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: France

Internet Service Provider: OVH SAS

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspambots
Aug 17 02:41:05 webhost01 sshd[3235]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.21.6
Aug 17 02:41:08 webhost01 sshd[3235]: Failed password for invalid user ts3srv from 54.37.21.6 port 51629 ssh2
...
2019-08-17 04:01:56
attackspam
Aug 14 17:47:50 MK-Soft-VM7 sshd\[2176\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.21.6  user=root
Aug 14 17:47:52 MK-Soft-VM7 sshd\[2176\]: Failed password for root from 54.37.21.6 port 33880 ssh2
Aug 14 17:52:35 MK-Soft-VM7 sshd\[2187\]: Invalid user test from 54.37.21.6 port 58731
Aug 14 17:52:35 MK-Soft-VM7 sshd\[2187\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.21.6
...
2019-08-15 01:52:42
attackbots
Aug 14 02:45:25 mout sshd[19667]: Invalid user ruthie from 54.37.21.6 port 51661
2019-08-14 09:13:09
Comments on same subnet:
IP Type Details Datetime
54.37.21.211 attack
54.37.21.211 - - [09/Oct/2020:21:18:38 +0200] "GET /wp-login.php HTTP/1.1" 200 2566 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:21:18:38 +0200] "POST /wp-login.php HTTP/1.1" 200 2698 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:21:18:38 +0200] "GET /wp-login.php HTTP/1.1" 200 2566 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:21:18:38 +0200] "POST /wp-login.php HTTP/1.1" 200 2697 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:21:18:38 +0200] "GET /wp-login.php HTTP/1.1" 200 2566 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:21:18:38 +0200] "POST /wp-login.php HTTP/1.1" 200 2696 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/6
...
2020-10-10 04:55:39
54.37.21.211 attackbotsspam
54.37.21.211 - - [09/Oct/2020:03:04:48 +0100] "POST /wp-login.php HTTP/1.1" 200 1861 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:03:04:48 +0100] "POST /wp-login.php HTTP/1.1" 200 1839 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [09/Oct/2020:03:04:48 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-09 12:41:39
54.37.21.211 attackbots
54.37.21.211 - - [02/Oct/2020:11:14:49 +0200] "GET /wp-login.php HTTP/1.1" 200 8558 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [02/Oct/2020:11:14:50 +0200] "POST /wp-login.php HTTP/1.1" 200 8809 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [02/Oct/2020:11:14:50 +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"
2020-10-03 01:58:42
54.37.21.211 attackspam
54.37.21.211 - - [02/Oct/2020:11:14:49 +0200] "GET /wp-login.php HTTP/1.1" 200 8558 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [02/Oct/2020:11:14:50 +0200] "POST /wp-login.php HTTP/1.1" 200 8809 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [02/Oct/2020:11:14:50 +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"
2020-10-02 22:26:33
54.37.21.211 attackbotsspam
54.37.21.211 - - [02/Oct/2020:11:14:49 +0200] "GET /wp-login.php HTTP/1.1" 200 8558 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [02/Oct/2020:11:14:50 +0200] "POST /wp-login.php HTTP/1.1" 200 8809 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [02/Oct/2020:11:14:50 +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"
2020-10-02 18:58:08
54.37.21.211 attack
AbusiveCrawling
2020-10-02 15:33:18
54.37.21.211 attackspambots
54.37.21.211 - - [21/Sep/2020:07:48:10 +0200] "GET /wp-login.php HTTP/1.1" 200 9184 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [21/Sep/2020:07:48:11 +0200] "POST /wp-login.php HTTP/1.1" 200 9435 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [21/Sep/2020:07:48:11 +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"
2020-09-21 22:18:34
54.37.21.211 attackspam
54.37.21.211 - - [21/Sep/2020:07:48:10 +0200] "GET /wp-login.php HTTP/1.1" 200 9184 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [21/Sep/2020:07:48:11 +0200] "POST /wp-login.php HTTP/1.1" 200 9435 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [21/Sep/2020:07:48:11 +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"
2020-09-21 14:05:24
54.37.21.211 attackbots
54.37.21.211 - - [20/Sep/2020:21:37:01 +0000] "POST /wp-login.php HTTP/1.1" 200 2077 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" "-"
54.37.21.211 - - [20/Sep/2020:21:37:03 +0000] "POST /wp-login.php HTTP/1.1" 200 2055 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" "-"
54.37.21.211 - - [20/Sep/2020:21:37:05 +0000] "POST /wp-login.php HTTP/1.1" 200 2052 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" "-"
54.37.21.211 - - [20/Sep/2020:21:37:06 +0000] "POST /wp-login.php HTTP/1.1" 200 2052 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" "-"
54.37.21.211 - - [20/Sep/2020:21:37:07 +0000] "POST /xmlrpc.php HTTP/1.1" 200 236 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0" "-"
2020-09-21 05:55:25
54.37.21.211 attackbotsspam
Automatic report - XMLRPC Attack
2020-08-27 12:51:29
54.37.21.211 attackbotsspam
54.37.21.211 - - [21/Aug/2020:07:52:48 +0100] "POST /wp-login.php HTTP/1.1" 200 2082 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [21/Aug/2020:07:52:49 +0100] "POST /wp-login.php HTTP/1.1" 200 2081 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [21/Aug/2020:07:52:50 +0100] "POST /wp-login.php HTTP/1.1" 200 2084 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-21 15:34:48
54.37.21.211 attackbotsspam
54.37.21.211 - - [19/Aug/2020:08:10:17 +0100] "POST /wp-login.php HTTP/1.1" 200 1996 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [19/Aug/2020:08:10:17 +0100] "POST /wp-login.php HTTP/1.1" 200 2000 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [19/Aug/2020:08:10:17 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-19 15:33:14
54.37.21.211 attack
Attempt to hack Wordpress Login, XMLRPC or other login
2020-08-04 16:19:32
54.37.21.211 attack
54.37.21.211 - - [29/Jul/2020:13:12:24 +0100] "POST /wp-login.php HTTP/1.1" 200 2305 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [29/Jul/2020:13:12:24 +0100] "POST /wp-login.php HTTP/1.1" 200 2329 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
54.37.21.211 - - [29/Jul/2020:13:12:25 +0100] "POST /xmlrpc.php HTTP/1.1" 200 247 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-07-29 22:16:12
54.37.21.211 attackspambots
C1,WP GET /lesemaus/wp-login.php
2020-07-24 04:44:24
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 54.37.21.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38481
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;54.37.21.6.			IN	A

