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:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.18.21.43
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36008
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.18.21.43.			IN	A

;; AUTHORITY SECTION:
.			19	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022401 1800 900 604800 86400

;; Query time: 16 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 25 11:47:15 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 43.21.18.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 43.21.18.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
104.248.150.47 attackbotsspam
$f2bV_matches
2020-02-10 19:23:37
113.116.195.221 attackbotsspam
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-10 19:49:23
87.110.64.189 attackspam
Telnet/23 MH Probe, BF, Hack -
2020-02-10 19:42:22
128.68.197.140 attack
SSH Brute-Force reported by Fail2Ban
2020-02-10 20:03:20
151.80.45.126 attack
Feb 10 12:06:56 SilenceServices sshd[10421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.80.45.126
Feb 10 12:06:58 SilenceServices sshd[10421]: Failed password for invalid user wpe from 151.80.45.126 port 52580 ssh2
Feb 10 12:09:24 SilenceServices sshd[12368]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=151.80.45.126
2020-02-10 19:20:22
23.236.13.129 attack
20/2/9@23:50:21: FAIL: Alarm-Network address from=23.236.13.129
20/2/9@23:50:21: FAIL: Alarm-Network address from=23.236.13.129
...
2020-02-10 19:30:22
71.6.233.73 attackbotsspam
firewall-block, port(s): 1434/udp
2020-02-10 19:49:55
59.127.40.64 attack
Honeypot attack, port: 81, PTR: 59-127-40-64.HINET-IP.hinet.net.
2020-02-10 19:24:06
202.229.120.90 attackbots
ssh failed login
2020-02-10 19:23:06
182.61.21.155 attack
Feb 10 09:31:53 sshgateway sshd\[31140\]: Invalid user dev from 182.61.21.155
Feb 10 09:31:53 sshgateway sshd\[31140\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.21.155
Feb 10 09:31:55 sshgateway sshd\[31140\]: Failed password for invalid user dev from 182.61.21.155 port 58490 ssh2
2020-02-10 19:26:40
180.249.106.181 attackspambots
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-10 19:32:31
77.227.232.236 attack
Automatic report - Port Scan Attack
2020-02-10 19:44:57
37.49.226.111 attack
firewall-block, port(s): 5038/tcp, 50802/tcp
2020-02-10 19:53:18
39.36.73.74 attackbotsspam
Automatic report - SSH Brute-Force Attack
2020-02-10 19:32:11
42.118.8.203 attackspam
Feb 10 05:49:57 lock-38 sshd[25398]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=42.118.8.203 
Feb 10 05:49:59 lock-38 sshd[25398]: Failed password for invalid user system from 42.118.8.203 port 60211 ssh2
...
2020-02-10 19:54:49

Recently Reported IPs

1.46.236.50 1.43.70.58 1.46.25.42 1.46.28.222
1.46.42.167 1.44.177.83 1.47.145.10 1.46.99.253
104.18.21.62 1.46.5.164 104.18.21.63 104.18.21.73
1.61.210.86 1.61.11.172 104.18.21.95 1.61.210.100
1.60.78.54 1.61.147.118 1.60.71.211 1.60.68.255