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: Itech Telecom

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackspambots
Bruteforce detected by fail2ban
2020-08-28 22:36:41
attackspam
SSH login attempts.
2020-08-27 04:12:52
attackspam
Aug 20 12:07:00 scw-6657dc sshd[7596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19  user=root
Aug 20 12:07:00 scw-6657dc sshd[7596]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19  user=root
Aug 20 12:07:02 scw-6657dc sshd[7596]: Failed password for root from 138.121.128.19 port 34650 ssh2
...
2020-08-20 21:41:38
attackspam
Aug 16 11:13:11 ip106 sshd[21276]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19 
Aug 16 11:13:14 ip106 sshd[21276]: Failed password for invalid user els from 138.121.128.19 port 54574 ssh2
...
2020-08-16 17:40:47
attackspam
2020-08-12 23:16:34.372024-0500  localhost sshd[1565]: Failed password for root from 138.121.128.19 port 35192 ssh2
2020-08-13 18:23:37
attack
Aug  1 07:48:38 buvik sshd[7773]: Failed password for root from 138.121.128.19 port 51614 ssh2
Aug  1 07:52:14 buvik sshd[8385]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19  user=root
Aug  1 07:52:16 buvik sshd[8385]: Failed password for root from 138.121.128.19 port 46428 ssh2
...
2020-08-01 13:53:51
attackbots
Invalid user jira from 138.121.128.19 port 39228
2020-07-31 02:26:10
attack
$f2bV_matches
2020-07-14 14:36:17
attackbots
Jul 12 21:56:25 meumeu sshd[487515]: Invalid user admin1 from 138.121.128.19 port 41802
Jul 12 21:56:25 meumeu sshd[487515]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19 
Jul 12 21:56:25 meumeu sshd[487515]: Invalid user admin1 from 138.121.128.19 port 41802
Jul 12 21:56:27 meumeu sshd[487515]: Failed password for invalid user admin1 from 138.121.128.19 port 41802 ssh2
Jul 12 21:59:54 meumeu sshd[487606]: Invalid user redmine from 138.121.128.19 port 37862
Jul 12 21:59:54 meumeu sshd[487606]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19 
Jul 12 21:59:54 meumeu sshd[487606]: Invalid user redmine from 138.121.128.19 port 37862
Jul 12 21:59:55 meumeu sshd[487606]: Failed password for invalid user redmine from 138.121.128.19 port 37862 ssh2
Jul 12 22:03:22 meumeu sshd[488035]: Invalid user kos from 138.121.128.19 port 33926
...
2020-07-13 04:05:02
attackspam
Jun 30 21:05:34 vps sshd[15244]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19 
Jun 30 21:05:36 vps sshd[15244]: Failed password for invalid user upload from 138.121.128.19 port 46862 ssh2
Jun 30 21:19:25 vps sshd[16402]: Failed password for root from 138.121.128.19 port 56782 ssh2
...
2020-07-02 02:25:39
attackbots
Jun 20 14:13:56 sip sshd[713615]: Failed password for invalid user cynthia from 138.121.128.19 port 56554 ssh2
Jun 20 14:17:52 sip sshd[713652]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.128.19  user=root
Jun 20 14:17:54 sip sshd[713652]: Failed password for root from 138.121.128.19 port 56166 ssh2
...
2020-06-20 23:07:34
attackspam
frenzy
2020-06-20 14:08:36
attack
Honeypot attack, port: 445, PTR: 19.128.121.138.itechtelecom.net.br.
2020-02-24 00:56:33
attackbots
19/8/28@10:13:50: FAIL: Alarm-Intrusion address from=138.121.128.19
...
2019-08-29 05:08:37
Comments on same subnet:
IP Type Details Datetime
138.121.128.94 attackbotsspam
Unauthorized connection attempt detected from IP address 138.121.128.94 to port 8080
2020-07-22 20:46:44
138.121.128.20 attackbots
Icarus honeypot on github
2020-06-15 00:17:58
138.121.128.46 attack
Port Scan detected!
...
2020-05-27 06:42:30
138.121.128.46 attackspam
Connection by 138.121.128.46 on port: 23 got caught by honeypot at 5/14/2020 4:50:39 AM
2020-05-14 15:28:23
138.121.128.46 attackbots
May  4 05:49:17 debian-2gb-nbg1-2 kernel: \[10823057.891061\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=138.121.128.46 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=242 ID=58292 DF PROTO=TCP SPT=55491 DPT=8080 WINDOW=14600 RES=0x00 SYN URGP=0
2020-05-04 19:50:03
138.121.128.46 attack
Unauthorized connection attempt detected from IP address 138.121.128.46 to port 23 [J]
2020-02-06 04:46:44
138.121.128.20 attack
1433/tcp 445/tcp...
[2019-09-15/11-07]7pkt,2pt.(tcp)
2019-11-07 17:54:34
138.121.128.46 attackspambots
Automatic report - Port Scan Attack
2019-08-27 22:51:43
138.121.128.46 attackbots
Automatic report - Port Scan Attack
2019-08-07 09:20:28
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.121.128.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58313
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019082802 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Thu Aug 29 05:08:30 CST 2019
;; MSG SIZE  rcvd: 118
Host info
19.128.121.138.in-addr.arpa domain name pointer 19.128.121.138.itechtelecom.net.br.
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

