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 17 19:28:03 tdfoods sshd\[21980\]: Invalid user ii from 3.21.143.45
Apr 17 19:28:03 tdfoods sshd\[21980\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-3-21-143-45.us-east-2.compute.amazonaws.com
Apr 17 19:28:05 tdfoods sshd\[21980\]: Failed password for invalid user ii from 3.21.143.45 port 40474 ssh2
Apr 17 19:34:52 tdfoods sshd\[22376\]: Invalid user nn from 3.21.143.45
Apr 17 19:34:52 tdfoods sshd\[22376\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-3-21-143-45.us-east-2.compute.amazonaws.com
2020-04-18 15:00:50
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 3.21.143.45
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10606
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			593	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020041800 1800 900 604800 86400

;; Query time: 80 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Apr 18 15:00:46 CST 2020
;; MSG SIZE  rcvd: 115
Host info
45.143.21.3.in-addr.arpa domain name pointer ec2-3-21-143-45.us-east-2.compute.amazonaws.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
45.143.21.3.in-addr.arpa	name = ec2-3-21-143-45.us-east-2.compute.amazonaws.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
82.0.29.147 attack
SSHD unauthorised connection attempt (b)
2020-04-19 08:02:13
80.211.24.117 attackspam
Apr 19 06:08:20 host5 sshd[22038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.24.117  user=root
Apr 19 06:08:21 host5 sshd[22038]: Failed password for root from 80.211.24.117 port 54974 ssh2
...
2020-04-19 12:08:48
171.100.57.50 attack
IMAP/SMTP Authentication Failure
2020-04-19 12:02:52
112.164.220.196 attackspambots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-04-19 08:17:15
41.32.153.99 attack
DATE:2020-04-18 22:18:26, IP:41.32.153.99, PORT:telnet Telnet brute force auth on honeypot server (honey-neo-dc)
2020-04-19 08:13:34
94.139.182.64 attackbotsspam
SMB Server BruteForce Attack
2020-04-19 08:19:23
142.93.251.1 attack
Apr 19 02:04:21 [host] sshd[30504]: pam_unix(sshd:
Apr 19 02:04:24 [host] sshd[30504]: Failed passwor
Apr 19 02:09:13 [host] sshd[30919]: pam_unix(sshd:
2020-04-19 08:11:02
201.216.239.241 attackbotsspam
$f2bV_matches
2020-04-19 12:11:29
113.190.233.163 attack
Dovecot Invalid User Login Attempt.
2020-04-19 12:00:55
185.50.149.4 attackspam
Apr 19 06:00:40 relay postfix/smtpd\[22289\]: warning: unknown\[185.50.149.4\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 19 06:00:58 relay postfix/smtpd\[22289\]: warning: unknown\[185.50.149.4\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 19 06:02:35 relay postfix/smtpd\[18350\]: warning: unknown\[185.50.149.4\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 19 06:02:54 relay postfix/smtpd\[18350\]: warning: unknown\[185.50.149.4\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Apr 19 06:03:24 relay postfix/smtpd\[26019\]: warning: unknown\[185.50.149.4\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-04-19 12:07:38
139.59.36.23 attackbotsspam
SSH Brute-Force. Ports scanning.
2020-04-19 08:14:36
178.165.72.177 attack
Apr 18 03:16:30 XXX sshd[3991]: Invalid user user from 178.165.72.177 port 51528
2020-04-19 08:07:30
212.83.183.57 attack
$f2bV_matches
2020-04-19 12:11:04
122.15.72.202 attack
Apr 19 00:37:03 vserver sshd\[3630\]: Invalid user testing from 122.15.72.202Apr 19 00:37:05 vserver sshd\[3630\]: Failed password for invalid user testing from 122.15.72.202 port 6566 ssh2Apr 19 00:40:53 vserver sshd\[3733\]: Invalid user postgres from 122.15.72.202Apr 19 00:40:55 vserver sshd\[3733\]: Failed password for invalid user postgres from 122.15.72.202 port 17422 ssh2
...
2020-04-19 08:20:24
190.196.248.3 attack
Automatic report - Port Scan Attack
2020-04-19 12:05:57

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