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: None

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 <<>> 104.21.42.120
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 39790
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.120.			IN	A

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

;; Query time: 59 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Feb 18 10:10:01 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 120.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 120.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
195.54.160.211 attackbots
ET DROP Dshield Block Listed Source group 1 - port: 55555 proto: TCP cat: Misc Attack
2020-05-23 16:12:11
180.151.61.46 attackspam
Invalid user lfx from 180.151.61.46 port 58284
2020-05-23 16:27:34
195.54.160.115 attackspam
ET DROP Dshield Block Listed Source group 1 - port: 13389 proto: TCP cat: Misc Attack
2020-05-23 16:12:52
195.54.160.123 attackspam
Unauthorized connection attempt detected from IP address 195.54.160.123 to port 6800 [T]
2020-05-23 16:12:35
184.22.65.181 attackspambots
Invalid user r00t from 184.22.65.181 port 61972
2020-05-23 16:24:45
175.24.61.126 attackbotsspam
Invalid user yechen from 175.24.61.126 port 60304
2020-05-23 16:33:44
185.153.197.11 attackbots
May 23 09:39:51 debian-2gb-nbg1-2 kernel: \[12478404.549391\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=185.153.197.11 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=242 ID=5552 PROTO=TCP SPT=56185 DPT=3389 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-23 16:22:06
219.139.131.134 attackspambots
May 18 23:21:42 our-server-hostname sshd[4120]: Invalid user rku from 219.139.131.134
May 18 23:21:42 our-server-hostname sshd[4120]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.139.131.134 
May 18 23:21:44 our-server-hostname sshd[4120]: Failed password for invalid user rku from 219.139.131.134 port 59266 ssh2
May 18 23:30:53 our-server-hostname sshd[5727]: Invalid user gld from 219.139.131.134
May 18 23:30:53 our-server-hostname sshd[5727]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=219.139.131.134 
May 18 23:30:55 our-server-hostname sshd[5727]: Failed password for invalid user gld from 219.139.131.134 port 54192 ssh2


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=219.139.131.134
2020-05-23 15:58:58
185.153.198.240 attack
Port scan on 3 port(s): 15003 15080 15153
2020-05-23 16:21:48
183.80.83.100 attackspam
SmallBizIT.US 1 packets to tcp(23)
2020-05-23 16:25:13
218.161.119.91 attack
SmallBizIT.US 1 packets to tcp(23)
2020-05-23 15:59:48
220.135.116.228 attackbotsspam
SmallBizIT.US 1 packets to tcp(23)
2020-05-23 15:56:25
185.156.73.67 attack
05/23/2020-04:11:25.662114 185.156.73.67 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-05-23 16:21:04
195.54.160.225 attackspambots
May 23 10:08:42 debian-2gb-nbg1-2 kernel: \[12480135.557006\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=195.54.160.225 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=9563 PROTO=TCP SPT=55776 DPT=6582 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-23 16:11:01
211.206.189.122 attackspam
SmallBizIT.US 1 packets to tcp(23)
2020-05-23 16:01:47

Recently Reported IPs

104.21.42.174 104.21.42.145 104.21.42.173 104.21.42.230
104.21.42.222 104.21.42.227 104.21.42.242 104.21.42.187
104.21.42.60 104.21.42.7 104.21.42.75 104.21.42.66
13.225.71.127 104.21.42.81 104.21.42.87 104.21.42.88
104.21.42.93 104.21.43.104 104.21.42.9 104.21.42.97