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: Germany

Internet Service Provider: D-hosting die Rackspace & Connectivity GmbH

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackbots
Oct  7 02:13:19 ns382633 sshd\[13348\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Oct  7 02:13:21 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:22 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:24 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:27 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
2020-10-08 03:59:32
attackbots
Oct  7 02:13:19 ns382633 sshd\[13348\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Oct  7 02:13:21 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:22 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:24 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:27 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
2020-10-07 20:17:42
attackbotsspam
Oct  7 02:13:19 ns382633 sshd\[13348\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Oct  7 02:13:21 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:22 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:24 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
Oct  7 02:13:27 ns382633 sshd\[13348\]: Failed password for root from 212.21.66.6 port 37222 ssh2
2020-10-07 12:00:58
attackspambots
2020-09-19T17:40[Censored Hostname] sshd[25360]: Failed password for root from 212.21.66.6 port 47015 ssh2
2020-09-19T17:40[Censored Hostname] sshd[25360]: Failed password for root from 212.21.66.6 port 47015 ssh2
2020-09-19T17:40[Censored Hostname] sshd[25360]: Failed password for root from 212.21.66.6 port 47015 ssh2[...]
2020-09-20 01:10:12
attackbotsspam
$f2bV_matches
2020-09-19 16:59:11
attackspambots
Aug 30 20:25:30 ourumov-web sshd\[31157\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Aug 30 20:25:32 ourumov-web sshd\[31157\]: Failed password for root from 212.21.66.6 port 52724 ssh2
Aug 30 20:25:34 ourumov-web sshd\[31157\]: Failed password for root from 212.21.66.6 port 52724 ssh2
...
2020-08-31 02:30:48
attack
Aug 29 01:12:28 h1745522 sshd[1133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=sshd
Aug 29 01:12:31 h1745522 sshd[1133]: Failed password for sshd from 212.21.66.6 port 47990 ssh2
Aug 29 01:12:31 h1745522 sshd[1133]: Failed password for sshd from 212.21.66.6 port 47990 ssh2
Aug 29 01:12:28 h1745522 sshd[1133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=sshd
Aug 29 01:12:31 h1745522 sshd[1133]: Failed password for sshd from 212.21.66.6 port 47990 ssh2
Aug 29 01:12:31 h1745522 sshd[1133]: Failed password for sshd from 212.21.66.6 port 47990 ssh2
Aug 29 01:12:28 h1745522 sshd[1133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=sshd
Aug 29 01:12:31 h1745522 sshd[1133]: Failed password for sshd from 212.21.66.6 port 47990 ssh2
Aug 29 01:12:31 h1745522 sshd[1133]: Failed password for sshd from 212.21.66.6 po
...
2020-08-29 08:15:55
attackspam
2020-08-28T18:50:21.654501snf-827550 sshd[25291]: Failed password for root from 212.21.66.6 port 53789 ssh2
2020-08-28T18:50:24.052157snf-827550 sshd[25291]: Failed password for root from 212.21.66.6 port 53789 ssh2
2020-08-28T18:50:27.095844snf-827550 sshd[25291]: Failed password for root from 212.21.66.6 port 53789 ssh2
...
2020-08-29 01:06:43
attack
Jul 25 05:55:49 mout sshd[15585]: Failed password for sshd from 212.21.66.6 port 13782 ssh2
Jul 25 05:55:52 mout sshd[15585]: Failed password for sshd from 212.21.66.6 port 13782 ssh2
Jul 25 05:55:52 mout sshd[15585]: Connection closed by authenticating user sshd 212.21.66.6 port 13782 [preauth]
2020-07-25 12:25:41
attack
Unauthorized connection attempt detected from IP address 212.21.66.6 to port 110
2020-07-12 19:04:26
attackbotsspam
Jun 10 02:55:33 localhost sshd\[19343\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Jun 10 02:55:35 localhost sshd\[19343\]: Failed password for root from 212.21.66.6 port 29431 ssh2
Jun 10 03:50:12 localhost sshd\[20280\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
...
2020-06-10 16:24:56
attack
Jun  8 07:48:29 [Censored Hostname] sshd[8735]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6 
Jun  8 07:48:32 [Censored Hostname] sshd[8735]: Failed password for invalid user erik from 212.21.66.6 port 1110 ssh2[...]
