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: Argentina

Internet Service Provider: AMX Argentina S.A.

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackbotsspam
Jan 18 09:11:29 vtv3 sshd[7500]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
Jan 18 09:11:31 vtv3 sshd[7500]: Failed password for invalid user solr from 138.99.6.65 port 57800 ssh2
Jan 18 09:18:55 vtv3 sshd[10805]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
Jan 18 09:30:23 vtv3 sshd[16366]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
Jan 18 09:30:25 vtv3 sshd[16366]: Failed password for invalid user support from 138.99.6.65 port 53906 ssh2
Jan 18 09:36:01 vtv3 sshd[18901]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
Jan 18 09:47:10 vtv3 sshd[23900]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
Jan 18 09:47:13 vtv3 sshd[23900]: Failed password for invalid user alex from 138.99.6.65 port 43194 ssh2
Jan 18 09:52:42 vtv3 sshd[26339]:
2020-01-18 18:09:38
attackspam
$f2bV_matches
2020-01-12 00:29:56
attack
Dec 31 00:31:23 server sshd\[12801\]: Invalid user vestrum from 138.99.6.65
Dec 31 00:31:23 server sshd\[12801\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
Dec 31 00:31:25 server sshd\[12801\]: Failed password for invalid user vestrum from 138.99.6.65 port 58436 ssh2
Dec 31 07:55:54 server sshd\[21881\]: Invalid user user1 from 138.99.6.65
Dec 31 07:55:54 server sshd\[21881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65 
...
2019-12-31 13:51:58
attackspam
Dec 22 01:09:07 gw1 sshd[16161]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65
Dec 22 01:09:09 gw1 sshd[16161]: Failed password for invalid user webadmin from 138.99.6.65 port 44790 ssh2
...
2019-12-22 04:18:03
attackbots
Dec 17 20:26:36 icinga sshd[22163]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.65
Dec 17 20:26:39 icinga sshd[22163]: Failed password for invalid user confroom from 138.99.6.65 port 60110 ssh2
...
2019-12-18 03:36:12
Comments on same subnet:
IP Type Details Datetime
138.99.6.177 attackspam
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-25 06:08:23
138.99.6.177 attackspambots
2020-09-15 06:49:20 server sshd[17773]: Failed password for invalid user root from 138.99.6.177 port 51850 ssh2
2020-09-16 23:32:03
138.99.6.177 attack
Sep 16 00:12:42 mail sshd\[47567\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.177  user=root
...
2020-09-16 15:49:15
138.99.6.177 attack
2020-09-15T19:01:01.563248correo.[domain] sshd[2507]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.177 2020-09-15T19:01:01.552003correo.[domain] sshd[2507]: Invalid user solr from 138.99.6.177 port 58064 2020-09-15T19:01:03.139691correo.[domain] sshd[2507]: Failed password for invalid user solr from 138.99.6.177 port 58064 ssh2 ...
2020-09-16 07:49:23
138.99.6.184 attackbots
Aug 24 16:11:17 minden010 sshd[7147]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184
Aug 24 16:11:18 minden010 sshd[7147]: Failed password for invalid user restore from 138.99.6.184 port 60036 ssh2
Aug 24 16:15:57 minden010 sshd[7701]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184
...
2020-08-24 23:20:34
138.99.6.184 attackbotsspam
Automatic report BANNED IP
2020-08-24 12:55:11
138.99.6.184 attack
Multiple SSH authentication failures from 138.99.6.184
2020-08-22 01:01:30
138.99.6.184 attack
Aug 20 19:42:02 firewall sshd[3653]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184  user=root
Aug 20 19:42:05 firewall sshd[3653]: Failed password for root from 138.99.6.184 port 57904 ssh2
Aug 20 19:46:59 firewall sshd[3805]: Invalid user tester from 138.99.6.184
...
2020-08-21 07:31:27
138.99.6.184 attackbots
Jun 30 22:04:07 ift sshd\[34416\]: Invalid user user from 138.99.6.184Jun 30 22:04:08 ift sshd\[34416\]: Failed password for invalid user user from 138.99.6.184 port 46470 ssh2Jun 30 22:08:46 ift sshd\[35047\]: Invalid user rich from 138.99.6.184Jun 30 22:08:48 ift sshd\[35047\]: Failed password for invalid user rich from 138.99.6.184 port 44576 ssh2Jun 30 22:13:27 ift sshd\[35858\]: Invalid user cah from 138.99.6.184
...
2020-07-02 01:17:58
138.99.6.184 attackbotsspam
fail2ban -- 138.99.6.184
...
2020-06-28 06:45:38
138.99.6.184 attack
Jun 26 09:14:14 vpn01 sshd[6759]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184
Jun 26 09:14:16 vpn01 sshd[6759]: Failed password for invalid user porte from 138.99.6.184 port 59928 ssh2
...
2020-06-26 16:59:26
138.99.6.184 attackspam
Jun 21 06:51:41 srv-ubuntu-dev3 sshd[47158]: Invalid user sftptest from 138.99.6.184
Jun 21 06:51:41 srv-ubuntu-dev3 sshd[47158]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184
Jun 21 06:51:41 srv-ubuntu-dev3 sshd[47158]: Invalid user sftptest from 138.99.6.184
Jun 21 06:51:43 srv-ubuntu-dev3 sshd[47158]: Failed password for invalid user sftptest from 138.99.6.184 port 34372 ssh2
Jun 21 06:55:42 srv-ubuntu-dev3 sshd[47864]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184  user=root
Jun 21 06:55:44 srv-ubuntu-dev3 sshd[47864]: Failed password for root from 138.99.6.184 port 34234 ssh2
Jun 21 06:59:39 srv-ubuntu-dev3 sshd[48460]: Invalid user cdr from 138.99.6.184
Jun 21 06:59:39 srv-ubuntu-dev3 sshd[48460]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184
Jun 21 06:59:39 srv-ubuntu-dev3 sshd[48460]: Invalid user cdr from 138.99.6.
...
2020-06-21 13:11:00
138.99.6.184 attackspam
Jun 20 14:20:34 vpn01 sshd[17359]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184
Jun 20 14:20:36 vpn01 sshd[17359]: Failed password for invalid user paul from 138.99.6.184 port 45176 ssh2
...
2020-06-20 20:49:15
138.99.6.184 attackbotsspam
2020-06-16T20:19:21.342155n23.at sshd[932]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.99.6.184  user=root
2020-06-16T20:19:23.219019n23.at sshd[932]: Failed password for root from 138.99.6.184 port 41466 ssh2
2020-06-16T20:22:51.456879n23.at sshd[4255]: Invalid user lf from 138.99.6.184 port 35526
...
2020-06-17 03:27:11
138.99.6.184 attackspam
Jun  7 07:20:36 server sshd[20488]: Failed password for root from 138.99.6.184 port 44778 ssh2
Jun  7 07:21:38 server sshd[21141]: Failed password for root from 138.99.6.184 port 56428 ssh2
Jun  7 07:22:34 server sshd[21891]: Failed password for root from 138.99.6.184 port 39848 ssh2
2020-06-07 19:32:40
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.99.6.65
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45534
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			496	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019121701 1800 900 604800 86400

