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: United States

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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.54.43
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19169
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.43.			IN	A

;; AUTHORITY SECTION:
.			442	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022401 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 25 12:15:12 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 43.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 43.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
109.73.65.235 attackspam
Jul 17 07:42:47 mxgate1 postfix/postscreen[14130]: CONNECT from [109.73.65.235]:64413 to [176.31.12.44]:25
Jul 17 07:42:47 mxgate1 postfix/dnsblog[14135]: addr 109.73.65.235 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Jul 17 07:42:47 mxgate1 postfix/dnsblog[14133]: addr 109.73.65.235 listed by domain b.barracudacentral.org as 127.0.0.2
Jul 17 07:42:53 mxgate1 postfix/postscreen[14130]: DNSBL rank 2 for [109.73.65.235]:64413
Jul x@x
Jul 17 07:42:53 mxgate1 postfix/postscreen[14130]: DISCONNECT [109.73.65.235]:64413


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=109.73.65.235
2019-07-17 17:13:39
140.143.69.34 attackbots
Jul 17 11:18:36 yabzik sshd[26848]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.69.34
Jul 17 11:18:38 yabzik sshd[26848]: Failed password for invalid user vivo from 140.143.69.34 port 60273 ssh2
Jul 17 11:22:04 yabzik sshd[27957]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.69.34
2019-07-17 16:34:19
148.251.81.146 attackspam
Received: from hefa5.ialla.com (hefa5.ialla.com [148.251.81.146])
Received: from testkonto by hefa5.ialla.com with local (Exim 4.89)
Subject: Failed Faktura kvittering, 16. juli
From: Service Client 
2019-07-17 16:28:03
193.32.163.123 attackbots
2019-07-17T08:10:40.153054abusebot-3.cloudsearch.cf sshd\[11010\]: Invalid user admin from 193.32.163.123 port 46867
2019-07-17 16:25:29
191.240.37.14 attack
failed_logins
2019-07-17 16:51:18
83.221.180.122 attackspam
@LucianNitescu Personal Honeypot Network <<<>>> Donate at paypal.me/LNitescu <<<>>> 2019-07-17 00:49:23,786 INFO [shellcode_manager] (83.221.180.122) no match, writing hexdump (a5cc0cb584c7869b8757c6500ff46b7a :2243589) - MS17010 (EternalBlue)
2019-07-17 16:50:42
176.36.119.166 attackspambots
firewall-block, port(s): 23/tcp
2019-07-17 16:45:12
187.177.27.118 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-17 16:32:54
80.53.7.213 attackspam
Jul 17 04:05:10 aat-srv002 sshd[5919]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.53.7.213
Jul 17 04:05:12 aat-srv002 sshd[5919]: Failed password for invalid user admin from 80.53.7.213 port 49140 ssh2
Jul 17 04:09:59 aat-srv002 sshd[5985]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.53.7.213
Jul 17 04:10:01 aat-srv002 sshd[5985]: Failed password for invalid user karen from 80.53.7.213 port 47998 ssh2
...
2019-07-17 17:12:00
174.6.93.60 attackbots
Jul 17 10:04:28 microserver sshd[16212]: Invalid user kkk from 174.6.93.60 port 58584
Jul 17 10:04:28 microserver sshd[16212]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.6.93.60
Jul 17 10:04:30 microserver sshd[16212]: Failed password for invalid user kkk from 174.6.93.60 port 58584 ssh2
Jul 17 10:10:15 microserver sshd[17833]: Invalid user test from 174.6.93.60 port 56070
Jul 17 10:10:15 microserver sshd[17833]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.6.93.60
Jul 17 10:21:48 microserver sshd[20254]: Invalid user meme from 174.6.93.60 port 51034
Jul 17 10:21:48 microserver sshd[20254]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=174.6.93.60
Jul 17 10:21:50 microserver sshd[20254]: Failed password for invalid user meme from 174.6.93.60 port 51034 ssh2
Jul 17 10:28:32 microserver sshd[21615]: Invalid user ajay from 174.6.93.60 port 53128
Jul 17 10:28:32 microserver ssh
2019-07-17 16:52:44
49.88.112.69 attackspam
2019-07-17T15:15:00.732585enmeeting.mahidol.ac.th sshd\[8108\]: User root from 49.88.112.69 not allowed because not listed in AllowUsers
2019-07-17T15:15:55.925231enmeeting.mahidol.ac.th sshd\[8115\]: User root from 49.88.112.69 not allowed because not listed in AllowUsers
2019-07-17T15:15:56.332252enmeeting.mahidol.ac.th sshd\[8115\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.69  user=root
...
2019-07-17 16:41:13
154.70.17.101 attackbots
Automatic report - SSH Brute-Force Attack
2019-07-17 16:24:33
196.41.122.250 attackspam
Jul 17 10:25:28 meumeu sshd[14056]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.41.122.250 
Jul 17 10:25:30 meumeu sshd[14056]: Failed password for invalid user guest from 196.41.122.250 port 45210 ssh2
Jul 17 10:32:16 meumeu sshd[15226]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.41.122.250 
...
2019-07-17 16:48:44
80.82.70.118 attackbotsspam
scan r
2019-07-17 17:05:32
51.38.125.177 attackspam
Jul 17 08:17:09 ip-172-31-1-72 sshd\[11859\]: Invalid user postgres from 51.38.125.177
Jul 17 08:17:09 ip-172-31-1-72 sshd\[11859\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.125.177
Jul 17 08:17:11 ip-172-31-1-72 sshd\[11859\]: Failed password for invalid user postgres from 51.38.125.177 port 52764 ssh2
Jul 17 08:21:56 ip-172-31-1-72 sshd\[11925\]: Invalid user me from 51.38.125.177
Jul 17 08:21:56 ip-172-31-1-72 sshd\[11925\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.38.125.177
2019-07-17 16:28:54

Recently Reported IPs

104.247.72.68 104.21.54.50 104.21.56.123 104.21.56.237
104.21.57.34 104.21.58.64 104.21.57.3 104.247.73.113
104.247.73.146 104.247.73.20 104.247.73.214 104.247.73.54
179.42.150.0 104.247.74.208 104.247.75.167 104.247.75.222
104.247.75.233 104.21.60.10 104.21.6.204 104.21.6.217