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: GNet Provedor

Hostname: unknown

Organization: unknown

Usage Type: Fixed Line ISP

Comments:
Type Details Datetime
attackbotsspam
Invalid user gdk from 138.121.35.102 port 52028
2020-01-14 08:30:29
attackspambots
2020-01-02T15:01:37.915019shield sshd\[16924\]: Invalid user smutz from 138.121.35.102 port 48111
2020-01-02T15:01:37.919930shield sshd\[16924\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.35.102
2020-01-02T15:01:40.688456shield sshd\[16924\]: Failed password for invalid user smutz from 138.121.35.102 port 48111 ssh2
2020-01-02T15:06:57.292474shield sshd\[18822\]: Invalid user broulik from 138.121.35.102 port 51146
2020-01-02T15:06:57.298102shield sshd\[18822\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.35.102
2020-01-03 05:44:59
attackspam
Dec 11 13:08:09 webhost01 sshd[26892]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.35.102
Dec 11 13:08:11 webhost01 sshd[26892]: Failed password for invalid user nhien from 138.121.35.102 port 33551 ssh2
...
2019-12-11 14:08:39
attackspam
Lines containing failures of 138.121.35.102
Nov 30 08:07:08 home sshd[10077]: Invalid user test7 from 138.121.35.102 port 34744
Nov 30 08:07:08 home sshd[10077]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.121.35.102 
Nov 30 08:07:10 home sshd[10077]: Failed password for invalid user test7 from 138.121.35.102 port 34744 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=138.121.35.102
2019-11-30 18:20:58
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.121.35.102
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33200
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			593	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019113000 1800 900 604800 86400

;; Query time: 121 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Nov 30 18:20:51 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 102.35.121.138.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 102.35.121.138.in-addr.arpa: SERVFAIL
Related IP info:
Related comments:
IP Type Details Datetime
132.232.64.179 attackbotsspam
Brute-force attempt banned
2020-03-11 05:01:24
183.88.75.33 attackbots
Multiport scan 2 ports : 8291(x2) 8728
2020-03-11 05:25:47
175.24.109.20 attack
Mar 10 11:08:15 auw2 sshd\[23095\]: Invalid user user from 175.24.109.20
Mar 10 11:08:15 auw2 sshd\[23095\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.109.20
Mar 10 11:08:18 auw2 sshd\[23095\]: Failed password for invalid user user from 175.24.109.20 port 43278 ssh2
Mar 10 11:13:51 auw2 sshd\[23561\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.24.109.20  user=auw
Mar 10 11:13:53 auw2 sshd\[23561\]: Failed password for auw from 175.24.109.20 port 41372 ssh2
2020-03-11 05:24:14
103.30.94.210 attackbots
suspicious action Tue, 10 Mar 2020 15:14:48 -0300
2020-03-11 05:18:07
61.216.179.127 attack
[ssh] SSH attack
2020-03-11 05:21:58
128.199.106.169 attackbots
Mar 10 21:13:50 163-172-32-151 sshd[1431]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.106.169  user=root
Mar 10 21:13:52 163-172-32-151 sshd[1431]: Failed password for root from 128.199.106.169 port 52954 ssh2
...
2020-03-11 05:19:46
218.92.0.198 attackspambots
Mar 10 19:13:41 amit sshd\[21344\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.198  user=root
Mar 10 19:13:43 amit sshd\[21344\]: Failed password for root from 218.92.0.198 port 30794 ssh2
Mar 10 19:14:41 amit sshd\[21368\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.198  user=root
...
2020-03-11 05:20:36
201.182.66.18 attack
invalid login attempt (haval160-4.cryptohash123)
2020-03-11 05:02:29
212.64.127.106 attack
$f2bV_matches
2020-03-11 05:23:40
213.246.195.204 attackspam
Suspicious access to SMTP/POP/IMAP services.
2020-03-11 05:09:09
158.58.190.34 attack
MYH,DEF GET /wp-login.php
2020-03-11 05:04:49
37.59.232.6 attack
Mar 10 10:53:05 wbs sshd\[28293\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip6.ip-37-59-232.eu  user=root
Mar 10 10:53:07 wbs sshd\[28293\]: Failed password for root from 37.59.232.6 port 53820 ssh2
Mar 10 10:59:47 wbs sshd\[29028\]: Invalid user nx from 37.59.232.6
Mar 10 10:59:47 wbs sshd\[29028\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ip6.ip-37-59-232.eu
Mar 10 10:59:49 wbs sshd\[29028\]: Failed password for invalid user nx from 37.59.232.6 port 32898 ssh2
2020-03-11 05:11:48
185.172.110.238 attack
185.172.110.238 was recorded 5 times by 5 hosts attempting to connect to the following ports: 3702. Incident counter (4h, 24h, all-time): 5, 24, 230
2020-03-11 05:07:04
93.171.241.5 attackbotsspam
Mar 11 02:20:26 areeb-Workstation sshd[7777]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=93.171.241.5 
Mar 11 02:20:27 areeb-Workstation sshd[7777]: Failed password for invalid user gitlab-prometheus from 93.171.241.5 port 39600 ssh2
...
2020-03-11 05:05:10
78.128.113.93 attack
2020-03-10 22:27:16 dovecot_login authenticator failed for \(ip-113-93.4vendeta.com.\) \[78.128.113.93\]: 535 Incorrect authentication data \(set_id=adminzxc@no-server.de\)
2020-03-10 22:27:24 dovecot_login authenticator failed for \(ip-113-93.4vendeta.com.\) \[78.128.113.93\]: 535 Incorrect authentication data
2020-03-10 22:27:33 dovecot_login authenticator failed for \(ip-113-93.4vendeta.com.\) \[78.128.113.93\]: 535 Incorrect authentication data
2020-03-10 22:27:39 dovecot_login authenticator failed for \(ip-113-93.4vendeta.com.\) \[78.128.113.93\]: 535 Incorrect authentication data
2020-03-10 22:27:52 dovecot_login authenticator failed for \(ip-113-93.4vendeta.com.\) \[78.128.113.93\]: 535 Incorrect authentication data
...
2020-03-11 05:39:09

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