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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.54.209
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 48464
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.54.209.			IN	A

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

;; Query time: 61 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:36:44 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 209.54.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 209.54.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
115.159.39.235 attack
Dec 13 14:09:26 h2034429 sshd[17253]: Invalid user jago from 115.159.39.235
Dec 13 14:09:26 h2034429 sshd[17253]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.39.235
Dec 13 14:09:28 h2034429 sshd[17253]: Failed password for invalid user jago from 115.159.39.235 port 32852 ssh2
Dec 13 14:09:28 h2034429 sshd[17253]: Received disconnect from 115.159.39.235 port 32852:11: Bye Bye [preauth]
Dec 13 14:09:28 h2034429 sshd[17253]: Disconnected from 115.159.39.235 port 32852 [preauth]
Dec 13 14:34:25 h2034429 sshd[17574]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=115.159.39.235  user=r.r
Dec 13 14:34:27 h2034429 sshd[17574]: Failed password for r.r from 115.159.39.235 port 56814 ssh2
Dec 13 14:34:28 h2034429 sshd[17574]: Received disconnect from 115.159.39.235 port 56814:11: Bye Bye [preauth]
Dec 13 14:34:28 h2034429 sshd[17574]: Disconnected from 115.159.39.235 port 56814 [preauth]
........
-------------------------------
2019-12-14 20:04:01
79.115.187.99 attack
" "
2019-12-14 20:26:46
150.129.131.178 attack
Unauthorized connection attempt detected from IP address 150.129.131.178 to port 445
2019-12-14 20:07:09
180.76.108.151 attackbotsspam
2019-12-14T10:37:34.212969abusebot-6.cloudsearch.cf sshd\[12333\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.108.151  user=mail
2019-12-14T10:37:36.256609abusebot-6.cloudsearch.cf sshd\[12333\]: Failed password for mail from 180.76.108.151 port 59888 ssh2
2019-12-14T10:43:37.319408abusebot-6.cloudsearch.cf sshd\[12370\]: Invalid user mysql from 180.76.108.151 port 55694
2019-12-14T10:43:37.324790abusebot-6.cloudsearch.cf sshd\[12370\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.76.108.151
2019-12-14 20:27:44
90.221.73.248 attackbots
TCP Port Scanning
2019-12-14 19:59:54
103.127.77.78 attack
Dec 13 20:54:23 server6 sshd[8575]: Failed password for invalid user kerchenfaut from 103.127.77.78 port 40036 ssh2
Dec 13 20:54:23 server6 sshd[8575]: Received disconnect from 103.127.77.78: 11: Bye Bye [preauth]
Dec 13 21:02:09 server6 sshd[18080]: Failed password for invalid user statsvhostnameenskap from 103.127.77.78 port 58512 ssh2
Dec 13 21:02:09 server6 sshd[18080]: Received disconnect from 103.127.77.78: 11: Bye Bye [preauth]
Dec 13 21:09:07 server6 sshd[24813]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=103.127.77.78  user=r.r
Dec 13 21:09:08 server6 sshd[24813]: Failed password for r.r from 103.127.77.78 port 42516 ssh2
Dec 13 21:09:08 server6 sshd[24813]: Received disconnect from 103.127.77.78: 11: Bye Bye [preauth]
Dec 13 21:15:54 server6 sshd[31041]: Failed password for invalid user amir from 103.127.77.78 port 54776 ssh2
Dec 13 21:15:55 server6 sshd[31041]: Received disconnect from 103.127.77.78: 11: Bye Bye [p........
-------------------------------
2019-12-14 20:29:04
112.85.42.89 attack
sshd jail - ssh hack attempt
2019-12-14 20:20:10
109.73.46.142 attackspambots
$f2bV_matches
2019-12-14 20:04:23
222.186.173.183 attackbotsspam
Dec 14 13:09:01 eventyay sshd[30183]: Failed password for root from 222.186.173.183 port 15028 ssh2
Dec 14 13:09:14 eventyay sshd[30183]: Failed password for root from 222.186.173.183 port 15028 ssh2
Dec 14 13:09:14 eventyay sshd[30183]: error: maximum authentication attempts exceeded for root from 222.186.173.183 port 15028 ssh2 [preauth]
...
2019-12-14 20:17:06
182.35.80.174 attackspambots
Dec 14 01:24:06 esmtp postfix/smtpd[20206]: lost connection after AUTH from unknown[182.35.80.174]
Dec 14 01:24:10 esmtp postfix/smtpd[20206]: lost connection after AUTH from unknown[182.35.80.174]
Dec 14 01:24:13 esmtp postfix/smtpd[20206]: lost connection after AUTH from unknown[182.35.80.174]
Dec 14 01:24:16 esmtp postfix/smtpd[20206]: lost connection after AUTH from unknown[182.35.80.174]
Dec 14 01:24:18 esmtp postfix/smtpd[20206]: lost connection after AUTH from unknown[182.35.80.174]

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=182.35.80.174
2019-12-14 20:02:31
191.53.71.87 attackbotsspam
Dec 14 07:24:21 debian-2gb-nbg1-2 kernel: \[24586190.469534\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=191.53.71.87 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=51 ID=22697 PROTO=TCP SPT=6515 DPT=23 WINDOW=49166 RES=0x00 SYN URGP=0
2019-12-14 19:59:08
42.115.221.40 attackbots
Invalid user drescher from 42.115.221.40 port 48498
2019-12-14 20:27:04
45.184.225.2 attackspam
Dec 14 14:04:12 hosting sshd[30239]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.184.225.2  user=root
Dec 14 14:04:14 hosting sshd[30239]: Failed password for root from 45.184.225.2 port 45626 ssh2
...
2019-12-14 20:18:40
172.104.100.117 attackbots
Unauthorized connection attempt detected from IP address 172.104.100.117 to port 3128
2019-12-14 19:48:00
39.153.252.196 attackbots
Fail2Ban Ban Triggered
2019-12-14 19:50:22

Recently Reported IPs

104.21.54.201 104.21.54.213 104.21.54.212 104.21.7.27
104.21.54.210 104.21.54.216 104.21.54.219 104.21.54.221
104.21.54.218 104.21.54.225 104.21.54.223 104.21.54.226
104.21.54.217 104.21.54.224 104.21.54.235 104.21.54.230
104.21.54.236 104.21.7.29 104.21.54.237 104.21.54.238