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 of America (the)

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 <<>> 21.54.199.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28498
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.54.199.104.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022500 1800 900 604800 86400

;; Query time: 43 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 25 19:38:39 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 104.199.54.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.199.54.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
51.75.47.5 attackbots
Autoban   51.75.47.5 AUTH/CONNECT
2019-12-13 03:27:39
51.38.147.187 attackspambots
Autoban   51.38.147.187 AUTH/CONNECT
2019-12-13 03:46:18
51.38.147.179 attack
Autoban   51.38.147.179 AUTH/CONNECT
2019-12-13 03:48:16
61.92.169.178 attackspam
$f2bV_matches
2019-12-13 03:35:52
51.159.4.237 attackbots
Autoban   51.159.4.237 AUTH/CONNECT
2019-12-13 03:56:50
51.255.49.128 attackbots
Autoban   51.255.49.128 AUTH/CONNECT
2019-12-13 03:52:25
51.38.32.151 attackbotsspam
Autoban   51.38.32.151 AUTH/CONNECT
2019-12-13 03:44:45
51.235.189.22 attackbotsspam
Autoban   51.235.189.22 AUTH/CONNECT
2019-12-13 03:56:14
51.77.46.221 attack
Autoban   51.77.46.221 AUTH/CONNECT
2019-12-13 03:25:23
103.75.103.211 attack
Dec 12 09:12:10 kapalua sshd\[9028\]: Invalid user steve from 103.75.103.211
Dec 12 09:12:10 kapalua sshd\[9028\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.75.103.211
Dec 12 09:12:12 kapalua sshd\[9028\]: Failed password for invalid user steve from 103.75.103.211 port 50858 ssh2
Dec 12 09:19:05 kapalua sshd\[9696\]: Invalid user noyuhi from 103.75.103.211
Dec 12 09:19:05 kapalua sshd\[9696\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.75.103.211
2019-12-13 03:27:25
201.140.209.33 attackbots
Unauthorized connection attempt detected from IP address 201.140.209.33 to port 445
2019-12-13 03:38:45
51.75.180.147 attackbots
Autoban   51.75.180.147 AUTH/CONNECT
2019-12-13 03:33:25
51.77.46.225 attackspam
Autoban   51.77.46.225 AUTH/CONNECT
2019-12-13 03:22:51
51.252.78.0 attackspam
Autoban   51.252.78.0 AUTH/CONNECT
2019-12-13 03:55:56
51.255.51.135 attackspambots
Autoban   51.255.51.135 AUTH/CONNECT
2019-12-13 03:50:28

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