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 <<>> 104.21.81.245
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39661
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.245.			IN	A

;; AUTHORITY SECTION:
.			197	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:47 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 245.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 245.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
37.187.113.197 attackbots
37.187.113.197 - - [10/Aug/2020:10:05:49 +0100] "POST /wp-login.php HTTP/1.1" 200 1801 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
37.187.113.197 - - [10/Aug/2020:10:05:50 +0100] "POST /wp-login.php HTTP/1.1" 200 1779 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
37.187.113.197 - - [10/Aug/2020:10:05:50 +0100] "POST /xmlrpc.php HTTP/1.1" 403 219 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-08-10 19:01:25
119.29.183.138 attackspam
Aug 10 09:15:40 IngegnereFirenze sshd[14444]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.29.183.138  user=root
...
2020-08-10 18:50:43
110.78.170.72 attackspambots
20/8/10@00:39:28: FAIL: Alarm-Network address from=110.78.170.72
20/8/10@00:39:28: FAIL: Alarm-Network address from=110.78.170.72
...
2020-08-10 19:14:34
188.159.179.87 attackbotsspam
(pop3d) Failed POP3 login from 188.159.179.87 (IR/Iran/adsl-188-159-179-87.sabanet.ir): 1 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_TRIGGER; Logs: Aug 10 08:18:47 ir1 dovecot[3110802]: pop3-login: Aborted login (auth failed, 1 attempts in 2 secs): user=, method=PLAIN, rip=188.159.179.87, lip=5.63.12.44, session=
2020-08-10 18:46:45
61.177.172.102 attackspam
2020-08-10T13:34:29.959659lavrinenko.info sshd[5237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.102  user=root
2020-08-10T13:34:31.920942lavrinenko.info sshd[5237]: Failed password for root from 61.177.172.102 port 63640 ssh2
2020-08-10T13:34:29.959659lavrinenko.info sshd[5237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.177.172.102  user=root
2020-08-10T13:34:31.920942lavrinenko.info sshd[5237]: Failed password for root from 61.177.172.102 port 63640 ssh2
2020-08-10T13:34:33.906991lavrinenko.info sshd[5237]: Failed password for root from 61.177.172.102 port 63640 ssh2
...
2020-08-10 18:56:27
58.27.95.2 attackspambots
Banned for a week because repeated abuses, for example SSH, but not only
2020-08-10 19:04:00
65.97.252.131 attackbotsspam
Aug 10 06:41:58 ws24vmsma01 sshd[50281]: Failed password for root from 65.97.252.131 port 60700 ssh2
...
2020-08-10 19:12:16
49.49.198.226 attackbots
 TCP (SYN) 49.49.198.226:30546 -> port 23, len 44
2020-08-10 18:40:54
83.97.20.31 attack
 TCP (SYN) 83.97.20.31:54779 -> port 3128, len 44
2020-08-10 19:08:34
194.170.156.9 attack
Banned for a week because repeated abuses, for example SSH, but not only
2020-08-10 18:50:30
122.116.22.182 attackspam
Port probing on unauthorized port 23
2020-08-10 19:10:12
181.74.24.213 attackspam
2020-08-09 22:40:24.717072-0500  localhost smtpd[38962]: NOQUEUE: reject: RCPT from unknown[181.74.24.213]: 554 5.7.1 Service unavailable; Client host [181.74.24.213] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/181.74.24.213 / https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[181.74.24.213]>
2020-08-10 19:12:54
118.70.175.209 attackspam
2020-08-10T09:41:20.106744centos sshd[30181]: Failed password for root from 118.70.175.209 port 56380 ssh2
2020-08-10T09:45:28.784207centos sshd[30877]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.70.175.209  user=root
2020-08-10T09:45:30.896026centos sshd[30877]: Failed password for root from 118.70.175.209 port 53798 ssh2
...
2020-08-10 18:45:07
124.158.179.35 attackspam
Brute forcing RDP port 3389
2020-08-10 19:11:52
111.161.41.156 attackspam
2020-08-10T09:16:14.753363abusebot-3.cloudsearch.cf sshd[8434]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.161.41.156  user=root
2020-08-10T09:16:16.173124abusebot-3.cloudsearch.cf sshd[8434]: Failed password for root from 111.161.41.156 port 58627 ssh2
2020-08-10T09:20:23.723185abusebot-3.cloudsearch.cf sshd[8528]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.161.41.156  user=root
2020-08-10T09:20:26.327173abusebot-3.cloudsearch.cf sshd[8528]: Failed password for root from 111.161.41.156 port 52221 ssh2
2020-08-10T09:22:57.762044abusebot-3.cloudsearch.cf sshd[8603]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=111.161.41.156  user=root
2020-08-10T09:22:59.507813abusebot-3.cloudsearch.cf sshd[8603]: Failed password for root from 111.161.41.156 port 38544 ssh2
2020-08-10T09:25:36.120278abusebot-3.cloudsearch.cf sshd[8623]: pam_unix(sshd:auth): authen
...
2020-08-10 18:43:34

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