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 <<>> 104.193.21.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 7939
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.193.21.75.			IN	A

;; AUTHORITY SECTION:
.			592	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022401 1800 900 604800 86400

;; Query time: 15 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 25 03:43:09 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 75.21.193.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 75.21.193.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.116.222.170 attackspambots
SSH invalid-user multiple login try
2019-07-11 02:32:39
49.79.186.209 attackspam
37215/tcp
[2019-07-10]1pkt
2019-07-11 02:41:05
139.59.238.14 attack
Jul 10 21:20:42 srv-4 sshd\[8343\]: Invalid user tanja from 139.59.238.14
Jul 10 21:20:42 srv-4 sshd\[8343\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.238.14
Jul 10 21:20:44 srv-4 sshd\[8343\]: Failed password for invalid user tanja from 139.59.238.14 port 56758 ssh2
...
2019-07-11 02:29:55
74.63.232.2 attackspam
Jul 10 18:14:23 *** sshd[6715]: Invalid user key from 74.63.232.2
2019-07-11 02:26:47
139.59.14.210 attack
Jul 10 18:17:01 cvbmail sshd\[32693\]: Invalid user terminal from 139.59.14.210
Jul 10 18:17:01 cvbmail sshd\[32693\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.14.210
Jul 10 18:17:03 cvbmail sshd\[32693\]: Failed password for invalid user terminal from 139.59.14.210 port 56898 ssh2
2019-07-11 02:26:02
212.92.108.124 attack
Jul 10 08:41:38   TCP Attack: SRC=212.92.108.124 DST=[Masked] LEN=66 TOS=0x08 PREC=0x20 TTL=118  DF PROTO=TCP SPT=65408 DPT=80 WINDOW=260 RES=0x00 ACK PSH URGP=0
2019-07-11 02:37:23
49.205.21.2 attack
445/tcp
[2019-07-10]1pkt
2019-07-11 03:06:19
147.135.195.254 attackspambots
Invalid user alliance from 147.135.195.254 port 34706
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=147.135.195.254
Failed password for invalid user alliance from 147.135.195.254 port 34706 ssh2
Invalid user crmdev from 147.135.195.254 port 40756
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=147.135.195.254
2019-07-11 02:23:45
167.99.38.73 attack
10.07.2019 14:16:18 Connection to port 7052 blocked by firewall
2019-07-11 02:46:30
117.252.10.252 attackspambots
23/tcp
[2019-07-10]1pkt
2019-07-11 02:51:34
164.68.101.156 attackbots
7911/tcp
[2019-07-10]1pkt
2019-07-11 02:59:49
218.84.39.218 attackbots
Jul 10 10:43:16 mailman dovecot: imap-login: Disconnected (auth failed, 1 attempts): user=, method=PLAIN, rip=218.84.39.218, lip=[munged], TLS
2019-07-11 02:28:51
182.38.200.241 attackbots
23/tcp
[2019-07-10]1pkt
2019-07-11 02:58:33
180.250.18.71 attackspam
Jul 10 18:04:46 localhost sshd\[107361\]: Invalid user ospite from 180.250.18.71 port 34956
Jul 10 18:04:46 localhost sshd\[107361\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.250.18.71
Jul 10 18:04:47 localhost sshd\[107361\]: Failed password for invalid user ospite from 180.250.18.71 port 34956 ssh2
Jul 10 18:07:09 localhost sshd\[107464\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.250.18.71  user=root
Jul 10 18:07:11 localhost sshd\[107464\]: Failed password for root from 180.250.18.71 port 56134 ssh2
...
2019-07-11 02:24:29
175.107.203.28 attack
firewall-block, port(s): 445/tcp
2019-07-11 03:06:54

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