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 <<>> 104.21.57.193
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33829
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.193.			IN	A

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

;; Query time: 68 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:32:15 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 193.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 193.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
218.92.0.145 attack
2020-04-28T05:33:35.994307randservbullet-proofcloud-66.localdomain sshd[25667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.145  user=root
2020-04-28T05:33:38.075218randservbullet-proofcloud-66.localdomain sshd[25667]: Failed password for root from 218.92.0.145 port 57556 ssh2
2020-04-28T05:33:41.589791randservbullet-proofcloud-66.localdomain sshd[25667]: Failed password for root from 218.92.0.145 port 57556 ssh2
2020-04-28T05:33:35.994307randservbullet-proofcloud-66.localdomain sshd[25667]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.145  user=root
2020-04-28T05:33:38.075218randservbullet-proofcloud-66.localdomain sshd[25667]: Failed password for root from 218.92.0.145 port 57556 ssh2
2020-04-28T05:33:41.589791randservbullet-proofcloud-66.localdomain sshd[25667]: Failed password for root from 218.92.0.145 port 57556 ssh2
...
2020-04-28 13:45:34
218.92.0.208 attack
Apr 28 05:51:26 Ubuntu-1404-trusty-64-minimal sshd\[15560\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.208  user=root
Apr 28 05:51:28 Ubuntu-1404-trusty-64-minimal sshd\[15560\]: Failed password for root from 218.92.0.208 port 54254 ssh2
Apr 28 05:51:35 Ubuntu-1404-trusty-64-minimal sshd\[15586\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.208  user=root
Apr 28 05:51:38 Ubuntu-1404-trusty-64-minimal sshd\[15586\]: Failed password for root from 218.92.0.208 port 18377 ssh2
Apr 28 05:53:05 Ubuntu-1404-trusty-64-minimal sshd\[16073\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.208  user=root
2020-04-28 13:42:48
182.61.138.203 attack
2020-04-28T05:53:10.131967  sshd[10910]: Invalid user wr from 182.61.138.203 port 33750
2020-04-28T05:53:10.147294  sshd[10910]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.138.203
2020-04-28T05:53:10.131967  sshd[10910]: Invalid user wr from 182.61.138.203 port 33750
2020-04-28T05:53:12.434920  sshd[10910]: Failed password for invalid user wr from 182.61.138.203 port 33750 ssh2
...
2020-04-28 13:39:18
212.64.19.123 attack
Apr 28 07:53:17 OPSO sshd\[22238\]: Invalid user aaron from 212.64.19.123 port 46636
Apr 28 07:53:17 OPSO sshd\[22238\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.19.123
Apr 28 07:53:20 OPSO sshd\[22238\]: Failed password for invalid user aaron from 212.64.19.123 port 46636 ssh2
Apr 28 07:57:21 OPSO sshd\[23865\]: Invalid user hn from 212.64.19.123 port 47092
Apr 28 07:57:21 OPSO sshd\[23865\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.64.19.123
2020-04-28 14:05:55
45.184.24.5 attackbotsspam
Apr 28 07:58:27 meumeu sshd[11010]: Failed password for root from 45.184.24.5 port 57538 ssh2
Apr 28 08:02:44 meumeu sshd[12009]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.184.24.5 
Apr 28 08:02:46 meumeu sshd[12009]: Failed password for invalid user weitian from 45.184.24.5 port 34010 ssh2
...
2020-04-28 14:12:21
88.240.156.161 attack
Automatic report - Port Scan Attack
2020-04-28 13:50:54
92.246.76.177 attackspam
(sshd) Failed SSH login from 92.246.76.177 (RU/Russia/-): 2 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 28 07:47:11 ubnt-55d23 sshd[27481]: Invalid user HHaannjewygbwerybv from 92.246.76.177 port 57921
Apr 28 07:47:13 ubnt-55d23 sshd[27481]: Failed password for invalid user HHaannjewygbwerybv from 92.246.76.177 port 57921 ssh2
2020-04-28 13:51:32
124.67.66.51 attackspam
Port probing on unauthorized port 1433
2020-04-28 13:40:01
120.79.217.10 attack
trying to access non-authorized port
2020-04-28 14:04:18
51.178.52.185 attack
Apr 28 06:05:48 mail sshd[10196]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.178.52.185  user=root
Apr 28 06:05:50 mail sshd[10196]: Failed password for root from 51.178.52.185 port 49369 ssh2
Apr 28 06:07:25 mail sshd[10461]: Invalid user opal from 51.178.52.185
...
2020-04-28 13:44:26
192.144.164.229 attackspam
(sshd) Failed SSH login from 192.144.164.229 (CN/China/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Apr 28 06:41:32 srv sshd[21833]: Invalid user aiken from 192.144.164.229 port 52886
Apr 28 06:41:34 srv sshd[21833]: Failed password for invalid user aiken from 192.144.164.229 port 52886 ssh2
Apr 28 06:49:16 srv sshd[21993]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.164.229  user=root
Apr 28 06:49:18 srv sshd[21993]: Failed password for root from 192.144.164.229 port 46162 ssh2
Apr 28 06:53:08 srv sshd[22051]: Invalid user nagios from 192.144.164.229 port 36472
2020-04-28 13:38:51
189.18.243.210 attack
$f2bV_matches
2020-04-28 13:41:34
222.186.180.6 attack
$f2bV_matches
2020-04-28 13:36:00
106.75.15.142 attack
prod8
...
2020-04-28 14:14:17
61.12.67.133 attack
2020-04-28T06:57:23.976707struts4.enskede.local sshd\[21796\]: Invalid user student2 from 61.12.67.133 port 59961
2020-04-28T06:57:23.982988struts4.enskede.local sshd\[21796\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.12.67.133
2020-04-28T06:57:27.337924struts4.enskede.local sshd\[21796\]: Failed password for invalid user student2 from 61.12.67.133 port 59961 ssh2
2020-04-28T07:01:59.079299struts4.enskede.local sshd\[21887\]: Invalid user yusuf from 61.12.67.133 port 19700
2020-04-28T07:01:59.088040struts4.enskede.local sshd\[21887\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.12.67.133
...
2020-04-28 13:37:24

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