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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.51.56
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24534
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.51.56.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:35:28 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 56.51.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 56.51.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
124.236.22.54 attackbotsspam
Oct 17 10:01:51 apollo sshd\[29922\]: Failed password for root from 124.236.22.54 port 52674 ssh2Oct 17 10:17:44 apollo sshd\[29991\]: Invalid user web from 124.236.22.54Oct 17 10:17:47 apollo sshd\[29991\]: Failed password for invalid user web from 124.236.22.54 port 56980 ssh2
...
2019-10-17 17:34:03
183.129.53.109 attackspambots
Oct 17 05:33:38 mxgate1 postfix/postscreen[2408]: CONNECT from [183.129.53.109]:63102 to [176.31.12.44]:25
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2766]: addr 183.129.53.109 listed by domain cbl.abuseat.org as 127.0.0.2
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2767]: addr 183.129.53.109 listed by domain zen.spamhaus.org as 127.0.0.11
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2767]: addr 183.129.53.109 listed by domain zen.spamhaus.org as 127.0.0.3
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2767]: addr 183.129.53.109 listed by domain zen.spamhaus.org as 127.0.0.4
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2768]: addr 183.129.53.109 listed by domain bl.spamcop.net as 127.0.0.2
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2774]: addr 183.129.53.109 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Oct 17 05:33:38 mxgate1 postfix/dnsblog[2765]: addr 183.129.53.109 listed by domain b.barracudacentral.org as 127.0.0.2
Oct 17 05:33:44 mxgate1 postfix/postscreen[2408]: DNSBL rank 6 for [183.........
-------------------------------
2019-10-17 17:44:14
45.114.244.56 attackspam
Oct 17 10:17:27 server sshd\[26989\]: Invalid user zimbra from 45.114.244.56
Oct 17 10:17:27 server sshd\[26989\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.114.244.56 
Oct 17 10:17:28 server sshd\[26989\]: Failed password for invalid user zimbra from 45.114.244.56 port 45037 ssh2
Oct 17 12:04:06 server sshd\[28382\]: Invalid user support from 45.114.244.56
Oct 17 12:04:06 server sshd\[28382\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.114.244.56 
...
2019-10-17 17:25:54
60.8.196.230 attack
Oct 17 04:54:02 vayu sshd[807697]: Invalid user cav from 60.8.196.230
Oct 17 04:54:02 vayu sshd[807697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.8.196.230 
Oct 17 04:54:04 vayu sshd[807697]: Failed password for invalid user cav from 60.8.196.230 port 42095 ssh2
Oct 17 04:54:04 vayu sshd[807697]: Received disconnect from 60.8.196.230: 11: Bye Bye [preauth]
Oct 17 05:08:17 vayu sshd[812775]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.8.196.230  user=r.r
Oct 17 05:08:18 vayu sshd[812775]: Failed password for r.r from 60.8.196.230 port 45809 ssh2
Oct 17 05:08:18 vayu sshd[812775]: Received disconnect from 60.8.196.230: 11: Bye Bye [preauth]
Oct 17 05:16:13 vayu sshd[815838]: Invalid user paulj from 60.8.196.230
Oct 17 05:16:13 vayu sshd[815838]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=60.8.196.230 
Oct 17 05:16:15 vayu sshd[81583........
-------------------------------
2019-10-17 17:26:39
49.70.47.85 attackspam
Port Scan: TCP/443
2019-10-17 17:12:49
187.58.181.88 attackbots
Automatic report - Port Scan Attack
2019-10-17 17:23:07
27.204.187.243 attackspam
Honeypot attack, port: 23, PTR: PTR record not found
2019-10-17 17:12:35
213.214.65.106 attackspam
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/213.214.65.106/ 
 BG - 1H : (20)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : BG 
 NAME ASN : ASN43205 
 
 IP : 213.214.65.106 
 
 CIDR : 213.214.64.0/19 
 
 PREFIX COUNT : 75 
 
 UNIQUE IP COUNT : 249856 
 
 
 WYKRYTE ATAKI Z ASN43205 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 2 
 
 DateTime : 2019-10-17 05:49:31 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-17 17:10:16
78.139.46.125 attackspambots
Honeypot attack, port: 23, PTR: business-78-139-46-125.business.broadband.hu.
2019-10-17 17:14:50
187.162.251.16 attack
scan z
2019-10-17 17:14:25
40.118.92.113 attackspambots
RDP Brute-Force (Grieskirchen RZ1)
2019-10-17 17:15:32
210.1.225.73 attack
Honeypot attack, port: 445, PTR: PTR record not found
2019-10-17 17:17:25
123.206.17.141 attack
2019-10-17T09:26:53.341133shield sshd\[6808\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.206.17.141  user=root
2019-10-17T09:26:55.020941shield sshd\[6808\]: Failed password for root from 123.206.17.141 port 35261 ssh2
2019-10-17T09:26:57.219152shield sshd\[6808\]: Failed password for root from 123.206.17.141 port 35261 ssh2
2019-10-17T09:26:59.697142shield sshd\[6808\]: Failed password for root from 123.206.17.141 port 35261 ssh2
2019-10-17T09:27:02.115474shield sshd\[6808\]: Failed password for root from 123.206.17.141 port 35261 ssh2
2019-10-17 17:32:15
180.76.176.174 attackbots
Oct 17 11:37:37 MK-Soft-VM4 sshd[21730]: Failed password for root from 180.76.176.174 port 48996 ssh2
...
2019-10-17 17:43:01
145.239.88.184 attackbots
Oct 17 04:51:04 web8 sshd\[13735\]: Invalid user do from 145.239.88.184
Oct 17 04:51:04 web8 sshd\[13735\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.88.184
Oct 17 04:51:06 web8 sshd\[13735\]: Failed password for invalid user do from 145.239.88.184 port 40826 ssh2
Oct 17 04:55:01 web8 sshd\[15673\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.88.184  user=root
Oct 17 04:55:03 web8 sshd\[15673\]: Failed password for root from 145.239.88.184 port 52018 ssh2
2019-10-17 17:24:15

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