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: IANA Special-Purpose Address

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 <<>> 253.12.21.6
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56610
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;253.12.21.6.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021501 1800 900 604800 86400

;; Query time: 39 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 16 04:17:55 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 6.21.12.253.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 6.21.12.253.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
93.109.97.105 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 01-10-2019 04:50:22.
2019-10-01 16:28:36
73.189.112.132 attackbots
2019-10-01T09:43:22.540371  sshd[14627]: Invalid user user from 73.189.112.132 port 57722
2019-10-01T09:43:22.554880  sshd[14627]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=73.189.112.132
2019-10-01T09:43:22.540371  sshd[14627]: Invalid user user from 73.189.112.132 port 57722
2019-10-01T09:43:24.796456  sshd[14627]: Failed password for invalid user user from 73.189.112.132 port 57722 ssh2
2019-10-01T09:47:16.626494  sshd[14755]: Invalid user hv from 73.189.112.132 port 39634
...
2019-10-01 16:22:03
51.75.205.122 attack
Oct  1 07:39:42 hcbbdb sshd\[31647\]: Invalid user mzd from 51.75.205.122
Oct  1 07:39:42 hcbbdb sshd\[31647\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.ip-51-75-205.eu
Oct  1 07:39:43 hcbbdb sshd\[31647\]: Failed password for invalid user mzd from 51.75.205.122 port 41790 ssh2
Oct  1 07:43:44 hcbbdb sshd\[32098\]: Invalid user info from 51.75.205.122
Oct  1 07:43:44 hcbbdb sshd\[32098\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.ip-51-75-205.eu
2019-10-01 15:53:21
92.53.65.123 attack
firewall-block, port(s): 5225/tcp, 5257/tcp
2019-10-01 16:36:24
106.12.11.160 attack
SSH Brute Force, server-1 sshd[11358]: Failed password for invalid user mo123 from 106.12.11.160 port 48798 ssh2
2019-10-01 16:34:36
185.63.42.99 attack
firewall-block, port(s): 23/tcp
2019-10-01 16:12:39
137.135.92.251 attackbotsspam
" "
2019-10-01 16:24:34
201.54.120.203 attack
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/201.54.120.203/ 
 BR - 1H : (508)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : BR 
 NAME ASN : ASN22689 
 
 IP : 201.54.120.203 
 
 CIDR : 201.54.96.0/19 
 
 PREFIX COUNT : 52 
 
 UNIQUE IP COUNT : 160768 
 
 
 WYKRYTE ATAKI Z ASN22689 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 2 
 
 DateTime : 2019-10-01 05:50:38 
 
 INFO : SERVER - Looking for resource vulnerabilities Detected and Blocked by ADMIN  - data recovery
2019-10-01 16:13:13
106.13.209.94 attackbots
Sep 30 02:41:15 xxxxxxx0 sshd[14126]: Invalid user suporte from 106.13.209.94 port 40910
Sep 30 02:41:15 xxxxxxx0 sshd[14126]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.209.94
Sep 30 02:41:16 xxxxxxx0 sshd[14126]: Failed password for invalid user suporte from 106.13.209.94 port 40910 ssh2
Sep 30 02:57:23 xxxxxxx0 sshd[16598]: Invalid user lucy from 106.13.209.94 port 54762
Sep 30 02:57:23 xxxxxxx0 sshd[16598]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.209.94

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=106.13.209.94
2019-10-01 16:17:24
111.255.105.108 attackspambots
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/111.255.105.108/ 
 TW - 1H : (217)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : TW 
 NAME ASN : ASN3462 
 
 IP : 111.255.105.108 
 
 CIDR : 111.255.0.0/16 
 
 PREFIX COUNT : 390 
 
 UNIQUE IP COUNT : 12267520 
 
 
 WYKRYTE ATAKI Z ASN3462 :  
  1H - 18 
  3H - 44 
  6H - 57 
 12H - 87 
 24H - 149 
 
 DateTime : 2019-10-01 05:50:43 
 
 INFO : Port Scan TELNET Detected and Blocked by ADMIN  - data recovery
2019-10-01 16:06:19
60.249.21.129 attack
2019-10-01T06:27:33.602542abusebot.cloudsearch.cf sshd\[31588\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=60-249-21-129.hinet-ip.hinet.net  user=sshd
2019-10-01 16:36:57
198.108.67.87 attackbots
09/30/2019-23:50:40.175832 198.108.67.87 Protocol: 6 ET DROP Dshield Block Listed Source group 1
2019-10-01 16:13:47
132.255.88.140 attackbots
IP Ban Report : https://help-dysk.pl/wordpress-firewall-plugins/ip/132.255.88.140/ 
 BR - 1H : (508)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : BR 
 NAME ASN : ASN264472 
 
 IP : 132.255.88.140 
 
 CIDR : 132.255.88.0/22 
 
 PREFIX COUNT : 1 
 
 UNIQUE IP COUNT : 1024 
 
 
 WYKRYTE ATAKI Z ASN264472 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-01 05:50:39 
 
 INFO : Port MAX SCAN Scan Detected and Blocked by ADMIN  - data recovery
2019-10-01 16:11:21
185.211.245.198 attackbots
Oct  1 10:13:21 vmanager6029 postfix/smtpd\[18882\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Oct  1 10:13:29 vmanager6029 postfix/smtpd\[18882\]: warning: unknown\[185.211.245.198\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-10-01 16:17:53
178.45.61.158 attackbots
[portscan] Port scan
2019-10-01 16:03:21

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