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: IANA Special-Purpose Address

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 <<>> 253.138.163.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 38778
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;253.138.163.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025022500 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 26 01:49:09 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 21.163.138.253.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.163.138.253.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
171.232.249.153 spam
cẩn thận
2020-07-31 00:37:33
186.24.8.94 attackbots
Fail2Ban Ban Triggered
2020-07-31 00:07:05
121.187.224.138 attack
hacking my emails
2020-07-31 00:32:12
95.10.178.211 attack
eintrachtkultkellerfulda.de 95.10.178.211 [30/Jul/2020:14:06:52 +0200] "POST /xmlrpc.php HTTP/1.1" 200 408 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36"
eintrachtkultkellerfulda.de 95.10.178.211 [30/Jul/2020:14:06:53 +0200] "POST /xmlrpc.php HTTP/1.1" 200 408 "-" "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/59.0.3071.109 Safari/537.36"
2020-07-30 23:54:01
159.203.176.82 attackspam
CF RAY ID: 5badbd4e9f0d91b0 IP Class: noRecord URI: /xmlrpc.php
2020-07-31 00:40:11
162.14.12.143 attackbotsspam
ICMP MH Probe, Scan /Distributed -
2020-07-31 00:38:07
115.79.165.154 attackspam
Unauthorized connection attempt detected from IP address 115.79.165.154 to port 81
2020-07-30 23:56:33
199.19.224.3 attack
Invalid user infowarelab from 199.19.224.3 port 43636
2020-07-31 00:30:27
52.49.17.43 attack
"XSS Attack Detected via libinjection - Matched Data: XSS data found within ARGS_NAMES:
2020-07-31 00:27:12
94.177.201.50 attackspambots
$f2bV_matches
2020-07-31 00:12:52
103.56.17.89 attack
Jul 30 08:06:00 Host-KEWR-E sshd[19318]: Disconnected from invalid user lao 103.56.17.89 port 45492 [preauth]
...
2020-07-31 00:44:00
119.27.160.176 attackbots
Jul 30 16:10:53 vps647732 sshd[8998]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.27.160.176
Jul 30 16:10:55 vps647732 sshd[8998]: Failed password for invalid user jinshui from 119.27.160.176 port 51488 ssh2
...
2020-07-30 23:57:31
74.82.47.25 attack
srv02 Mass scanning activity detected Target: 17  ..
2020-07-31 00:38:57
120.70.103.239 attack
Jul 30 13:57:00 vps-51d81928 sshd[314204]: Invalid user lirui from 120.70.103.239 port 44686
Jul 30 13:57:00 vps-51d81928 sshd[314204]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.103.239 
Jul 30 13:57:00 vps-51d81928 sshd[314204]: Invalid user lirui from 120.70.103.239 port 44686
Jul 30 13:57:02 vps-51d81928 sshd[314204]: Failed password for invalid user lirui from 120.70.103.239 port 44686 ssh2
Jul 30 14:00:14 vps-51d81928 sshd[314282]: Invalid user cymtv from 120.70.103.239 port 58177
...
2020-07-31 00:26:33
35.197.72.230 attack
Jul 30 15:52:24 vlre-nyc-1 sshd\[18133\]: Invalid user osbash from 35.197.72.230
Jul 30 15:52:24 vlre-nyc-1 sshd\[18133\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.197.72.230
Jul 30 15:52:26 vlre-nyc-1 sshd\[18133\]: Failed password for invalid user osbash from 35.197.72.230 port 33292 ssh2
Jul 30 15:52:27 vlre-nyc-1 sshd\[18137\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=35.197.72.230  user=root
Jul 30 15:52:29 vlre-nyc-1 sshd\[18137\]: Failed password for root from 35.197.72.230 port 36130 ssh2
...
2020-07-31 00:13:16

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