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 <<>> 104.21.11.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23332
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.11.100.			IN	A

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

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:28:49 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 100.11.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 100.11.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
121.196.133.233 attackbotsspam
Host Scan
2019-12-07 22:34:30
172.81.243.232 attackspambots
Dec  7 09:19:41 Tower sshd[3312]: Connection from 172.81.243.232 port 53974 on 192.168.10.220 port 22
Dec  7 09:19:44 Tower sshd[3312]: Failed password for root from 172.81.243.232 port 53974 ssh2
Dec  7 09:19:45 Tower sshd[3312]: Received disconnect from 172.81.243.232 port 53974:11: Bye Bye [preauth]
Dec  7 09:19:45 Tower sshd[3312]: Disconnected from authenticating user root 172.81.243.232 port 53974 [preauth]
2019-12-07 22:31:41
178.62.180.164 attackbots
178.62.180.164 - - \[07/Dec/2019:11:15:00 +0000\] "POST /wp-login.php HTTP/1.1" 200 6393 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
178.62.180.164 - - \[07/Dec/2019:11:15:04 +0000\] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
...
2019-12-07 22:52:32
13.66.192.66 attackspambots
Dec  7 04:47:50 tdfoods sshd\[27407\]: Invalid user morange from 13.66.192.66
Dec  7 04:47:50 tdfoods sshd\[27407\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.66.192.66
Dec  7 04:47:51 tdfoods sshd\[27407\]: Failed password for invalid user morange from 13.66.192.66 port 52674 ssh2
Dec  7 04:54:54 tdfoods sshd\[28062\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.66.192.66  user=root
Dec  7 04:54:56 tdfoods sshd\[28062\]: Failed password for root from 13.66.192.66 port 36758 ssh2
2019-12-07 23:06:30
181.48.28.13 attackspam
$f2bV_matches
2019-12-07 23:06:50
68.170.36.100 attackbots
2019-12-07T07:23:39.745453MailD postfix/smtpd[13608]: NOQUEUE: reject: RCPT from 68-170-36-100.mammothnetworks.com[68.170.36.100]: 554 5.7.1 Service unavailable; Client host [68.170.36.100] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?68.170.36.100; from= to= proto=ESMTP helo=<68-170-36-100.mammothnetworks.com>
2019-12-07T07:23:40.114299MailD postfix/smtpd[13608]: NOQUEUE: reject: RCPT from 68-170-36-100.mammothnetworks.com[68.170.36.100]: 554 5.7.1 Service unavailable; Client host [68.170.36.100] blocked using bl.spamcop.net; Blocked - see https://www.spamcop.net/bl.shtml?68.170.36.100; from= to= proto=ESMTP helo=<68-170-36-100.mammothnetworks.com>
2019-12-07T07:23:40.464208MailD postfix/smtpd[13608]: NOQUEUE: reject: RCPT from 68-170-36-100.mammothnetworks.com[68.170.36.100]: 554 5.7.1 Service unavailable; Client host [68.170.36.100] blocked using bl.spamcop.ne
2019-12-07 22:43:28
167.71.159.129 attackspam
"SSH brute force auth login attempt."
2019-12-07 22:53:50
177.75.159.200 attackspambots
proto=tcp  .  spt=60992  .  dpt=25  .     (Found on   Dark List de Dec 07)     (266)
2019-12-07 22:57:22
178.33.45.156 attackbotsspam
SSH bruteforce (Triggered fail2ban)
2019-12-07 22:39:04
185.53.168.96 attack
SSH bruteforce
2019-12-07 22:28:11
58.210.6.54 attackspambots
Dec  7 09:37:22 mail sshd[10967]: Invalid user worku from 58.210.6.54
Dec  7 09:37:22 mail sshd[10967]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.210.6.54
Dec  7 09:37:22 mail sshd[10967]: Invalid user worku from 58.210.6.54
Dec  7 09:37:24 mail sshd[10967]: Failed password for invalid user worku from 58.210.6.54 port 58614 ssh2
...
2019-12-07 22:36:32
178.93.17.186 attackbotsspam
port scan and connect, tcp 23 (telnet)
2019-12-07 22:35:47
103.93.54.137 attack
Dec  7 00:19:00 hanapaa sshd\[17730\]: Invalid user wwwadmin from 103.93.54.137
Dec  7 00:19:00 hanapaa sshd\[17730\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.54.137
Dec  7 00:19:02 hanapaa sshd\[17730\]: Failed password for invalid user wwwadmin from 103.93.54.137 port 51776 ssh2
Dec  7 00:26:37 hanapaa sshd\[18398\]: Invalid user niblock from 103.93.54.137
Dec  7 00:26:37 hanapaa sshd\[18398\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.93.54.137
2019-12-07 22:41:29
186.159.2.57 attack
proto=tcp  .  spt=58729  .  dpt=25  .     (Found on   Dark List de Dec 07)     (273)
2019-12-07 22:32:44
166.111.71.34 attack
Dec  7 14:35:53 Ubuntu-1404-trusty-64-minimal sshd\[22149\]: Invalid user master from 166.111.71.34
Dec  7 14:35:53 Ubuntu-1404-trusty-64-minimal sshd\[22149\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.111.71.34
Dec  7 14:35:55 Ubuntu-1404-trusty-64-minimal sshd\[22149\]: Failed password for invalid user master from 166.111.71.34 port 50854 ssh2
Dec  7 14:45:05 Ubuntu-1404-trusty-64-minimal sshd\[27120\]: Invalid user redemption from 166.111.71.34
Dec  7 14:45:05 Ubuntu-1404-trusty-64-minimal sshd\[27120\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=166.111.71.34
2019-12-07 22:57:43

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