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 of America (the)

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 <<>> 21.172.54.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63448
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.172.54.104.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025012600 1800 900 604800 86400

;; Query time: 150 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Jan 26 15:57:24 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 104.54.172.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.54.172.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
188.131.154.248 attackspambots
Oct  7 03:35:38 tdfoods sshd\[12704\]: Invalid user Amateur from 188.131.154.248
Oct  7 03:35:38 tdfoods sshd\[12704\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.154.248
Oct  7 03:35:40 tdfoods sshd\[12704\]: Failed password for invalid user Amateur from 188.131.154.248 port 50164 ssh2
Oct  7 03:40:50 tdfoods sshd\[13237\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.131.154.248  user=root
Oct  7 03:40:52 tdfoods sshd\[13237\]: Failed password for root from 188.131.154.248 port 55520 ssh2
2019-10-08 03:01:07
41.73.252.236 attackspam
$f2bV_matches
2019-10-08 02:29:32
165.227.186.227 attack
$f2bV_matches
2019-10-08 03:03:39
104.131.15.189 attackbotsspam
2019-10-07T11:37:48.044179abusebot.cloudsearch.cf sshd\[4733\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=gcore.io  user=root
2019-10-08 02:42:40
81.180.218.14 attack
Autoban   81.180.218.14 AUTH/CONNECT
2019-10-08 02:31:44
106.58.168.5 attack
Oct  7 08:00:10 wbs sshd\[32353\]: Invalid user zaq123!@\# from 106.58.168.5
Oct  7 08:00:10 wbs sshd\[32353\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.58.168.5
Oct  7 08:00:12 wbs sshd\[32353\]: Failed password for invalid user zaq123!@\# from 106.58.168.5 port 41640 ssh2
Oct  7 08:04:57 wbs sshd\[349\]: Invalid user 123Oscar from 106.58.168.5
Oct  7 08:04:57 wbs sshd\[349\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.58.168.5
2019-10-08 02:56:32
193.31.210.138 attackspam
Oct  7 16:02:00 h2177944 kernel: \[3333023.894597\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=193.31.210.138 DST=85.214.117.9 LEN=40 TOS=0x08 PREC=0x20 TTL=62 ID=30042 DF PROTO=TCP SPT=64318 DPT=80 WINDOW=29200 RES=0x00 SYN URGP=0 
Oct  7 16:02:55 h2177944 kernel: \[3333078.577712\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=193.31.210.138 DST=85.214.117.9 LEN=40 TOS=0x08 PREC=0x20 TTL=69 ID=1613 DF PROTO=TCP SPT=49836 DPT=443 WINDOW=29200 RES=0x00 SYN URGP=0 
Oct  7 16:02:58 h2177944 kernel: \[3333081.683501\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=193.31.210.138 DST=85.214.117.9 LEN=40 TOS=0x08 PREC=0x20 TTL=52 ID=51802 DF PROTO=TCP SPT=59971 DPT=465 WINDOW=29200 RES=0x00 SYN URGP=0 
Oct  7 16:08:40 h2177944 kernel: \[3333423.020061\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=193.31.210.138 DST=85.214.117.9 LEN=40 TOS=0x08 PREC=0x20 TTL=80 ID=61855 DF PROTO=TCP SPT=59575 DPT=53 WINDOW=29200 RES=0x00 SYN URGP=0 
Oct  7 16:16:16 h2177944 kernel: \[3333878.906229\] \[UFW BLOCK\] IN=venet0 OUT= MAC= SRC=193.31.210.138 DST=85
2019-10-08 02:37:35
69.94.131.100 attackbots
Postfix DNSBL listed. Trying to send SPAM.
2019-10-08 02:59:12
217.182.79.245 attack
Oct  7 20:31:20 ns381471 sshd[2018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.79.245
Oct  7 20:31:22 ns381471 sshd[2018]: Failed password for invalid user 123Admin from 217.182.79.245 port 53616 ssh2
Oct  7 20:36:01 ns381471 sshd[2225]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=217.182.79.245
2019-10-08 02:53:13
209.97.169.136 attackspam
Oct  7 20:12:31 MK-Soft-VM7 sshd[18354]: Failed password for root from 209.97.169.136 port 33744 ssh2
...
2019-10-08 03:00:39
121.67.246.142 attack
Oct  7 21:57:29 webhost01 sshd[20038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.67.246.142
Oct  7 21:57:31 webhost01 sshd[20038]: Failed password for invalid user 54321qwert from 121.67.246.142 port 51378 ssh2
...
2019-10-08 02:41:01
139.59.40.233 attackspambots
WordPress login Brute force / Web App Attack on client site.
2019-10-08 02:29:18
223.220.159.78 attack
Oct  7 13:28:31 heissa sshd\[8219\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.220.159.78  user=root
Oct  7 13:28:34 heissa sshd\[8219\]: Failed password for root from 223.220.159.78 port 59015 ssh2
Oct  7 13:32:50 heissa sshd\[8878\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.220.159.78  user=root
Oct  7 13:32:52 heissa sshd\[8878\]: Failed password for root from 223.220.159.78 port 37232 ssh2
Oct  7 13:37:17 heissa sshd\[9539\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.220.159.78  user=root
2019-10-08 02:57:03
89.136.1.24 attack
" "
2019-10-08 02:33:56
212.237.54.236 attackspambots
Lines containing failures of 212.237.54.236
Oct  7 10:40:10 shared06 sshd[8165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.54.236  user=r.r
Oct  7 10:40:12 shared06 sshd[8165]: Failed password for r.r from 212.237.54.236 port 54072 ssh2
Oct  7 10:40:12 shared06 sshd[8165]: Received disconnect from 212.237.54.236 port 54072:11: Bye Bye [preauth]
Oct  7 10:40:12 shared06 sshd[8165]: Disconnected from authenticating user r.r 212.237.54.236 port 54072 [preauth]
Oct  7 10:52:27 shared06 sshd[11785]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.237.54.236  user=r.r
Oct  7 10:52:28 shared06 sshd[11785]: Failed password for r.r from 212.237.54.236 port 49234 ssh2
Oct  7 10:52:29 shared06 sshd[11785]: Received disconnect from 212.237.54.236 port 49234:11: Bye Bye [preauth]
Oct  7 10:52:29 shared06 sshd[11785]: Disconnected from authenticating user r.r 212.237.54.236 port 49234 [pr........
------------------------------
2019-10-08 02:39:00

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