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 <<>> 104.21.57.72
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 14557
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.72.			IN	A

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

;; Query time: 17 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:59 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 72.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 72.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
195.54.167.13 attackbotsspam
May 14 06:20:14 debian-2gb-nbg1-2 kernel: \[11688869.685473\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=195.54.167.13 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=64225 PROTO=TCP SPT=49163 DPT=11263 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-14 12:33:56
213.251.185.63 attackspam
May 14 00:23:02 NPSTNNYC01T sshd[28303]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.251.185.63
May 14 00:23:04 NPSTNNYC01T sshd[28303]: Failed password for invalid user oracle4 from 213.251.185.63 port 54181 ssh2
May 14 00:26:12 NPSTNNYC01T sshd[28544]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.251.185.63
...
2020-05-14 12:46:43
148.70.18.216 attackspam
May 14 05:48:40 piServer sshd[5893]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.18.216 
May 14 05:48:43 piServer sshd[5893]: Failed password for invalid user nagios from 148.70.18.216 port 60318 ssh2
May 14 05:54:24 piServer sshd[6307]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.18.216 
...
2020-05-14 12:39:56
222.186.180.130 attackspambots
2020-05-14T04:39:59.363115abusebot-4.cloudsearch.cf sshd[7330]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.130  user=root
2020-05-14T04:40:01.721532abusebot-4.cloudsearch.cf sshd[7330]: Failed password for root from 222.186.180.130 port 54864 ssh2
2020-05-14T04:40:05.450232abusebot-4.cloudsearch.cf sshd[7330]: Failed password for root from 222.186.180.130 port 54864 ssh2
2020-05-14T04:39:59.363115abusebot-4.cloudsearch.cf sshd[7330]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.180.130  user=root
2020-05-14T04:40:01.721532abusebot-4.cloudsearch.cf sshd[7330]: Failed password for root from 222.186.180.130 port 54864 ssh2
2020-05-14T04:40:05.450232abusebot-4.cloudsearch.cf sshd[7330]: Failed password for root from 222.186.180.130 port 54864 ssh2
2020-05-14T04:39:59.363115abusebot-4.cloudsearch.cf sshd[7330]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh
...
2020-05-14 12:42:13
146.164.51.58 attack
Invalid user route from 146.164.51.58 port 37656
2020-05-14 13:02:52
103.123.150.114 attackbotsspam
May 14 05:51:47 jane sshd[22891]: Failed password for mail from 103.123.150.114 port 33689 ssh2
May 14 05:54:13 jane sshd[26029]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.123.150.114 
...
2020-05-14 12:51:19
124.156.111.197 attackbotsspam
Failed password for invalid user wet from 124.156.111.197 port 13797 ssh2
2020-05-14 12:59:49
189.47.42.116 attackspam
May 14 05:54:17 mail sshd[21877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=189.47.42.116 
May 14 05:54:19 mail sshd[21877]: Failed password for invalid user tsuser from 189.47.42.116 port 57456 ssh2
...
2020-05-14 12:44:51
120.29.155.165 attackspambots
May 14 03:53:59 system,error,critical: login failure for user admin from 120.29.155.165 via telnet
May 14 03:54:00 system,error,critical: login failure for user root from 120.29.155.165 via telnet
May 14 03:54:02 system,error,critical: login failure for user root from 120.29.155.165 via telnet
May 14 03:54:03 system,error,critical: login failure for user 666666 from 120.29.155.165 via telnet
May 14 03:54:04 system,error,critical: login failure for user admin from 120.29.155.165 via telnet
May 14 03:54:05 system,error,critical: login failure for user root from 120.29.155.165 via telnet
May 14 03:54:06 system,error,critical: login failure for user admin from 120.29.155.165 via telnet
May 14 03:54:07 system,error,critical: login failure for user service from 120.29.155.165 via telnet
May 14 03:54:08 system,error,critical: login failure for user root from 120.29.155.165 via telnet
May 14 03:54:10 system,error,critical: login failure for user admin from 120.29.155.165 via telnet
2020-05-14 12:53:19
202.90.199.206 attackbots
May 14 05:54:32 pornomens sshd\[19073\]: Invalid user demo from 202.90.199.206 port 46462
May 14 05:54:32 pornomens sshd\[19073\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.90.199.206
May 14 05:54:34 pornomens sshd\[19073\]: Failed password for invalid user demo from 202.90.199.206 port 46462 ssh2
...
2020-05-14 12:31:37
14.177.16.204 attackbots
(eximsyntax) Exim syntax errors from 14.177.16.204 (VN/Vietnam/static.vnpt.vn): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: 2020-05-14 08:24:36 SMTP call from [14.177.16.204] dropped: too many syntax or protocol errors (last command was "?ÿ\001??Q?\v?\004\003?\001\002?")
2020-05-14 12:26:15
192.144.166.95 attack
May 13 23:50:41 NPSTNNYC01T sshd[25010]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.166.95
May 13 23:50:42 NPSTNNYC01T sshd[25010]: Failed password for invalid user deploy from 192.144.166.95 port 48266 ssh2
May 13 23:54:45 NPSTNNYC01T sshd[25382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.144.166.95
...
2020-05-14 12:23:44
154.223.181.125 attack
SS1,DEF GET /wp-login.php
2020-05-14 12:39:27
217.29.124.251 attackbotsspam
217.29.124.251 - - [14/May/2020:05:54:13 +0200] "GET /wp-login.php HTTP/1.1" 200 6451 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
217.29.124.251 - - [14/May/2020:05:54:15 +0200] "POST /wp-login.php HTTP/1.1" 200 6702 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
217.29.124.251 - - [14/May/2020:05:54:16 +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"
2020-05-14 12:47:31
132.232.3.234 attack
May 14 06:10:22 haigwepa sshd[23378]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.232.3.234 
May 14 06:10:24 haigwepa sshd[23378]: Failed password for invalid user rax from 132.232.3.234 port 34122 ssh2
...
2020-05-14 12:31:59

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