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 <<>> 104.21.37.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28424
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.37.138.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:26:28 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 138.37.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.37.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
35.204.42.60 attack
35.204.42.60 - - [01/Jun/2020:22:21:00 +0200] "GET /wp-login.php HTTP/1.1" 200 6614 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
35.204.42.60 - - [01/Jun/2020:22:21:02 +0200] "POST /wp-login.php HTTP/1.1" 200 6865 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
35.204.42.60 - - [01/Jun/2020:22:21:03 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-06-02 04:24:48
193.242.159.158 attack
Port Scan detected!
...
2020-06-02 04:01:16
80.211.116.102 attackbots
SSH bruteforce
2020-06-02 04:13:18
134.209.71.245 attackspambots
Jun  1 22:18:18 nextcloud sshd\[32074\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.71.245  user=root
Jun  1 22:18:20 nextcloud sshd\[32074\]: Failed password for root from 134.209.71.245 port 55778 ssh2
Jun  1 22:20:56 nextcloud sshd\[3903\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.71.245  user=root
2020-06-02 04:28:32
162.243.136.201 attackbotsspam
Port Scan detected!
...
2020-06-02 03:58:43
162.243.144.211 attack
scans once in preceeding hours on the ports (in chronological order) 8087 resulting in total of 54 scans from 162.243.0.0/16 block.
2020-06-02 04:19:50
212.129.152.27 attackspam
Jun  1 22:13:49 server sshd[29187]: Failed password for root from 212.129.152.27 port 44100 ssh2
Jun  1 22:16:15 server sshd[29443]: Failed password for root from 212.129.152.27 port 43130 ssh2
...
2020-06-02 04:33:51
109.115.187.31 attackbotsspam
2020-06-01T21:19:40.403206vps751288.ovh.net sshd\[8528\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.115.187.31  user=root
2020-06-01T21:19:42.544945vps751288.ovh.net sshd\[8528\]: Failed password for root from 109.115.187.31 port 56870 ssh2
2020-06-01T21:23:17.856759vps751288.ovh.net sshd\[8542\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.115.187.31  user=root
2020-06-01T21:23:19.456282vps751288.ovh.net sshd\[8542\]: Failed password for root from 109.115.187.31 port 34196 ssh2
2020-06-01T21:26:56.930554vps751288.ovh.net sshd\[8552\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.115.187.31  user=root
2020-06-02 04:14:34
50.249.107.109 attack
RDPBruteFlS
2020-06-02 04:34:20
117.66.243.77 attackspam
$f2bV_matches
2020-06-02 04:28:51
222.186.30.76 attack
Jun  1 16:24:48 NPSTNNYC01T sshd[26643]: Failed password for root from 222.186.30.76 port 20315 ssh2
Jun  1 16:24:57 NPSTNNYC01T sshd[26654]: Failed password for root from 222.186.30.76 port 44984 ssh2
...
2020-06-02 04:25:27
185.234.216.87 attackspam
2020-06-01T14:01:32+02:00  exim[3777]: fixed_login authenticator failed for (s8pE4J) [185.234.216.87]: 535 Incorrect authentication data (set_id=test)
2020-06-02 04:11:09
94.183.252.248 attack
1591012958 - 06/01/2020 19:02:38 Host: 94-183-252-248.shatel.ir/94.183.252.248 Port: 23 TCP Blocked
...
2020-06-02 04:04:45
122.102.25.226 attackbotsspam
Fail2Ban Ban Triggered
2020-06-02 04:16:57
43.254.11.42 attack
43.254.11.42 - - \[01/Jun/2020:22:20:38 +0200\] "POST /wp-login.php HTTP/1.0" 200 4128 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
43.254.11.42 - - \[01/Jun/2020:22:20:51 +0200\] "POST /wp-login.php HTTP/1.0" 200 4134 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
43.254.11.42 - - \[01/Jun/2020:22:20:57 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 736 "-" "Mozilla/5.0 \(X11\; Ubuntu\; Linux x86_64\; rv:62.0\) Gecko/20100101 Firefox/62.0"
2020-06-02 04:28:14

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