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: unknown

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 138.121.50.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10732
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.121.50.21.			IN	A

;; AUTHORITY SECTION:
.			599	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021300 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 13 14:35:19 CST 2022
;; MSG SIZE  rcvd: 106
Host info
21.50.121.138.in-addr.arpa domain name pointer 50-121-138-21.clientes.microtellinternet.com.br.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
21.50.121.138.in-addr.arpa	name = 50-121-138-21.clientes.microtellinternet.com.br.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
121.28.142.134 attackbots
10/09/2019-23:46:17.480342 121.28.142.134 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2019-10-10 18:01:00
172.93.0.45 attackspambots
Oct  9 22:51:33 sachi sshd\[17120\]: Invalid user 5tgb6yhn from 172.93.0.45
Oct  9 22:51:33 sachi sshd\[17120\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.93.0.45
Oct  9 22:51:35 sachi sshd\[17120\]: Failed password for invalid user 5tgb6yhn from 172.93.0.45 port 46268 ssh2
Oct  9 22:55:47 sachi sshd\[17466\]: Invalid user 5tgb6yhn from 172.93.0.45
Oct  9 22:55:47 sachi sshd\[17466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.93.0.45
2019-10-10 18:00:29
167.114.98.169 attack
$f2bV_matches
2019-10-10 17:58:54
45.45.45.45 attack
10.10.2019 09:28:24 Recursive DNS scan
2019-10-10 17:37:41
202.71.9.242 attackbotsspam
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/202.71.9.242/ 
 IN - 1H : (104)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : IN 
 NAME ASN : ASN56209 
 
 IP : 202.71.9.242 
 
 CIDR : 202.71.9.0/24 
 
 PREFIX COUNT : 93 
 
 UNIQUE IP COUNT : 24064 
 
 
 WYKRYTE ATAKI Z ASN56209 :  
  1H - 1 
  3H - 2 
  6H - 2 
 12H - 2 
 24H - 2 
 
 DateTime : 2019-10-10 05:46:22 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-10 17:57:10
139.59.169.37 attack
Automatic report - Banned IP Access
2019-10-10 17:41:21
144.217.40.3 attackbots
Oct 10 07:02:47 SilenceServices sshd[10022]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.40.3
Oct 10 07:02:50 SilenceServices sshd[10022]: Failed password for invalid user Root!23Qwe from 144.217.40.3 port 42998 ssh2
Oct 10 07:06:53 SilenceServices sshd[11069]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=144.217.40.3
2019-10-10 17:35:03
186.201.214.163 attack
$f2bV_matches
2019-10-10 17:43:33
36.76.110.251 attackspambots
Unauthorised access (Oct 10) SRC=36.76.110.251 LEN=52 TTL=247 ID=10639 DF TCP DPT=445 WINDOW=8192 SYN
2019-10-10 17:33:10
71.72.12.0 attack
Oct 10 05:41:35 icinga sshd[31123]: Failed password for root from 71.72.12.0 port 57510 ssh2
...
2019-10-10 17:51:20
178.216.202.56 attack
Oct 10 08:23:32 mail sshd[22881]: Failed password for root from 178.216.202.56 port 54239 ssh2
...
2019-10-10 17:42:44
69.94.131.128 attackspam
Spam mails sent to address hacked/leaked from Nexus Mods in July 2013
2019-10-10 18:09:05
145.239.87.109 attackbotsspam
Oct  9 18:17:17 auw2 sshd\[17981\]: Invalid user Jelszo_!@\# from 145.239.87.109
Oct  9 18:17:17 auw2 sshd\[17981\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.ip-145-239-87.eu
Oct  9 18:17:18 auw2 sshd\[17981\]: Failed password for invalid user Jelszo_!@\# from 145.239.87.109 port 50416 ssh2
Oct  9 18:21:33 auw2 sshd\[18358\]: Invalid user 123Zara from 145.239.87.109
Oct  9 18:21:33 auw2 sshd\[18358\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=109.ip-145-239-87.eu
2019-10-10 17:39:25
66.70.228.168 attackbotsspam
langenachtfulda.de:80 66.70.228.168 - - \[10/Oct/2019:05:46:14 +0200\] "POST /xmlrpc.php HTTP/1.0" 301 503 "-" "Mozilla/5.0 \(Macintosh\; Intel Mac OS X 10_12_6\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/69.0.3497.100 Safari/537.36"
langenachtfulda.de 66.70.228.168 \[10/Oct/2019:05:46:16 +0200\] "POST /xmlrpc.php HTTP/1.0" 200 3777 "-" "Mozilla/5.0 \(Macintosh\; Intel Mac OS X 10_12_6\) AppleWebKit/537.36 \(KHTML, like Gecko\) Chrome/69.0.3497.100 Safari/537.36"
2019-10-10 18:01:32
183.146.209.68 attackbots
Unauthorized access to SSH at 10/Oct/2019:05:05:55 +0000.
Received:  (SSH-2.0-libssh2_1.7.0)
2019-10-10 18:13:01

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