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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.57.158
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 3573
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.158.			IN	A

;; AUTHORITY SECTION:
.			96	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 58 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:39:33 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 158.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 158.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
77.68.73.152 attackspambots
May 23 08:12:17 ny01 sshd[649]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.68.73.152
May 23 08:12:19 ny01 sshd[649]: Failed password for invalid user lio from 77.68.73.152 port 57696 ssh2
May 23 08:16:06 ny01 sshd[1153]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=77.68.73.152
2020-05-23 23:08:11
210.12.130.219 attack
Triggered by Fail2Ban at Ares web server
2020-05-23 23:30:44
196.11.231.36 attack
May 23 15:01:50 ajax sshd[25679]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.11.231.36 
May 23 15:01:51 ajax sshd[25679]: Failed password for invalid user dpo from 196.11.231.36 port 35540 ssh2
2020-05-23 23:31:13
106.13.184.22 attack
May 23 17:00:51 gw1 sshd[5463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.184.22
May 23 17:00:53 gw1 sshd[5463]: Failed password for invalid user czb from 106.13.184.22 port 33744 ssh2
...
2020-05-23 23:07:32
49.232.95.250 attackspambots
May 23 16:35:46 lnxmail61 sshd[26584]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.232.95.250
2020-05-23 23:36:23
139.5.104.235 attack
Unauthorized connection attempt from IP address 139.5.104.235 on Port 445(SMB)
2020-05-23 23:18:32
117.50.23.52 attackbots
May 23 14:00:53 debian-2gb-nbg1-2 kernel: \[12494066.176558\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=117.50.23.52 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=236 ID=38379 PROTO=TCP SPT=58914 DPT=1080 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-23 23:05:13
185.151.243.89 attackspambots
Port scan on 4 port(s): 3381 3392 3399 33890
2020-05-23 22:50:34
62.231.24.106 attackspam
Unauthorized connection attempt from IP address 62.231.24.106 on Port 445(SMB)
2020-05-23 23:14:07
197.98.12.234 attackspam
Unauthorized connection attempt from IP address 197.98.12.234 on Port 445(SMB)
2020-05-23 23:06:31
106.54.121.117 attackbotsspam
SSH Brute-Force. Ports scanning.
2020-05-23 22:55:51
58.65.197.80 attack
Unauthorized connection attempt from IP address 58.65.197.80 on Port 445(SMB)
2020-05-23 23:11:46
51.79.44.52 attack
Brute force attempt
2020-05-23 23:20:42
167.71.67.66 attackbotsspam
167.71.67.66 - - [23/May/2020:14:00:56 +0200] "GET /wp-login.php HTTP/1.1" 200 5865 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.67.66 - - [23/May/2020:14:00:58 +0200] "POST /wp-login.php HTTP/1.1" 200 6116 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
167.71.67.66 - - [23/May/2020:14:00:58 +0200] "POST /xmlrpc.php HTTP/1.1" 200 427 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2020-05-23 22:57:36
122.162.160.186 attackspam
Unauthorized connection attempt from IP address 122.162.160.186 on Port 445(SMB)
2020-05-23 23:15:26

Recently Reported IPs

104.21.57.135 104.21.57.187 125.164.232.210 125.164.185.225
125.164.18.160 125.165.203.37 125.164.55.227 125.164.93.204
125.163.38.187 125.164.101.193 125.166.14.165 125.166.15.45
104.21.57.204 125.164.252.207 125.166.7.96 125.166.6.1
125.166.4.214 125.166.72.208 125.166.5.181 125.167.184.238