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 <<>> 104.21.5.78
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 35891
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.5.78.			IN	A

;; AUTHORITY SECTION:
.			200	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022021700 1800 900 604800 86400

;; Query time: 56 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 23:27:56 CST 2022
;; MSG SIZE  rcvd: 104
Host info
Host 78.5.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 78.5.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
14.161.49.80 attackbotsspam
Unauthorized connection attempt from IP address 14.161.49.80 on Port 445(SMB)
2019-06-29 21:53:21
157.46.48.229 attackspam
Unauthorized connection attempt from IP address 157.46.48.229 on Port 445(SMB)
2019-06-29 21:50:07
169.0.205.36 attackspambots
Unauthorized connection attempt from IP address 169.0.205.36 on Port 445(SMB)
2019-06-29 21:40:31
5.79.78.85 attackspam
Jun 29 08:32:33   TCP Attack: SRC=5.79.78.85 DST=[Masked] LEN=40 TOS=0x00 PREC=0x00 TTL=58  DF PROTO=TCP SPT=45487 DPT=993 WINDOW=29200 RES=0x00 SYN URGP=0
2019-06-29 21:35:16
49.67.65.116 attackspambots
2019-06-29T09:53:44.115756 X postfix/smtpd[16987]: warning: unknown[49.67.65.116]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-29T10:22:11.000381 X postfix/smtpd[19871]: warning: unknown[49.67.65.116]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-29T10:32:17.424255 X postfix/smtpd[22857]: warning: unknown[49.67.65.116]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-06-29 21:58:02
188.19.76.111 attack
Unauthorized connection attempt from IP address 188.19.76.111 on Port 445(SMB)
2019-06-29 21:29:16
158.140.181.41 attackbotsspam
Unauthorized connection attempt from IP address 158.140.181.41 on Port 445(SMB)
2019-06-29 21:30:07
111.93.202.254 attackspam
Unauthorized connection attempt from IP address 111.93.202.254 on Port 445(SMB)
2019-06-29 21:56:28
196.202.74.18 attackbotsspam
Unauthorized connection attempt from IP address 196.202.74.18 on Port 445(SMB)
2019-06-29 22:01:56
213.171.42.186 attackspambots
Unauthorized connection attempt from IP address 213.171.42.186 on Port 445(SMB)
2019-06-29 21:46:37
49.151.255.201 attackspambots
TCP port 25 (SMTP) attempt blocked by hMailServer IP-check. Country not allowed to use this service.
2019-06-29 21:21:11
185.176.27.42 attackspambots
29.06.2019 12:43:59 Connection to port 3087 blocked by firewall
2019-06-29 21:19:07
142.0.70.36 attack
Unauthorized connection attempt from IP address 142.0.70.36 on Port 445(SMB)
2019-06-29 22:04:16
107.213.136.221 attackbotsspam
Invalid user webusr from 107.213.136.221 port 34542
2019-06-29 21:26:59
115.73.179.200 attackbotsspam
Unauthorized connection attempt from IP address 115.73.179.200 on Port 445(SMB)
2019-06-29 21:22:05

Recently Reported IPs

104.21.5.74 153.210.124.144 104.21.5.8 104.21.5.80
104.21.5.81 104.21.5.82 104.21.5.83 104.21.5.87
104.21.5.89 109.116.252.105 104.21.5.91 104.21.5.95
104.21.5.96 161.21.121.94 104.21.5.98 104.21.5.99
104.21.50.103 104.21.50.111 104.21.50.112 104.21.50.113