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 <<>> 104.21.81.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35456
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.42.			IN	A

;; AUTHORITY SECTION:
.			208	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 182 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:20:31 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 42.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.195.200.148 attack
2019-07-12T11:28:24.059375abusebot-7.cloudsearch.cf sshd\[24668\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.195.200.148  user=root
2019-07-12 19:32:43
185.176.26.14 attackbots
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2019-07-12 19:40:58
49.150.253.170 attackspam
php WP PHPmyadamin ABUSE blocked for 12h
2019-07-12 19:25:45
186.232.15.192 attack
mail.log:Jun 30 10:29:34 mail postfix/smtpd[26254]: warning: unknown[186.232.15.192]: SASL PLAIN authentication failed: authentication failure
2019-07-12 19:40:21
37.49.225.87 attackspam
Jul 12 14:30:12 yabzik postfix/smtpd[12221]: warning: unknown[37.49.225.87]: SASL LOGIN authentication failed: authentication failure
Jul 12 14:30:14 yabzik postfix/smtpd[12221]: warning: unknown[37.49.225.87]: SASL LOGIN authentication failed: authentication failure
Jul 12 14:30:16 yabzik postfix/smtpd[12221]: warning: unknown[37.49.225.87]: SASL LOGIN authentication failed: authentication failure
Jul 12 14:30:19 yabzik postfix/smtpd[12221]: warning: unknown[37.49.225.87]: SASL LOGIN authentication failed: authentication failure
Jul 12 14:30:21 yabzik postfix/smtpd[12221]: warning: unknown[37.49.225.87]: SASL LOGIN authentication failed: authentication failure
2019-07-12 19:39:02
221.146.233.140 attackbotsspam
2019-07-12T11:20:03.896003abusebot-8.cloudsearch.cf sshd\[26458\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=221.146.233.140  user=root
2019-07-12 19:28:48
1.1.216.254 attackbotsspam
Unauthorized connection attempt from IP address 1.1.216.254 on Port 445(SMB)
2019-07-12 19:51:53
193.169.252.30 attackbotsspam
wordpress exploit scan
...
2019-07-12 19:50:15
193.201.224.195 attackspambots
WordPress brute force
2019-07-12 19:49:46
81.130.234.235 attack
Jul 12 07:47:05 plusreed sshd[2482]: Invalid user andreas from 81.130.234.235
...
2019-07-12 19:55:31
54.37.120.112 attackbots
Jul 12 12:57:50 localhost sshd\[18188\]: Invalid user washington from 54.37.120.112 port 38400
Jul 12 12:57:50 localhost sshd\[18188\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.120.112
...
2019-07-12 20:10:48
139.59.41.154 attack
Jul 12 07:20:47 vps200512 sshd\[18697\]: Invalid user Guest from 139.59.41.154
Jul 12 07:20:47 vps200512 sshd\[18697\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.41.154
Jul 12 07:20:49 vps200512 sshd\[18697\]: Failed password for invalid user Guest from 139.59.41.154 port 37970 ssh2
Jul 12 07:29:29 vps200512 sshd\[18932\]: Invalid user cc from 139.59.41.154
Jul 12 07:29:29 vps200512 sshd\[18932\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.41.154
2019-07-12 19:32:10
1.213.195.154 attackspam
Jul 12 12:15:54 debian sshd\[22438\]: Invalid user server from 1.213.195.154 port 30468
Jul 12 12:15:54 debian sshd\[22438\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=1.213.195.154
...
2019-07-12 19:40:03
192.145.99.250 attack
WordPress brute force
2019-07-12 19:51:23
216.218.206.107 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-07-12 20:17:12

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