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 <<>> 104.21.53.138
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57530
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.53.138.			IN	A

;; AUTHORITY SECTION:
.			510	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 02:36:06 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 138.53.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 138.53.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
113.226.114.241 attack
Unauthorised access (Sep 12) SRC=113.226.114.241 LEN=44 TTL=46 ID=884 TCP DPT=8080 WINDOW=56425 SYN 
Unauthorised access (Sep 11) SRC=113.226.114.241 LEN=44 TTL=46 ID=34423 TCP DPT=8080 WINDOW=35129 SYN 
Unauthorised access (Sep 11) SRC=113.226.114.241 LEN=44 TTL=46 ID=37762 TCP DPT=8080 WINDOW=35129 SYN
2020-09-12 15:51:30
119.5.157.124 attack
$f2bV_matches
2020-09-12 15:48:04
180.76.134.238 attack
$f2bV_matches
2020-09-12 15:38:22
3.89.150.211 attack
Fail2Ban Ban Triggered
2020-09-12 15:43:38
140.143.137.170 attack
Sep 12 00:48:52 fhem-rasp sshd[26204]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=140.143.137.170
Sep 12 00:48:53 fhem-rasp sshd[26204]: Failed password for invalid user svn from 140.143.137.170 port 42148 ssh2
...
2020-09-12 15:28:58
180.166.141.58 attackbots
Port scan denied
2020-09-12 15:25:11
165.22.227.121 attack
Port 22 Scan, PTR: None
2020-09-12 15:37:10
190.144.139.76 attack
Sep 12 09:38:53 rancher-0 sshd[2405]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.144.139.76  user=root
Sep 12 09:38:54 rancher-0 sshd[2405]: Failed password for root from 190.144.139.76 port 7162 ssh2
...
2020-09-12 15:46:26
216.218.206.72 attackbotsspam
1599891668 - 09/12/2020 08:21:08 Host: 216.218.206.72/216.218.206.72 Port: 389 TCP Blocked
...
2020-09-12 15:16:49
106.13.144.207 attackspam
Sep 12 07:55:20 dhoomketu sshd[3026535]: Failed password for root from 106.13.144.207 port 52194 ssh2
Sep 12 07:56:28 dhoomketu sshd[3026551]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.144.207  user=root
Sep 12 07:56:30 dhoomketu sshd[3026551]: Failed password for root from 106.13.144.207 port 38840 ssh2
Sep 12 07:57:35 dhoomketu sshd[3026589]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.144.207  user=root
Sep 12 07:57:37 dhoomketu sshd[3026589]: Failed password for root from 106.13.144.207 port 53720 ssh2
...
2020-09-12 15:28:29
103.133.110.47 attack
Fail2Ban Ban Triggered
2020-09-12 15:30:56
122.51.222.42 attackbotsspam
Sep 11 23:07:20 [host] sshd[7744]: pam_unix(sshd:a
Sep 11 23:07:22 [host] sshd[7744]: Failed password
Sep 11 23:09:53 [host] sshd[8119]: pam_unix(sshd:a
2020-09-12 15:38:53
164.132.73.220 attack
Sep 12 07:10:00 scw-6657dc sshd[31237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.73.220  user=root
Sep 12 07:10:00 scw-6657dc sshd[31237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.132.73.220  user=root
Sep 12 07:10:02 scw-6657dc sshd[31237]: Failed password for root from 164.132.73.220 port 47820 ssh2
...
2020-09-12 15:19:07
111.72.193.11 attackbots
Sep 11 20:08:58 srv01 postfix/smtpd\[13472\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:12:27 srv01 postfix/smtpd\[18613\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:15:56 srv01 postfix/smtpd\[16922\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:16:08 srv01 postfix/smtpd\[16922\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep 11 20:16:24 srv01 postfix/smtpd\[16922\]: warning: unknown\[111.72.193.11\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-12 15:43:22
31.187.0.153 attackspam
1599843280 - 09/11/2020 18:54:40 Host: 31.187.0.153/31.187.0.153 Port: 445 TCP Blocked
2020-09-12 15:26:34

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