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: Portugal

Internet Service Provider: Comunidade Intermunicipal do Medio Tejo

Hostname: unknown

Organization: unknown

Usage Type: Organization

Comments:
Type Details Datetime
attack
Apr  5 18:16:53 NPSTNNYC01T sshd[16659]: Failed password for root from 83.240.217.138 port 48082 ssh2
Apr  5 18:21:12 NPSTNNYC01T sshd[16905]: Failed password for root from 83.240.217.138 port 45034 ssh2
...
2020-04-06 06:38:07
attackbotsspam
2020-03-31T16:08:45.006973shield sshd\[10740\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138  user=root
2020-03-31T16:08:47.433910shield sshd\[10740\]: Failed password for root from 83.240.217.138 port 56056 ssh2
2020-03-31T16:13:22.438520shield sshd\[11593\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138  user=root
2020-03-31T16:13:24.359767shield sshd\[11593\]: Failed password for root from 83.240.217.138 port 54980 ssh2
2020-03-31T16:18:00.174854shield sshd\[12541\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138  user=root
2020-04-01 00:43:04
attackspam
Mar 24 17:29:25 pornomens sshd\[26309\]: Invalid user vg from 83.240.217.138 port 57896
Mar 24 17:29:25 pornomens sshd\[26309\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138
Mar 24 17:29:27 pornomens sshd\[26309\]: Failed password for invalid user vg from 83.240.217.138 port 57896 ssh2
...
2020-03-25 01:13:13
attackspambots
2020-03-12 22:12:13,674 fail2ban.actions: WARNING [ssh] Ban 83.240.217.138
2020-03-13 05:41:05
attackbots
Feb 28 01:20:57 NPSTNNYC01T sshd[3138]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138
Feb 28 01:20:59 NPSTNNYC01T sshd[3138]: Failed password for invalid user tom from 83.240.217.138 port 40302 ssh2
Feb 28 01:28:15 NPSTNNYC01T sshd[3515]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138
...
2020-02-28 21:02:12
attackspam
Feb  8 10:53:42 legacy sshd[30126]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138
Feb  8 10:53:43 legacy sshd[30126]: Failed password for invalid user glm from 83.240.217.138 port 49064 ssh2
Feb  8 10:57:01 legacy sshd[30345]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.240.217.138
...
2020-02-08 21:24:14
attackspam
SSH bruteforce
2020-01-21 22:34:42
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 83.240.217.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11060
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			314	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020012100 1800 900 604800 86400

;; Query time: 111 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jan 21 22:34:38 CST 2020
;; MSG SIZE  rcvd: 118
Host info
138.217.240.83.in-addr.arpa domain name pointer cimtejo.org.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
138.217.240.83.in-addr.arpa	name = cimtejo.org.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
46.38.145.250 attackbotsspam
2020-06-21 13:05:47 auth_plain authenticator failed for (User) [46.38.145.250]: 535 Incorrect authentication data (set_id=adserv@csmailer.org)
2020-06-21 13:06:25 auth_plain authenticator failed for (User) [46.38.145.250]: 535 Incorrect authentication data (set_id=reservation@csmailer.org)
2020-06-21 13:07:08 auth_plain authenticator failed for (User) [46.38.145.250]: 535 Incorrect authentication data (set_id=oy@csmailer.org)
2020-06-21 13:07:51 auth_plain authenticator failed for (User) [46.38.145.250]: 535 Incorrect authentication data (set_id=speed@csmailer.org)
2020-06-21 13:08:32 auth_plain authenticator failed for (User) [46.38.145.250]: 535 Incorrect authentication data (set_id=freegift@csmailer.org)
...
2020-06-21 21:14:20
51.79.68.147 attackspam
no
2020-06-21 21:22:22
117.205.51.42 attack
Unauthorized connection attempt from IP address 117.205.51.42 on Port 445(SMB)
2020-06-21 21:37:08
13.84.185.185 attackspam
SSH Login Bruteforce
2020-06-21 21:17:17
103.224.100.154 attackspam
Unauthorized connection attempt from IP address 103.224.100.154 on Port 445(SMB)
2020-06-21 21:17:47
212.70.149.18 attackbots
Jun 21 15:51:54 v22019058497090703 postfix/smtpd[23157]: warning: unknown[212.70.149.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 21 15:52:36 v22019058497090703 postfix/smtpd[23157]: warning: unknown[212.70.149.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 21 15:53:19 v22019058497090703 postfix/smtpd[23026]: warning: unknown[212.70.149.18]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-21 21:56:57
177.75.159.85 attackspam
Automatic report - Port Scan Attack
2020-06-21 21:25:44
45.247.91.24 attackspam
Unauthorized connection attempt from IP address 45.247.91.24 on Port 445(SMB)
2020-06-21 21:44:01
79.124.62.86 attack
Fail2Ban Ban Triggered
2020-06-21 21:18:10
196.37.111.217 attackbots
20 attempts against mh-ssh on cloud
2020-06-21 21:31:05
183.56.213.81 attack
Jun 21 15:46:08 cp sshd[15568]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=183.56.213.81
2020-06-21 21:58:17
169.1.71.176 attack
Honeypot attack, port: 445, PTR: 169-1-71-176.ip.afrihost.co.za.
2020-06-21 21:28:03
111.229.15.130 attackspam
Jun 21 12:52:27 IngegnereFirenze sshd[2858]: Failed password for invalid user info from 111.229.15.130 port 58878 ssh2
...
2020-06-21 21:16:23
200.166.184.190 attackbots
Jun 21 15:17:15 eventyay sshd[16318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.166.184.190
Jun 21 15:17:17 eventyay sshd[16318]: Failed password for invalid user itsupport from 200.166.184.190 port 40498 ssh2
Jun 21 15:20:31 eventyay sshd[16413]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.166.184.190
...
2020-06-21 21:32:55
223.70.214.103 attack
Jun 21 12:16:05 *** sshd[9859]: Invalid user g from 223.70.214.103
2020-06-21 21:35:49

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