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 <<>> 104.21.13.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2557
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.13.209.			IN	A

;; AUTHORITY SECTION:
.			424	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 27 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:10:46 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 209.13.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.13.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
91.232.12.86 attackspam
Nov  1 10:04:45 www6-3 sshd[25491]: Invalid user daniel from 91.232.12.86 port 46305
Nov  1 10:04:45 www6-3 sshd[25491]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.232.12.86
Nov  1 10:04:47 www6-3 sshd[25491]: Failed password for invalid user daniel from 91.232.12.86 port 46305 ssh2
Nov  1 10:04:47 www6-3 sshd[25491]: Received disconnect from 91.232.12.86 port 46305:11: Bye Bye [preauth]
Nov  1 10:04:47 www6-3 sshd[25491]: Disconnected from 91.232.12.86 port 46305 [preauth]
Nov  1 10:21:50 www6-3 sshd[26535]: Invalid user ftpadmin from 91.232.12.86 port 28532
Nov  1 10:21:50 www6-3 sshd[26535]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.232.12.86
Nov  1 10:21:51 www6-3 sshd[26535]: Failed password for invalid user ftpadmin from 91.232.12.86 port 28532 ssh2
Nov  1 10:21:51 www6-3 sshd[26535]: Received disconnect from 91.232.12.86 port 28532:11: Bye Bye [preauth]
Nov  1 10:21:5........
-------------------------------
2019-11-02 08:01:13
183.11.130.173 attackspam
Lines containing failures of 183.11.130.173 (max 1000)
Nov  1 09:23:47 mm sshd[15112]: pam_unix(sshd:auth): authentication fai=
lure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D183.11.130=
.173  user=3Dr.r
Nov  1 09:23:49 mm sshd[15112]: Failed password for r.r from 183.11.13=
0.173 port 61540 ssh2
Nov  1 09:23:50 mm sshd[15112]: Received disconnect from 183.11.130.173=
 port 61540:11: Bye Bye [preauth]
Nov  1 09:23:50 mm sshd[15112]: Disconnected from authenticating user r=
oot 183.11.130.173 port 61540 [preauth]
Nov  1 09:44:43 mm sshd[15367]: Invalid user deluge from 183.11.130.173=
 port 63306
Nov  1 09:44:43 mm sshd[15367]: pam_unix(sshd:auth): authentication fai=
lure; logname=3D uid=3D0 euid=3D0 tty=3Dssh ruser=3D rhost=3D183.11.130=
.173
Nov  1 09:44:45 mm sshd[15367]: Failed password for invalid user deluge=
 from 183.11.130.173 port 63306 ssh2
Nov  1 09:44:46 mm sshd[15367]: Received disconnect from 183.11.130.173=
 port 63306:11: Bye Bye [preauth]
........
------------------------------
2019-11-02 08:04:05
139.255.17.194 attackbotsspam
Fail2Ban Ban Triggered
2019-11-02 07:42:35
88.247.250.203 attackbotsspam
Automatic report - Banned IP Access
2019-11-02 07:35:45
190.4.29.122 attack
1433/tcp 445/tcp
[2019-09-17/11-01]2pkt
2019-11-02 07:33:01
157.245.135.74 attack
157.245.135.74 - - [01/Nov/2019:22:40:39 +0100] "POST /wp-login.php HTTP/1.1" 200 2112 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
157.245.135.74 - - [01/Nov/2019:22:40:45 +0100] "POST /wp-login.php HTTP/1.1" 200 2093 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2019-11-02 07:33:23
46.38.144.146 attackbotsspam
Nov  2 00:51:04 webserver postfix/smtpd\[27673\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  2 00:51:54 webserver postfix/smtpd\[26812\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  2 00:52:43 webserver postfix/smtpd\[27698\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  2 00:53:33 webserver postfix/smtpd\[27698\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov  2 00:54:22 webserver postfix/smtpd\[27673\]: warning: unknown\[46.38.144.146\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-11-02 07:59:42
146.185.183.107 attack
Automatic report - XMLRPC Attack
2019-11-02 08:05:41
92.118.38.54 attackbots
Nov  1 22:40:04 heicom postfix/smtpd\[28441\]: warning: unknown\[92.118.38.54\]: SASL LOGIN authentication failed: authentication failure
Nov  1 22:43:20 heicom postfix/smtpd\[28503\]: warning: unknown\[92.118.38.54\]: SASL LOGIN authentication failed: authentication failure
Nov  1 22:46:39 heicom postfix/smtpd\[28560\]: warning: unknown\[92.118.38.54\]: SASL LOGIN authentication failed: authentication failure
Nov  1 22:50:00 heicom postfix/smtpd\[28612\]: warning: unknown\[92.118.38.54\]: SASL LOGIN authentication failed: authentication failure
Nov  1 22:53:20 heicom postfix/smtpd\[28669\]: warning: unknown\[92.118.38.54\]: SASL LOGIN authentication failed: authentication failure
...
2019-11-02 08:03:13
106.12.79.160 attackspam
Invalid user no from 106.12.79.160 port 39564
2019-11-02 07:48:23
50.239.143.195 attackbots
Nov  1 16:08:16 lanister sshd[18065]: Invalid user ubnt from 50.239.143.195
Nov  1 16:08:18 lanister sshd[18065]: Failed password for invalid user ubnt from 50.239.143.195 port 55008 ssh2
Nov  1 16:11:55 lanister sshd[18170]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=50.239.143.195  user=root
Nov  1 16:11:57 lanister sshd[18170]: Failed password for root from 50.239.143.195 port 39522 ssh2
...
2019-11-02 07:54:41
51.77.68.27 attack
52781/tcp 54016/tcp
[2019-11-01]2pkt
2019-11-02 07:36:39
185.80.55.151 attackspam
slow and persistent scanner
2019-11-02 07:38:25
157.230.184.19 attackbotsspam
Nov  1 21:12:13 MK-Soft-Root1 sshd[18664]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=157.230.184.19 
Nov  1 21:12:15 MK-Soft-Root1 sshd[18664]: Failed password for invalid user web from 157.230.184.19 port 33888 ssh2
...
2019-11-02 07:41:34
51.83.71.72 attack
Nov  1 23:59:33  postfix/smtpd: warning: 72.ip-51-83-71.eu[51.83.71.72]: SASL LOGIN authentication failed
2019-11-02 08:03:45

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