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 <<>> 104.21.91.20
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44450
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.91.20.			IN	A

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

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:22:12 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 20.91.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 20.91.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
42.118.94.20 attackspam
Honeypot attack, port: 81, PTR: PTR record not found
2020-07-06 01:38:47
120.70.99.15 attackbotsspam
Jul  5 15:18:36 lukav-desktop sshd\[23008\]: Invalid user deployer from 120.70.99.15
Jul  5 15:18:36 lukav-desktop sshd\[23008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.99.15
Jul  5 15:18:37 lukav-desktop sshd\[23008\]: Failed password for invalid user deployer from 120.70.99.15 port 46403 ssh2
Jul  5 15:22:50 lukav-desktop sshd\[23038\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.99.15  user=root
Jul  5 15:22:53 lukav-desktop sshd\[23038\]: Failed password for root from 120.70.99.15 port 42807 ssh2
2020-07-06 01:37:26
106.75.55.46 attackbotsspam
Cluster member 67.227.229.95 (US/United States/saathoff.geek) said, DENY 106.75.55.46, Reason:[(sshd) Failed SSH login from 106.75.55.46 (CN/China/-): 1 in the last 3600 secs]; Ports: *; Direction: inout; Trigger: LF_CLUSTER
2020-07-06 01:51:37
80.255.130.197 attackbotsspam
srv02 SSH BruteForce Attacks 22 ..
2020-07-06 01:35:27
51.255.35.58 attack
Banned for a week because repeated abuses, for example SSH, but not only
2020-07-06 01:42:18
220.134.162.115 attack
Honeypot attack, port: 81, PTR: 220-134-162-115.HINET-IP.hinet.net.
2020-07-06 01:47:10
40.85.226.217 attack
Jul  5 14:22:15 IngegnereFirenze sshd[24236]: Failed password for invalid user hacker from 40.85.226.217 port 21000 ssh2
...
2020-07-06 01:32:46
104.196.191.134 attack
Jul  5 18:06:20 hosting sshd[30023]: Invalid user nodes0 from 104.196.191.134 port 53595
...
2020-07-06 01:12:33
41.254.44.62 attackspam
VNC brute force attack detected by fail2ban
2020-07-06 01:45:56
115.68.238.59 attack
Jul  5 16:04:50 server sshd[11142]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.68.238.59
Jul  5 16:04:52 server sshd[11142]: Failed password for invalid user delta from 115.68.238.59 port 53312 ssh2
Jul  5 16:08:17 server sshd[11342]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.68.238.59
...
2020-07-06 01:40:45
109.191.177.148 attack
Unauthorized connection attempt detected from IP address 109.191.177.148 to port 139
2020-07-06 01:42:03
27.147.44.2 attackbots
Honeypot attack, port: 5555, PTR: PTR record not found
2020-07-06 01:25:15
175.138.108.78 attackbotsspam
Cowrie Honeypot: 3 unauthorised SSH/Telnet login attempts between 2020-07-05T12:19:37Z and 2020-07-05T12:22:55Z
2020-07-06 01:36:54
113.252.252.148 attack
Honeypot attack, port: 5555, PTR: 148-252-252-113-on-nets.com.
2020-07-06 01:35:43
91.121.205.83 attackspam
Jul  5 11:27:10 er4gw sshd[10541]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.121.205.83  user=backup
2020-07-06 01:31:31

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