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 <<>> 104.21.12.77
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 19461
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.12.77.			IN	A

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

;; Query time: 57 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 17:49:13 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 77.12.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 77.12.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
222.186.175.212 attackspambots
$f2bV_matches
2019-12-01 03:37:45
103.255.101.166 attack
$f2bV_matches
2019-12-01 03:52:15
183.83.71.222 attackbots
Unauthorized connection attempt from IP address 183.83.71.222 on Port 445(SMB)
2019-12-01 04:04:55
196.202.131.166 attackbots
Unauthorized connection attempt from IP address 196.202.131.166 on Port 445(SMB)
2019-12-01 03:51:37
122.170.162.47 attackspambots
Unauthorized connection attempt from IP address 122.170.162.47 on Port 445(SMB)
2019-12-01 03:42:10
120.150.216.161 attack
F2B jail: sshd. Time: 2019-11-30 20:44:37, Reported by: VKReport
2019-12-01 03:49:13
79.174.248.224 attackspambots
Unauthorized connection attempt from IP address 79.174.248.224 on Port 445(SMB)
2019-12-01 03:32:42
113.254.35.184 attack
Unauthorized connection attempt from IP address 113.254.35.184 on Port 445(SMB)
2019-12-01 04:04:25
116.111.165.112 attack
Unauthorized connection attempt from IP address 116.111.165.112 on Port 445(SMB)
2019-12-01 03:58:23
61.177.172.128 attack
11/30/2019-20:43:25.449223 61.177.172.128 Protocol: 6 ET CINS Active Threat Intelligence Poor Reputation IP group 62
2019-12-01 03:43:37
118.24.9.152 attackspambots
2019-11-30T13:52:05.0453181495-001 sshd\[26068\]: Invalid user daddy from 118.24.9.152 port 42626
2019-11-30T13:52:05.0486711495-001 sshd\[26068\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.9.152
2019-11-30T13:52:07.3922451495-001 sshd\[26068\]: Failed password for invalid user daddy from 118.24.9.152 port 42626 ssh2
2019-11-30T13:55:19.8306011495-001 sshd\[26236\]: Invalid user julie from 118.24.9.152 port 45838
2019-11-30T13:55:19.8351471495-001 sshd\[26236\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.24.9.152
2019-11-30T13:55:22.1437271495-001 sshd\[26236\]: Failed password for invalid user julie from 118.24.9.152 port 45838 ssh2
...
2019-12-01 03:35:39
183.171.67.31 attack
Unauthorized connection attempt from IP address 183.171.67.31 on Port 445(SMB)
2019-12-01 03:55:52
176.216.98.61 attackspam
Nov 30 15:31:21 server postfix/smtpd[8239]: NOQUEUE: reject: RCPT from unknown[176.216.98.61]: 554 5.7.1 Service unavailable; Client host [176.216.98.61] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/176.216.98.61 / https://www.spamhaus.org/sbl/query/SBLCSS; from= to= proto=ESMTP helo=<[176.216.98.61]>
2019-12-01 03:44:05
36.90.35.64 attack
Unauthorized connection attempt from IP address 36.90.35.64 on Port 445(SMB)
2019-12-01 03:57:33
92.46.239.114 attackspam
Unauthorized connection attempt from IP address 92.46.239.114 on Port 445(SMB)
2019-12-01 03:54:11

Recently Reported IPs

104.21.12.74 104.21.12.78 104.21.12.83 104.21.12.88
187.15.22.129 104.21.12.9 104.21.12.91 104.21.12.94
104.21.12.95 104.21.12.96 104.21.13.102 104.21.13.103
239.201.135.105 104.21.13.111 104.21.13.113 104.21.13.116
40.123.134.154 125.27.204.226 104.21.13.121 104.21.13.122