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: Canada

Internet Service Provider: OVH Hosting Inc.

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attack
Jan 10 21:11:33 thevastnessof sshd[21357]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.21.54
...
2020-01-11 05:32:46
attackbotsspam
Jan 10 19:23:19 root sshd[16392]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.21.54 
Jan 10 19:23:22 root sshd[16392]: Failed password for invalid user support from 54.39.21.54 port 55286 ssh2
Jan 10 19:25:08 root sshd[16408]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.21.54 
...
2020-01-11 02:26:00
attackbotsspam
Jan  7 20:22:03 klukluk sshd\[14863\]: Invalid user support from 54.39.21.54
Jan  7 20:24:01 klukluk sshd\[15947\]: Invalid user ubnt from 54.39.21.54
Jan  7 20:26:19 klukluk sshd\[17759\]: Invalid user postgres from 54.39.21.54
...
2020-01-08 03:54:52
attack
Jan  4 12:18:01 [HOSTNAME] sshd[22511]: Invalid user support from 54.39.21.54 port 45736
Jan  4 12:19:52 [HOSTNAME] sshd[22534]: Invalid user ubnt from 54.39.21.54 port 37508
Jan  4 12:21:53 [HOSTNAME] sshd[22537]: Invalid user postgres from 54.39.21.54 port 57510
...
2020-01-04 19:24:48
attack
Invalid user postgres from 54.39.21.54 port 47564
2019-12-20 18:00:35
attack
Triggered by Fail2Ban at Vostok web server
2019-12-20 06:14:34
attackspambots
Dec  4 12:54:25 server sshd\[23789\]: Invalid user postgres from 54.39.21.54
Dec  4 12:54:25 server sshd\[23789\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-54-39-21.net 
Dec  4 12:54:28 server sshd\[23789\]: Failed password for invalid user postgres from 54.39.21.54 port 56270 ssh2
Dec  4 20:00:21 server sshd\[11606\]: Invalid user www-data from 54.39.21.54
Dec  4 20:00:21 server sshd\[11606\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-54-39-21.net 
...
2019-12-05 01:44:08
attack
Dec  3 01:36:32 sauna sshd[210886]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.21.54
Dec  3 01:36:34 sauna sshd[210886]: Failed password for invalid user ftp_test from 54.39.21.54 port 54112 ssh2
...
2019-12-03 08:11:13
attackspam
Nov 25 12:04:27 XXX sshd[5641]: Invalid user informix from 54.39.21.54 port 38444
2019-11-26 08:06:12
attackbotsspam
Invalid user zabbix from 54.39.21.54 port 46054
2019-11-25 07:39:56
attack
Nov 23 13:18:42 vpn01 sshd[27595]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.21.54
Nov 23 13:18:44 vpn01 sshd[27595]: Failed password for invalid user postgres from 54.39.21.54 port 44766 ssh2
...
2019-11-23 20:37:18
attackspam
$f2bV_matches
2019-11-16 09:08:49
attackbotsspam
Nov 12 17:19:52 *** sshd[25082]: Invalid user nagios from 54.39.21.54
2019-11-13 02:41:35
attackspam
"Fail2Ban detected SSH brute force attempt"
2019-11-07 16:01:39
attackspam
2019-11-07T00:51:44.635837abusebot-3.cloudsearch.cf sshd\[3434\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-54-39-21.net  user=ftp
2019-11-07 09:05:23
attackbotsspam
Nov  5 15:34:27 unicornsoft sshd\[18541\]: Invalid user applmgr from 54.39.21.54
Nov  5 15:34:27 unicornsoft sshd\[18541\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.21.54
Nov  5 15:34:30 unicornsoft sshd\[18541\]: Failed password for invalid user applmgr from 54.39.21.54 port 47836 ssh2
2019-11-06 00:19:44
attackspambots
Oct 24 19:13:55 server sshd\[12032\]: Invalid user ethos from 54.39.21.54
Oct 24 19:13:55 server sshd\[12032\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-54-39-21.net 
Oct 24 19:13:57 server sshd\[12032\]: Failed password for invalid user ethos from 54.39.21.54 port 55878 ssh2
Oct 24 20:30:24 server sshd\[1248\]: Invalid user ubuntu from 54.39.21.54
Oct 24 20:30:24 server sshd\[1248\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.ip-54-39-21.net 
...
2019-10-25 01:33:40
Comments on same subnet:
IP Type Details Datetime
54.39.213.56 attack
Trying to bypass user accounts on secured servers
2022-03-08 16:46:57
54.39.213.56 attack
Trying to bypass user accounts on secured servers
2022-03-08 09:06:47
54.39.211.56 attackbotsspam
Lines containing failures of 54.39.211.56
Oct  3 22:26:48 v2hgb postfix/smtpd[26045]: connect from a.binkleyapples.com[54.39.211.56]
Oct  3 22:26:48 v2hgb postfix/smtpd[26045]: Anonymous TLS connection established from a.binkleyapples.com[54.39.211.56]: TLSv1 whostnameh cipher ECDHE-RSA-AES256-SHA (256/256 bhostnames)
Oct x@x
Oct  3 22:26:49 v2hgb postfix/smtpd[26045]: disconnect from a.binkleyapples.com[54.39.211.56] ehlo=2 starttls=1 mail=1 rcpt=0/1 quhostname=1 commands=5/6


