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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.37.39
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 29303
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.39.			IN	A

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

;; Query time: 90 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:24:56 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 39.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 39.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
148.70.223.115 attackbotsspam
2020-05-13T18:46:53.049590abusebot-2.cloudsearch.cf sshd[10027]: Invalid user ubnt from 148.70.223.115 port 35108
2020-05-13T18:46:53.055904abusebot-2.cloudsearch.cf sshd[10027]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.223.115
2020-05-13T18:46:53.049590abusebot-2.cloudsearch.cf sshd[10027]: Invalid user ubnt from 148.70.223.115 port 35108
2020-05-13T18:46:54.741343abusebot-2.cloudsearch.cf sshd[10027]: Failed password for invalid user ubnt from 148.70.223.115 port 35108 ssh2
2020-05-13T18:51:53.782737abusebot-2.cloudsearch.cf sshd[10082]: Invalid user mpiuser from 148.70.223.115 port 35538
2020-05-13T18:51:53.789601abusebot-2.cloudsearch.cf sshd[10082]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.223.115
2020-05-13T18:51:53.782737abusebot-2.cloudsearch.cf sshd[10082]: Invalid user mpiuser from 148.70.223.115 port 35538
2020-05-13T18:51:55.324671abusebot-2.cloudsearch.cf sshd[10082]
...
2020-05-14 04:55:19
103.145.12.114 attackbotsspam
[2020-05-13 14:24:02] NOTICE[1157][C-000044cc] chan_sip.c: Call from '' (103.145.12.114:58297) to extension '0046313116026' rejected because extension not found in context 'public'.
[2020-05-13 14:24:02] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-13T14:24:02.320-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0046313116026",SessionID="0x7f5f106f5588",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103.145.12.114/58297",ACLName="no_extension_match"
[2020-05-13 14:29:53] NOTICE[1157][C-000044d4] chan_sip.c: Call from '' (103.145.12.114:62626) to extension '01146313116026' rejected because extension not found in context 'public'.
[2020-05-13 14:29:53] SECURITY[1173] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-05-13T14:29:53.172-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="01146313116026",SessionID="0x7f5f100266a8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/103
...
2020-05-14 05:08:25
50.63.161.42 attackbots
50.63.161.42 - - \[13/May/2020:23:09:00 +0200\] "POST /wp-login.php HTTP/1.0" 200 7318 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
50.63.161.42 - - \[13/May/2020:23:09:02 +0200\] "POST /wp-login.php HTTP/1.0" 200 7318 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
50.63.161.42 - - \[13/May/2020:23:09:03 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 802 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-05-14 05:30:26
200.35.40.78 attack
Exploit Attempt
2020-05-14 05:01:12
123.207.178.45 attackbots
May 13 22:44:19 MainVPS sshd[23766]: Invalid user maddalen from 123.207.178.45 port 18741
May 13 22:44:19 MainVPS sshd[23766]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.178.45
May 13 22:44:19 MainVPS sshd[23766]: Invalid user maddalen from 123.207.178.45 port 18741
May 13 22:44:21 MainVPS sshd[23766]: Failed password for invalid user maddalen from 123.207.178.45 port 18741 ssh2
May 13 22:47:45 MainVPS sshd[27038]: Invalid user tony from 123.207.178.45 port 17784
...
2020-05-14 05:00:22
45.138.132.29 attack
xmlrpc attack
2020-05-14 05:04:57
113.88.165.81 attack
May 12 13:52:50 mail sshd[28689]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.88.165.81  user=r.r
May 12 13:52:51 mail sshd[28689]: Failed password for r.r from 113.88.165.81 port 45668 ssh2
May 12 13:52:52 mail sshd[28689]: Received disconnect from 113.88.165.81 port 45668:11: Bye Bye [preauth]
May 12 13:52:52 mail sshd[28689]: Disconnected from 113.88.165.81 port 45668 [preauth]
May 12 14:01:48 mail sshd[28739]: Invalid user ibp from 113.88.165.81
May 12 14:01:48 mail sshd[28739]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.88.165.81
May 12 14:01:51 mail sshd[28739]: Failed password for invalid user ibp from 113.88.165.81 port 46374 ssh2
May 12 14:01:51 mail sshd[28739]: Received disconnect from 113.88.165.81 port 46374:11: Bye Bye [preauth]
May 12 14:01:51 mail sshd[28739]: Disconnected from 113.88.165.81 port 46374 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/
2020-05-14 04:58:22
189.163.0.42 attackbotsspam
Invalid user atila from 189.163.0.42 port 49414
2020-05-14 05:07:29
195.154.188.108 attack
Invalid user vikram from 195.154.188.108 port 36082
2020-05-14 05:11:06
190.74.127.118 attackbots
Unauthorized connection attempt from IP address 190.74.127.118 on Port 445(SMB)
2020-05-14 05:00:07
185.24.233.166 attackspambots
"GET /owa/auth/logon.aspx?replaceCurrent=1&url=http%253A%252F%252Fowa.pop3.XXX.com%252Fowa%252F HTTP/1.1"
2020-05-14 05:17:09
49.235.92.208 attack
20 attempts against mh-ssh on install-test
2020-05-14 04:56:45
80.211.249.187 attackspambots
May 13 17:05:04 lanister sshd[25339]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.249.187
May 13 17:05:04 lanister sshd[25339]: Invalid user search from 80.211.249.187
May 13 17:05:07 lanister sshd[25339]: Failed password for invalid user search from 80.211.249.187 port 47198 ssh2
May 13 17:09:11 lanister sshd[25458]: Invalid user mmy from 80.211.249.187
2020-05-14 05:26:03
93.78.232.119 attackspambots
Automatic report - SSH Brute-Force Attack
2020-05-14 05:18:17
106.12.192.120 attackbotsspam
May 13 23:04:39 srv-ubuntu-dev3 sshd[5873]: Invalid user testuser from 106.12.192.120
May 13 23:04:39 srv-ubuntu-dev3 sshd[5873]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.192.120
May 13 23:04:39 srv-ubuntu-dev3 sshd[5873]: Invalid user testuser from 106.12.192.120
May 13 23:04:40 srv-ubuntu-dev3 sshd[5873]: Failed password for invalid user testuser from 106.12.192.120 port 45440 ssh2
May 13 23:07:07 srv-ubuntu-dev3 sshd[6356]: Invalid user sbserver from 106.12.192.120
May 13 23:07:07 srv-ubuntu-dev3 sshd[6356]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.192.120
May 13 23:07:07 srv-ubuntu-dev3 sshd[6356]: Invalid user sbserver from 106.12.192.120
May 13 23:07:09 srv-ubuntu-dev3 sshd[6356]: Failed password for invalid user sbserver from 106.12.192.120 port 46324 ssh2
May 13 23:09:15 srv-ubuntu-dev3 sshd[6658]: Invalid user ky from 106.12.192.120
...
2020-05-14 05:20:59

Recently Reported IPs

104.21.37.38 104.21.37.41 104.21.37.42 104.21.37.43
104.21.37.44 170.195.35.69 104.21.37.46 23.7.141.116
104.21.37.50 104.21.37.51 104.21.37.53 104.21.37.54
104.21.37.57 104.21.37.59 104.21.37.61 86.193.181.3
104.21.37.66 104.21.37.68 104.21.37.72 104.21.37.76