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: Riyadh

Region: Riyadh Region

Country: Saudi Arabia

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 <<>> 81.21.51.242
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 13605
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;81.21.51.242.			IN	A

;; AUTHORITY SECTION:
.			379	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020082101 1800 900 604800 86400

;; Query time: 29 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Aug 22 08:44:55 CST 2020
;; MSG SIZE  rcvd: 116
Host info
Host 242.51.21.81.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 242.51.21.81.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
120.92.50.185 attackbots
IP blocked
2020-03-20 19:37:38
51.83.78.109 attackspam
Mar 20 05:23:31 silence02 sshd[17368]: Failed password for mail from 51.83.78.109 port 56736 ssh2
Mar 20 05:30:09 silence02 sshd[17668]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.83.78.109
Mar 20 05:30:10 silence02 sshd[17668]: Failed password for invalid user HTTP from 51.83.78.109 port 49286 ssh2
2020-03-20 19:48:10
112.78.1.247 attack
2020-03-20T04:46:19.048193linuxbox-skyline sshd[17071]: Invalid user oracle from 112.78.1.247 port 50224
...
2020-03-20 19:41:48
223.71.167.166 attack
Mar 20 11:51:42 debian-2gb-nbg1-2 kernel: \[6960604.624642\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=223.71.167.166 DST=195.201.40.59 LEN=44 TOS=0x04 PREC=0x00 TTL=114 ID=44362 PROTO=TCP SPT=9690 DPT=3310 WINDOW=29200 RES=0x00 SYN URGP=0
2020-03-20 19:17:13
112.21.191.54 attackspam
Mar 20 11:46:22 markkoudstaal sshd[6642]: Failed password for root from 112.21.191.54 port 58381 ssh2
Mar 20 11:51:01 markkoudstaal sshd[7251]: Failed password for root from 112.21.191.54 port 47001 ssh2
2020-03-20 19:10:01
103.44.98.18 attackbotsspam
Unauthorized connection attempt detected from IP address 103.44.98.18 to port 445
2020-03-20 19:31:09
106.13.52.83 attackbotsspam
Mar 20 08:51:01 gw1 sshd[18619]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.52.83
Mar 20 08:51:03 gw1 sshd[18619]: Failed password for invalid user gopher from 106.13.52.83 port 56580 ssh2
...
2020-03-20 19:45:57
172.98.93.201 attackspam
Brute force VPN server
2020-03-20 19:12:32
165.22.210.121 attackspambots
165.22.210.121 - - [20/Mar/2020:03:51:12 +0000] "POST /wp-login.php HTTP/1.1" 200 6627 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
165.22.210.121 - - [20/Mar/2020:03:51:13 +0000] "POST /xmlrpc.php HTTP/1.1" 200 403 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-03-20 19:38:36
118.97.147.204 attackbots
Unauthorized connection attempt detected from IP address 118.97.147.204 to port 445
2020-03-20 19:39:08
51.15.232.229 attack
Mar 20 08:46:44 ns3042688 sshd\[10943\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.232.229  user=root
Mar 20 08:46:46 ns3042688 sshd\[10943\]: Failed password for root from 51.15.232.229 port 44770 ssh2
Mar 20 08:46:46 ns3042688 sshd\[10948\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.232.229  user=root
Mar 20 08:46:48 ns3042688 sshd\[10948\]: Failed password for root from 51.15.232.229 port 47908 ssh2
Mar 20 08:46:49 ns3042688 sshd\[10956\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.15.232.229  user=root
...
2020-03-20 19:11:36
192.144.228.108 attack
Invalid user ftpuser from 192.144.228.108 port 39250
2020-03-20 19:09:31
91.103.27.235 attackspam
Invalid user yang from 91.103.27.235 port 47138
2020-03-20 19:14:07
185.176.27.190 attack
Port scan: Attack repeated for 24 hours
2020-03-20 19:48:36
61.164.213.198 attackbots
Mar 20 09:54:12 vlre-nyc-1 sshd\[22392\]: Invalid user us from 61.164.213.198
Mar 20 09:54:12 vlre-nyc-1 sshd\[22392\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.164.213.198
Mar 20 09:54:15 vlre-nyc-1 sshd\[22392\]: Failed password for invalid user us from 61.164.213.198 port 51133 ssh2
Mar 20 09:57:48 vlre-nyc-1 sshd\[22496\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.164.213.198  user=root
Mar 20 09:57:50 vlre-nyc-1 sshd\[22496\]: Failed password for root from 61.164.213.198 port 36645 ssh2
...
2020-03-20 19:19:36

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