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=54.39.211.56
2020-10-05 04:35:26
54.39.211.56 attack
Lines containing failures of 54.39.211.56
Oct  3 22:26:48 v2hgb postfix/smtpd[26045]: connect from a.binkleyapples.com[54.39.211.56]
Oct  3 22:26:48 v2hgb postfix/smtpd[26045]: Anonymous TLS connection established from a.binkleyapples.com[54.39.211.56]: TLSv1 whostnameh cipher ECDHE-RSA-AES256-SHA (256/256 bhostnames)
Oct x@x
Oct  3 22:26:49 v2hgb postfix/smtpd[26045]: disconnect from a.binkleyapples.com[54.39.211.56] ehlo=2 starttls=1 mail=1 rcpt=0/1 quhostname=1 commands=5/6


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=54.39.211.56
2020-10-04 20:29:38
54.39.211.56 attackspambots
Lines containing failures of 54.39.211.56
Oct  3 22:26:48 v2hgb postfix/smtpd[26045]: connect from a.binkleyapples.com[54.39.211.56]
Oct  3 22:26:48 v2hgb postfix/smtpd[26045]: Anonymous TLS connection established from a.binkleyapples.com[54.39.211.56]: TLSv1 whostnameh cipher ECDHE-RSA-AES256-SHA (256/256 bhostnames)
Oct x@x
Oct  3 22:26:49 v2hgb postfix/smtpd[26045]: disconnect from a.binkleyapples.com[54.39.211.56] ehlo=2 starttls=1 mail=1 rcpt=0/1 quhostname=1 commands=5/6


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=54.39.211.56
2020-10-04 12:12:24
54.39.215.38 attackbots
27-Sep-2020 14:43:30.765 client @0x7f352c0a25f0 54.39.215.38#58427 (pizzaseo.com): query (cache) 'pizzaseo.com/RRSIG/IN' denied
2020-09-28 04:12:53
54.39.215.38 attackspam
UDP ports : 389 / 10001
2020-09-27 20:30:00
54.39.215.38 attackbots
 UDP 54.39.215.38:37771 -> port 389, len 80
2020-09-27 12:05:39
54.39.215.18 attackspambots
$f2bV_matches
2020-09-22 20:08:30
54.39.215.18 attackspambots
20 attempts against mh-ssh on creek
2020-09-22 04:16:38
54.39.215.32 attackbotsspam
 UDP 54.39.215.32:39562 -> port 19, len 29
2020-09-12 03:21:22
54.39.215.32 attackspam
UDP ports : 17 / 389 / 5093 / 5353
2020-09-11 19:23:25
54.39.215.32 attack
1597294297 - 08/13/2020 11:51:37 Host: ip32.ip-54-39-215.net/54.39.215.32 Port: 17 UDP Blocked
...
2020-08-13 13:37:57
54.39.215.32 attackspambots
*Port Scan* detected from 54.39.215.32 (CA/Canada/Ontario/Ottawa (Kanata)/ip32.ip-54-39-215.net). 4 hits in the last 35 seconds
2020-08-13 09:40:58
54.39.215.32 attackbots
 UDP 54.39.215.32:38345 -> port 5093, len 35
2020-07-26 03:48:04
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 54.39.21.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58072
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019102401 1800 900 604800 86400