2020-06-08 14:27:04
attackspam
WordPress user registration, really-simple-captcha js check bypass
2020-06-02 22:43:38
attackbots
Automatic report - Banned IP Access
2020-04-28 18:47:01
attack
Mar 25 13:49:41 vpn01 sshd[2271]: Failed password for root from 212.21.66.6 port 10210 ssh2
Mar 25 13:49:43 vpn01 sshd[2271]: Failed password for root from 212.21.66.6 port 10210 ssh2
...
2020-03-25 22:55:59
attack
(sshd) Failed SSH login from 212.21.66.6 (DE/Germany/tor-exit-4.all.de): 3 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Feb 19 13:36:30 andromeda sshd[28670]: Invalid user abba from 212.21.66.6 port 12846
Feb 19 13:36:32 andromeda sshd[28670]: Failed password for invalid user abba from 212.21.66.6 port 12846 ssh2
Feb 19 13:36:35 andromeda sshd[28670]: Failed password for invalid user abba from 212.21.66.6 port 12846 ssh2
2020-02-19 23:40:29
attackspam
Nov 23 12:45:21 tdfoods sshd\[2479\]: Invalid user vagrant from 212.21.66.6
Nov 23 12:45:21 tdfoods sshd\[2479\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=tor-exit-4.all.de
Nov 23 12:45:23 tdfoods sshd\[2479\]: Failed password for invalid user vagrant from 212.21.66.6 port 24247 ssh2
Nov 23 12:45:26 tdfoods sshd\[2479\]: Failed password for invalid user vagrant from 212.21.66.6 port 24247 ssh2
Nov 23 12:45:28 tdfoods sshd\[2479\]: Failed password for invalid user vagrant from 212.21.66.6 port 24247 ssh2
2019-11-24 07:24:21
attack
Automatic report - Banned IP Access
2019-11-22 22:01:06
attackbots
Oct 22 13:51:44 rotator sshd\[19830\]: Failed password for root from 212.21.66.6 port 31461 ssh2Oct 22 13:51:47 rotator sshd\[19830\]: Failed password for root from 212.21.66.6 port 31461 ssh2Oct 22 13:51:49 rotator sshd\[19830\]: Failed password for root from 212.21.66.6 port 31461 ssh2Oct 22 13:51:52 rotator sshd\[19830\]: Failed password for root from 212.21.66.6 port 31461 ssh2Oct 22 13:51:55 rotator sshd\[19830\]: Failed password for root from 212.21.66.6 port 31461 ssh2Oct 22 13:51:58 rotator sshd\[19830\]: Failed password for root from 212.21.66.6 port 31461 ssh2
...
2019-10-22 21:21:21
attack
Oct 19 05:58:13 rotator sshd\[22495\]: Failed password for root from 212.21.66.6 port 28215 ssh2Oct 19 05:58:15 rotator sshd\[22495\]: Failed password for root from 212.21.66.6 port 28215 ssh2Oct 19 05:58:18 rotator sshd\[22495\]: Failed password for root from 212.21.66.6 port 28215 ssh2Oct 19 05:58:21 rotator sshd\[22495\]: Failed password for root from 212.21.66.6 port 28215 ssh2Oct 19 05:58:23 rotator sshd\[22495\]: Failed password for root from 212.21.66.6 port 28215 ssh2Oct 19 05:58:25 rotator sshd\[22495\]: Failed password for root from 212.21.66.6 port 28215 ssh2
...
2019-10-19 12:19:09
attack
Oct 17 19:45:46 rotator sshd\[20640\]: Failed password for root from 212.21.66.6 port 4714 ssh2Oct 17 19:45:49 rotator sshd\[20640\]: Failed password for root from 212.21.66.6 port 4714 ssh2Oct 17 19:45:51 rotator sshd\[20640\]: Failed password for root from 212.21.66.6 port 4714 ssh2Oct 17 19:45:53 rotator sshd\[20640\]: Failed password for root from 212.21.66.6 port 4714 ssh2Oct 17 19:45:56 rotator sshd\[20640\]: Failed password for root from 212.21.66.6 port 4714 ssh2Oct 17 19:45:59 rotator sshd\[20640\]: Failed password for root from 212.21.66.6 port 4714 ssh2
...
2019-10-18 01:49:10
attack
Aug  4 04:51:47 server sshd\[243290\]: Invalid user administrator from 212.21.66.6
Aug  4 04:51:47 server sshd\[243290\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6
Aug  4 04:51:49 server sshd\[243290\]: Failed password for invalid user administrator from 212.21.66.6 port 30192 ssh2
...
