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 <<>> 104.21.74.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 60483
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.74.81.			IN	A

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

;; Query time: 86 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:53:40 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.74.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.74.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
187.167.193.75 attack
Port probing on unauthorized port 23
2020-02-09 06:51:01
176.49.165.199 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:20:22.
2020-02-09 06:42:49
179.184.59.121 attackspam
Feb  8 17:42:26 MK-Soft-Root2 sshd[19160]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=179.184.59.121 
Feb  8 17:42:28 MK-Soft-Root2 sshd[19160]: Failed password for invalid user om from 179.184.59.121 port 10291 ssh2
...
2020-02-09 06:39:10
193.228.161.18 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:20:27.
2020-02-09 06:36:14
35.194.155.97 attackbotsspam
Feb  8 23:07:03 MK-Soft-Root2 sshd[27036]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.194.155.97 
Feb  8 23:07:05 MK-Soft-Root2 sshd[27036]: Failed password for invalid user uvk from 35.194.155.97 port 35844 ssh2
...
2020-02-09 06:50:28
106.212.146.255 attackbots
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:20:18.
2020-02-09 06:50:05
138.68.83.7 attackbots
firewall-block, port(s): 5901/tcp
2020-02-09 06:49:17
123.116.48.34 attack
Port 1433 Scan
2020-02-09 06:21:41
164.77.117.10 attackbots
Feb  8 15:20:47 haigwepa sshd[30422]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.77.117.10 
Feb  8 15:20:49 haigwepa sshd[30422]: Failed password for invalid user adf from 164.77.117.10 port 55586 ssh2
...
2020-02-09 06:13:59
78.36.255.172 attackbotsspam
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:20:45.
2020-02-09 06:19:10
27.211.212.146 attackspam
2020-02-08T20:50:22.125935abusebot.cloudsearch.cf sshd[6118]: Invalid user pi from 27.211.212.146 port 55614
2020-02-08T20:50:22.191212abusebot.cloudsearch.cf sshd[6120]: Invalid user pi from 27.211.212.146 port 55616
2020-02-08T20:50:22.290730abusebot.cloudsearch.cf sshd[6118]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.211.212.146
2020-02-08T20:50:22.125935abusebot.cloudsearch.cf sshd[6118]: Invalid user pi from 27.211.212.146 port 55614
2020-02-08T20:50:24.659966abusebot.cloudsearch.cf sshd[6118]: Failed password for invalid user pi from 27.211.212.146 port 55614 ssh2
2020-02-08T20:50:22.349382abusebot.cloudsearch.cf sshd[6120]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.211.212.146
2020-02-08T20:50:22.191212abusebot.cloudsearch.cf sshd[6120]: Invalid user pi from 27.211.212.146 port 55616
2020-02-08T20:50:24.718607abusebot.cloudsearch.cf sshd[6120]: Failed password for invalid user pi fr
...
2020-02-09 06:12:50
5.18.235.48 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:20:44.
2020-02-09 06:21:17
69.66.204.77 attackbotsspam
RDPBruteFlS
2020-02-09 06:45:12
111.231.143.71 attackspambots
Feb  8 21:20:36  sshd[29573]: Failed password for invalid user ucl from 111.231.143.71 port 49802 ssh2
2020-02-09 06:44:54
49.145.233.69 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 08-02-2020 14:20:42.
2020-02-09 06:23:36

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