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

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 <<>> 104.21.61.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 24949
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.61.81.			IN	A

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

;; Query time: 62 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 01:20:40 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 81.61.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.61.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
118.70.81.59 attack
Bruteforce detected by fail2ban
2020-09-23 19:59:34
27.153.72.180 attack
Invalid user user from 27.153.72.180 port 40814
2020-09-23 20:20:52
183.56.167.10 attack
Automatic report - Banned IP Access
2020-09-23 20:17:32
123.30.149.92 attack
(sshd) Failed SSH login from 123.30.149.92 (VN/Vietnam/static.vnpt.vn): 5 in the last 3600 secs
2020-09-23 20:08:22
148.0.238.162 attackbots
Invalid user admin from 148.0.238.162 port 47906
2020-09-23 20:11:39
107.6.169.252 attackspambots
Port scan denied
2020-09-23 20:08:54
41.111.133.103 attack
Invalid user ftpuser2 from 41.111.133.103 port 35863
2020-09-23 20:29:31
223.241.247.214 attackspambots
Sep 23 07:01:01 prox sshd[28486]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=223.241.247.214 
Sep 23 07:01:03 prox sshd[28486]: Failed password for invalid user tim from 223.241.247.214 port 53094 ssh2
2020-09-23 19:53:08
218.92.0.138 attack
Sep 23 14:04:44 server sshd[22895]: Failed none for root from 218.92.0.138 port 31318 ssh2
Sep 23 14:04:46 server sshd[22895]: Failed password for root from 218.92.0.138 port 31318 ssh2
Sep 23 14:04:50 server sshd[22895]: Failed password for root from 218.92.0.138 port 31318 ssh2
2020-09-23 20:09:29
200.118.57.190 attackbots
$f2bV_matches
2020-09-23 19:54:16
62.210.194.9 attackbotsspam
Sep 23 12:42:46 mail.srvfarm.net postfix/smtpd[39373]: lost connection after STARTTLS from r9.news.eu.rvca.com[62.210.194.9]
Sep 23 12:45:05 mail.srvfarm.net postfix/smtpd[39286]: lost connection after STARTTLS from r9.news.eu.rvca.com[62.210.194.9]
Sep 23 12:46:05 mail.srvfarm.net postfix/smtpd[40084]: lost connection after STARTTLS from r9.news.eu.rvca.com[62.210.194.9]
Sep 23 12:49:17 mail.srvfarm.net postfix/smtpd[44623]: lost connection after STARTTLS from r9.news.eu.rvca.com[62.210.194.9]
Sep 23 12:52:21 mail.srvfarm.net postfix/smtpd[47494]: lost connection after STARTTLS from r9.news.eu.rvca.com[62.210.194.9]
2020-09-23 20:06:27
180.76.52.161 attack
Invalid user admin1 from 180.76.52.161 port 42378
2020-09-23 20:16:44
167.172.156.12 attack
Sep 23 02:59:57 mockhub sshd[457797]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.172.156.12 
Sep 23 02:59:57 mockhub sshd[457797]: Invalid user jenkins from 167.172.156.12 port 40752
Sep 23 02:59:59 mockhub sshd[457797]: Failed password for invalid user jenkins from 167.172.156.12 port 40752 ssh2
...
2020-09-23 20:14:31
23.95.96.84 attack
(sshd) Failed SSH login from 23.95.96.84 (US/United States/23-95-96-84-host.colocrossing.com): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SSHD; Logs: Sep 23 07:25:24 server sshd[449]: Invalid user teamspeak from 23.95.96.84 port 59192
Sep 23 07:25:26 server sshd[449]: Failed password for invalid user teamspeak from 23.95.96.84 port 59192 ssh2
Sep 23 07:46:24 server sshd[6469]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.95.96.84  user=root
Sep 23 07:46:26 server sshd[6469]: Failed password for root from 23.95.96.84 port 60986 ssh2
Sep 23 07:51:21 server sshd[7871]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=23.95.96.84  user=root
2020-09-23 20:28:13
148.72.42.181 attackspam
148.72.42.181 - - [23/Sep/2020:09:14:19 +0200] "POST /wp-login.php HTTP/1.0" 200 4794 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-09-23 20:24:17

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