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 <<>> 104.21.54.172
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62826
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.172.			IN	A

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

;; Query time: 111 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 19:34:46 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 172.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 172.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
3.85.117.198 attackbots
Scanning an empty webserver with deny all robots.txt
2020-07-11 14:19:20
61.151.130.20 attack
Jul 11 07:36:32 ns381471 sshd[3437]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.151.130.20
Jul 11 07:36:35 ns381471 sshd[3437]: Failed password for invalid user adalia from 61.151.130.20 port 37294 ssh2
2020-07-11 13:58:16
222.186.30.218 attack
2020-07-11T06:32:42.789526mail.csmailer.org sshd[31558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.218  user=root
2020-07-11T06:32:44.734217mail.csmailer.org sshd[31558]: Failed password for root from 222.186.30.218 port 52832 ssh2
2020-07-11T06:32:42.789526mail.csmailer.org sshd[31558]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.186.30.218  user=root
2020-07-11T06:32:44.734217mail.csmailer.org sshd[31558]: Failed password for root from 222.186.30.218 port 52832 ssh2
2020-07-11T06:32:47.173715mail.csmailer.org sshd[31558]: Failed password for root from 222.186.30.218 port 52832 ssh2
...
2020-07-11 14:28:40
78.128.113.42 attackbots
Jul 11 08:09:53 debian-2gb-nbg1-2 kernel: \[16706379.191511\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=78.128.113.42 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=64124 PROTO=TCP SPT=40699 DPT=7015 WINDOW=1024 RES=0x00 SYN URGP=0
2020-07-11 14:34:36
211.147.216.19 attackbotsspam
Jul 11 08:55:24 ift sshd\[46511\]: Invalid user rtos from 211.147.216.19Jul 11 08:55:26 ift sshd\[46511\]: Failed password for invalid user rtos from 211.147.216.19 port 59886 ssh2Jul 11 09:00:05 ift sshd\[47586\]: Invalid user karla from 211.147.216.19Jul 11 09:00:07 ift sshd\[47586\]: Failed password for invalid user karla from 211.147.216.19 port 50710 ssh2Jul 11 09:04:44 ift sshd\[48521\]: Invalid user test from 211.147.216.19
...
2020-07-11 14:22:44
75.31.93.181 attackbotsspam
detected by Fail2Ban
2020-07-11 13:59:15
51.178.24.61 attackspam
Jul 11 07:19:29 lukav-desktop sshd\[705\]: Invalid user custom from 51.178.24.61
Jul 11 07:19:29 lukav-desktop sshd\[705\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.178.24.61
Jul 11 07:19:31 lukav-desktop sshd\[705\]: Failed password for invalid user custom from 51.178.24.61 port 51050 ssh2
Jul 11 07:24:48 lukav-desktop sshd\[797\]: Invalid user delores from 51.178.24.61
Jul 11 07:24:48 lukav-desktop sshd\[797\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.178.24.61
2020-07-11 14:22:08
91.121.65.15 attack
2020-07-11T06:58:29.100030vps773228.ovh.net sshd[8248]: Invalid user lrmagento from 91.121.65.15 port 52548
2020-07-11T06:58:29.105178vps773228.ovh.net sshd[8248]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns336411.ip-91-121-65.eu
2020-07-11T06:58:29.100030vps773228.ovh.net sshd[8248]: Invalid user lrmagento from 91.121.65.15 port 52548
2020-07-11T06:58:30.669872vps773228.ovh.net sshd[8248]: Failed password for invalid user lrmagento from 91.121.65.15 port 52548 ssh2
2020-07-11T07:01:33.639648vps773228.ovh.net sshd[8285]: Invalid user dailinjie from 91.121.65.15 port 48904
...
2020-07-11 14:36:25
37.49.229.207 attackspam
[2020-07-11 02:06:26] NOTICE[1150][C-00001d2e] chan_sip.c: Call from '' (37.49.229.207:37749) to extension '0+48323395006' rejected because extension not found in context 'public'.
[2020-07-11 02:06:26] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-11T02:06:26.426-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0+48323395006",SessionID="0x7fcb4c0dfe08",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.229.207/5060",ACLName="no_extension_match"
[2020-07-11 02:08:33] NOTICE[1150][C-00001d31] chan_sip.c: Call from '' (37.49.229.207:32522) to extension '00+48323395006' rejected because extension not found in context 'public'.
[2020-07-11 02:08:33] SECURITY[1167] res_security_log.c: SecurityEvent="FailedACL",EventTV="2020-07-11T02:08:33.931-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="00+48323395006",SessionID="0x7fcb4c39d6d8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/37.49.2
...
2020-07-11 14:27:39
106.12.173.236 attackbots
2020-07-11T07:55:57.650924ks3355764 sshd[26448]: Invalid user z-knishi from 106.12.173.236 port 44086
2020-07-11T07:55:59.240524ks3355764 sshd[26448]: Failed password for invalid user z-knishi from 106.12.173.236 port 44086 ssh2
...
2020-07-11 14:05:03
106.12.192.91 attack
Jul 11 05:45:37 havingfunrightnow sshd[15225]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.192.91 
Jul 11 05:45:40 havingfunrightnow sshd[15225]: Failed password for invalid user adi from 106.12.192.91 port 58370 ssh2
Jul 11 05:55:49 havingfunrightnow sshd[15463]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.192.91 
...
2020-07-11 14:03:14
111.72.196.160 attackspambots
Jul 11 08:04:20 srv01 postfix/smtpd\[16947\]: warning: unknown\[111.72.196.160\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 08:04:34 srv01 postfix/smtpd\[16947\]: warning: unknown\[111.72.196.160\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 08:04:50 srv01 postfix/smtpd\[16947\]: warning: unknown\[111.72.196.160\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 08:05:09 srv01 postfix/smtpd\[16947\]: warning: unknown\[111.72.196.160\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 11 08:05:21 srv01 postfix/smtpd\[16947\]: warning: unknown\[111.72.196.160\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-07-11 14:20:43
51.178.29.191 attackbotsspam
(sshd) Failed SSH login from 51.178.29.191 (FR/France/191.ip-51-178-29.eu): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Jul 11 05:47:57 amsweb01 sshd[20959]: Invalid user demos from 51.178.29.191 port 33450
Jul 11 05:47:59 amsweb01 sshd[20959]: Failed password for invalid user demos from 51.178.29.191 port 33450 ssh2
Jul 11 05:52:10 amsweb01 sshd[21624]: Invalid user xguest from 51.178.29.191 port 38032
Jul 11 05:52:12 amsweb01 sshd[21624]: Failed password for invalid user xguest from 51.178.29.191 port 38032 ssh2
Jul 11 05:55:18 amsweb01 sshd[22096]: Invalid user jira from 51.178.29.191 port 34022
2020-07-11 14:29:51
107.77.201.65 attack
Hacker iOS iPhone
2020-07-11 14:31:46
113.87.162.189 attackspambots
07/10/2020-23:55:25.028945 113.87.162.189 Protocol: 6 ET SCAN Suspicious inbound to MSSQL port 1433
2020-07-11 14:27:12

Recently Reported IPs

104.21.54.214 104.21.54.24 104.21.54.192 104.21.54.36
104.18.31.130 104.18.31.133 104.21.57.250 104.21.57.222
104.21.57.82 104.21.57.66 104.21.57.56 104.21.57.55
104.21.57.35 104.21.57.65 104.21.57.72 104.21.57.38
104.18.31.144 104.21.57.229 104.21.57.76 104.21.57.90