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 <<>> 104.21.21.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52700
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.81.			IN	A

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

;; Query time: 176 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 18:58:10 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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119.90.100.200 attackbotsspam
Auto Detect Rule!
proto TCP (SYN), 119.90.100.200:50047->gjan.info:1433, len 40
2020-07-15 17:52:14
203.162.54.246 attackspam
Connection to SSH Honeypot - Detected by HoneypotDB
2020-07-15 18:12:03
52.162.34.193 attackbots
$f2bV_matches
2020-07-15 18:05:15
54.39.16.73 attackbotsspam
Web Server Attack
2020-07-15 17:54:23
218.245.5.248 attackspambots
Jul 15 15:10:25 dhoomketu sshd[1531318]: Invalid user cpd from 218.245.5.248 port 45213
Jul 15 15:10:25 dhoomketu sshd[1531318]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.245.5.248 
Jul 15 15:10:25 dhoomketu sshd[1531318]: Invalid user cpd from 218.245.5.248 port 45213
Jul 15 15:10:27 dhoomketu sshd[1531318]: Failed password for invalid user cpd from 218.245.5.248 port 45213 ssh2
Jul 15 15:12:14 dhoomketu sshd[1531375]: Invalid user admin from 218.245.5.248 port 12540
...
2020-07-15 17:50:23
217.150.211.7 attack
Jul 15 01:22:11 XXX sshd[41604]: Invalid user concrete from 217.150.211.7 port 53894
2020-07-15 18:10:05
103.226.248.231 attack
Wordpress attack
2020-07-15 17:39:45
120.70.98.132 attackspam
Invalid user scenes from 120.70.98.132 port 41075
2020-07-15 18:14:40
121.2.64.213 attackspambots
2020-07-15T07:41:12.106558randservbullet-proofcloud-66.localdomain sshd[1697]: Invalid user admin from 121.2.64.213 port 36608
2020-07-15T07:41:12.110859randservbullet-proofcloud-66.localdomain sshd[1697]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=p0240d5.aiciff01.ap.so-net.ne.jp
2020-07-15T07:41:12.106558randservbullet-proofcloud-66.localdomain sshd[1697]: Invalid user admin from 121.2.64.213 port 36608
2020-07-15T07:41:14.490868randservbullet-proofcloud-66.localdomain sshd[1697]: Failed password for invalid user admin from 121.2.64.213 port 36608 ssh2
...
2020-07-15 18:14:20
123.200.20.34 attackspambots
Unauthorized IMAP connection attempt
2020-07-15 17:45:45
217.160.250.166 attack
Many_bad_calls
2020-07-15 17:52:29
136.232.97.50 attack
Port scan on 1 port(s): 445
2020-07-15 17:39:13
185.143.223.245 attackspam
Port scanning [3 denied]
2020-07-15 17:35:47
111.61.96.148 attackbotsspam
Auto Detect Rule!
proto TCP (SYN), 111.61.96.148:51854->gjan.info:1433, len 40
2020-07-15 17:46:11
190.253.242.14 attackspam
1594778410 - 07/15/2020 04:00:10 Host: 190.253.242.14/190.253.242.14 Port: 445 TCP Blocked
2020-07-15 17:51:20

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