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: None

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 <<>> 104.21.57.103
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26829
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.57.103.			IN	A

;; AUTHORITY SECTION:
.			347	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:39:16 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 103.57.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 103.57.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
159.138.159.216 bots
bad bot
2019-12-12 21:24:36
216.144.251.86 attackspambots
Dec 12 13:54:19 Ubuntu-1404-trusty-64-minimal sshd\[23298\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216.144.251.86  user=root
Dec 12 13:54:22 Ubuntu-1404-trusty-64-minimal sshd\[23298\]: Failed password for root from 216.144.251.86 port 51774 ssh2
Dec 12 14:02:01 Ubuntu-1404-trusty-64-minimal sshd\[4049\]: Invalid user frappe from 216.144.251.86
Dec 12 14:02:01 Ubuntu-1404-trusty-64-minimal sshd\[4049\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=216.144.251.86
Dec 12 14:02:03 Ubuntu-1404-trusty-64-minimal sshd\[4049\]: Failed password for invalid user frappe from 216.144.251.86 port 35188 ssh2
2019-12-12 21:12:56
46.109.74.206 attackbots
Port 1433 Scan
2019-12-12 21:22:25
80.211.152.136 attackspam
Dec 12 14:33:15 ns41 sshd[12026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.152.136
Dec 12 14:33:15 ns41 sshd[12026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=80.211.152.136
2019-12-12 21:46:35
91.165.50.161 attackspambots
Port 1433 Scan
2019-12-12 21:12:42
82.81.196.247 attackbotsspam
Automatic report - Port Scan Attack
2019-12-12 21:44:21
23.129.64.206 attackbots
Automatic report - Banned IP Access
2019-12-12 21:14:30
49.204.80.198 attackbotsspam
2019-12-12T08:01:42.446870scmdmz1 sshd\[29197\]: Invalid user wwwrun from 49.204.80.198 port 41456
2019-12-12T08:01:42.449608scmdmz1 sshd\[29197\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.204.80.198
2019-12-12T08:01:44.310392scmdmz1 sshd\[29197\]: Failed password for invalid user wwwrun from 49.204.80.198 port 41456 ssh2
...
2019-12-12 21:28:25
213.185.163.124 attackspam
Dec 12 13:12:30 vpn01 sshd[24177]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=213.185.163.124
Dec 12 13:12:32 vpn01 sshd[24177]: Failed password for invalid user noah from 213.185.163.124 port 56788 ssh2
...
2019-12-12 21:18:12
83.48.101.184 attackbotsspam
Dec 11 22:35:36 eddieflores sshd\[3512\]: Invalid user ftpuser from 83.48.101.184
Dec 11 22:35:36 eddieflores sshd\[3512\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=184.red-83-48-101.staticip.rima-tde.net
Dec 11 22:35:38 eddieflores sshd\[3512\]: Failed password for invalid user ftpuser from 83.48.101.184 port 38353 ssh2
Dec 11 22:41:31 eddieflores sshd\[4132\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=184.red-83-48-101.staticip.rima-tde.net  user=root
Dec 11 22:41:33 eddieflores sshd\[4132\]: Failed password for root from 83.48.101.184 port 37908 ssh2
2019-12-12 21:42:33
49.88.112.59 attack
Dec 12 13:15:48 localhost sshd\[99591\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.59  user=root
Dec 12 13:15:50 localhost sshd\[99591\]: Failed password for root from 49.88.112.59 port 9101 ssh2
Dec 12 13:15:53 localhost sshd\[99591\]: Failed password for root from 49.88.112.59 port 9101 ssh2
Dec 12 13:15:56 localhost sshd\[99591\]: Failed password for root from 49.88.112.59 port 9101 ssh2
Dec 12 13:15:59 localhost sshd\[99591\]: Failed password for root from 49.88.112.59 port 9101 ssh2
...
2019-12-12 21:16:09
92.119.160.143 attack
ET CINS Active Threat Intelligence Poor Reputation IP group 90 - port: 35377 proto: TCP cat: Misc Attack
2019-12-12 21:08:05
37.187.46.74 attackspambots
Invalid user aizlyn from 37.187.46.74 port 50890
2019-12-12 21:48:38
129.211.1.224 attackbotsspam
detected by Fail2Ban
2019-12-12 21:21:00
180.182.245.83 attack
Honeypot attack, port: 23, PTR: PTR record not found
2019-12-12 21:41:16

Recently Reported IPs

124.42.118.137 124.40.252.46 124.41.72.23 124.40.245.178
124.42.9.7 124.43.130.175 124.41.87.102 104.21.57.113
104.21.57.117 104.21.57.128 104.21.57.135 104.21.57.158
104.21.57.187 125.164.232.210 125.164.185.225 125.164.18.160
125.165.203.37 125.164.55.227 125.164.93.204 125.163.38.187