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: Brazil

Internet Service Provider: Assunet Ltda - ME

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackspambots
Sep  7 12:55:14 mail.srvfarm.net postfix/smtpd[1056475]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed: 
Sep  7 12:55:14 mail.srvfarm.net postfix/smtpd[1056475]: lost connection after AUTH from unknown[138.0.253.158]
Sep  7 12:57:38 mail.srvfarm.net postfix/smtpd[1058612]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed: 
Sep  7 12:57:39 mail.srvfarm.net postfix/smtpd[1058612]: lost connection after AUTH from unknown[138.0.253.158]
Sep  7 12:59:17 mail.srvfarm.net postfix/smtpd[1053388]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed:
2020-09-12 02:10:27
attackspam
Sep  7 12:55:14 mail.srvfarm.net postfix/smtpd[1056475]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed: 
Sep  7 12:55:14 mail.srvfarm.net postfix/smtpd[1056475]: lost connection after AUTH from unknown[138.0.253.158]
Sep  7 12:57:38 mail.srvfarm.net postfix/smtpd[1058612]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed: 
Sep  7 12:57:39 mail.srvfarm.net postfix/smtpd[1058612]: lost connection after AUTH from unknown[138.0.253.158]
Sep  7 12:59:17 mail.srvfarm.net postfix/smtpd[1053388]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed:
2020-09-11 18:02:49
attack
Jun 16 05:38:40 mail.srvfarm.net postfix/smtpd[936017]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed: 
Jun 16 05:38:41 mail.srvfarm.net postfix/smtpd[936017]: lost connection after AUTH from unknown[138.0.253.158]
Jun 16 05:41:03 mail.srvfarm.net postfix/smtpd[953465]: warning: unknown[138.0.253.158]: SASL PLAIN authentication failed: 
Jun 16 05:41:03 mail.srvfarm.net postfix/smtpd[953465]: lost connection after AUTH from unknown[138.0.253.158]
Jun 16 05:47:14 mail.srvfarm.net postfix/smtps/smtpd[956698]: lost connection after CONNECT from unknown[138.0.253.158]
2020-06-16 15:35:29
Comments on same subnet:
IP Type Details Datetime
138.0.253.67 attackspambots
$f2bV_matches
2020-09-30 04:34:49
138.0.253.67 attackbotsspam
$f2bV_matches
2020-09-29 20:43:07
138.0.253.67 attack
$f2bV_matches
2020-09-29 12:52:44
138.0.253.119 attackbotsspam
Brute force attempt
2019-08-20 23:20:52
138.0.253.5 attackbots
Bad Postfix AUTH attempts
...
2019-07-17 13:24:09
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.0.253.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 59692
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			446	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020061600 1800 900 604800 86400

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Jun 16 15:35:18 CST 2020
;; MSG SIZE  rcvd: 117
Host info
Host 158.253.0.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.253.0.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.52.216.216 attackspambots
TCP ports : 139 / 8388
2020-10-04 01:38:16
51.254.141.10 attack
Invalid user sample from 51.254.141.10 port 34854
2020-10-04 01:47:24
122.51.45.240 attack
122.51.45.240 (CN/China/-), 6 distributed sshd attacks on account [root] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Oct  3 12:26:41 server2 sshd[1051]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.45.240  user=root
Oct  3 12:23:41 server2 sshd[613]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.209.0.252  user=root
Oct  3 12:26:43 server2 sshd[1051]: Failed password for root from 122.51.45.240 port 48704 ssh2
Oct  3 12:27:37 server2 sshd[1287]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.95.11.195  user=root
Oct  3 12:23:43 server2 sshd[613]: Failed password for root from 85.209.0.252 port 13640 ssh2
Oct  3 12:20:17 server2 sshd[32560]: Failed password for root from 85.209.0.103 port 38502 ssh2

IP Addresses Blocked:
2020-10-04 01:46:28
94.153.224.202 attackbots
94.153.224.202 - - [03/Oct/2020:16:13:53 +0100] "POST /wp-login.php HTTP/1.1" 200 2643 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
94.153.224.202 - - [03/Oct/2020:16:13:55 +0100] "POST /wp-login.php HTTP/1.1" 200 2632 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
94.153.224.202 - - [03/Oct/2020:16:13:55 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-10-04 01:48:42
103.123.8.75 attackbots
Invalid user applmgr from 103.123.8.75 port 44052
2020-10-04 01:41:45
106.13.142.93 attack
3x Failed Password
2020-10-04 01:40:47
128.199.145.5 attack
(sshd) Failed SSH login from 128.199.145.5 (SG/Singapore/-): 3 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD
2020-10-04 01:42:53
51.210.247.186 attackbotsspam
Invalid user zz12345 from 51.210.247.186 port 39050
2020-10-04 01:55:41
210.245.34.243 attackbots
"fail2ban match"
2020-10-04 01:54:57
122.224.240.99 attackbots
Invalid user lol from 122.224.240.99 port 2429
2020-10-04 01:57:08
159.65.88.87 attackbots
SSH Brute Force
2020-10-04 01:37:46
46.101.0.49 attack
20 attempts against mh-ssh on sonic
2020-10-04 01:20:43
103.129.196.143 attackbotsspam
2020-10-03T15:33:48.042750vps773228.ovh.net sshd[4541]: Failed password for invalid user opc from 103.129.196.143 port 43398 ssh2
2020-10-03T15:42:30.268471vps773228.ovh.net sshd[4665]: Invalid user test from 103.129.196.143 port 57356
2020-10-03T15:42:30.280542vps773228.ovh.net sshd[4665]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.129.196.143
2020-10-03T15:42:30.268471vps773228.ovh.net sshd[4665]: Invalid user test from 103.129.196.143 port 57356
2020-10-03T15:42:31.878003vps773228.ovh.net sshd[4665]: Failed password for invalid user test from 103.129.196.143 port 57356 ssh2
...
2020-10-04 01:50:21
104.144.63.165 attackbotsspam
RU spamvertising/fraud - From: Ultra Wifi Pro 

- UBE 208.82.118.236 (EHLO newstart.club) Ndchost
- Spam link mail.kraften.site = 185.56.88.154 Buzinessware FZCO – phishing redirect:
a) spendlesslist.com = 104.144.63.165 ServerMania
- Spam link #2 mail.kraften.site - phishing redirect:
a) spendlesslist.com = 104.144.63.165 ServerMania
b) safemailremove.com = 40.64.107.53 Microsoft Corporation
- Spam link newstart.club = host not found

Images - 151.101.120.193 Fastly
- https://imgur.com/wmqfoW2.png = Ultra Wifi Pro ad
- https://imgur.com/F6adfzn.png = Ultra Wifi Pro 73 Greentree Dr. #57 Dover DE 19904 – entity not found at listed address; BBB: Ultra HD Antennas & Ultra WiFi Pro – " this business is no longer in business "
2020-10-04 01:57:21
112.85.42.237 attackbotsspam
Oct  3 13:49:30 NPSTNNYC01T sshd[23087]: Failed password for root from 112.85.42.237 port 15659 ssh2
Oct  3 13:50:26 NPSTNNYC01T sshd[23128]: Failed password for root from 112.85.42.237 port 17765 ssh2
Oct  3 13:50:28 NPSTNNYC01T sshd[23128]: Failed password for root from 112.85.42.237 port 17765 ssh2
...
2020-10-04 02:00:41

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