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:
IP Type Details Datetime
104.21.75.2 spam
Spammer blacklist in https://www.projecthoneypot.org/ip_104.21.75.2 https://multirbl.valli.org/lookup/104.21.75.2.html
2022-12-29 00:00:44
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.75.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 367
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.75.54.			IN	A

;; AUTHORITY SECTION:
.			521	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:54:42 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 54.75.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.75.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
101.231.124.6 attack
May  7 05:57:39 vmd17057 sshd[24254]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.231.124.6 
May  7 05:57:41 vmd17057 sshd[24254]: Failed password for invalid user hitler from 101.231.124.6 port 42842 ssh2
...
2020-05-07 12:12:37
183.89.105.210 attack
Honeypot attack, port: 445, PTR: mx-ll-183.89.105-210.dynamic.3bb.in.th.
2020-05-07 12:03:39
59.3.232.182 attack
Honeypot attack, port: 5555, PTR: PTR record not found
2020-05-07 12:19:42
1.1.238.100 attackbots
Automatic report - Port Scan Attack
2020-05-07 08:52:32
195.206.105.217 attackbots
port scan and connect, tcp 22 (ssh)
2020-05-07 12:28:42
14.166.228.181 attackspam
Honeypot attack, port: 445, PTR: static.vnpt.vn.
2020-05-07 12:12:17
36.229.55.199 attackbots
Honeypot attack, port: 445, PTR: 36-229-55-199.dynamic-ip.hinet.net.
2020-05-07 12:32:29
122.51.230.155 attackspam
May  7 06:10:49 legacy sshd[32347]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.230.155
May  7 06:10:51 legacy sshd[32347]: Failed password for invalid user sk from 122.51.230.155 port 45898 ssh2
May  7 06:14:29 legacy sshd[32455]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.51.230.155
...
2020-05-07 12:15:42
197.232.19.52 attack
May  6 21:48:47 server1 sshd\[17915\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.232.19.52 
May  6 21:48:49 server1 sshd\[17915\]: Failed password for invalid user sander from 197.232.19.52 port 46748 ssh2
May  6 21:53:16 server1 sshd\[19321\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.232.19.52  user=root
May  6 21:53:18 server1 sshd\[19321\]: Failed password for root from 197.232.19.52 port 55954 ssh2
May  6 21:57:45 server1 sshd\[20825\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=197.232.19.52  user=root
...
2020-05-07 12:06:13
87.103.135.220 attack
Honeypot attack, port: 445, PTR: 87-103-135-220.pppoe.irtel.ru.
2020-05-07 12:05:25
77.42.86.134 attackspambots
Automatic report - Port Scan Attack
2020-05-07 08:49:01
210.175.50.124 attack
May  6 01:03:54 XXX sshd[24833]: Invalid user gretchen from 210.175.50.124 port 2856
2020-05-07 08:54:34
194.26.29.13 attack
[MK-VM4] Blocked by UFW
2020-05-07 12:30:02
59.126.247.67 attackspambots
Honeypot attack, port: 81, PTR: 59-126-247-67.HINET-IP.hinet.net.
2020-05-07 12:06:39
216.229.84.169 attackspam
Honeypot attack, port: 81, PTR: 216-229-84-169.fidnet.com.
2020-05-07 12:21:31

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