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 <<>> 104.21.21.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51039
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.21.54.			IN	A

;; AUTHORITY SECTION:
.			158	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 14 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:16:04 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 54.21.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.21.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.255.199.18 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-16 01:11:33
115.238.59.165 attack
Nov 15 16:05:03 odroid64 sshd\[16238\]: Invalid user debee from 115.238.59.165
Nov 15 16:05:03 odroid64 sshd\[16238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.238.59.165
...
2019-11-16 00:50:18
45.82.153.133 attack
2019-11-15 17:49:26 dovecot_login authenticator failed for \(\[45.82.153.133\]\) \[45.82.153.133\]: 535 Incorrect authentication data \(set_id=support@nopcommerce.it\)
2019-11-15 17:49:36 dovecot_login authenticator failed for \(\[45.82.153.133\]\) \[45.82.153.133\]: 535 Incorrect authentication data
2019-11-15 17:49:48 dovecot_login authenticator failed for \(\[45.82.153.133\]\) \[45.82.153.133\]: 535 Incorrect authentication data
2019-11-15 17:49:55 dovecot_login authenticator failed for \(\[45.82.153.133\]\) \[45.82.153.133\]: 535 Incorrect authentication data
2019-11-15 17:50:09 dovecot_login authenticator failed for \(\[45.82.153.133\]\) \[45.82.153.133\]: 535 Incorrect authentication data
2019-11-16 00:57:51
112.64.170.178 attackspambots
Nov 15 17:52:48 cp sshd[19390]: Failed password for root from 112.64.170.178 port 31109 ssh2
Nov 15 17:52:48 cp sshd[19390]: Failed password for root from 112.64.170.178 port 31109 ssh2
2019-11-16 01:01:48
111.230.105.196 attackspam
Nov 15 13:50:40 firewall sshd[26158]: Invalid user neghin from 111.230.105.196
Nov 15 13:50:42 firewall sshd[26158]: Failed password for invalid user neghin from 111.230.105.196 port 44076 ssh2
Nov 15 13:56:54 firewall sshd[26286]: Invalid user operator from 111.230.105.196
...
2019-11-16 01:20:40
106.38.108.28 attack
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-16 00:52:21
124.133.119.129 attackbotsspam
Scanning
2019-11-16 01:30:18
101.89.147.85 attackbots
Nov 15 17:43:23 vps666546 sshd\[30711\]: Invalid user 123456 from 101.89.147.85 port 36803
Nov 15 17:43:23 vps666546 sshd\[30711\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.89.147.85
Nov 15 17:43:25 vps666546 sshd\[30711\]: Failed password for invalid user 123456 from 101.89.147.85 port 36803 ssh2
Nov 15 17:48:46 vps666546 sshd\[30971\]: Invalid user P0s123 from 101.89.147.85 port 54349
Nov 15 17:48:46 vps666546 sshd\[30971\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=101.89.147.85
...
2019-11-16 00:53:46
92.118.38.38 attack
Nov 15 17:51:55 andromeda postfix/smtpd\[34004\]: warning: unknown\[92.118.38.38\]: SASL LOGIN authentication failed: authentication failure
Nov 15 17:52:15 andromeda postfix/smtpd\[30270\]: warning: unknown\[92.118.38.38\]: SASL LOGIN authentication failed: authentication failure
Nov 15 17:52:19 andromeda postfix/smtpd\[34702\]: warning: unknown\[92.118.38.38\]: SASL LOGIN authentication failed: authentication failure
Nov 15 17:52:31 andromeda postfix/smtpd\[30270\]: warning: unknown\[92.118.38.38\]: SASL LOGIN authentication failed: authentication failure
Nov 15 17:52:51 andromeda postfix/smtpd\[34702\]: warning: unknown\[92.118.38.38\]: SASL LOGIN authentication failed: authentication failure
2019-11-16 01:07:13
146.185.162.244 attackspam
Nov 15 17:22:45 vps666546 sshd\[29722\]: Invalid user samoiel from 146.185.162.244 port 59973
Nov 15 17:22:45 vps666546 sshd\[29722\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.185.162.244
Nov 15 17:22:46 vps666546 sshd\[29722\]: Failed password for invalid user samoiel from 146.185.162.244 port 59973 ssh2
Nov 15 17:29:34 vps666546 sshd\[30027\]: Invalid user test from 146.185.162.244 port 51009
Nov 15 17:29:34 vps666546 sshd\[30027\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=146.185.162.244
...
2019-11-16 00:44:36
81.22.45.115 attackbots
2019-11-15T18:16:17.182909+01:00 lumpi kernel: [3660550.328683] INPUT:DROP:SPAMHAUS_EDROP:IN=eth0 OUT= MAC=52:54:a2:01:a5:04:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.115 DST=172.31.1.100 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=46411 PROTO=TCP SPT=40293 DPT=954 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2019-11-16 01:18:36
104.244.72.98 attack
Port scan
2019-11-16 01:25:17
41.207.182.133 attackbots
2019-11-15T16:45:58.378870abusebot-2.cloudsearch.cf sshd\[10099\]: Invalid user test from 41.207.182.133 port 39582
2019-11-16 01:07:36
208.68.39.164 attack
2019-11-15T08:28:40.4785051495-001 sshd\[12226\]: Failed password for invalid user vcsa from 208.68.39.164 port 34726 ssh2
2019-11-15T09:28:44.0957461495-001 sshd\[14362\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=208.68.39.164  user=mysql
2019-11-15T09:28:46.6756501495-001 sshd\[14362\]: Failed password for mysql from 208.68.39.164 port 54194 ssh2
2019-11-15T09:32:42.2038331495-001 sshd\[14518\]: Invalid user shimokawa from 208.68.39.164 port 35402
2019-11-15T09:32:42.2116651495-001 sshd\[14518\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=208.68.39.164
2019-11-15T09:32:43.7982521495-001 sshd\[14518\]: Failed password for invalid user shimokawa from 208.68.39.164 port 35402 ssh2
...
2019-11-16 01:08:12
61.133.232.253 attackspam
2019-11-15T16:02:41.622103abusebot-5.cloudsearch.cf sshd\[18077\]: Invalid user waggoner from 61.133.232.253 port 35860
2019-11-16 01:13:09

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