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
attackspam
54.37.81.45 - - [04/Jul/2020:20:34:35 +0200] "POST /xmlrpc.php HTTP/1.1" 403 78428 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
54.37.81.45 - - [04/Jul/2020:20:34:35 +0200] "POST /xmlrpc.php HTTP/1.1" 403 78428 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
...
2020-07-05 02:46:14
attack
54.37.81.45 - - [24/Jun/2020:14:01:15 +0200] "POST /xmlrpc.php HTTP/1.1" 403 795 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
54.37.81.45 - - [24/Jun/2020:14:01:15 +0200] "POST /xmlrpc.php HTTP/1.1" 403 795 "-" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/60.0.3112.113 Safari/537.36"
...
2020-06-25 04:35:13
Comments on same subnet:
IP Type Details Datetime
54.37.81.238 attack
Brute-force attacker IP
2025-06-05 12:55:24
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 54.37.81.45
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 22244
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			471	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020062401 1800 900 604800 86400

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Jun 25 04:35:10 CST 2020
;; MSG SIZE  rcvd: 115
Host info
45.81.37.54.in-addr.arpa domain name pointer ns3966475.ip-54-37-81.eu.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
45.81.37.54.in-addr.arpa	name = ns3966475.ip-54-37-81.eu.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
171.98.98.91 attackspambots
fail2ban detected bruce force on ssh iptables
2020-09-22 04:50:35
37.152.163.168 attack
Sep 21 18:53:30 mail.srvfarm.net postfix/smtpd[2952593]: warning: unknown[37.152.163.168]: SASL PLAIN authentication failed: 
Sep 21 18:53:30 mail.srvfarm.net postfix/smtpd[2952593]: lost connection after AUTH from unknown[37.152.163.168]
Sep 21 18:53:51 mail.srvfarm.net postfix/smtpd[2952345]: warning: unknown[37.152.163.168]: SASL PLAIN authentication failed: 
Sep 21 18:53:51 mail.srvfarm.net postfix/smtpd[2952345]: lost connection after AUTH from unknown[37.152.163.168]
Sep 21 19:02:42 mail.srvfarm.net postfix/smtps/smtpd[2954180]: warning: unknown[37.152.163.168]: SASL PLAIN authentication failed: 
Sep 21 19:02:42 mail.srvfarm.net postfix/smtps/smtpd[2954180]: lost connection after AUTH from unknown[37.152.163.168]
2020-09-22 05:24:57
154.8.151.45 attack
3389BruteforceStormFW21
2020-09-22 05:25:19
74.82.47.23 attack
Found on   Github Combined on 3 lists    / proto=6  .  srcport=38964  .  dstport=8443  .     (3231)
2020-09-22 04:54:29
103.75.197.26 attackbots
Sep 21 18:57:43 mail.srvfarm.net postfix/smtps/smtpd[2949479]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed: 
Sep 21 18:57:44 mail.srvfarm.net postfix/smtps/smtpd[2949479]: lost connection after AUTH from unknown[103.75.197.26]
Sep 21 18:58:16 mail.srvfarm.net postfix/smtpd[2954550]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed: 
Sep 21 18:58:17 mail.srvfarm.net postfix/smtpd[2954550]: lost connection after AUTH from unknown[103.75.197.26]
Sep 21 19:03:11 mail.srvfarm.net postfix/smtps/smtpd[2951945]: warning: unknown[103.75.197.26]: SASL PLAIN authentication failed:
2020-09-22 05:23:25
45.55.237.182 attack
Sep 21 21:10:44 santamaria sshd\[24637\]: Invalid user gituser from 45.55.237.182
Sep 21 21:10:44 santamaria sshd\[24637\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.237.182
Sep 21 21:10:46 santamaria sshd\[24637\]: Failed password for invalid user gituser from 45.55.237.182 port 50668 ssh2
...
2020-09-22 04:55:24
45.14.150.51 attack
$f2bV_matches
2020-09-22 05:14:43
177.205.157.41 attackbotsspam
1600707847 - 09/21/2020 19:04:07 Host: 177.205.157.41/177.205.157.41 Port: 445 TCP Blocked
2020-09-22 05:16:09
152.246.174.68 attack
152.246.174.68 (BR/Brazil/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 21 13:03:48 server2 sshd[32365]: Failed password for root from 149.56.130.61 port 59294 ssh2
Sep 21 13:04:09 server2 sshd[32680]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.246.174.68  user=root
Sep 21 13:03:37 server2 sshd[32202]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.209.254.62  user=root
Sep 21 13:03:39 server2 sshd[32202]: Failed password for root from 134.209.254.62 port 48592 ssh2
Sep 21 13:04:04 server2 sshd[32682]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=104.131.106.203  user=root
Sep 21 13:04:06 server2 sshd[32682]: Failed password for root from 104.131.106.203 port 44212 ssh2

IP Addresses Blocked:

149.56.130.61 (CA/Canada/-)
2020-09-22 05:04:12
178.32.196.243 attack
Sep 21 22:43:52 ip106 sshd[32421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.32.196.243 
Sep 21 22:43:54 ip106 sshd[32421]: Failed password for invalid user nfs from 178.32.196.243 port 34310 ssh2
...
2020-09-22 04:59:10
198.44.215.159 attackspambots
Sep 21 17:04:04 localhost sshd[65604]: Invalid user admin from 198.44.215.159 port 48862
Sep 21 17:04:04 localhost sshd[65604]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=198.44.215.159
Sep 21 17:04:04 localhost sshd[65604]: Invalid user admin from 198.44.215.159 port 48862
Sep 21 17:04:06 localhost sshd[65604]: Failed password for invalid user admin from 198.44.215.159 port 48862 ssh2
Sep 21 17:04:08 localhost sshd[65623]: Invalid user admin from 198.44.215.159 port 48978
...
2020-09-22 05:13:26
144.34.240.47 attackbotsspam
Brute%20Force%20SSH
2020-09-22 05:13:04
111.229.226.212 attackbots
Sep 22 00:15:13 mx sshd[862231]: Failed password for root from 111.229.226.212 port 56402 ssh2
Sep 22 00:16:28 mx sshd[862263]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.226.212  user=root
Sep 22 00:16:31 mx sshd[862263]: Failed password for root from 111.229.226.212 port 46542 ssh2
Sep 22 00:17:44 mx sshd[862320]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.226.212  user=root
Sep 22 00:17:46 mx sshd[862320]: Failed password for root from 111.229.226.212 port 36676 ssh2
...
2020-09-22 04:51:06
142.93.247.238 attackbotsspam
2020-09-21T22:22:36+0200 Failed SSH Authentication/Brute Force Attack. (Server 4)
2020-09-22 04:53:37
180.250.115.121 attack
Sep 21 18:58:23 icinga sshd[803]: Failed password for root from 180.250.115.121 port 34292 ssh2
Sep 21 19:01:42 icinga sshd[6516]: Failed password for root from 180.250.115.121 port 48335 ssh2
...
2020-09-22 04:47:27

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