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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 253.57.21.0
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 5733
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;253.57.21.0.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025121401 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Dec 15 12:17:08 CST 2025
;; MSG SIZE  rcvd: 104
Host info
Host 0.21.57.253.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 0.21.57.253.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
119.45.114.87 attackbots
May 19 17:38:46 h1745522 sshd[6230]: Invalid user dx from 119.45.114.87 port 36082
May 19 17:38:46 h1745522 sshd[6230]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.114.87
May 19 17:38:46 h1745522 sshd[6230]: Invalid user dx from 119.45.114.87 port 36082
May 19 17:38:47 h1745522 sshd[6230]: Failed password for invalid user dx from 119.45.114.87 port 36082 ssh2
May 19 17:41:58 h1745522 sshd[6510]: Invalid user yaj from 119.45.114.87 port 42092
May 19 17:41:58 h1745522 sshd[6510]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.114.87
May 19 17:41:58 h1745522 sshd[6510]: Invalid user yaj from 119.45.114.87 port 42092
May 19 17:42:01 h1745522 sshd[6510]: Failed password for invalid user yaj from 119.45.114.87 port 42092 ssh2
May 19 17:47:55 h1745522 sshd[6721]: Invalid user bcy from 119.45.114.87 port 54094
...
2020-05-19 23:58:23
103.20.188.18 attackspambots
Bruteforce detected by fail2ban
2020-05-20 00:21:49
116.111.146.160 attackbotsspam
1589882033 - 05/19/2020 11:53:53 Host: 116.111.146.160/116.111.146.160 Port: 445 TCP Blocked
2020-05-20 00:20:05
59.120.65.189 attackbots
[19/May/2020:05:19:19 +0200] "GET /operator/basic.shtml?id=1337 HTTP/1.1"
2020-05-20 00:31:41
45.14.150.140 attackspam
'Fail2Ban'
2020-05-19 23:53:10
72.223.168.76 attack
A user with IP addr 72.223.168.76 has been locked out from signing in or using the password recovery form for the following reason: Exceeded the maximum number of login failures which is: 20.
2020-05-20 00:10:28
203.185.61.137 attackbotsspam
May 19 18:05:12 lnxweb62 sshd[7237]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.185.61.137
May 19 18:05:14 lnxweb62 sshd[7237]: Failed password for invalid user sjc from 203.185.61.137 port 49160 ssh2
May 19 18:08:50 lnxweb62 sshd[8684]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=203.185.61.137
2020-05-20 00:11:47
157.50.236.63 attackspam
1589882112 - 05/19/2020 11:55:12 Host: 157.50.236.63/157.50.236.63 Port: 445 TCP Blocked
2020-05-20 00:05:17
14.239.219.77 attack
1589882155 - 05/19/2020 11:55:55 Host: 14.239.219.77/14.239.219.77 Port: 445 TCP Blocked
2020-05-19 23:54:47
104.245.146.40 attackbots
Found attacking an exposed host.
2020-05-20 00:28:38
209.97.171.56 attackbots
Portscan or hack attempt detected by psad/fwsnort
2020-05-20 00:21:35
64.227.46.96 attack
[19/May/2020:05:37:03 +0200] "GET /admin/connection/ HTTP/1.1"
2020-05-20 00:15:48
202.137.10.186 attack
2020-05-19T15:55:04.557798shield sshd\[21418\]: Invalid user sxe from 202.137.10.186 port 44064
2020-05-19T15:55:04.570624shield sshd\[21418\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.137.10.186
2020-05-19T15:55:06.635212shield sshd\[21418\]: Failed password for invalid user sxe from 202.137.10.186 port 44064 ssh2
2020-05-19T15:59:39.328816shield sshd\[22074\]: Invalid user jtl from 202.137.10.186 port 48792
2020-05-19T15:59:39.338057shield sshd\[22074\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.137.10.186
2020-05-20 00:14:23
181.198.240.199 attack
[19/May/2020:09:09:00 +0200] "POST /cgi-bin/mainfunction.cgi HTTP/1.1"
2020-05-20 00:07:35
123.14.5.115 attack
2020-05-19T11:55:27.3160101240 sshd\[19028\]: Invalid user mji from 123.14.5.115 port 51158
2020-05-19T11:55:27.3201511240 sshd\[19028\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=123.14.5.115
2020-05-19T11:55:29.2371891240 sshd\[19028\]: Failed password for invalid user mji from 123.14.5.115 port 51158 ssh2
...
2020-05-20 00:00:06

Recently Reported IPs

2.161.211.162 240.35.129.236 174.201.53.96 108.83.92.9
29.168.237.241 99.102.153.66 204.45.121.152 108.175.48.157
195.173.1.167 252.206.155.83 83.220.89.64 34.163.92.102
39.55.52.171 208.255.114.148 17.126.94.30 224.205.217.115
216.42.3.52 162.115.85.109 125.19.233.74 131.61.29.22