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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.42.194
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 1654
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.42.194.			IN	A

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

;; Query time: 64 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Feb 17 22:11:22 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 194.42.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 194.42.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
94.176.76.65 attackbotsspam
(Jul  9)  LEN=40 TTL=244 ID=25747 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  9)  LEN=40 TTL=244 ID=502 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  9)  LEN=40 TTL=244 ID=981 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  9)  LEN=40 TTL=244 ID=60422 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  9)  LEN=40 TTL=244 ID=44160 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  9)  LEN=40 TTL=244 ID=34725 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  9)  LEN=40 TTL=244 ID=49275 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=244 ID=27561 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=244 ID=27149 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=244 ID=30114 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=244 ID=40545 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=244 ID=14236 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=245 ID=42629 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=245 ID=20626 DF TCP DPT=23 WINDOW=14600 SYN 
 (Jul  8)  LEN=40 TTL=245 ID=35191 DF TCP DPT=23 WINDOW=14600 SYN
2019-07-10 01:39:42
45.70.248.10 attackbotsspam
[ER hit] Tried to deliver spam. Already well known.
2019-07-10 01:20:31
153.36.232.139 attackspambots
Jul 10 01:04:56 itv-usvr-02 sshd[26488]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.232.139  user=root
Jul 10 01:05:07 itv-usvr-02 sshd[26491]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=153.36.232.139  user=root
2019-07-10 02:07:57
130.61.83.71 attackspambots
Jul  9 14:10:20 *** sshd[32552]: Invalid user kk from 130.61.83.71
2019-07-10 01:27:53
104.236.81.204 attack
Triggered by Fail2Ban
2019-07-10 01:40:31
222.87.147.62 attack
Jul  9 18:55:25 vps647732 sshd[6324]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=222.87.147.62
Jul  9 18:55:28 vps647732 sshd[6324]: Failed password for invalid user james from 222.87.147.62 port 50104 ssh2
...
2019-07-10 02:18:10
160.153.147.141 attack
Automatic report - Web App Attack
2019-07-10 02:00:35
54.37.66.73 attack
2019-07-09T19:32:03.3062921240 sshd\[31592\]: Invalid user administrator from 54.37.66.73 port 57029
2019-07-09T19:32:03.3105741240 sshd\[31592\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.37.66.73
2019-07-09T19:32:04.7661901240 sshd\[31592\]: Failed password for invalid user administrator from 54.37.66.73 port 57029 ssh2
...
2019-07-10 02:17:33
217.61.58.165 attackspam
Autoban   217.61.58.165 AUTH/CONNECT
2019-07-10 01:56:38
89.248.172.85 attack
09.07.2019 16:09:47 Connection to port 3964 blocked by firewall
2019-07-10 01:19:49
132.247.172.26 attackspam
Jul  9 19:51:08 srv206 sshd[25477]: Invalid user tuser from 132.247.172.26
Jul  9 19:51:08 srv206 sshd[25477]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=132.247.172.26
Jul  9 19:51:08 srv206 sshd[25477]: Invalid user tuser from 132.247.172.26
Jul  9 19:51:10 srv206 sshd[25477]: Failed password for invalid user tuser from 132.247.172.26 port 34894 ssh2
...
2019-07-10 01:57:52
167.99.200.84 attackbots
Jul  9 19:03:10 [munged] sshd[8899]: Invalid user zena from 167.99.200.84 port 60564
Jul  9 19:03:10 [munged] sshd[8899]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=167.99.200.84
2019-07-10 01:48:48
163.172.11.200 attackspambots
Unauthorized IMAP connection attempt
2019-07-10 01:24:08
118.39.225.210 attack
Jul  9 15:37:22 vpn01 sshd\[17840\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=118.39.225.210  user=root
Jul  9 15:37:25 vpn01 sshd\[17840\]: Failed password for root from 118.39.225.210 port 45888 ssh2
Jul  9 15:37:38 vpn01 sshd\[17840\]: Failed password for root from 118.39.225.210 port 45888 ssh2
2019-07-10 01:31:49
120.131.0.201 attackbotsspam
Jul  9 16:41:45 *** sshd[477]: Invalid user user from 120.131.0.201
2019-07-10 02:02:20

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