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 <<>> 104.21.5.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11216
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.5.54.			IN	A

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

;; Query time: 25 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:34:23 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 54.5.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.5.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
201.69.200.201 attackspam
Jul 28 01:10:35 MK-Soft-VM3 sshd\[7649\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.69.200.201  user=root
Jul 28 01:10:38 MK-Soft-VM3 sshd\[7649\]: Failed password for root from 201.69.200.201 port 24806 ssh2
Jul 28 01:16:20 MK-Soft-VM3 sshd\[7867\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=201.69.200.201  user=root
...
2019-07-28 10:00:54
63.143.35.146 attackbotsspam
\[2019-07-27 21:17:15\] NOTICE\[2288\] chan_sip.c: Registration from '\' failed for '63.143.35.146:52927' - Wrong password
\[2019-07-27 21:17:15\] SECURITY\[2326\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-27T21:17:15.259-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="810",SessionID="0x7ff4d02ab878",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/63.143.35.146/52927",Challenge="54c61e82",ReceivedChallenge="54c61e82",ReceivedHash="3880f01da2d00a29fab0fd4a759a2fb5"
\[2019-07-27 21:17:20\] NOTICE\[2288\] chan_sip.c: Registration from '\' failed for '63.143.35.146:58342' - Wrong password
\[2019-07-27 21:17:20\] SECURITY\[2326\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-07-27T21:17:20.427-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="622",SessionID="0x7ff4d051f0b8",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/63.143.35.146
2019-07-28 09:33:36
192.241.249.19 attackspambots
Jul 28 03:10:03 host sshd\[2946\]: Failed password for root from 192.241.249.19 port 48471 ssh2
Jul 28 03:16:57 host sshd\[6393\]: Failed password for root from 192.241.249.19 port 46109 ssh2
...
2019-07-28 09:45:24
197.26.88.147 attackspambots
Looking for resource vulnerabilities
2019-07-28 10:03:14
118.24.34.26 attackbots
Jul 28 01:33:11 localhost sshd\[86179\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.34.26  user=root
Jul 28 01:33:12 localhost sshd\[86179\]: Failed password for root from 118.24.34.26 port 46312 ssh2
Jul 28 01:38:48 localhost sshd\[86335\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.34.26  user=root
Jul 28 01:38:50 localhost sshd\[86335\]: Failed password for root from 118.24.34.26 port 32877 ssh2
Jul 28 01:44:21 localhost sshd\[86871\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.34.26  user=root
...
2019-07-28 09:49:44
200.148.80.253 attackspambots
web-1 [ssh] SSH Attack
2019-07-28 09:35:50
112.186.77.102 attack
Jul 28 02:24:22 ncomp sshd[11855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.186.77.102  user=root
Jul 28 02:24:24 ncomp sshd[11855]: Failed password for root from 112.186.77.102 port 45176 ssh2
Jul 28 03:17:12 ncomp sshd[13246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.186.77.102  user=root
Jul 28 03:17:14 ncomp sshd[13246]: Failed password for root from 112.186.77.102 port 54646 ssh2
2019-07-28 09:36:54
157.230.190.1 attackspam
2019-07-28T01:17:04.462428abusebot.cloudsearch.cf sshd\[16808\]: Invalid user ooo123 from 157.230.190.1 port 36558
2019-07-28 09:42:50
51.255.35.182 attackspam
Jul 28 03:08:44 OPSO sshd\[9760\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.35.182  user=root
Jul 28 03:08:46 OPSO sshd\[9760\]: Failed password for root from 51.255.35.182 port 58928 ssh2
Jul 28 03:13:20 OPSO sshd\[10174\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.35.182  user=root
Jul 28 03:13:23 OPSO sshd\[10174\]: Failed password for root from 51.255.35.182 port 54344 ssh2
Jul 28 03:17:57 OPSO sshd\[10607\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.255.35.182  user=root
2019-07-28 09:20:40
112.160.217.138 attack
Jul 27 20:07:03 aat-srv002 sshd[28499]: Failed password for root from 112.160.217.138 port 48208 ssh2
Jul 27 20:12:20 aat-srv002 sshd[28619]: Failed password for root from 112.160.217.138 port 45389 ssh2
Jul 27 20:17:37 aat-srv002 sshd[28730]: Failed password for root from 112.160.217.138 port 42566 ssh2
...
2019-07-28 09:28:51
193.32.163.182 attackspambots
Bruteforce on SSH Honeypot
2019-07-28 09:20:16
121.200.55.37 attack
Too many connections or unauthorized access detected from Arctic banned ip
2019-07-28 09:26:52
187.87.104.62 attack
2019-07-28T01:51:47.940339abusebot-7.cloudsearch.cf sshd\[12791\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.87.104.62  user=root
2019-07-28 10:00:18
51.254.58.226 attackspam
Jul 28 03:24:14 mail postfix/smtpd\[29914\]: warning: unknown\[51.254.58.226\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 28 03:24:48 mail postfix/smtpd\[29914\]: warning: unknown\[51.254.58.226\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jul 28 03:25:46 mail postfix/smtpd\[30815\]: warning: unknown\[51.254.58.226\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-07-28 09:37:37
31.217.214.192 attack
Jul 28 04:16:57 srv-4 sshd\[17081\]: Invalid user admin from 31.217.214.192
Jul 28 04:16:57 srv-4 sshd\[17081\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=31.217.214.192
Jul 28 04:16:59 srv-4 sshd\[17081\]: Failed password for invalid user admin from 31.217.214.192 port 48679 ssh2
...
2019-07-28 09:44:02

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