Non-authoritative answer:
19.128.121.138.in-addr.arpa	name = 19.128.121.138.itechtelecom.net.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
51.178.29.191 attack
SSH BruteForce Attack
2020-06-25 23:45:57
159.203.82.104 attack
$f2bV_matches
2020-06-26 00:27:14
45.80.65.82 attack
Jun 25 14:48:44 xeon sshd[60351]: Failed password for invalid user test from 45.80.65.82 port 34528 ssh2
2020-06-25 23:41:58
62.234.145.195 attack
Jun 25 15:59:19 pkdns2 sshd\[59624\]: Invalid user test from 62.234.145.195Jun 25 15:59:21 pkdns2 sshd\[59624\]: Failed password for invalid user test from 62.234.145.195 port 40366 ssh2Jun 25 16:00:17 pkdns2 sshd\[59703\]: Invalid user jcq from 62.234.145.195Jun 25 16:00:19 pkdns2 sshd\[59703\]: Failed password for invalid user jcq from 62.234.145.195 port 48770 ssh2Jun 25 16:01:10 pkdns2 sshd\[59730\]: Failed password for root from 62.234.145.195 port 57160 ssh2Jun 25 16:01:59 pkdns2 sshd\[59746\]: Invalid user student from 62.234.145.195
...
2020-06-25 23:40:31
70.35.201.184 attackspam
(sshd) Failed SSH login from 70.35.201.184 (US/United States/-): 5 in the last 3600 secs
2020-06-26 00:14:58
222.186.175.151 attackbots
SSH Brute-Force attacks
2020-06-26 00:09:20
92.190.153.246 attack
detected by Fail2Ban
2020-06-26 00:08:49
91.231.165.95 attackspambots
Jun 25 15:23:15 home sshd[1799]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.231.165.95
Jun 25 15:23:15 home sshd[1801]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.231.165.95
Jun 25 15:23:17 home sshd[1799]: Failed password for invalid user pi from 91.231.165.95 port 51196 ssh2
...
2020-06-25 23:55:43
46.101.40.21 attackbotsspam
ET CINS Active Threat Intelligence Poor Reputation IP group 28 - port: 29505 proto: TCP cat: Misc Attack
2020-06-25 23:36:40
159.89.177.46 attack
$f2bV_matches
2020-06-25 23:38:25
49.234.10.48 attack
Jun 25 13:44:50 onepixel sshd[2905643]: Invalid user lizk from 49.234.10.48 port 55400
Jun 25 13:44:50 onepixel sshd[2905643]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.10.48 
Jun 25 13:44:50 onepixel sshd[2905643]: Invalid user lizk from 49.234.10.48 port 55400
Jun 25 13:44:52 onepixel sshd[2905643]: Failed password for invalid user lizk from 49.234.10.48 port 55400 ssh2
Jun 25 13:49:08 onepixel sshd[2907743]: Invalid user pablo from 49.234.10.48 port 48210
2020-06-25 23:41:31
178.128.70.61 attackspam
20 attempts against mh-ssh on cloud
2020-06-26 00:19:52
192.241.232.124 attack
ET SCAN Zmap User-Agent (Inbound) - port: 80 proto: TCP cat: Detection of a Network Scan
2020-06-25 23:53:50
177.131.122.106 attackspambots
Jun 25 16:48:22 eventyay sshd[7039]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.131.122.106
Jun 25 16:48:24 eventyay sshd[7039]: Failed password for invalid user thomas from 177.131.122.106 port 39080 ssh2
Jun 25 16:53:09 eventyay sshd[7133]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.131.122.106
...
2020-06-25 23:45:41
159.89.174.226 attack
$f2bV_matches
2020-06-25 23:48:11

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