;; Query time: 51 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Dec 18 03:36:08 CST 2019
;; MSG SIZE  rcvd: 115
Host info
65.6.99.138.in-addr.arpa domain name pointer host65.138-99-6.telmex.net.ar.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
65.6.99.138.in-addr.arpa	name = host65.138-99-6.telmex.net.ar.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
194.6.231.122 attack
Invalid user httpd from 194.6.231.122 port 34616
2020-03-19 08:55:50
186.211.106.227 attack
proto=tcp  .  spt=43247  .  dpt=25  .     Found on   Blocklist de       (482)
2020-03-19 08:56:16
86.43.82.1 attackspam
Chat Spam
2020-03-19 08:26:07
101.187.104.248 attackbots
Automatic report - Port Scan Attack
2020-03-19 08:39:46
194.105.205.42 attackbotsspam
Invalid user ethos from 194.105.205.42 port 58370
2020-03-19 08:38:29
185.36.81.78 attack
Mar 19 01:09:37 srv01 postfix/smtpd\[10439\]: warning: unknown\[185.36.81.78\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 19 01:15:13 srv01 postfix/smtpd\[24252\]: warning: unknown\[185.36.81.78\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 19 01:16:57 srv01 postfix/smtpd\[2611\]: warning: unknown\[185.36.81.78\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 19 01:17:35 srv01 postfix/smtpd\[24252\]: warning: unknown\[185.36.81.78\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Mar 19 01:27:18 srv01 postfix/smtpd\[24252\]: warning: unknown\[185.36.81.78\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-03-19 08:50:49
45.55.188.133 attackspambots
Mar 18 23:07:09 v22019038103785759 sshd\[3725\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.188.133  user=root
Mar 18 23:07:12 v22019038103785759 sshd\[3725\]: Failed password for root from 45.55.188.133 port 44753 ssh2
Mar 18 23:11:40 v22019038103785759 sshd\[4068\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.188.133  user=root
Mar 18 23:11:42 v22019038103785759 sshd\[4068\]: Failed password for root from 45.55.188.133 port 53674 ssh2
Mar 18 23:13:53 v22019038103785759 sshd\[4205\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.188.133  user=root
...
2020-03-19 08:29:36
59.36.83.249 attackbots
Brute-force attempt banned
2020-03-19 08:32:47
125.124.70.22 attack
Mar 19 03:07:32 gw1 sshd[12596]: Failed password for root from 125.124.70.22 port 57016 ssh2
...
2020-03-19 08:33:34
217.112.128.221 attackbotsspam
postfix (unknown user, SPF fail or relay access denied)
2020-03-19 08:55:33
106.12.59.49 attackspambots
SASL PLAIN auth failed: ruser=...
2020-03-19 08:33:51
149.56.44.101 attackbotsspam
2020-03-18T18:10:03.664319linuxbox-skyline sshd[51420]: Invalid user alesiashavel from 149.56.44.101 port 56254
...
2020-03-19 08:21:42
186.193.7.110 attackbots
Sending SPAM email
2020-03-19 08:53:55
206.189.132.204 attackspam
Mar 18 21:37:35 ws24vmsma01 sshd[145741]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.132.204
Mar 18 21:37:36 ws24vmsma01 sshd[145741]: Failed password for invalid user ubuntu from 206.189.132.204 port 38704 ssh2
...
2020-03-19 08:40:32
91.121.109.45 attackbots
Mar 19 00:24:59  sshd[5072]: Failed password for invalid user gerrit from 91.121.109.45 port 38785 ssh2
2020-03-19 08:41:45

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