;; Query time: 96 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Oct 25 01:33:36 CST 2019
;; MSG SIZE  rcvd: 115
Host info
54.21.39.54.in-addr.arpa domain name pointer 54.ip-54-39-21.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
54.21.39.54.in-addr.arpa	name = 54.ip-54-39-21.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
49.235.143.244 attack
Jun 11 04:55:53 jumpserver sshd[22786]: Failed password for root from 49.235.143.244 port 57970 ssh2
Jun 11 04:59:20 jumpserver sshd[22801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.143.244  user=root
Jun 11 04:59:23 jumpserver sshd[22801]: Failed password for root from 49.235.143.244 port 45478 ssh2
...
2020-06-11 17:30:43
100.241.2.60 spam
A motivating discussion is definitely worth comment. I do believe that you need 
to write more about this issue, it may not be a taboo subject but typically people 
don't discuss such issues. To the next! Best wishes!!


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2020-06-11 17:53:40
185.39.10.48 attackspam
06/11/2020-03:23:53.493394 185.39.10.48 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-06-11 17:28:57
106.13.206.10 attack
Jun 11 00:18:41 ny01 sshd[12345]: Failed password for root from 106.13.206.10 port 39438 ssh2
Jun 11 00:22:11 ny01 sshd[12828]: Failed password for root from 106.13.206.10 port 53686 ssh2
Jun 11 00:25:51 ny01 sshd[13636]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.206.10
2020-06-11 17:43:29
219.135.209.13 attackspam
2020-06-11T03:47:53.766044dmca.cloudsearch.cf sshd[1855]: Invalid user jester from 219.135.209.13 port 46166
2020-06-11T03:47:53.772706dmca.cloudsearch.cf sshd[1855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.135.209.13
2020-06-11T03:47:53.766044dmca.cloudsearch.cf sshd[1855]: Invalid user jester from 219.135.209.13 port 46166
2020-06-11T03:47:55.674780dmca.cloudsearch.cf sshd[1855]: Failed password for invalid user jester from 219.135.209.13 port 46166 ssh2
2020-06-11T03:51:10.234714dmca.cloudsearch.cf sshd[2056]: Invalid user minerva from 219.135.209.13 port 51966
2020-06-11T03:51:10.240905dmca.cloudsearch.cf sshd[2056]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.135.209.13
2020-06-11T03:51:10.234714dmca.cloudsearch.cf sshd[2056]: Invalid user minerva from 219.135.209.13 port 51966
2020-06-11T03:51:12.188032dmca.cloudsearch.cf sshd[2056]: Failed password for invalid user minerva from 21
...
2020-06-11 17:57:07
220.123.241.30 attackbots
ssh brute force
2020-06-11 18:00:20
198.38.82.252 attackspam
Probing for vulnerable PHP code
2020-06-11 17:47:52
222.223.32.227 attackspam
Jun 11 05:51:04 * sshd[13886]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.223.32.227
Jun 11 05:51:06 * sshd[13886]: Failed password for invalid user bs from 222.223.32.227 port 58076 ssh2
2020-06-11 18:00:53
120.132.14.42 attackspam
Jun 11 09:11:04 vmd48417 sshd[11609]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.132.14.42
2020-06-11 17:45:01
186.159.6.116 attackspambots
Honeypot attack, port: 445, PTR: adsl-186-159-6-116.edatel.net.co.
2020-06-11 17:54:10
50.63.196.154 attack
Automatic report - XMLRPC Attack
2020-06-11 17:37:07
5.139.213.34 attack
SMB Server BruteForce Attack
2020-06-11 17:57:56
103.78.81.227 attack
Failed password for invalid user yuanxiangchi from 103.78.81.227 port 39102 ssh2
2020-06-11 17:56:27
119.194.214.43 attackbots
Jun 10 21:51:18 Host-KLAX-C postfix/submission/smtpd[6053]: lost connection after CONNECT from unknown[119.194.214.43]
...
2020-06-11 17:54:39
91.223.227.253 attack
Port Scan detected!
...
2020-06-11 18:03:43

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