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 <<>> 104.210.53.142
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26699
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.210.53.142.			IN	A

;; AUTHORITY SECTION:
.			138	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022031602 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Mar 17 05:08:58 CST 2022
;; MSG SIZE  rcvd: 107
Host info
142.53.210.104.in-addr.arpa domain name pointer mail.doc-tracking.com.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
142.53.210.104.in-addr.arpa	name = mail.doc-tracking.com.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
222.239.78.88 attackbots
SSH authentication failure x 6 reported by Fail2Ban
...
2019-08-13 08:00:15
195.136.30.57 attackbotsspam
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:32:03
191.53.251.108 attackbotsspam
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:33:54
123.207.86.68 attackspambots
Aug 13 03:17:10 srv-4 sshd\[16030\]: Invalid user dstserver from 123.207.86.68
Aug 13 03:17:10 srv-4 sshd\[16030\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.207.86.68
Aug 13 03:17:12 srv-4 sshd\[16030\]: Failed password for invalid user dstserver from 123.207.86.68 port 35411 ssh2
...
2019-08-13 08:19:12
137.59.214.40 attackspam
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:27:20
189.91.3.114 attackbotsspam
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:39:57
178.18.34.210 attackspambots
445/tcp 445/tcp 445/tcp...
[2019-07-27/08-12]5pkt,1pt.(tcp)
2019-08-13 08:16:06
182.254.217.198 attackspambots
445/tcp 445/tcp 445/tcp...
[2019-06-17/08-12]17pkt,1pt.(tcp)
2019-08-13 08:06:27
191.242.75.78 attack
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:32:35
177.154.238.33 attackbotsspam
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:47:32
59.120.75.238 attack
23/tcp 23/tcp 23/tcp...
[2019-06-17/08-12]6pkt,1pt.(tcp)
2019-08-13 08:29:01
191.240.70.35 attackbots
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:33:05
177.130.162.222 attackbots
Unauthorized SMTP/IMAP/POP3 connection attempt
2019-08-13 08:48:21
121.134.218.148 attackspam
2019-08-13T07:02:47.842245enmeeting.mahidol.ac.th sshd\[11933\]: Invalid user alessia from 121.134.218.148 port 15126
2019-08-13T07:02:47.856985enmeeting.mahidol.ac.th sshd\[11933\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.134.218.148
2019-08-13T07:02:49.416669enmeeting.mahidol.ac.th sshd\[11933\]: Failed password for invalid user alessia from 121.134.218.148 port 15126 ssh2
...
2019-08-13 08:08:28
37.79.53.70 attackspambots
Aug 12 17:52:08 penfold postfix/smtpd[18203]: connect from unknown[37.79.53.70]
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https://www.blocklist.de/en/view.html?ip=37.79.53.70
2019-08-13 08:05:35

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