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 <<>> 104.21.54.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 45809
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.66.			IN	A

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

;; Query time: 65 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:09:24 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 66.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.248.149.130 attack
Jul 24 05:44:42 firewall sshd[31811]: Invalid user sshuser from 104.248.149.130
Jul 24 05:44:44 firewall sshd[31811]: Failed password for invalid user sshuser from 104.248.149.130 port 36450 ssh2
Jul 24 05:49:17 firewall sshd[31945]: Invalid user jochen from 104.248.149.130
...
2020-07-24 17:35:26
46.181.40.17 attackbots
Port probing on unauthorized port 445
2020-07-24 17:53:16
103.148.21.22 attackbotsspam
Host Scan
2020-07-24 17:47:01
180.76.146.54 attackbots
Jul 24 11:47:39 mout sshd[2895]: Invalid user karan from 180.76.146.54 port 15383
2020-07-24 17:48:54
222.186.42.137 attackspam
Jul 24 11:56:02 abendstille sshd\[27996\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
Jul 24 11:56:03 abendstille sshd\[27996\]: Failed password for root from 222.186.42.137 port 48367 ssh2
Jul 24 11:56:11 abendstille sshd\[28088\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.42.137  user=root
Jul 24 11:56:13 abendstille sshd\[28088\]: Failed password for root from 222.186.42.137 port 41157 ssh2
Jul 24 11:56:15 abendstille sshd\[28088\]: Failed password for root from 222.186.42.137 port 41157 ssh2
...
2020-07-24 17:57:19
106.13.52.83 attack
Jul 24 07:17:41 debian-2gb-nbg1-2 kernel: \[17826382.914221\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=106.13.52.83 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=238 ID=38581 PROTO=TCP SPT=51495 DPT=3752 WINDOW=1024 RES=0x00 SYN URGP=0
2020-07-24 17:25:31
49.144.183.64 attackbotsspam
49.144.183.64 - - [24/Jul/2020:07:12:45 +0200] "POST /xmlrpc.php HTTP/1.1" 301 162 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
49.144.183.64 - - [24/Jul/2020:07:17:30 +0200] "POST /xmlrpc.php HTTP/1.1" 301 162 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.0)"
...
2020-07-24 17:40:31
42.113.204.121 attackbots
Host Scan
2020-07-24 17:27:41
159.65.128.182 attackspambots
Jul 24 10:14:42 rotator sshd\[25432\]: Invalid user admin from 159.65.128.182Jul 24 10:14:45 rotator sshd\[25432\]: Failed password for invalid user admin from 159.65.128.182 port 43680 ssh2Jul 24 10:19:19 rotator sshd\[26217\]: Invalid user frank from 159.65.128.182Jul 24 10:19:21 rotator sshd\[26217\]: Failed password for invalid user frank from 159.65.128.182 port 59456 ssh2Jul 24 10:23:53 rotator sshd\[27005\]: Invalid user leech from 159.65.128.182Jul 24 10:23:55 rotator sshd\[27005\]: Failed password for invalid user leech from 159.65.128.182 port 47000 ssh2
...
2020-07-24 17:46:23
150.109.182.163 attack
Automatic report - Banned IP Access
2020-07-24 17:56:43
222.186.175.216 attackspam
Jul 24 10:20:57 ajax sshd[29100]: Failed password for root from 222.186.175.216 port 20002 ssh2
Jul 24 10:21:00 ajax sshd[29100]: Failed password for root from 222.186.175.216 port 20002 ssh2
2020-07-24 17:23:25
117.33.128.218 attackspam
Jul 24 09:17:53 localhost sshd[56984]: Invalid user keshav from 117.33.128.218 port 36212
Jul 24 09:17:53 localhost sshd[56984]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.33.128.218
Jul 24 09:17:53 localhost sshd[56984]: Invalid user keshav from 117.33.128.218 port 36212
Jul 24 09:17:55 localhost sshd[56984]: Failed password for invalid user keshav from 117.33.128.218 port 36212 ssh2
Jul 24 09:22:23 localhost sshd[57477]: Invalid user livia from 117.33.128.218 port 58046
...
2020-07-24 17:43:10
94.189.206.217 attackbotsspam
"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:
2020-07-24 17:19:04
193.35.51.13 attackspam
2020-07-24 11:14:29 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data \(set_id=tickets@yt.gl\)
2020-07-24 11:14:36 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-24 11:14:45 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-24 11:14:51 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-24 11:15:03 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-24 11:15:09 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-24 11:15:14 dovecot_login authenticator failed for \(\[193.35.51.13\]\) \[193.35.51.13\]: 535 Incorrect authentication data
2020-07-24 11:15:19 dovecot_login authenticator fai
...
2020-07-24 17:23:48
81.94.255.12 attackbots
Invalid user rohan from 81.94.255.12 port 59974
2020-07-24 18:03:20

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