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 of America (the)

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 <<>> 21.142.218.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17937
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;21.142.218.81.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021500 1800 900 604800 86400

;; Query time: 34 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 15 13:45:20 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 81.218.142.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.218.142.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
192.42.116.23 attack
Mar 25 13:50:29 vpn01 sshd[2293]: Failed password for root from 192.42.116.23 port 53614 ssh2
Mar 25 13:50:40 vpn01 sshd[2293]: error: maximum authentication attempts exceeded for root from 192.42.116.23 port 53614 ssh2 [preauth]
...
2020-03-25 21:42:13
138.68.94.173 attackspam
Mar 25 09:32:28 ny01 sshd[27651]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.94.173
Mar 25 09:32:30 ny01 sshd[27651]: Failed password for invalid user nexus from 138.68.94.173 port 59166 ssh2
Mar 25 09:40:55 ny01 sshd[31174]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=138.68.94.173
2020-03-25 21:53:20
123.206.41.12 attackbots
$f2bV_matches
2020-03-25 21:49:52
40.122.119.127 attackbotsspam
RDP Bruteforce
2020-03-25 21:39:08
204.15.104.91 attackspambots
Honeypot attack, port: 5555, PTR: 204-15-104-91.dhcp.spwl.net.
2020-03-25 21:50:31
54.39.145.123 attackspam
Mar 25 14:32:10 meumeu sshd[3220]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.145.123 
Mar 25 14:32:12 meumeu sshd[3220]: Failed password for invalid user wg from 54.39.145.123 port 40252 ssh2
Mar 25 14:36:20 meumeu sshd[3952]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.39.145.123 
...
2020-03-25 21:38:20
202.107.162.95 attackbots
[portscan] Port scan
2020-03-25 21:36:58
65.31.127.80 attackspam
Invalid user testing from 65.31.127.80 port 34948
2020-03-25 21:31:49
92.113.212.154 attackspam
SSH Bruteforce attempt
2020-03-25 22:09:11
118.25.3.220 attack
Mar 25 09:50:25 firewall sshd[8628]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.3.220
Mar 25 09:50:25 firewall sshd[8628]: Invalid user cheyenne from 118.25.3.220
Mar 25 09:50:27 firewall sshd[8628]: Failed password for invalid user cheyenne from 118.25.3.220 port 46528 ssh2
...
2020-03-25 21:55:05
216.218.206.69 attack
Unauthorized connection attempt detected from IP address 216.218.206.69 to port 3389
2020-03-25 21:54:17
185.53.88.43 attack
firewall-block, port(s): 5060/udp
2020-03-25 22:01:32
5.196.7.123 attackbotsspam
$f2bV_matches
2020-03-25 22:12:40
223.19.194.220 attackbotsspam
Honeypot attack, port: 445, PTR: 220-194-19-223-on-nets.com.
2020-03-25 21:52:04
46.229.168.146 attackbotsspam
Mar 25 13:50:21 debian-2gb-nbg1-2 kernel: \[7399700.710548\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=46.229.168.146 DST=195.201.40.59 LEN=40 TOS=0x08 PREC=0x00 TTL=52 ID=0 DF PROTO=TCP SPT=39148 DPT=443 WINDOW=0 RES=0x00 RST URGP=0
2020-03-25 22:00:13

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