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 <<>> 104.21.235.54
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 20791
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.235.54.			IN	A

;; AUTHORITY SECTION:
.			418	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021602 1800 900 604800 86400

;; Query time: 182 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 08:54:56 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 54.235.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 54.235.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
91.99.72.137 attack
Oct 11 20:53:20 mail sshd[3730]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.72.137  user=root
Oct 11 20:53:22 mail sshd[3730]: Failed password for root from 91.99.72.137 port 55148 ssh2
Oct 11 21:36:29 mail sshd[4791]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.72.137  user=root
Oct 11 21:36:31 mail sshd[4791]: Failed password for root from 91.99.72.137 port 46486 ssh2
Oct 11 21:39:22 mail sshd[9435]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=91.99.72.137  user=root
Oct 11 21:39:23 mail sshd[9435]: Failed password for root from 91.99.72.137 port 39740 ssh2
...
2019-10-13 04:58:50
77.247.110.232 attackbots
\[2019-10-12 15:56:10\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-12T15:56:10.222-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="3075101148413828012",SessionID="0x7fc3ad578188",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.232/19251",ACLName="no_extension_match"
\[2019-10-12 15:56:39\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-12T15:56:39.913-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="2656701148632170013",SessionID="0x7fc3ac2ed548",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.232/57048",ACLName="no_extension_match"
\[2019-10-12 15:56:42\] SECURITY\[1898\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-10-12T15:56:42.684-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="3492601148323235001",SessionID="0x7fc3ad578188",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/77.247.110.232/4915",A
2019-10-13 04:53:15
1.183.152.253 attack
Unsolicited bulk porn & phishing - varying ISPs (primarily Chinanet); repetitive redirects from blacklisted IP 92.63.192.124 & .151; spam volume up to 15/day.  

Unsolicited bulk spam - u-gun.co.jp, CHINANET NeiMengGu province network - 1.183.152.253

Sender domain hekimpor.com = 212.252.63.11 Tellcom Customer LAN

Repetitive reply-to in this spam series.
Reply-To: nanikarige@yahoo.com

Spam series change: no phishing redirect spam link.  Malicious attachment - Outlook blocked access to unsafe attachment: 22.jpg
2019-10-13 04:46:27
103.232.123.80 attack
WordPress brute force
2019-10-13 04:43:49
113.225.186.79 attackspam
Oct 12 08:37:47 ingram sshd[13961]: Invalid user pi from 113.225.186.79
Oct 12 08:37:47 ingram sshd[13961]: Failed none for invalid user pi from 113.225.186.79 port 57322 ssh2
Oct 12 08:37:47 ingram sshd[13963]: Invalid user pi from 113.225.186.79
Oct 12 08:37:47 ingram sshd[13963]: Failed none for invalid user pi from 113.225.186.79 port 57332 ssh2
Oct 12 08:37:47 ingram sshd[13961]: Failed password for invalid user pi from 113.225.186.79 port 57322 ssh2
Oct 12 08:37:47 ingram sshd[13963]: Failed password for invalid user pi from 113.225.186.79 port 57332 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=113.225.186.79
2019-10-13 05:13:03
96.125.172.61 attack
Sql/code injection probe
2019-10-13 05:13:29
128.199.52.45 attackspambots
Oct 12 20:40:22 vps647732 sshd[5087]: Failed password for root from 128.199.52.45 port 56838 ssh2
...
2019-10-13 05:17:21
188.92.75.248 attackspambots
detected by Fail2Ban
2019-10-13 04:53:48
186.103.197.99 attackbots
Port 1433 Scan
2019-10-13 04:56:04
185.209.0.14 attackbotsspam
RDP Bruteforce
2019-10-13 05:10:57
157.230.226.7 attack
$f2bV_matches
2019-10-13 04:40:54
41.65.197.162 attackbotsspam
SMB Server BruteForce Attack
2019-10-13 05:13:40
188.166.226.209 attackspambots
Invalid user 123 from 188.166.226.209 port 41456
2019-10-13 04:50:44
65.19.174.248 attackspambots
SMB Server BruteForce Attack
2019-10-13 05:01:24
80.211.140.188 attack
[munged]::443 80.211.140.188 - - [12/Oct/2019:22:35:52 +0200] "POST /[munged]: HTTP/1.1" 200 6624 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
[munged]::443 80.211.140.188 - - [12/Oct/2019:22:35:54 +0200] "POST /[munged]: HTTP/1.1" 200 6623 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2019-10-13 05:11:46

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