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 <<>> 104.21.78.252
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1848
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.78.252.			IN	A

;; AUTHORITY SECTION:
.			201	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021702 1800 900 604800 86400

;; Query time: 116 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:19:53 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 252.78.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 252.78.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
212.124.174.7 attack
NAME : NGI-NET CIDR : 212.124.168.0/21 SYN Flood DDoS Attack Italy - block certain countries :) IP: 212.124.174.7  Denial-of-Service Attack (DoS) Detected and Blocked by ADMIN  - data recovery https://help-dysk.pl
2019-07-20 03:49:34
189.51.118.22 attack
Honeypot attack, port: 445, PTR: PTR record not found
2019-07-20 04:19:13
45.230.81.211 attack
Jul 19 18:37:47 tamoto postfix/smtpd[6835]: connect from unknown[45.230.81.211]
Jul 19 18:37:53 tamoto postfix/smtpd[6835]: warning: unknown[45.230.81.211]: SASL CRAM-MD5 authentication failed: authentication failure
Jul 19 18:37:54 tamoto postfix/smtpd[6835]: warning: unknown[45.230.81.211]: SASL PLAIN authentication failed: authentication failure
Jul 19 18:37:55 tamoto postfix/smtpd[6835]: warning: unknown[45.230.81.211]: SASL LOGIN authentication failed: authentication failure


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=45.230.81.211
2019-07-20 03:54:12
190.40.64.194 attackspambots
Jul 19 13:24:31 plusreed sshd[26215]: Invalid user wi from 190.40.64.194
...
2019-07-20 04:00:55
27.221.81.138 attackbots
Jul 19 21:40:05 legacy sshd[20570]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.221.81.138
Jul 19 21:40:07 legacy sshd[20570]: Failed password for invalid user support from 27.221.81.138 port 56316 ssh2
Jul 19 21:45:51 legacy sshd[20789]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=27.221.81.138
...
2019-07-20 03:49:19
145.239.83.89 attackbots
Jul 19 21:23:38 SilenceServices sshd[29657]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.83.89
Jul 19 21:23:41 SilenceServices sshd[29657]: Failed password for invalid user tiina from 145.239.83.89 port 38508 ssh2
Jul 19 21:28:15 SilenceServices sshd[32038]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.239.83.89
2019-07-20 03:46:43
80.13.15.187 attackspambots
23/tcp
[2019-07-19]1pkt
2019-07-20 04:10:25
81.83.217.234 attack
Honeypot attack, port: 5555, PTR: d5153D9EA.access.telenet.be.
2019-07-20 04:04:36
80.183.69.183 attackspam
23/tcp
[2019-07-19]1pkt
2019-07-20 04:08:04
185.208.208.198 attack
Scanning (more than 2 packets) random ports - tries to find possible vulnerable services
2019-07-20 03:46:00
105.27.231.1 attackbots
445/tcp
[2019-07-19]1pkt
2019-07-20 04:00:32
150.66.1.167 attackbots
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.66.1.167  user=root
Failed password for root from 150.66.1.167 port 58050 ssh2
Invalid user yao from 150.66.1.167 port 56326
pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.66.1.167
Failed password for invalid user yao from 150.66.1.167 port 56326 ssh2
2019-07-20 04:12:04
46.166.151.47 attackspam
\[2019-07-19 15:46:23\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-19T15:46:23.810-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0001146462607533",SessionID="0x7f06f8009f28",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/60580",ACLName="no_extension_match"
\[2019-07-19 15:46:44\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-19T15:46:44.133-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="004146812400638",SessionID="0x7f06f88cc728",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/55245",ACLName="no_extension_match"
\[2019-07-19 15:46:51\] SECURITY\[20812\] res_security_log.c: SecurityEvent="FailedACL",EventTV="2019-07-19T15:46:51.492-0400",Severity="Error",Service="SIP",EventVersion="1",AccountID="0001146313113291",SessionID="0x7f06f823f758",LocalAddress="IPV4/UDP/192.168.244.6/5060",RemoteAddress="IPV4/UDP/46.166.151.47/61086",ACLName="n
2019-07-20 03:59:02
181.111.181.50 attackspambots
Jul 19 17:33:50 unicornsoft sshd\[14535\]: Invalid user bill from 181.111.181.50
Jul 19 17:33:50 unicornsoft sshd\[14535\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=181.111.181.50
Jul 19 17:33:53 unicornsoft sshd\[14535\]: Failed password for invalid user bill from 181.111.181.50 port 53798 ssh2
2019-07-20 03:48:39
193.169.39.254 attackbots
SSH Brute-Forcing (ownc)
2019-07-20 04:17:24

Recently Reported IPs

104.21.78.235 104.21.78.46 94.109.72.98 104.21.78.57
104.21.78.85 104.21.78.79 104.21.78.58 104.21.78.98
104.21.78.92 104.21.78.71 104.21.78.212 104.21.79.103
104.21.79.102 104.21.79.107 104.21.79.124 104.21.79.125
104.21.79.129 104.21.79.156 104.21.79.138 13.225.71.82