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 <<>> 104.21.57.113
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44661
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.113.			IN	A

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

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:39:20 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 113.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 113.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
103.197.177.89 attack
B: Magento admin pass /admin/ test (wrong country)
2019-10-03 18:58:14
152.247.28.150 attackspambots
Oct  2 23:52:52 TORMINT sshd\[25587\]: Invalid user admin from 152.247.28.150
Oct  2 23:52:52 TORMINT sshd\[25587\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=152.247.28.150
Oct  2 23:52:55 TORMINT sshd\[25587\]: Failed password for invalid user admin from 152.247.28.150 port 11760 ssh2
...
2019-10-03 18:18:45
178.122.97.84 attackspambots
Oct  3 08:52:23 gw1 sshd[16680]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=178.122.97.84
Oct  3 08:52:24 gw1 sshd[16680]: Failed password for invalid user admin from 178.122.97.84 port 53258 ssh2
...
2019-10-03 18:55:45
187.155.12.181 attackbotsspam
WordPress wp-login brute force :: 187.155.12.181 0.140 BYPASS [03/Oct/2019:13:52:43  1000] [censored_1] "POST /wp-login.php HTTP/1.1" 200 3972 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-10-03 18:44:08
159.192.243.102 attackbots
Oct  3 08:52:17 gw1 sshd[16678]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.192.243.102
Oct  3 08:52:19 gw1 sshd[16678]: Failed password for invalid user admin from 159.192.243.102 port 37228 ssh2
...
2019-10-03 18:57:50
197.96.136.91 attack
Automatic report - Banned IP Access
2019-10-03 18:52:43
192.241.211.215 attackspambots
Oct  3 00:52:37 ws22vmsma01 sshd[200824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.241.211.215
Oct  3 00:52:39 ws22vmsma01 sshd[200824]: Failed password for invalid user matilda from 192.241.211.215 port 57469 ssh2
...
2019-10-03 18:46:00
103.221.222.230 attackbots
web-1 [ssh] SSH Attack
2019-10-03 18:54:12
80.79.179.2 attackspambots
Oct  3 10:42:07 ns41 sshd[17289]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.79.179.2
Oct  3 10:42:07 ns41 sshd[17289]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.79.179.2
2019-10-03 18:43:37
51.77.230.125 attackspam
Oct  2 16:46:24 pl3server sshd[3922122]: Invalid user alfresco from 51.77.230.125
Oct  2 16:46:26 pl3server sshd[3922122]: Failed password for invalid user alfresco from 51.77.230.125 port 45158 ssh2
Oct  2 16:46:26 pl3server sshd[3922122]: Received disconnect from 51.77.230.125: 11: Bye Bye [preauth]
Oct  2 17:06:39 pl3server sshd[3959379]: Invalid user xo from 51.77.230.125
Oct  2 17:06:42 pl3server sshd[3959379]: Failed password for invalid user xo from 51.77.230.125 port 56964 ssh2
Oct  2 17:06:42 pl3server sshd[3959379]: Received disconnect from 51.77.230.125: 11: Bye Bye [preauth]
Oct  2 17:10:33 pl3server sshd[3966158]: Invalid user webmaster from 51.77.230.125


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=51.77.230.125
2019-10-03 18:19:37
88.99.2.180 attack
Automatic report - XMLRPC Attack
2019-10-03 18:34:37
52.83.163.35 attackspam
Oct  2 23:48:09 friendsofhawaii sshd\[2863\]: Invalid user magenta from 52.83.163.35
Oct  2 23:48:09 friendsofhawaii sshd\[2863\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-83-163-35.cn-northwest-1.compute.amazonaws.com.cn
Oct  2 23:48:11 friendsofhawaii sshd\[2863\]: Failed password for invalid user magenta from 52.83.163.35 port 43758 ssh2
Oct  2 23:52:10 friendsofhawaii sshd\[3207\]: Invalid user gbase from 52.83.163.35
Oct  2 23:52:10 friendsofhawaii sshd\[3207\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ec2-52-83-163-35.cn-northwest-1.compute.amazonaws.com.cn
2019-10-03 18:23:59
128.199.95.60 attack
Oct  3 00:15:55 auw2 sshd\[32117\]: Invalid user apl from 128.199.95.60
Oct  3 00:15:55 auw2 sshd\[32117\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.95.60
Oct  3 00:15:56 auw2 sshd\[32117\]: Failed password for invalid user apl from 128.199.95.60 port 57184 ssh2
Oct  3 00:21:58 auw2 sshd\[32654\]: Invalid user h from 128.199.95.60
Oct  3 00:21:58 auw2 sshd\[32654\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.95.60
2019-10-03 18:37:51
104.238.181.69 attack
Bot ignores robot.txt restrictions
2019-10-03 18:31:11
134.209.7.179 attackspambots
2019-09-07 08:27:02,427 fail2ban.actions        [814]: NOTICE  [sshd] Ban 134.209.7.179
2019-09-07 11:34:49,654 fail2ban.actions        [814]: NOTICE  [sshd] Ban 134.209.7.179
2019-09-07 14:43:30,180 fail2ban.actions        [814]: NOTICE  [sshd] Ban 134.209.7.179
...
2019-10-03 18:44:39

Recently Reported IPs

124.41.87.102 104.21.57.117 104.21.57.128 104.21.57.135
104.21.57.158 104.21.57.187 125.164.232.210 125.164.185.225
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