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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.40.27
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 49884
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.40.27.			IN	A

;; AUTHORITY SECTION:
.			340	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 24 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:09:33 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 27.40.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 27.40.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
2.136.98.146 attackbotsspam
REQUESTED PAGE: /mysql/admin/index.php?lang=en
2019-07-08 08:51:31
37.49.231.108 attackspam
Portscan or hack attempt detected by psad/fwsnort
2019-07-08 09:29:28
185.176.27.114 attackspam
1440/tcp 1434/tcp 1415/tcp...
[2019-05-08/07-07]592pkt,170pt.(tcp)
2019-07-08 09:21:12
59.124.203.185 attackbotsspam
Trying to log into mailserver (postfix/smtp) using multiple names and passwords
2019-07-08 09:07:48
180.54.207.38 attackbots
firewall-block, port(s): 23/tcp
2019-07-08 09:19:57
94.103.81.57 attack
0,16-01/01 concatform PostRequest-Spammer scoring: zurich
2019-07-08 08:49:12
196.43.129.6 attack
2019-07-08T01:08:40.887261stark.klein-stark.info sshd\[24295\]: Invalid user wn from 196.43.129.6 port 34006
2019-07-08T01:08:40.893981stark.klein-stark.info sshd\[24295\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=196.43.129.6
2019-07-08T01:08:42.614368stark.klein-stark.info sshd\[24295\]: Failed password for invalid user wn from 196.43.129.6 port 34006 ssh2
...
2019-07-08 09:30:23
162.241.42.192 attackspambots
Jul  2 18:14:38 online-web-vs-1 postfix/smtpd[5515]: connect from vps.novabarueri.com.br[162.241.42.192]
Jul  2 18:14:38 online-web-vs-1 postfix/smtpd[5515]: Anonymous TLS connection established from vps.novabarueri.com.br[162.241.42.192]: TLSv1.2 whostnameh cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bhostnames)
Jul x@x
Jul x@x
Jul  2 18:14:49 online-web-vs-1 postfix/smtpd[5515]: disconnect from vps.novabarueri.com.br[162.241.42.192]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=162.241.42.192
2019-07-08 09:27:26
191.53.193.200 attackbots
failed_logins
2019-07-08 08:52:23
178.128.177.180 attack
Jul  3 13:17:02 mxgate1 postfix/postscreen[19541]: CONNECT from [178.128.177.180]:37670 to [176.31.12.44]:25
Jul  3 13:17:02 mxgate1 postfix/dnsblog[19829]: addr 178.128.177.180 listed by domain zen.spamhaus.org as 127.0.0.3
Jul  3 13:17:02 mxgate1 postfix/dnsblog[19829]: addr 178.128.177.180 listed by domain zen.spamhaus.org as 127.0.0.4
Jul  3 13:17:02 mxgate1 postfix/dnsblog[19825]: addr 178.128.177.180 listed by domain cbl.abuseat.org as 127.0.0.2
Jul  3 13:17:02 mxgate1 postfix/dnsblog[19828]: addr 178.128.177.180 listed by domain ix.dnsbl.xxxxxx.net as 127.0.0.2
Jul  3 13:17:02 mxgate1 postfix/dnsblog[19827]: addr 178.128.177.180 listed by domain b.barracudacentral.org as 127.0.0.2
Jul  3 13:17:02 mxgate1 postfix/dnsblog[19826]: addr 178.128.177.180 listed by domain bl.spamcop.net as 127.0.0.2
Jul  3 13:17:08 mxgate1 postfix/postscreen[19541]: DNSBL rank 6 for [178.128.177.180]:37670
Jul x@x
Jul  3 13:17:09 mxgate1 postfix/postscreen[19541]: HANGUP after 0.67 from........
-------------------------------
2019-07-08 09:05:00
185.176.26.104 attack
firewall-block, port(s): 7788/tcp, 7878/tcp
2019-07-08 09:22:42
52.171.223.103 attack
Sql/code injection probe
2019-07-08 09:05:55
82.149.5.205 attack
Jul  3 22:05:47 mxgate1 postfix/postscreen[8069]: CONNECT from [82.149.5.205]:48195 to [176.31.12.44]:25
Jul  3 22:05:47 mxgate1 postfix/dnsblog[8072]: addr 82.149.5.205 listed by domain cbl.abuseat.org as 127.0.0.2
Jul  3 22:05:47 mxgate1 postfix/dnsblog[8074]: addr 82.149.5.205 listed by domain zen.spamhaus.org as 127.0.0.4
Jul  3 22:05:48 mxgate1 postfix/dnsblog[8071]: addr 82.149.5.205 listed by domain bl.spamcop.net as 127.0.0.2
Jul  3 22:05:53 mxgate1 postfix/postscreen[8069]: DNSBL rank 4 for [82.149.5.205]:48195
Jul x@x
Jul  3 22:05:53 mxgate1 postfix/postscreen[8069]: HANGUP after 0.44 from [82.149.5.205]:48195 in tests after SMTP handshake
Jul  3 22:05:53 mxgate1 postfix/postscreen[8069]: DISCONNECT [82.149.5.205]:48195


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=82.149.5.205
2019-07-08 09:14:34
122.224.3.12 attackbotsspam
Attempts against Pop3/IMAP
2019-07-08 09:25:41
167.99.47.85 attackbots
" "
2019-07-08 09:24:07

Recently Reported IPs

104.21.40.248 104.21.40.30 104.21.40.37 104.21.40.49
104.21.40.25 104.21.40.38 104.21.40.50 104.21.40.54
104.21.40.61 104.21.40.59 104.21.40.68 104.21.40.67
13.225.71.122 104.21.40.71 104.21.40.75 104.21.40.79
104.21.40.78 13.225.71.123 104.21.40.82 104.21.40.84