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 <<>> 21.75.205.66
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10291
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.75.205.66.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020601 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 07 04:37:40 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 66.205.75.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 66.205.75.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
52.167.42.55 attack
$f2bV_matches
2020-09-24 05:06:36
42.235.179.109 attack
Port Scan detected!
...
2020-09-24 05:39:21
45.14.224.250 attackbotsspam
Failed password for root from 45.14.224.250 port 32944 ssh2
Failed password for root from 45.14.224.250 port 38560 ssh2
2020-09-24 05:16:07
2a02:1810:1d1b:fe00:d013:3d3c:e901:1f1a attackspam
C2,WP GET /wp-login.php
2020-09-24 05:35:54
85.209.0.3 attackspam
Sep 23 12:55:33 r.ca sshd[12546]: Failed password for root from 85.209.0.3 port 14944 ssh2
2020-09-24 05:31:38
222.186.173.201 attackspambots
Sep 23 23:37:48 pve1 sshd[31730]: Failed password for root from 222.186.173.201 port 57912 ssh2
Sep 23 23:37:52 pve1 sshd[31730]: Failed password for root from 222.186.173.201 port 57912 ssh2
...
2020-09-24 05:39:56
13.94.229.227 attack
Sep 23 22:09:06 theomazars sshd[11155]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=13.94.229.227  user=root
Sep 23 22:09:07 theomazars sshd[11155]: Failed password for root from 13.94.229.227 port 43942 ssh2
2020-09-24 05:07:01
111.93.58.18 attack
Sep 23 18:01:37 mavik sshd[1527]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.58.18  user=root
Sep 23 18:01:40 mavik sshd[1527]: Failed password for root from 111.93.58.18 port 39984 ssh2
Sep 23 18:04:37 mavik sshd[1605]: Invalid user admin from 111.93.58.18
Sep 23 18:04:37 mavik sshd[1605]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.93.58.18
Sep 23 18:04:39 mavik sshd[1605]: Failed password for invalid user admin from 111.93.58.18 port 56624 ssh2
...
2020-09-24 05:19:25
58.19.83.21 attack
Brute forcing email accounts
2020-09-24 05:38:07
52.230.18.21 attackspam
Sep 23 22:52:47 mail sshd[16094]: Failed password for root from 52.230.18.21 port 61179 ssh2
2020-09-24 05:13:33
180.109.34.240 attackbots
2020-09-23 22:46:31,527 fail2ban.actions: WARNING [ssh] Ban 180.109.34.240
2020-09-24 05:42:07
113.18.254.225 attack
Sep 23 15:08:08 firewall sshd[948]: Failed password for invalid user deluge from 113.18.254.225 port 39284 ssh2
Sep 23 15:12:11 firewall sshd[1045]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.18.254.225  user=root
Sep 23 15:12:13 firewall sshd[1045]: Failed password for root from 113.18.254.225 port 43956 ssh2
...
2020-09-24 05:06:13
67.205.143.140 attack
67.205.143.140 - - [23/Sep/2020:18:09:06 +0100] "POST /wp-login.php HTTP/1.1" 200 2259 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
67.205.143.140 - - [23/Sep/2020:18:09:08 +0100] "POST /wp-login.php HTTP/1.1" 200 2243 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
67.205.143.140 - - [23/Sep/2020:18:09:14 +0100] "POST /wp-login.php HTTP/1.1" 200 2240 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-09-24 05:17:32
156.206.95.238 attackspam
Listed on    abuseat.org plus zen-spamhaus   / proto=6  .  srcport=46583  .  dstport=23  .     (2894)
2020-09-24 05:35:10
167.86.110.239 attackbots
Port 22 Scan, PTR: None
2020-09-24 05:12:13

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