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: United States

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 <<>> 104.21.11.215
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13580
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.11.215.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:39:17 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 215.11.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 215.11.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
186.249.94.135 attackbotsspam
failed_logins
2019-06-24 07:10:53
116.7.232.146 attackbots
Unauthorized connection attempt from IP address 116.7.232.146 on Port 445(SMB)
2019-06-24 06:46:33
185.40.4.67 attackbots
\[2019-06-23 17:14:19\] NOTICE\[1849\] chan_sip.c: Registration from '\' failed for '185.40.4.67:55842' - Wrong password
\[2019-06-23 17:14:19\] SECURITY\[1857\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-06-23T17:14:19.062-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="555555",SessionID="0x7fc42417ead8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.40.4.67/55842",Challenge="525b99b7",ReceivedChallenge="525b99b7",ReceivedHash="fc654993269211688535cacd6d3e4fe4"
\[2019-06-23 17:15:43\] NOTICE\[1849\] chan_sip.c: Registration from '\' failed for '185.40.4.67:54142' - Wrong password
...
2019-06-24 07:07:33
87.106.219.57 attack
Unauthorized connection attempt from IP address 87.106.219.57 on Port 445(SMB)
2019-06-24 06:38:31
133.167.36.8 attackbots
Jun 23 22:54:59 b2b-pharm sshd[18687]: Did not receive identification string from 133.167.36.8 port 39756
Jun 23 22:57:37 b2b-pharm sshd[18708]: User r.r not allowed because account is locked
Jun 23 22:57:37 b2b-pharm sshd[18708]: error: maximum authentication attempts exceeded for invalid user r.r from 133.167.36.8 port 47406 ssh2 [preauth]
Jun 23 22:57:37 b2b-pharm sshd[18708]: User r.r not allowed because account is locked
Jun 23 22:57:37 b2b-pharm sshd[18708]: error: maximum authentication attempts exceeded for invalid user r.r from 133.167.36.8 port 47406 ssh2 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=133.167.36.8
2019-06-24 06:39:33
51.75.142.41 attackspambots
Jun 23 14:23:04 *** sshd[22161]: Failed password for invalid user source from 51.75.142.41 port 56247 ssh2
Jun 23 14:26:12 *** sshd[22187]: Failed password for invalid user eddie from 51.75.142.41 port 45217 ssh2
Jun 23 14:27:24 *** sshd[22191]: Failed password for invalid user test from 51.75.142.41 port 52099 ssh2
Jun 23 14:28:34 *** sshd[22194]: Failed password for invalid user testuser from 51.75.142.41 port 58981 ssh2
Jun 23 14:29:47 *** sshd[22197]: Failed password for invalid user nang from 51.75.142.41 port 37629 ssh2
Jun 23 14:30:53 *** sshd[22200]: Failed password for invalid user nen from 51.75.142.41 port 44511 ssh2
Jun 23 14:32:02 *** sshd[22203]: Failed password for invalid user tun from 51.75.142.41 port 51392 ssh2
Jun 23 14:33:14 *** sshd[22206]: Failed password for invalid user krishna from 51.75.142.41 port 58276 ssh2
Jun 23 14:34:25 *** sshd[22210]: Failed password for invalid user dropbox from 51.75.142.41 port 36925 ssh2
Jun 23 14:36:49 *** sshd[22219]: Failed password for invalid user mi
2019-06-24 07:18:59
51.254.220.20 attackbotsspam
Invalid user test from 51.254.220.20 port 48971
2019-06-24 06:58:59
77.28.102.7 attackspam
Jun 23 10:47:39 *** sshd[20075]: Failed password for invalid user broke from 77.28.102.7 port 51562 ssh2
Jun 23 10:50:50 *** sshd[20080]: Failed password for invalid user testuser from 77.28.102.7 port 35481 ssh2
Jun 23 10:53:11 *** sshd[20084]: Failed password for invalid user miu from 77.28.102.7 port 52231 ssh2
Jun 23 10:55:21 *** sshd[20096]: Failed password for invalid user teste from 77.28.102.7 port 59657 ssh2
Jun 23 10:57:29 *** sshd[20103]: Failed password for invalid user ping from 77.28.102.7 port 33956 ssh2
Jun 23 10:59:36 *** sshd[20107]: Failed password for invalid user postgres3 from 77.28.102.7 port 41377 ssh2
Jun 23 11:01:46 *** sshd[20147]: Failed password for invalid user filter from 77.28.102.7 port 48803 ssh2
Jun 23 11:04:00 *** sshd[20193]: Failed password for invalid user ftpuser from 77.28.102.7 port 43153 ssh2
2019-06-24 07:16:51
191.53.59.34 attack
Brute force attempt
2019-06-24 07:08:38
103.77.78.11 attackbotsspam
2019-06-23 21:59:45 H=hosting-19.privatezone.net [103.77.78.11]:4027 I=[10.100.18.25]:25 sender verify fail for : Unrouteable address
2019-06-23 x@x
2019-06-23 21:59:45 unexpected disconnection while reading SMTP command from hosting-19.privatezone.net [103.77.78.11]:4027 I=[10.100.18.25]:25


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=103.77.78.11
2019-06-24 06:48:41
58.27.217.75 attackbots
SSH Brute-Force reported by Fail2Ban
2019-06-24 07:06:15
221.160.100.14 attackbots
Jun 23 23:50:53 core01 sshd\[29344\]: Invalid user 2 from 221.160.100.14 port 52852
Jun 23 23:50:53 core01 sshd\[29344\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.160.100.14
...
2019-06-24 07:23:45
217.11.163.234 attack
Jun 23 16:05:32 debian sshd\[30030\]: Invalid user newuser from 217.11.163.234 port 19478
Jun 23 16:05:32 debian sshd\[30030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.11.163.234
Jun 23 16:05:34 debian sshd\[30030\]: Failed password for invalid user newuser from 217.11.163.234 port 19478 ssh2
...
2019-06-24 06:56:26
181.36.41.165 attackspam
Unauthorized connection attempt from IP address 181.36.41.165 on Port 445(SMB)
2019-06-24 06:50:43
141.98.9.2 attackspambots
Jun 24 00:37:04 mail postfix/smtpd\[28620\]: warning: unknown\[141.98.9.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 24 00:37:51 mail postfix/smtpd\[28620\]: warning: unknown\[141.98.9.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 24 00:38:39 mail postfix/smtpd\[27462\]: warning: unknown\[141.98.9.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-24 06:44:14

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