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 of America

Internet Service Provider: Amazon Technologies Inc.

Hostname: unknown

Organization: unknown

Usage Type: Data Center/Web Hosting/Transit

Comments:
Type Details Datetime
attackspam
Apr  9 00:31:36 zimbra sshd[7892]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.71.54.75  user=r.r
Apr  9 00:31:38 zimbra sshd[7892]: Failed password for r.r from 54.71.54.75 port 43016 ssh2
Apr  9 00:31:38 zimbra sshd[7892]: Received disconnect from 54.71.54.75 port 43016:11: Bye Bye [preauth]
Apr  9 00:31:38 zimbra sshd[7892]: Disconnected from 54.71.54.75 port 43016 [preauth]
Apr  9 00:33:15 zimbra sshd[9047]: Invalid user jc3 from 54.71.54.75
Apr  9 00:33:15 zimbra sshd[9047]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.71.54.75
Apr  9 00:33:17 zimbra sshd[9047]: Failed password for invalid user jc3 from 54.71.54.75 port 35754 ssh2
Apr  9 00:33:17 zimbra sshd[9047]: Received disconnect from 54.71.54.75 port 35754:11: Bye Bye [preauth]
Apr  9 00:33:17 zimbra sshd[9047]: Disconnected from 54.71.54.75 port 35754 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html
2020-04-09 13:34:30
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 54.71.54.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20947
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020040801 1800 900 604800 86400

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Apr 09 13:34:21 CST 2020
;; MSG SIZE  rcvd: 115
Host info
75.54.71.54.in-addr.arpa domain name pointer ec2-54-71-54-75.us-west-2.compute.amazonaws.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
75.54.71.54.in-addr.arpa	name = ec2-54-71-54-75.us-west-2.compute.amazonaws.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
123.194.180.238 attackspam
Unauthorized connection attempt from IP address 123.194.180.238 on Port 445(SMB)
2019-06-30 20:38:53
99.37.246.236 attackspam
SSH Brute-Force attacks
2019-06-30 20:46:57
91.134.139.87 attack
Invalid user ftpuser from 91.134.139.87 port 59560
2019-06-30 21:13:35
90.162.140.101 attack
Jun 29 03:58:59 contabo sshd[28930]: Invalid user erp from 90.162.140.101
Jun 29 03:59:01 contabo sshd[28930]: Failed password for invalid user erp from 90.162.140.101 port 36300 ssh2
Jun 29 04:03:35 contabo sshd[29042]: Invalid user ansible from 90.162.140.101
Jun 29 04:03:37 contabo sshd[29042]: Failed password for invalid user ansible from 90.162.140.101 port 34242 ssh2
Jun 29 04:06:42 contabo sshd[29120]: Invalid user csp from 90.162.140.101

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=90.162.140.101
2019-06-30 21:03:53
177.75.11.122 attackspam
$f2bV_matches
2019-06-30 20:42:48
91.121.110.50 attack
SSH-BRUTEFORCE
2019-06-30 21:15:16
222.127.50.120 attackspam
Unauthorized connection attempt from IP address 222.127.50.120 on Port 445(SMB)
2019-06-30 20:41:31
94.101.82.10 attackbots
SSH-BRUTEFORCE
2019-06-30 21:03:07
141.255.8.183 attack
Telnet Server BruteForce Attack
2019-06-30 21:04:55
114.112.81.182 attack
Jun 30 06:15:10 giegler sshd[14450]: Invalid user test from 114.112.81.182 port 39262
2019-06-30 20:49:40
78.46.90.53 attack
20 attempts against mh-misbehave-ban on tree.magehost.pro
2019-06-30 21:06:33
87.67.64.48 attackbotsspam
SSH-BRUTEFORCE
2019-06-30 21:21:11
193.112.160.221 attackbotsspam
Jun 30 11:26:59 mail sshd\[32114\]: Failed password for invalid user kathrine from 193.112.160.221 port 46198 ssh2
Jun 30 11:42:04 mail sshd\[32310\]: Invalid user jsimon from 193.112.160.221 port 45306
Jun 30 11:42:04 mail sshd\[32310\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=193.112.160.221
...
2019-06-30 21:11:55
91.225.122.58 attack
$f2bV_matches
2019-06-30 21:11:00
93.42.117.137 attackbotsspam
2019-06-30T14:04:17.235255centos sshd\[6051\]: Invalid user ss from 93.42.117.137 port 53307
2019-06-30T14:04:17.239882centos sshd\[6051\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=93-42-117-137.ip86.fastwebnet.it
2019-06-30T14:04:19.027461centos sshd\[6051\]: Failed password for invalid user ss from 93.42.117.137 port 53307 ssh2
2019-06-30 21:06:07

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