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 <<>> 104.21.81.27
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24059
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.27.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:20:29 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 27.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 27.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
181.188.146.20 attackspambots
1433/tcp 445/tcp...
[2020-06-06/07-19]17pkt,2pt.(tcp)
2020-07-20 06:11:35
67.198.180.98 attackspambots
1433/tcp 445/tcp...
[2020-05-25/07-18]10pkt,2pt.(tcp)
2020-07-20 05:37:54
196.36.152.50 attack
1433/tcp 445/tcp...
[2020-05-28/07-19]12pkt,2pt.(tcp)
2020-07-20 05:52:53
41.111.135.196 attack
Jul 19 20:50:40 124388 sshd[17774]: Invalid user joerg from 41.111.135.196 port 33468
Jul 19 20:50:40 124388 sshd[17774]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.111.135.196
Jul 19 20:50:40 124388 sshd[17774]: Invalid user joerg from 41.111.135.196 port 33468
Jul 19 20:50:42 124388 sshd[17774]: Failed password for invalid user joerg from 41.111.135.196 port 33468 ssh2
Jul 19 20:54:50 124388 sshd[17951]: Invalid user steam from 41.111.135.196 port 48386
2020-07-20 06:06:57
61.131.207.66 attack
445/tcp 1433/tcp...
[2020-05-25/07-19]11pkt,2pt.(tcp)
2020-07-20 05:43:20
190.52.191.49 attackbotsspam
Jul 19 20:36:34 haigwepa sshd[8730]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=190.52.191.49 
Jul 19 20:36:35 haigwepa sshd[8730]: Failed password for invalid user n from 190.52.191.49 port 50876 ssh2
...
2020-07-20 05:46:17
178.62.108.111 attack
firewall-block, port(s): 35/tcp
2020-07-20 05:39:56
113.105.92.174 attackspam
 TCP (SYN) 113.105.92.174:43000 -> port 1433, len 44
2020-07-20 05:56:53
185.42.192.138 attack
23/tcp 37215/tcp...
[2020-05-19/07-18]18pkt,2pt.(tcp)
2020-07-20 06:04:49
189.199.123.98 attackspambots
1433/tcp 445/tcp...
[2020-06-03/07-18]9pkt,2pt.(tcp)
2020-07-20 05:40:53
88.204.242.54 attackspam
IP 88.204.242.54 attacked honeypot on port: 1433 at 7/19/2020 9:01:57 AM
2020-07-20 05:58:50
196.218.19.221 attackbotsspam
1433/tcp 445/tcp...
[2020-05-21/07-18]13pkt,2pt.(tcp)
2020-07-20 05:48:02
139.99.219.208 attackbotsspam
2020-07-19T23:05:21.708075vps751288.ovh.net sshd\[25714\]: Invalid user isa from 139.99.219.208 port 37448
2020-07-19T23:05:21.717329vps751288.ovh.net sshd\[25714\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.219.208
2020-07-19T23:05:23.364804vps751288.ovh.net sshd\[25714\]: Failed password for invalid user isa from 139.99.219.208 port 37448 ssh2
2020-07-19T23:09:18.397126vps751288.ovh.net sshd\[25760\]: Invalid user heike from 139.99.219.208 port 36993
2020-07-19T23:09:18.404237vps751288.ovh.net sshd\[25760\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.99.219.208
2020-07-20 05:59:40
182.254.136.77 attackspam
1433/tcp 445/tcp...
[2020-06-07/07-18]9pkt,2pt.(tcp)
2020-07-20 05:47:31
212.70.149.35 attackbotsspam
2020-07-20 00:44:59 auth_plain authenticator failed for (User) [212.70.149.35]: 535 Incorrect authentication data (set_id=pinky@lavrinenko.info)
2020-07-20 00:45:15 auth_plain authenticator failed for (User) [212.70.149.35]: 535 Incorrect authentication data (set_id=v6@lavrinenko.info)
...
2020-07-20 05:52:32

Recently Reported IPs

104.21.81.237 104.21.81.231 104.21.81.26 104.21.81.3
104.21.81.34 104.21.81.31 104.21.81.252 104.21.81.36
104.21.81.42 104.21.81.51 104.21.81.71 104.21.81.63
104.21.81.57 104.21.81.8 104.21.81.95 104.21.82.104
104.21.82.114 104.21.82.111 104.21.82.13 104.21.82.143