2019-10-09 13:44:31
attackspam
Sep 30 17:11:48 rotator sshd\[18482\]: Failed password for root from 212.21.66.6 port 21035 ssh2Sep 30 17:11:51 rotator sshd\[18482\]: Failed password for root from 212.21.66.6 port 21035 ssh2Sep 30 17:11:54 rotator sshd\[18482\]: Failed password for root from 212.21.66.6 port 21035 ssh2Sep 30 17:11:57 rotator sshd\[18482\]: Failed password for root from 212.21.66.6 port 21035 ssh2Sep 30 17:11:59 rotator sshd\[18482\]: Failed password for root from 212.21.66.6 port 21035 ssh2Sep 30 17:12:02 rotator sshd\[18482\]: Failed password for root from 212.21.66.6 port 21035 ssh2
...
2019-09-30 23:34:04
attackspambots
ssh intrusion attempt
2019-09-04 17:02:34
attackspambots
Sep  3 22:36:56 dev0-dcfr-rnet sshd[26453]: Failed password for root from 212.21.66.6 port 4769 ssh2
Sep  3 22:37:06 dev0-dcfr-rnet sshd[26453]: Failed password for root from 212.21.66.6 port 4769 ssh2
Sep  3 22:37:08 dev0-dcfr-rnet sshd[26453]: Failed password for root from 212.21.66.6 port 4769 ssh2
Sep  3 22:37:08 dev0-dcfr-rnet sshd[26453]: error: maximum authentication attempts exceeded for root from 212.21.66.6 port 4769 ssh2 [preauth]
2019-09-04 04:50:27
attack
Aug 30 16:49:09 vpn01 sshd\[16990\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Aug 30 16:49:11 vpn01 sshd\[16990\]: Failed password for root from 212.21.66.6 port 28225 ssh2
Aug 30 16:49:14 vpn01 sshd\[16990\]: Failed password for root from 212.21.66.6 port 28225 ssh2
2019-08-30 23:41:22
attackbots
Aug 28 17:15:59 vpn01 sshd\[3560\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
Aug 28 17:16:01 vpn01 sshd\[3560\]: Failed password for root from 212.21.66.6 port 30234 ssh2
Aug 28 17:32:44 vpn01 sshd\[3672\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.21.66.6  user=root
2019-08-29 05:34:24
attack
Aug 28 13:31:11 rotator sshd\[26577\]: Failed password for root from 212.21.66.6 port 6741 ssh2Aug 28 13:31:13 rotator sshd\[26577\]: Failed password for root from 212.21.66.6 port 6741 ssh2Aug 28 13:31:15 rotator sshd\[26577\]: Failed password for root from 212.21.66.6 port 6741 ssh2Aug 28 13:31:18 rotator sshd\[26577\]: Failed password for root from 212.21.66.6 port 6741 ssh2Aug 28 13:31:21 rotator sshd\[26577\]: Failed password for root from 212.21.66.6 port 6741 ssh2Aug 28 13:31:23 rotator sshd\[26577\]: Failed password for root from 212.21.66.6 port 6741 ssh2
...
2019-08-28 20:32:52
attackspam
Automated report - ssh fail2ban:
Aug 27 21:40:32 wrong password, user=root, port=16953, ssh2
Aug 27 21:40:36 wrong password, user=root, port=16953, ssh2
Aug 27 21:40:39 wrong password, user=root, port=16953, ssh2
Aug 27 21:40:42 wrong password, user=root, port=16953, ssh2
2019-08-28 04:04:30
attackbotsspam
SSH Brute-Force reported by Fail2Ban
2019-08-27 03:08:56
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 212.21.66.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24459
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019060101 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Sun Jun 02 09:47:30 CST 2019
;; MSG SIZE  rcvd: 115

Host info
6.66.21.212.in-addr.arpa domain name pointer tor-exit-4.all.de.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
6.66.21.212.in-addr.arpa	name = tor-exit-4.all.de.

