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 <<>> 21.203.53.116
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 40074
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			304	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019092901 1800 900 604800 86400

;; Query time: 558 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Sep 30 02:54:43 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 116.53.203.21.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 116.53.203.21.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
79.30.2.89 attackbots
Automatic report - Port Scan Attack
2019-09-26 14:57:30
109.102.46.149 attackspambots
Chat Spam
2019-09-26 14:43:10
150.246.133.78 attack
Unauthorised access (Sep 26) SRC=150.246.133.78 LEN=40 TTL=53 ID=36271 TCP DPT=8080 WINDOW=54954 SYN 
Unauthorised access (Sep 26) SRC=150.246.133.78 LEN=40 TTL=53 ID=23987 TCP DPT=8080 WINDOW=54954 SYN 
Unauthorised access (Sep 25) SRC=150.246.133.78 LEN=40 TTL=53 ID=49615 TCP DPT=8080 WINDOW=54954 SYN
2019-09-26 14:33:10
218.28.238.165 attackbots
Sep 26 07:07:06 taivassalofi sshd[162872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.28.238.165
Sep 26 07:07:07 taivassalofi sshd[162872]: Failed password for invalid user modest from 218.28.238.165 port 33010 ssh2
...
2019-09-26 14:51:46
118.25.233.35 attack
Sep 26 07:48:52 eventyay sshd[2159]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.233.35
Sep 26 07:48:54 eventyay sshd[2159]: Failed password for invalid user aklilu from 118.25.233.35 port 23660 ssh2
Sep 26 07:52:56 eventyay sshd[2190]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.25.233.35
...
2019-09-26 14:40:52
222.188.21.37 attackspambots
Sep 26 05:53:02 vpn01 sshd[31223]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.188.21.37
Sep 26 05:53:04 vpn01 sshd[31223]: Failed password for invalid user admin from 222.188.21.37 port 40382 ssh2
2019-09-26 14:31:21
107.175.246.138 attackspambots
\[2019-09-26 02:40:29\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '107.175.246.138:56244' - Wrong password
\[2019-09-26 02:40:29\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T02:40:29.443-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="3100099",SessionID="0x7f1e1c011788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/107.175.246.138/56244",Challenge="07120550",ReceivedChallenge="07120550",ReceivedHash="dcff8247a8b91e1afbdeb9328d5267aa"
\[2019-09-26 02:44:31\] NOTICE\[1948\] chan_sip.c: Registration from '\' failed for '107.175.246.138:53854' - Wrong password
\[2019-09-26 02:44:31\] SECURITY\[2006\] res_security_log.c: SecurityEvent="InvalidPassword",EventTV="2019-09-26T02:44:31.184-0400",Severity="Error",Service="SIP",EventVersion="2",AccountID="45000072",SessionID="0x7f1e1c011788",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress
2019-09-26 14:56:01
37.214.219.166 attackbots
Chat Spam
2019-09-26 14:30:53
175.139.242.49 attackbots
Sep 26 02:31:08 plusreed sshd[20177]: Invalid user gpu from 175.139.242.49
...
2019-09-26 14:36:37
89.248.172.85 attack
firewall-block, port(s): 2429/tcp, 2431/tcp, 2434/tcp, 2456/tcp, 2459/tcp
2019-09-26 14:56:54
222.160.200.125 attack
Unauthorised access (Sep 26) SRC=222.160.200.125 LEN=40 TTL=49 ID=63540 TCP DPT=8080 WINDOW=40328 SYN 
Unauthorised access (Sep 26) SRC=222.160.200.125 LEN=40 TTL=49 ID=25369 TCP DPT=8080 WINDOW=50129 SYN
2019-09-26 14:55:35
192.42.116.27 attackspambots
Sep 26 06:40:05 thevastnessof sshd[29578]: Failed password for root from 192.42.116.27 port 48674 ssh2
...
2019-09-26 15:04:18
183.131.82.99 attack
v+ssh-bruteforce
2019-09-26 14:37:51
103.194.105.146 attackspam
103.194.105.146 - - \[26/Sep/2019:05:53:25 +0200\] "GET /\?_=15626e14aa6bc HTTP/1.1" 403 483 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\; rv:28.0\) Gecko/20100101 Firefox/28.0"
103.194.105.146 - - \[26/Sep/2019:05:53:25 +0200\] "GET /robots.txt\?_=15626e14aa6bc HTTP/1.1" 403 492 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\; rv:28.0\) Gecko/20100101 Firefox/28.0"
103.194.105.146 - - \[26/Sep/2019:05:53:26 +0200\] "POST /App.php\?_=15626e14aa6bc HTTP/1.1" 403 489 "-" "Mozilla/5.0 \(Windows NT 6.1\; Win64\; x64\; rv:28.0\) Gecko/20100101 Firefox/28.0"
...
2019-09-26 14:22:38
106.245.160.140 attack
Sep 26 08:27:47 dedicated sshd[6940]: Invalid user ljy from 106.245.160.140 port 55170
2019-09-26 14:49:43

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