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: None

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 <<>> 104.21.40.53
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 63415
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.53.			IN	A

;; AUTHORITY SECTION:
.			309	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 19 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 21:58:32 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 53.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 53.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
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WordPress brute force
2020-06-04 05:27:11
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SMTP:25. Login attempt blocked.
2020-06-04 05:01:43
49.232.95.250 attackspambots
Jun  3 22:42:22 eventyay sshd[29174]: Failed password for root from 49.232.95.250 port 45674 ssh2
Jun  3 22:45:05 eventyay sshd[29263]: Failed password for root from 49.232.95.250 port 33004 ssh2
...
2020-06-04 05:29:00
150.109.151.136 attackbotsspam
Jun  3 22:46:08 localhost sshd\[10012\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.151.136  user=root
Jun  3 22:46:10 localhost sshd\[10012\]: Failed password for root from 150.109.151.136 port 45948 ssh2
Jun  3 22:50:07 localhost sshd\[10230\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.151.136  user=root
Jun  3 22:50:09 localhost sshd\[10230\]: Failed password for root from 150.109.151.136 port 55258 ssh2
Jun  3 22:54:02 localhost sshd\[10302\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.109.151.136  user=root
...
2020-06-04 04:56:46
120.132.120.7 attack
2020-06-03T22:14:51.894849+02:00  sshd[8425]: Failed password for root from 120.132.120.7 port 56940 ssh2
2020-06-04 05:25:25
18.230.13.131 attack
WordPress brute force
2020-06-04 05:18:57
45.235.46.138 attackbots
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2020-06-04 05:05:50
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167.99.244.233 has been banned for [WebApp Attack]
...
2020-06-04 05:22:49
35.194.246.104 attackspambots
WordPress brute force
2020-06-04 05:14:58
42.200.80.42 attackbots
Jun  3 23:22:53 server sshd[30544]: Failed password for root from 42.200.80.42 port 46440 ssh2
Jun  3 23:26:42 server sshd[1960]: Failed password for root from 42.200.80.42 port 45768 ssh2
Jun  3 23:30:29 server sshd[5833]: Failed password for root from 42.200.80.42 port 45076 ssh2
2020-06-04 05:32:25
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Honeypot attack, port: 81, PTR: 59-127-196-121.HINET-IP.hinet.net.
2020-06-04 05:32:12
155.230.28.207 attack
k+ssh-bruteforce
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2020-06-04 05:13:58
60.190.135.238 attackbots
Unauthorized connection attempt from IP address 60.190.135.238 on Port 445(SMB)
2020-06-04 05:25:58
62.138.3.134 attackspam
xmlrpc attack
2020-06-04 05:09:40

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