Authoritative answers can be found from:

Related IP info:
Related comments:
IP Type Details Datetime
213.217.1.225 attackbots
Jun 18 13:14:12 debian-2gb-nbg1-2 kernel: \[14737546.738818\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=213.217.1.225 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=5366 PROTO=TCP SPT=42166 DPT=47727 WINDOW=1024 RES=0x00 SYN URGP=0
2020-06-18 19:21:51
202.105.98.210 attack
Jun 18 11:46:10 Invalid user ftptest from 202.105.98.210 port 42686
2020-06-18 19:27:02
5.39.95.38 attackspambots
Invalid user deployer from 5.39.95.38 port 42242
2020-06-18 19:11:54
138.197.175.236 attackspam
Invalid user cynthia from 138.197.175.236 port 49056
2020-06-18 19:31:23
197.214.67.241 attackspam
Lines containing failures of 197.214.67.241
Jun 17 05:35:51 zabbix sshd[16370]: Invalid user virl from 197.214.67.241 port 46292
Jun 17 05:35:51 zabbix sshd[16370]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.214.67.241
Jun 17 05:35:53 zabbix sshd[16370]: Failed password for invalid user virl from 197.214.67.241 port 46292 ssh2
Jun 17 05:35:53 zabbix sshd[16370]: Received disconnect from 197.214.67.241 port 46292:11: Bye Bye [preauth]
Jun 17 05:35:53 zabbix sshd[16370]: Disconnected from invalid user virl 197.214.67.241 port 46292 [preauth]
Jun 17 05:49:14 zabbix sshd[17361]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.214.67.241  user=r.r
Jun 17 05:49:17 zabbix sshd[17361]: Failed password for r.r from 197.214.67.241 port 60894 ssh2
Jun 17 05:49:17 zabbix sshd[17361]: Received disconnect from 197.214.67.241 port 60894:11: Bye Bye [preauth]
Jun 17 05:49:17 zabbix sshd[17361]: ........
------------------------------
2020-06-18 19:24:02
120.131.3.144 attackspambots
SSH Brute-Force reported by Fail2Ban
2020-06-18 19:07:48
129.28.191.35 attackspam
2020-06-18T13:58:04.518372lavrinenko.info sshd[2705]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.191.35
2020-06-18T13:58:04.513234lavrinenko.info sshd[2705]: Invalid user test123 from 129.28.191.35 port 50040
2020-06-18T13:58:06.328091lavrinenko.info sshd[2705]: Failed password for invalid user test123 from 129.28.191.35 port 50040 ssh2
2020-06-18T14:00:13.550929lavrinenko.info sshd[2884]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.28.191.35  user=root
2020-06-18T14:00:15.401170lavrinenko.info sshd[2884]: Failed password for root from 129.28.191.35 port 45986 ssh2
...
2020-06-18 19:15:41
45.32.157.7 attack
timhelmke.de 45.32.157.7 [18/Jun/2020:05:48:14 +0200] "POST /wp-login.php HTTP/1.1" 200 5985 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
timhelmke.de 45.32.157.7 [18/Jun/2020:05:48:14 +0200] "POST /wp-login.php HTTP/1.1" 200 5941 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-06-18 19:03:35
91.204.199.73 attack
web-1 [ssh_2] SSH Attack
2020-06-18 19:29:15
138.197.89.212 attackbotsspam
2020-06-18T09:48:12+0200 Failed SSH Authentication/Brute Force Attack. (Server 4)
2020-06-18 19:34:25
173.53.23.48 attackspambots
Jun 18 07:37:27 ws26vmsma01 sshd[7144]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=173.53.23.48
Jun 18 07:37:29 ws26vmsma01 sshd[7144]: Failed password for invalid user usr01 from 173.53.23.48 port 56400 ssh2
...
2020-06-18 19:19:17
149.34.5.31 attack
 TCP (SYN) 149.34.5.31:17343 -> port 80, len 44
2020-06-18 19:37:12
13.90.26.128 attack
SQL Injection Attempts
2020-06-18 19:19:45
185.220.101.207 attack
SSH brute-force attempt
2020-06-18 19:27:35
180.76.242.204 attack
Jun 18 07:57:08 vps sshd[409155]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.242.204  user=root
Jun 18 07:57:10 vps sshd[409155]: Failed password for root from 180.76.242.204 port 55860 ssh2
Jun 18 08:01:42 vps sshd[431050]: Invalid user jean from 180.76.242.204 port 50798
Jun 18 08:01:42 vps sshd[431050]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.242.204
Jun 18 08:01:44 vps sshd[431050]: Failed password for invalid user jean from 180.76.242.204 port 50798 ssh2
...
2020-06-18 19:04:16

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