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 <<>> 104.21.20.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17652
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.20.54.			IN	A

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

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 08:32:55 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 54.20.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.20.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.70.174.23 attackbotsspam
Oct 12 02:30:30 www sshd\[63417\]: Failed password for root from 218.70.174.23 port 50905 ssh2Oct 12 02:34:28 www sshd\[63549\]: Failed password for root from 218.70.174.23 port 36508 ssh2Oct 12 02:38:11 www sshd\[63679\]: Failed password for root from 218.70.174.23 port 50343 ssh2
...
2019-10-12 07:59:22
2001:8d8:841:85a5:8030:b8ff:f4a8:1 attack
[munged]::443 2001:8d8:841:85a5:8030:b8ff:f4a8:1 - - [11/Oct/2019:21:00:17 +0200] "POST /[munged]: HTTP/1.1" 200 6631 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2001:8d8:841:85a5:8030:b8ff:f4a8:1 - - [11/Oct/2019:21:00:21 +0200] "POST /[munged]: HTTP/1.1" 200 6609 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2001:8d8:841:85a5:8030:b8ff:f4a8:1 - - [11/Oct/2019:21:00:21 +0200] "POST /[munged]: HTTP/1.1" 200 6609 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2001:8d8:841:85a5:8030:b8ff:f4a8:1 - - [11/Oct/2019:21:01:30 +0200] "POST /[munged]: HTTP/1.1" 200 6335 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2001:8d8:841:85a5:8030:b8ff:f4a8:1 - - [11/Oct/2019:21:01:30 +0200] "POST /[munged]: HTTP/1.1" 200 6335 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 2001:
2019-10-12 08:06:41
213.74.203.106 attackspam
$f2bV_matches
2019-10-12 07:42:01
154.47.32.66 attackspambots
400 BAD REQUEST
2019-10-12 07:45:31
165.22.75.227 attackbots
Automatic report - XMLRPC Attack
2019-10-12 07:35:41
77.236.248.8 attackbots
Unauthorized connection attempt from IP address 77.236.248.8 on Port 445(SMB)
2019-10-12 07:48:27
51.75.248.251 attackbots
10/11/2019-20:08:55.236383 51.75.248.251 Protocol: 6 ET SCAN Potential SSH Scan
2019-10-12 08:09:15
113.31.112.11 attackspambots
Oct 11 21:53:45 www sshd\[52485\]: Failed password for root from 113.31.112.11 port 33652 ssh2Oct 11 21:57:37 www sshd\[52624\]: Failed password for root from 113.31.112.11 port 40796 ssh2Oct 11 22:01:30 www sshd\[52793\]: Failed password for root from 113.31.112.11 port 47944 ssh2
...
2019-10-12 08:10:39
91.238.230.107 attackspam
Unauthorized connection attempt from IP address 91.238.230.107 on Port 445(SMB)
2019-10-12 08:11:07
101.227.67.99 attack
Unauthorized connection attempt from IP address 101.227.67.99 on Port 445(SMB)
2019-10-12 07:34:39
136.34.218.11 attackspam
2019-10-11T23:25:48.851724shield sshd\[17330\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=136.34.218.11  user=root
2019-10-11T23:25:50.358178shield sshd\[17330\]: Failed password for root from 136.34.218.11 port 36425 ssh2
2019-10-11T23:30:19.180965shield sshd\[17695\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=136.34.218.11  user=root
2019-10-11T23:30:20.892803shield sshd\[17695\]: Failed password for root from 136.34.218.11 port 35941 ssh2
2019-10-11T23:34:51.378703shield sshd\[18105\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=136.34.218.11  user=root
2019-10-12 07:39:41
124.235.206.130 attack
Oct 11 14:58:25 ny01 sshd[29742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.235.206.130
Oct 11 14:58:28 ny01 sshd[29742]: Failed password for invalid user Renault_123 from 124.235.206.130 port 13766 ssh2
Oct 11 15:01:47 ny01 sshd[30010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=124.235.206.130
2019-10-12 07:55:38
112.254.36.112 attackspambots
(Oct 11)  LEN=40 TTL=49 ID=46367 TCP DPT=8080 WINDOW=7605 SYN 
 (Oct 11)  LEN=40 TTL=49 ID=45704 TCP DPT=8080 WINDOW=59229 SYN 
 (Oct 11)  LEN=40 TTL=49 ID=33470 TCP DPT=8080 WINDOW=40989 SYN 
 (Oct 11)  LEN=40 TTL=49 ID=39163 TCP DPT=8080 WINDOW=26317 SYN 
 (Oct 11)  LEN=40 TTL=49 ID=8932 TCP DPT=8080 WINDOW=26317 SYN 
 (Oct 11)  LEN=40 TTL=49 ID=48804 TCP DPT=8080 WINDOW=40989 SYN 
 (Oct 10)  LEN=40 TTL=49 ID=25409 TCP DPT=8080 WINDOW=26317 SYN 
 (Oct 10)  LEN=40 TTL=49 ID=25940 TCP DPT=8080 WINDOW=59229 SYN 
 (Oct 10)  LEN=40 TTL=49 ID=51285 TCP DPT=8080 WINDOW=26317 SYN 
 (Oct 10)  LEN=40 TTL=49 ID=303 TCP DPT=8080 WINDOW=59229 SYN 
 (Oct  9)  LEN=40 TTL=49 ID=41889 TCP DPT=8080 WINDOW=40989 SYN 
 (Oct  9)  LEN=40 TTL=49 ID=4350 TCP DPT=8080 WINDOW=59229 SYN 
 (Oct  9)  LEN=40 TTL=49 ID=13943 TCP DPT=8080 WINDOW=40989 SYN 
 (Oct  9)  LEN=40 TTL=49 ID=38989 TCP DPT=8080 WINDOW=7605 SYN 
 (Oct  9)  LEN=40 TTL=49 ID=61434 TCP DPT=8080 WINDOW=59229 SYN
2019-10-12 07:35:59
188.166.34.129 attack
Oct 11 12:08:49 friendsofhawaii sshd\[21518\]: Invalid user Contrasena1@3\$ from 188.166.34.129
Oct 11 12:08:49 friendsofhawaii sshd\[21518\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.34.129
Oct 11 12:08:50 friendsofhawaii sshd\[21518\]: Failed password for invalid user Contrasena1@3\$ from 188.166.34.129 port 54778 ssh2
Oct 11 12:12:20 friendsofhawaii sshd\[21928\]: Invalid user Antoine1@3 from 188.166.34.129
Oct 11 12:12:20 friendsofhawaii sshd\[21928\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.166.34.129
2019-10-12 08:10:12
218.86.123.242 attackspambots
Oct 11 08:53:50 php1 sshd\[20830\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.86.123.242  user=root
Oct 11 08:53:52 php1 sshd\[20830\]: Failed password for root from 218.86.123.242 port 58711 ssh2
Oct 11 08:57:39 php1 sshd\[21154\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.86.123.242  user=root
Oct 11 08:57:42 php1 sshd\[21154\]: Failed password for root from 218.86.123.242 port 22755 ssh2
Oct 11 09:01:37 php1 sshd\[21466\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.86.123.242  user=root
2019-10-12 08:02:47

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