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: United States

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 <<>> 104.21.57.11
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 58356
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.11.			IN	A

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

;; Query time: 66 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 00:28:52 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 11.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 11.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.70.117.154 attackbots
23/tcp 23/tcp 23/tcp...
[2020-02-13/04-13]5pkt,1pt.(tcp)
2020-04-13 23:50:45
198.211.122.197 attackbots
SFB script kidde fails many many times - SAD!
2020-04-13 23:41:56
115.78.4.219 attackbots
Apr 13 02:32:55 server1 sshd\[22597\]: Failed password for root from 115.78.4.219 port 59100 ssh2
Apr 13 02:38:04 server1 sshd\[26026\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.78.4.219  user=root
Apr 13 02:38:06 server1 sshd\[26026\]: Failed password for root from 115.78.4.219 port 53761 ssh2
Apr 13 02:40:34 server1 sshd\[27795\]: Invalid user admin from 115.78.4.219
Apr 13 02:40:34 server1 sshd\[27795\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.78.4.219 
...
2020-04-13 23:44:03
183.88.8.140 attack
(smtpauth) Failed SMTP AUTH login from 183.88.8.140 (TH/Thailand/mx-ll-183.88.8-140.dynamic.3bb.co.th): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-04-13 13:10:25 plain authenticator failed for ([127.0.0.1]) [183.88.8.140]: 535 Incorrect authentication data (set_id=info)
2020-04-13 23:54:05
181.143.186.235 attackbotsspam
2020-04-13T15:42:41.470478randservbullet-proofcloud-66.localdomain sshd[3766]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.143.186.235  user=root
2020-04-13T15:42:43.785679randservbullet-proofcloud-66.localdomain sshd[3766]: Failed password for root from 181.143.186.235 port 59676 ssh2
2020-04-13T15:46:01.604796randservbullet-proofcloud-66.localdomain sshd[3770]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.143.186.235  user=root
2020-04-13T15:46:03.709783randservbullet-proofcloud-66.localdomain sshd[3770]: Failed password for root from 181.143.186.235 port 42430 ssh2
...
2020-04-13 23:46:36
59.120.247.210 attackspam
Unauthorized connection attempt detected from IP address 59.120.247.210 to port 1433
2020-04-13 23:57:06
92.222.7.129 attackspam
Port scan on 1 port(s): 445
2020-04-13 23:26:44
192.241.238.98 attackbotsspam
Unauthorized connection attempt detected from IP address 192.241.238.98 to port 7474 [T]
2020-04-13 23:59:52
58.33.31.82 attack
Apr 13 17:41:06 vpn01 sshd[6151]: Failed password for root from 58.33.31.82 port 47317 ssh2
...
2020-04-13 23:45:53
201.68.58.195 attack
Automatic report - Port Scan Attack
2020-04-13 23:59:22
164.132.145.70 attackspam
Apr 13 16:16:56 server sshd[13805]: Failed password for root from 164.132.145.70 port 59560 ssh2
Apr 13 16:20:50 server sshd[14560]: Failed password for root from 164.132.145.70 port 41118 ssh2
Apr 13 16:24:54 server sshd[15459]: Failed password for invalid user asterisk from 164.132.145.70 port 50902 ssh2
2020-04-13 23:24:10
35.188.254.84 attack
8873/tcp 21/tcp...
[2020-03-08/04-12]7pkt,3pt.(tcp)
2020-04-13 23:19:31
61.65.132.213 attack
Unauthorized connection attempt detected from IP address 61.65.132.213 to port 23 [T]
2020-04-13 23:41:04
78.158.188.235 attack
445/tcp 445/tcp 445/tcp
[2020-03-01/04-13]3pkt
2020-04-13 23:29:40
185.130.250.42 attack
$f2bV_matches
2020-04-13 23:22:37

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