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 <<>> 104.21.91.133
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 65239
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.91.133.			IN	A

;; AUTHORITY SECTION:
.			313	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022020700 1800 900 604800 86400

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Feb 07 21:28:35 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 133.91.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 133.91.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
46.188.98.10 attack
0,19-03/04 [bc02/m04] PostRequest-Spammer scoring: berlin
2020-02-08 07:15:28
27.127.142.118 attackspambots
Port probing on unauthorized port 23
2020-02-08 07:49:45
180.242.140.27 attackbotsspam
php WP PHPmyadamin ABUSE blocked for 12h
2020-02-08 07:44:56
178.173.1.247 attackbots
[portscan] Port scan
2020-02-08 07:27:07
146.88.240.4 attack
Multiport scan : 34 ports scanned 17(x5) 19(x3) 69(x2) 111(x2) 123(x9) 137(x5) 161(x3) 389(x4) 443(x5) 520(x5) 623(x3) 1194 1434(x4) 1604(x4) 1701 1900(x4) 3283(x5) 3702 5060(x4) 5093(x5) 5353(x5) 5683(x10) 7777 7778 7779 7780 7787 10001(x5) 11211(x5) 27017 27020 27962(x5) 28015 47808(x5)
2020-02-08 07:24:54
37.252.188.130 attackspambots
SASL PLAIN auth failed: ruser=...
2020-02-08 07:16:17
102.23.248.88 attackbotsspam
Automatic report - Port Scan Attack
2020-02-08 07:09:45
196.188.42.130 attackbotsspam
Feb  8 00:25:15 dedicated sshd[23538]: Invalid user yvb from 196.188.42.130 port 33321
2020-02-08 07:26:33
89.223.91.11 attackspambots
SSH bruteforce (Triggered fail2ban)
2020-02-08 07:20:33
116.213.168.244 attackbots
Feb  7 23:21:15 icinga sshd[47876]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.213.168.244 
Feb  7 23:21:17 icinga sshd[47876]: Failed password for invalid user ypt from 116.213.168.244 port 47586 ssh2
Feb  7 23:39:12 icinga sshd[64380]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=116.213.168.244 
...
2020-02-08 07:37:31
106.51.28.41 attackbotsspam
20/2/7@18:08:00: FAIL: Alarm-Network address from=106.51.28.41
...
2020-02-08 07:41:43
222.186.30.57 attack
07.02.2020 23:30:23 SSH access blocked by firewall
2020-02-08 07:36:20
180.166.114.14 attackbots
2020-02-07T17:19:31.1950581495-001 sshd[19310]: Invalid user fyj from 180.166.114.14 port 35778
2020-02-07T17:19:31.2032441495-001 sshd[19310]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.166.114.14
2020-02-07T17:19:31.1950581495-001 sshd[19310]: Invalid user fyj from 180.166.114.14 port 35778
2020-02-07T17:19:33.3467871495-001 sshd[19310]: Failed password for invalid user fyj from 180.166.114.14 port 35778 ssh2
2020-02-07T17:22:57.0914571495-001 sshd[19558]: Invalid user eof from 180.166.114.14 port 48062
2020-02-07T17:22:57.1000671495-001 sshd[19558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.166.114.14
2020-02-07T17:22:57.0914571495-001 sshd[19558]: Invalid user eof from 180.166.114.14 port 48062
2020-02-07T17:22:59.5249531495-001 sshd[19558]: Failed password for invalid user eof from 180.166.114.14 port 48062 ssh2
2020-02-07T17:26:23.9220871495-001 sshd[19805]: Invalid user ybl from 18
...
2020-02-08 07:14:52
216.169.138.23 attack
Constant port and protocol scans
2020-02-08 07:20:13
81.213.214.225 attack
Feb  7 23:39:45 MK-Soft-Root2 sshd[3997]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.213.214.225 
Feb  7 23:39:47 MK-Soft-Root2 sshd[3997]: Failed password for invalid user ucb from 81.213.214.225 port 40533 ssh2
...
2020-02-08 07:10:57

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