.112.217 attackbotsspam
$f2bV_matches
2019-10-02 03:45:11
42.117.52.139 attackspam
Unauthorised access (Oct  1) SRC=42.117.52.139 LEN=40 TTL=47 ID=40889 TCP DPT=8080 WINDOW=51845 SYN 
Unauthorised access (Oct  1) SRC=42.117.52.139 LEN=40 TTL=47 ID=42024 TCP DPT=8080 WINDOW=39100 SYN 
Unauthorised access (Oct  1) SRC=42.117.52.139 LEN=40 TTL=47 ID=59504 TCP DPT=8080 WINDOW=12581 SYN
2019-10-02 03:23:02
138.197.13.103 attackbotsspam
xmlrpc attack
2019-10-02 03:42:54
152.249.245.68 attack
Oct  1 09:09:58 sachi sshd\[3561\]: Invalid user shade from 152.249.245.68
Oct  1 09:09:58 sachi sshd\[3561\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.249.245.68
Oct  1 09:10:00 sachi sshd\[3561\]: Failed password for invalid user shade from 152.249.245.68 port 39174 ssh2
Oct  1 09:15:53 sachi sshd\[4073\]: Invalid user ftptest from 152.249.245.68
Oct  1 09:15:53 sachi sshd\[4073\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.249.245.68
2019-10-02 03:30:56
192.228.100.30 attackbots
587/tcp 5038/tcp...
[2019-08-06/10-01]5pkt,2pt.(tcp)
2019-10-02 04:03:27
109.248.174.40 attack
5500/tcp 23/tcp 52869/tcp
[2019-08-01/10-01]3pkt
2019-10-02 03:24:35

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