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 <<>> 104.21.57.4
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36612
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.4.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:38:30 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 4.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 4.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
162.243.138.45 attack
MultiHost/MultiPort Probe, Scan, Hack -
2020-05-04 19:09:50
182.140.235.149 attackspambots
CN_APNIC-HM_<177>1588564234 [1:2010935:3] ET SCAN Suspicious inbound to MSSQL port 1433 [Classification: Potentially Bad Traffic] [Priority: 2]:  {TCP} 182.140.235.149:51156
2020-05-04 18:48:24
51.195.5.233 attackbotsspam
[2020-05-04 07:06:24] NOTICE[1170] chan_sip.c: Registration from '' failed for '51.195.5.233:60076' - Wrong password
[2020-05-04 07:06:24] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-04T07:06:24.532-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="1547",SessionID="0x7f6c080b1a48",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/51.195.5.233/60076",Challenge="1ae4f45e",ReceivedChallenge="1ae4f45e",ReceivedHash="446dc107b5ed5f5ef3035d711cb58308"
[2020-05-04 07:06:25] NOTICE[1170] chan_sip.c: Registration from '' failed for '51.195.5.233:60542' - Wrong password
[2020-05-04 07:06:25] SECURITY[1184] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2020-05-04T07:06:25.026-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="508",SessionID="0x7f6c0803b798",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/51.195.5.233/60542
...
2020-05-04 19:10:24
111.229.211.5 attackbots
May  4 08:03:58 vlre-nyc-1 sshd\[22002\]: Invalid user jts from 111.229.211.5
May  4 08:03:58 vlre-nyc-1 sshd\[22002\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.211.5
May  4 08:04:00 vlre-nyc-1 sshd\[22002\]: Failed password for invalid user jts from 111.229.211.5 port 60778 ssh2
May  4 08:09:50 vlre-nyc-1 sshd\[22137\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.229.211.5  user=root
May  4 08:09:52 vlre-nyc-1 sshd\[22137\]: Failed password for root from 111.229.211.5 port 38612 ssh2
...
2020-05-04 18:56:28
222.122.60.110 attackbots
May  4 08:22:25 ns381471 sshd[30543]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.122.60.110
May  4 08:22:27 ns381471 sshd[30543]: Failed password for invalid user aha from 222.122.60.110 port 45038 ssh2
2020-05-04 18:37:30
85.26.143.66 attackbots
CMS (WordPress or Joomla) login attempt.
2020-05-04 18:48:01
192.99.200.69 attack
192.99.200.69 - - [04/May/2020:10:17:18 +0200] "GET /wp-login.php HTTP/1.1" 200 1899 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.200.69 - - [04/May/2020:10:17:19 +0200] "POST /wp-login.php HTTP/1.1" 200 2029 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.200.69 - - [04/May/2020:10:17:19 +0200] "GET /wp-login.php HTTP/1.1" 200 1899 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.200.69 - - [04/May/2020:10:17:20 +0200] "POST /wp-login.php HTTP/1.1" 200 2005 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.200.69 - - [04/May/2020:10:17:21 +0200] "GET /wp-login.php HTTP/1.1" 200 1899 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
192.99.200.69 - - [04/May/2020:10:17:21 +0200] "POST /wp-login.php HTTP/1.1" 200 2006 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Fir
...
2020-05-04 18:44:19
139.0.2.42 attackspambots
Unauthorized connection attempt from IP address 139.0.2.42 on Port 445(SMB)
2020-05-04 18:41:13
218.78.35.157 attackspam
May  4 05:43:16 xeon sshd[22216]: Failed password for invalid user x from 218.78.35.157 port 32906 ssh2
2020-05-04 19:10:37
49.88.112.111 attackspambots
May  4 13:13:50 jane sshd[20574]: Failed password for root from 49.88.112.111 port 46166 ssh2
May  4 13:13:54 jane sshd[20574]: Failed password for root from 49.88.112.111 port 46166 ssh2
...
2020-05-04 19:14:50
187.10.18.181 attackspam
Attempt to attack host OS, exploiting network vulnerabilities, on 04/05/2020 04:50:31.
2020-05-04 18:52:49
188.162.199.73 attackbots
failed_logins
2020-05-04 18:58:32
157.230.249.90 attackbots
2020-05-03 UTC: (34x) - cmsftp,faiz,firenze,grq,hamid,hanshow,jerry,lth,nproc(7x),push,roman,root(7x),root2,sa,server2,sysadmin,taiga,testwww,ts3,ubuntu(2x),user2
2020-05-04 19:03:50
117.33.253.49 attack
2020-05-04T11:56:16.4394551240 sshd\[25217\]: Invalid user dsanchez from 117.33.253.49 port 37342
2020-05-04T11:56:16.4435281240 sshd\[25217\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=117.33.253.49
2020-05-04T11:56:18.5246791240 sshd\[25217\]: Failed password for invalid user dsanchez from 117.33.253.49 port 37342 ssh2
...
2020-05-04 19:13:41
129.211.79.19 attackbots
May  4 06:25:33 game-panel sshd[27207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.79.19
May  4 06:25:35 game-panel sshd[27207]: Failed password for invalid user amy from 129.211.79.19 port 47528 ssh2
May  4 06:30:16 game-panel sshd[27391]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=129.211.79.19
2020-05-04 18:41:30

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