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 <<>> 104.21.40.40
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 46750
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.40.			IN	A

;; AUTHORITY SECTION:
.			598	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022201 1800 900 604800 86400

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 23 03:59:09 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 40.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 40.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.224.126.168 attackbotsspam
Jul 15 04:25:43 vps647732 sshd[32169]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.224.126.168
Jul 15 04:25:45 vps647732 sshd[32169]: Failed password for invalid user docker from 45.224.126.168 port 44088 ssh2
...
2019-07-15 11:44:35
60.8.213.120 attackspambots
Automatic report - Port Scan Attack
2019-07-15 12:19:18
62.210.151.21 attackbots
\[2019-07-14 23:44:54\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-14T23:44:54.865-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="913054404227",SessionID="0x7f06f803c558",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/53760",ACLName="no_extension_match"
\[2019-07-14 23:45:04\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-14T23:45:04.984-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="13054404227",SessionID="0x7f06f8000978",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/50435",ACLName="no_extension_match"
\[2019-07-14 23:45:14\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-14T23:45:14.940-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="913054404227",SessionID="0x7f06f80347c8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/62.210.151.21/64315",ACLName="no_extension_
2019-07-15 12:15:12
201.27.122.82 attackspambots
Automatic report - Port Scan Attack
2019-07-15 11:52:02
201.20.73.195 attackspam
leo_www
2019-07-15 11:46:16
216.116.4.232 attackbots
Lines containing failures of 216.116.4.232
Jul 14 22:43:45 srv02 sshd[23217]: Invalid user admin from 216.116.4.232 port 41018
Jul 14 22:43:45 srv02 sshd[23217]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=216.116.4.232
Jul 14 22:43:47 srv02 sshd[23217]: Failed password for invalid user admin from 216.116.4.232 port 41018 ssh2
Jul 14 22:43:48 srv02 sshd[23217]: Connection closed by invalid user admin 216.116.4.232 port 41018 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=216.116.4.232
2019-07-15 12:26:59
103.115.227.2 attackbots
Jul 15 05:01:35 hosting sshd[10708]: Invalid user mailer from 103.115.227.2 port 14654
...
2019-07-15 11:43:08
185.211.245.198 attackbotsspam
Jul 15 04:53:12 mail postfix/smtpd\[12117\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 15 04:53:22 mail postfix/smtpd\[12750\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 15 04:55:29 mail postfix/smtpd\[11805\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Jul 15 05:42:27 mail postfix/smtpd\[14438\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-07-15 11:49:54
139.199.108.70 attackspam
Jul 15 06:15:34 mail sshd\[31837\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.108.70  user=root
Jul 15 06:15:36 mail sshd\[31837\]: Failed password for root from 139.199.108.70 port 36874 ssh2
Jul 15 06:19:31 mail sshd\[32461\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.199.108.70  user=root
Jul 15 06:19:33 mail sshd\[32461\]: Failed password for root from 139.199.108.70 port 45432 ssh2
Jul 15 06:23:23 mail sshd\[591\]: Invalid user ts from 139.199.108.70 port 53982
2019-07-15 12:36:56
13.113.67.114 attack
villaromeo.de 13.113.67.114 \[14/Jul/2019:23:08:32 +0200\] "POST /wp-login.php HTTP/1.1" 200 2061 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
villaromeo.de 13.113.67.114 \[14/Jul/2019:23:08:33 +0200\] "POST /wp-login.php HTTP/1.1" 200 2026 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
villaromeo.de 13.113.67.114 \[14/Jul/2019:23:08:34 +0200\] "POST /wp-login.php HTTP/1.1" 200 2025 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2019-07-15 11:44:07
185.222.211.235 attack
SSH/SMTP Brute Force
2019-07-15 12:40:51
37.14.204.204 attackbots
Multiple SSH auth failures recorded by fail2ban
2019-07-15 12:17:28
51.68.141.62 attackbots
Invalid user temp from 51.68.141.62 port 34202
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.141.62
Failed password for invalid user temp from 51.68.141.62 port 34202 ssh2
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.141.62  user=root
Failed password for root from 51.68.141.62 port 54642 ssh2
2019-07-15 12:32:46
37.139.13.105 attackspam
Jul 15 04:31:35 MK-Soft-VM6 sshd\[8031\]: Invalid user www from 37.139.13.105 port 49536
Jul 15 04:31:35 MK-Soft-VM6 sshd\[8031\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=37.139.13.105
Jul 15 04:31:36 MK-Soft-VM6 sshd\[8031\]: Failed password for invalid user www from 37.139.13.105 port 49536 ssh2
...
2019-07-15 12:39:24
49.69.144.219 attackspambots
Jul 14 22:47:39 mxgate1 postfix/postscreen[5349]: CONNECT from [49.69.144.219]:51945 to [176.31.12.44]:25
Jul 14 22:47:39 mxgate1 postfix/dnsblog[5366]: addr 49.69.144.219 listed by domain zen.spamhaus.org as 127.0.0.11
Jul 14 22:47:45 mxgate1 postfix/postscreen[5349]: DNSBL rank 2 for [49.69.144.219]:51945
Jul x@x
Jul 14 22:47:46 mxgate1 postfix/postscreen[5349]: DISCONNECT [49.69.144.219]:51945


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=49.69.144.219
2019-07-15 12:44:33

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