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: None

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 <<>> 104.21.51.109
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60329
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.109.			IN	A

;; AUTHORITY SECTION:
.			165	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 63 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:37:49 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 109.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 109.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
137.74.119.50 attackbotsspam
2019-10-12T06:21:09.446783homeassistant sshd[20135]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=137.74.119.50  user=root
2019-10-12T06:21:11.507737homeassistant sshd[20135]: Failed password for root from 137.74.119.50 port 33998 ssh2
...
2019-10-20 08:08:07
110.137.237.198 attackbotsspam
CMS brute force
...
2019-10-20 07:48:09
94.74.140.192 attackspam
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/94.74.140.192/ 
 
 IR - 1H : (58)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : IR 
 NAME ASN : ASN44208 
 
 IP : 94.74.140.192 
 
 CIDR : 94.74.128.0/18 
 
 PREFIX COUNT : 9 
 
 UNIQUE IP COUNT : 33792 
 
 
 ATTACKS DETECTED ASN44208 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-19 22:12:12 
 
 INFO : Server 403 - Looking for resource vulnerabilities Detected and Blocked by ADMIN  - data recovery
2019-10-20 07:59:28
61.185.139.72 attackspambots
Automatic report - Banned IP Access
2019-10-20 08:19:20
202.9.123.194 attackbotsspam
From CCTV User Interface Log
...::ffff:202.9.123.194 - - [19/Oct/2019:16:11:42 +0000] "GET / HTTP/1.1" 200 960
...
2019-10-20 08:19:35
37.59.110.165 attackbots
$f2bV_matches
2019-10-20 07:58:26
112.85.42.194 attackspambots
Oct 20 02:15:49 srv206 sshd[3034]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.194  user=root
Oct 20 02:15:52 srv206 sshd[3034]: Failed password for root from 112.85.42.194 port 40476 ssh2
...
2019-10-20 08:16:09
151.80.75.127 attackspambots
Oct 20 00:19:47 mail postfix/smtpd\[22135\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 20 01:02:11 mail postfix/smtpd\[22991\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 20 01:10:57 mail postfix/smtpd\[22991\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
Oct 20 01:23:15 mail postfix/smtpd\[23411\]: warning: unknown\[151.80.75.127\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6\
2019-10-20 08:01:26
67.215.251.158 attackspam
Automatic report - Banned IP Access
2019-10-20 08:01:05
123.207.2.120 attackbots
2019-10-19T23:16:01.273027abusebot-5.cloudsearch.cf sshd\[12389\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.2.120  user=root
2019-10-20 07:55:42
94.177.250.221 attack
leo_www
2019-10-20 08:08:44
134.73.55.82 attackbots
Oct 19 22:49:04 mxgate1 postfix/postscreen[4415]: CONNECT from [134.73.55.82]:49599 to [176.31.12.44]:25
Oct 19 22:49:04 mxgate1 postfix/dnsblog[4420]: addr 134.73.55.82 listed by domain zen.spamhaus.org as 127.0.0.3
Oct 19 22:49:04 mxgate1 postfix/dnsblog[4419]: addr 134.73.55.82 listed by domain bl.spamcop.net as 127.0.0.2
Oct 19 22:49:10 mxgate1 postfix/postscreen[4415]: DNSBL rank 3 for [134.73.55.82]:49599
Oct x@x
Oct 19 22:49:11 mxgate1 postfix/postscreen[4415]: DISCONNECT [134.73.55.82]:49599


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=134.73.55.82
2019-10-20 08:08:30
134.175.103.139 attackbots
Oct 19 19:59:42 TORMINT sshd\[27139\]: Invalid user dina from 134.175.103.139
Oct 19 19:59:42 TORMINT sshd\[27139\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=134.175.103.139
Oct 19 19:59:44 TORMINT sshd\[27139\]: Failed password for invalid user dina from 134.175.103.139 port 46588 ssh2
...
2019-10-20 08:15:48
124.93.18.202 attack
Invalid user melquior from 124.93.18.202 port 16039
2019-10-20 07:51:53
206.189.146.13 attack
Oct 19 22:05:42 legacy sshd[21439]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.146.13
Oct 19 22:05:45 legacy sshd[21439]: Failed password for invalid user ellacat from 206.189.146.13 port 39763 ssh2
Oct 19 22:12:13 legacy sshd[21702]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=206.189.146.13
...
2019-10-20 08:00:11

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