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 <<>> 21.53.38.104
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 55711
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.53.38.104.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025020500 1800 900 604800 86400

;; Query time: 43 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 05 21:12:33 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 104.38.53.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 104.38.53.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
165.22.59.82 attackbots
Automated report - ssh fail2ban:
Aug 7 03:53:38 wrong password, user=java, port=57196, ssh2
Aug 7 04:25:40 authentication failure 
Aug 7 04:25:42 wrong password, user=ftpuser, port=45548, ssh2
2019-08-07 10:45:25
86.165.141.161 attackbotsspam
Automatic report - Port Scan Attack
2019-08-07 10:51:38
197.253.70.171 attackspambots
445/tcp
[2019-08-06]1pkt
2019-08-07 10:17:16
89.248.172.85 attackspam
08/06/2019-21:54:30.620818 89.248.172.85 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 99
2019-08-07 10:28:36
41.94.97.138 attack
2019-08-07T01:45:05.718590abusebot-7.cloudsearch.cf sshd\[2907\]: Invalid user vicky from 41.94.97.138 port 56360
2019-08-07 10:10:30
138.246.253.5 attack
firewall-block_invalid_GET_Request
2019-08-07 10:37:17
45.238.204.13 attackspam
Automatic report - Port Scan Attack
2019-08-07 10:40:04
101.99.23.105 attackbotsspam
445/tcp
[2019-08-06]1pkt
2019-08-07 10:23:38
212.129.128.249 attackbotsspam
Aug  6 22:23:33 mail sshd\[8772\]: Failed password for invalid user document from 212.129.128.249 port 40494 ssh2
Aug  6 22:41:39 mail sshd\[9081\]: Invalid user student from 212.129.128.249 port 38082
Aug  6 22:41:39 mail sshd\[9081\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=212.129.128.249
...
2019-08-07 10:21:44
182.254.136.65 attack
no
2019-08-07 10:23:04
145.239.73.103 attackbots
Aug  6 23:41:01 ncomp sshd[8234]: Invalid user riina from 145.239.73.103
Aug  6 23:41:01 ncomp sshd[8234]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.73.103
Aug  6 23:41:01 ncomp sshd[8234]: Invalid user riina from 145.239.73.103
Aug  6 23:41:03 ncomp sshd[8234]: Failed password for invalid user riina from 145.239.73.103 port 34554 ssh2
2019-08-07 10:36:45
200.23.234.203 attackspam
failed_logins
2019-08-07 10:16:55
180.171.134.58 attackspam
445/tcp
[2019-08-06]1pkt
2019-08-07 10:16:29
92.208.115.102 attackspambots
Caught in portsentry honeypot
2019-08-07 10:27:31
125.42.149.1 attackspambots
Unauthorised access (Aug  7) SRC=125.42.149.1 LEN=40 TTL=49 ID=58524 TCP DPT=8080 WINDOW=12701 SYN 
Unauthorised access (Aug  6) SRC=125.42.149.1 LEN=40 TTL=49 ID=37048 TCP DPT=8080 WINDOW=4279 SYN 
Unauthorised access (Aug  5) SRC=125.42.149.1 LEN=40 TTL=49 ID=58732 TCP DPT=8080 WINDOW=9789 SYN
2019-08-07 10:09:39

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