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 <<>> 104.21.42.143
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 32490
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.143.			IN	A

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

;; Query time: 18 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 02:29:31 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 143.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 143.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
197.44.96.71 attackspambots
Unauthorized connection attempt detected from IP address 197.44.96.71 to port 2323 [J]
2020-01-05 06:36:30
95.132.202.206 attackspambots
Unauthorized connection attempt detected from IP address 95.132.202.206 to port 23 [J]
2020-01-05 06:47:52
211.193.27.135 attack
Unauthorized connection attempt detected from IP address 211.193.27.135 to port 23
2020-01-05 06:33:28
35.206.149.86 attackspam
04.01.2020 22:32:04 - Bad Robot 
Ignore Robots.txt
2020-01-05 06:25:42
80.174.192.32 attackbotsspam
Unauthorized connection attempt detected from IP address 80.174.192.32 to port 23
2020-01-05 06:51:11
77.235.23.197 attack
Unauthorized connection attempt detected from IP address 77.235.23.197 to port 1433
2020-01-05 06:52:37
189.114.116.167 attackbots
Unauthorized connection attempt detected from IP address 189.114.116.167 to port 23 [J]
2020-01-05 06:38:42
222.186.15.166 attackbotsspam
Unauthorized connection attempt detected from IP address 222.186.15.166 to port 22 [T]
2020-01-05 06:16:38
187.170.15.48 attack
Unauthorized connection attempt detected from IP address 187.170.15.48 to port 88
2020-01-05 06:39:29
213.254.129.55 attackbots
Unauthorized connection attempt detected from IP address 213.254.129.55 to port 82
2020-01-05 06:32:54
84.233.52.251 attackbotsspam
1578173533 - 01/04/2020 22:32:13 Host: 84.233.52.251/84.233.52.251 Port: 445 TCP Blocked
2020-01-05 06:13:47
220.94.12.47 attackspambots
Unauthorized connection attempt detected from IP address 220.94.12.47 to port 5555
2020-01-05 06:31:15
141.237.163.173 attackspambots
Unauthorized connection attempt detected from IP address 141.237.163.173 to port 8080
2020-01-05 06:44:21
78.128.113.86 attack
2020-01-04 23:11:51 dovecot_plain authenticator failed for \(ip-113-86.4vendeta.com.\) \[78.128.113.86\]: 535 Incorrect authentication data \(set_id=postmaster@opso.it\)
2020-01-04 23:12:00 dovecot_plain authenticator failed for \(ip-113-86.4vendeta.com.\) \[78.128.113.86\]: 535 Incorrect authentication data \(set_id=postmaster\)
2020-01-04 23:13:07 dovecot_plain authenticator failed for \(ip-113-86.4vendeta.com.\) \[78.128.113.86\]: 535 Incorrect authentication data \(set_id=test@opso.it\)
2020-01-04 23:13:16 dovecot_plain authenticator failed for \(ip-113-86.4vendeta.com.\) \[78.128.113.86\]: 535 Incorrect authentication data \(set_id=test\)
2020-01-04 23:13:49 dovecot_plain authenticator failed for \(ip-113-86.4vendeta.com.\) \[78.128.113.86\]: 535 Incorrect authentication data \(set_id=no-reply@opso.it\)
2020-01-05 06:15:20
201.91.183.82 attack
Unauthorized connection attempt from IP address 201.91.183.82 on Port 445(SMB)
2020-01-05 06:17:34

Recently Reported IPs

104.21.42.142 104.21.42.144 104.21.42.133 122.55.0.220
104.21.42.132 104.21.42.146 104.21.42.147 104.21.42.15
104.21.42.155 104.21.69.73 104.21.42.153 104.21.42.16
104.21.42.164 104.21.42.161 104.21.42.168 104.21.42.156
104.21.42.167 104.21.42.169 104.21.42.170 104.21.42.17