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 <<>> 104.21.74.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50850
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.74.72.			IN	A

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

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:53:35 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.74.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.74.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
106.12.25.123 attackspambots
Dec 28 09:02:41 server sshd\[5763\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.25.123  user=root
Dec 28 09:02:43 server sshd\[5763\]: Failed password for root from 106.12.25.123 port 36824 ssh2
Dec 28 09:25:00 server sshd\[9995\]: Invalid user again from 106.12.25.123
Dec 28 09:25:00 server sshd\[9995\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.25.123 
Dec 28 09:25:02 server sshd\[9995\]: Failed password for invalid user again from 106.12.25.123 port 58876 ssh2
...
2019-12-28 18:22:45
46.38.144.32 attack
Dec 28 11:35:14 relay postfix/smtpd\[3938\]: warning: unknown\[46.38.144.32\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 28 11:36:09 relay postfix/smtpd\[13890\]: warning: unknown\[46.38.144.32\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 28 11:38:32 relay postfix/smtpd\[24981\]: warning: unknown\[46.38.144.32\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 28 11:39:31 relay postfix/smtpd\[14475\]: warning: unknown\[46.38.144.32\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Dec 28 11:41:49 relay postfix/smtpd\[24981\]: warning: unknown\[46.38.144.32\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2019-12-28 18:51:03
81.246.203.57 attackbots
Dec 25 22:40:14 kmh-wmh-001-nbg01 sshd[14477]: Invalid user pi from 81.246.203.57 port 59340
Dec 25 22:40:14 kmh-wmh-001-nbg01 sshd[14478]: Invalid user pi from 81.246.203.57 port 59348
Dec 25 22:40:14 kmh-wmh-001-nbg01 sshd[14478]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.246.203.57
Dec 25 22:40:14 kmh-wmh-001-nbg01 sshd[14477]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.246.203.57
Dec 25 22:40:16 kmh-wmh-001-nbg01 sshd[14478]: Failed password for invalid user pi from 81.246.203.57 port 59348 ssh2
Dec 25 22:40:16 kmh-wmh-001-nbg01 sshd[14477]: Failed password for invalid user pi from 81.246.203.57 port 59340 ssh2
Dec 25 22:40:16 kmh-wmh-001-nbg01 sshd[14478]: Connection closed by 81.246.203.57 port 59348 [preauth]
Dec 25 22:40:16 kmh-wmh-001-nbg01 sshd[14477]: Connection closed by 81.246.203.57 port 59340 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?i
2019-12-28 18:32:24
59.63.189.113 attack
Honeypot attack, port: 445, PTR: PTR record not found
2019-12-28 18:23:08
85.192.138.149 attack
Dec 28 08:22:50 zeus sshd[16166]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=85.192.138.149 
Dec 28 08:22:53 zeus sshd[16166]: Failed password for invalid user rwright from 85.192.138.149 port 37064 ssh2
Dec 28 08:25:44 zeus sshd[16265]: Failed password for root from 85.192.138.149 port 36012 ssh2
2019-12-28 18:53:44
190.153.249.99 attackbotsspam
Dec 28 09:34:52 localhost sshd\[2366\]: Invalid user rapear from 190.153.249.99 port 33164
Dec 28 09:34:52 localhost sshd\[2366\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.153.249.99
Dec 28 09:34:54 localhost sshd\[2366\]: Failed password for invalid user rapear from 190.153.249.99 port 33164 ssh2
Dec 28 09:37:22 localhost sshd\[2410\]: Invalid user ramana from 190.153.249.99 port 42998
Dec 28 09:37:22 localhost sshd\[2410\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.153.249.99
...
2019-12-28 18:40:54
176.113.70.50 attackbots
[portscan] udp/1900 [ssdp]
[scan/connect: 11 time(s)]
*(RWIN=-)(12281307)
2019-12-28 18:30:47
73.100.211.143 attack
Brute-force attempt banned
2019-12-28 18:30:09
175.111.180.74 attackspam
Unauthorized connection attempt detected from IP address 175.111.180.74 to port 80
2019-12-28 18:20:46
222.186.175.182 attack
SSH Brute Force, server-1 sshd[15181]: Failed password for root from 222.186.175.182 port 32246 ssh2
2019-12-28 18:21:47
185.53.88.3 attack
\[2019-12-28 05:34:10\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-28T05:34:10.558-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011442037694876",SessionID="0x7f0fb41816e8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.3/51191",ACLName="no_extension_match"
\[2019-12-28 05:34:51\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-28T05:34:51.890-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="9011441519470639",SessionID="0x7f0fb4a5a908",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.3/63116",ACLName="no_extension_match"
\[2019-12-28 05:35:07\] SECURITY\[2857\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-12-28T05:35:07.417-0500",Severity="Error",Service="SIP",EventVersion="1",AccountID="011442037694876",SessionID="0x7f0fb43ef588",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/185.53.88.3/64618",ACLName="no_extensi
2019-12-28 18:46:16
91.125.81.218 attack
Honeypot attack, port: 23, PTR: 218.81.125.91.dyn.plus.net.
2019-12-28 18:28:18
54.38.234.209 attackspam
xmlrpc attack
2019-12-28 18:45:26
164.132.46.197 attackbots
Brute force attempt
2019-12-28 18:24:44
158.174.171.23 attackspam
Dec 28 12:34:21 pkdns2 sshd\[19499\]: Invalid user administracion from 158.174.171.23Dec 28 12:34:23 pkdns2 sshd\[19499\]: Failed password for invalid user administracion from 158.174.171.23 port 43023 ssh2Dec 28 12:34:52 pkdns2 sshd\[19509\]: Invalid user msr from 158.174.171.23Dec 28 12:34:54 pkdns2 sshd\[19509\]: Failed password for invalid user msr from 158.174.171.23 port 44060 ssh2Dec 28 12:35:22 pkdns2 sshd\[19581\]: Invalid user ariel from 158.174.171.23Dec 28 12:35:25 pkdns2 sshd\[19581\]: Failed password for invalid user ariel from 158.174.171.23 port 45067 ssh2
...
2019-12-28 18:41:16

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