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019081301 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Wed Aug 14 09:13:03 CST 2019
;; MSG SIZE  rcvd: 114
Host info
6.21.37.54.in-addr.arpa domain name pointer crm.alphavalue.com.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
6.21.37.54.in-addr.arpa	name = crm.alphavalue.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
220.184.96.106 attack
Brute forcing email accounts
2020-09-25 17:52:41
101.132.128.224 attackbots
Sep 24 16:31:10 r.ca sshd[12668]: Failed password for root from 101.132.128.224 port 37330 ssh2
2020-09-25 17:37:16
112.85.42.200 attack
detected by Fail2Ban
2020-09-25 17:32:38
106.13.173.137 attack
2020-09-25T00:11:30.506764yoshi.linuxbox.ninja sshd[3422970]: Invalid user irene from 106.13.173.137 port 50112
2020-09-25T00:11:32.973136yoshi.linuxbox.ninja sshd[3422970]: Failed password for invalid user irene from 106.13.173.137 port 50112 ssh2
2020-09-25T00:15:43.000665yoshi.linuxbox.ninja sshd[3425871]: Invalid user upload from 106.13.173.137 port 44166
...
2020-09-25 18:01:53
100.25.3.151 attack
2020-09-25T02:54:27.282275ks3355764 sshd[6155]: Invalid user postgres from 100.25.3.151 port 53104
2020-09-25T02:54:29.779135ks3355764 sshd[6155]: Failed password for invalid user postgres from 100.25.3.151 port 53104 ssh2
...
2020-09-25 17:43:06
222.186.31.83 attackbots
Sep 25 11:41:39 eventyay sshd[2057]: Failed password for root from 222.186.31.83 port 34489 ssh2
Sep 25 11:41:49 eventyay sshd[2075]: Failed password for root from 222.186.31.83 port 23740 ssh2
...
2020-09-25 17:43:55
49.80.63.175 attackspam
Brute force blocker - service: proftpd1 - aantal: 33 - Tue Aug 28 05:55:16 2018
2020-09-25 17:23:06
165.22.43.225 attackbots
Sep 25 11:31:36 jane sshd[12454]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.22.43.225 
Sep 25 11:31:39 jane sshd[12454]: Failed password for invalid user PlcmSpIp from 165.22.43.225 port 40620 ssh2
...
2020-09-25 17:36:22
212.70.149.83 attackspambots
Sep 25 11:51:14 cho postfix/smtpd[3638295]: warning: unknown[212.70.149.83]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 11:51:40 cho postfix/smtpd[3638722]: warning: unknown[212.70.149.83]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 11:52:06 cho postfix/smtpd[3638822]: warning: unknown[212.70.149.83]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 11:52:32 cho postfix/smtpd[3638822]: warning: unknown[212.70.149.83]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 25 11:52:58 cho postfix/smtpd[3638822]: warning: unknown[212.70.149.83]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-25 17:56:12
106.13.233.251 attackspam
SSH invalid-user multiple login attempts
2020-09-25 17:58:17
218.92.0.173 attackbots
Sep 24 23:23:08 web9 sshd\[18841\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
Sep 24 23:23:09 web9 sshd\[18841\]: Failed password for root from 218.92.0.173 port 39130 ssh2
Sep 24 23:23:13 web9 sshd\[18841\]: Failed password for root from 218.92.0.173 port 39130 ssh2
Sep 24 23:23:22 web9 sshd\[18841\]: Failed password for root from 218.92.0.173 port 39130 ssh2
Sep 24 23:23:26 web9 sshd\[18875\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.173  user=root
2020-09-25 17:23:49
182.126.196.8 attackspam
Looking for boaform
2020-09-25 18:00:24
167.114.96.156 attack
sshd: Failed password for invalid user .... from 167.114.96.156 port 44708 ssh2 (4 attempts)
2020-09-25 17:18:28
5.101.40.9 attack
lfd: (smtpauth) Failed SMTP AUTH login from 5.101.40.9 (RU/Russia/-): 5 in the last 3600 secs - Mon Aug 27 08:14:05 2018
2020-09-25 17:27:28
218.164.185.187 attackbotsspam
Honeypot attack, port: 445, PTR: 218-164-185-187.dynamic-ip.hinet.net.
2020-09-25 17:42:14

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