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: Italy

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 <<>> 91.253.75.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 50192
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;91.253.75.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021701 1800 900 604800 86400

;; Query time: 11 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 03:36:52 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 21.75.253.91.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.75.253.91.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
132.145.101.248 attackspam
port scan and connect, tcp 22 (ssh)
2020-04-17 18:01:18
77.42.75.133 attackbotsspam
Automatic report - Port Scan Attack
2020-04-17 17:43:15
67.205.161.55 attackbotsspam
Apr 17 07:35:51 h2779839 sshd[6115]: Invalid user test from 67.205.161.55 port 37756
Apr 17 07:35:51 h2779839 sshd[6115]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.161.55
Apr 17 07:35:51 h2779839 sshd[6115]: Invalid user test from 67.205.161.55 port 37756
Apr 17 07:35:54 h2779839 sshd[6115]: Failed password for invalid user test from 67.205.161.55 port 37756 ssh2
Apr 17 07:39:40 h2779839 sshd[6218]: Invalid user lk from 67.205.161.55 port 47678
Apr 17 07:39:40 h2779839 sshd[6218]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=67.205.161.55
Apr 17 07:39:40 h2779839 sshd[6218]: Invalid user lk from 67.205.161.55 port 47678
Apr 17 07:39:43 h2779839 sshd[6218]: Failed password for invalid user lk from 67.205.161.55 port 47678 ssh2
Apr 17 07:43:31 h2779839 sshd[6358]: Invalid user test from 67.205.161.55 port 57598
...
2020-04-17 18:15:34
180.76.240.54 attackspam
Apr 17 12:01:18 lukav-desktop sshd\[12011\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.240.54  user=root
Apr 17 12:01:19 lukav-desktop sshd\[12011\]: Failed password for root from 180.76.240.54 port 49630 ssh2
Apr 17 12:05:12 lukav-desktop sshd\[17881\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.240.54  user=root
Apr 17 12:05:14 lukav-desktop sshd\[17881\]: Failed password for root from 180.76.240.54 port 40872 ssh2
Apr 17 12:09:17 lukav-desktop sshd\[31022\]: Invalid user testtest from 180.76.240.54
Apr 17 12:09:17 lukav-desktop sshd\[31022\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.240.54
2020-04-17 17:51:29
106.75.45.180 attackbots
Apr 17 11:31:30 ovpn sshd\[32264\]: Invalid user guoq from 106.75.45.180
Apr 17 11:31:30 ovpn sshd\[32264\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.45.180
Apr 17 11:31:32 ovpn sshd\[32264\]: Failed password for invalid user guoq from 106.75.45.180 port 54635 ssh2
Apr 17 11:47:15 ovpn sshd\[3880\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.75.45.180  user=root
Apr 17 11:47:17 ovpn sshd\[3880\]: Failed password for root from 106.75.45.180 port 55599 ssh2
2020-04-17 17:59:39
178.62.32.188 attackspambots
Port 4177 scan denied
2020-04-17 18:03:55
183.167.211.135 attackbots
distributed sshd attacks
2020-04-17 17:56:15
51.141.99.198 attackbotsspam
5x Failed Password
2020-04-17 17:47:41
5.196.75.178 attack
Tried sshing with brute force.
2020-04-17 17:49:35
66.60.123.65 attackbotsspam
Invalid user oracle from 66.60.123.65 port 35422
2020-04-17 17:56:47
45.249.92.66 attackspambots
Apr 17 15:55:23 itv-usvr-01 sshd[8004]: Invalid user mz from 45.249.92.66
Apr 17 15:55:23 itv-usvr-01 sshd[8004]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.249.92.66
Apr 17 15:55:23 itv-usvr-01 sshd[8004]: Invalid user mz from 45.249.92.66
Apr 17 15:55:25 itv-usvr-01 sshd[8004]: Failed password for invalid user mz from 45.249.92.66 port 44150 ssh2
Apr 17 16:03:54 itv-usvr-01 sshd[8372]: Invalid user test1 from 45.249.92.66
2020-04-17 17:52:51
152.32.252.251 attackspam
DATE:2020-04-17 08:16:19, IP:152.32.252.251, PORT:ssh SSH brute force auth (docker-dc)
2020-04-17 17:47:25
185.111.14.72 attackspam
" "
2020-04-17 17:35:24
77.247.181.165 attack
sshd jail - ssh hack attempt
2020-04-17 18:13:22
222.186.180.223 attackbotsspam
Apr 17 12:08:14 santamaria sshd\[767\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
Apr 17 12:08:15 santamaria sshd\[767\]: Failed password for root from 222.186.180.223 port 16398 ssh2
Apr 17 12:08:32 santamaria sshd\[779\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.223  user=root
...
2020-04-17 18:10:14

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