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 <<>> 104.21.81.157
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39894
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.81.157.			IN	A

;; AUTHORITY SECTION:
.			600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021701 1800 900 604800 86400

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 03:02:14 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 157.81.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 157.81.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
58.240.52.75 attackspam
Oct 31 16:23:00 nextcloud sshd\[30615\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.240.52.75  user=root
Oct 31 16:23:02 nextcloud sshd\[30615\]: Failed password for root from 58.240.52.75 port 40502 ssh2
Oct 31 16:37:55 nextcloud sshd\[20696\]: Invalid user alfred from 58.240.52.75
...
2019-11-01 00:09:16
103.48.182.103 attack
Unauthorized connection attempt from IP address 103.48.182.103 on Port 445(SMB)
2019-10-31 23:51:55
184.98.222.87 attackbots
Unauthorized connection attempt from IP address 184.98.222.87 on Port 445(SMB)
2019-10-31 23:50:21
103.115.207.52 attack
IP Ban Report :  
 https://help-dysk.pl/wordpress-firewall-plugins/ip/103.115.207.52/ 
 
 IN - 1H : (40)  
 Protection Against DDoS WordPress plugin :  
 "odzyskiwanie danych help-dysk" 
 IP Address Ranges by Country : IN 
 NAME ASN : ASN136946 
 
 IP : 103.115.207.52 
 
 CIDR : 103.115.207.0/24 
 
 PREFIX COUNT : 6 
 
 UNIQUE IP COUNT : 1536 
 
 
 ATTACKS DETECTED ASN136946 :  
  1H - 1 
  3H - 1 
  6H - 1 
 12H - 1 
 24H - 1 
 
 DateTime : 2019-10-31 13:03:51 
 
 INFO : Port SSH 22 Scan Detected and Blocked by ADMIN  - data recovery
2019-10-31 23:39:41
94.191.50.165 attack
SSH Bruteforce attempt
2019-11-01 00:01:41
199.249.230.68 attackspam
Automatic report - XMLRPC Attack
2019-11-01 00:19:17
5.39.82.197 attackspam
Oct 31 16:22:06 vps691689 sshd[3165]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=5.39.82.197
Oct 31 16:22:08 vps691689 sshd[3165]: Failed password for invalid user Crystal2017 from 5.39.82.197 port 54190 ssh2
...
2019-11-01 00:06:48
116.72.20.255 attackspambots
Unauthorized connection attempt from IP address 116.72.20.255 on Port 445(SMB)
2019-11-01 00:19:01
185.175.93.105 attackspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-01 00:04:09
118.173.136.177 attackbotsspam
Unauthorized connection attempt from IP address 118.173.136.177 on Port 445(SMB)
2019-11-01 00:08:08
134.209.26.194 attack
Automatic report - XMLRPC Attack
2019-10-31 23:36:02
117.50.50.44 attack
Oct 31 16:07:46 ns381471 sshd[6226]: Failed password for root from 117.50.50.44 port 40302 ssh2
2019-10-31 23:37:28
211.143.246.38 attackbots
Oct 31 14:23:27 vps691689 sshd[1440]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.143.246.38
Oct 31 14:23:30 vps691689 sshd[1440]: Failed password for invalid user userftp from 211.143.246.38 port 44728 ssh2
Oct 31 14:29:07 vps691689 sshd[1539]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=211.143.246.38
...
2019-10-31 23:40:54
49.235.84.51 attackspam
Oct 31 12:03:40 venus sshd\[9561\]: Invalid user tss from 49.235.84.51 port 56278
Oct 31 12:03:40 venus sshd\[9561\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.235.84.51
Oct 31 12:03:42 venus sshd\[9561\]: Failed password for invalid user tss from 49.235.84.51 port 56278 ssh2
...
2019-10-31 23:45:47
117.192.236.182 attackspambots
Unauthorized connection attempt from IP address 117.192.236.182 on Port 445(SMB)
2019-10-31 23:46:50

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