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:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 104.21.39.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 57353
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.42.			IN	A

;; AUTHORITY SECTION:
.			264	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: Thu Feb 17 21:41:37 CST 2022
;; MSG SIZE  rcvd: 105
Host info
Host 42.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 42.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
128.199.227.155 attack
2020-09-08T22:17:30.262058dmca.cloudsearch.cf sshd[24583]: Invalid user lars from 128.199.227.155 port 37276
2020-09-08T22:17:30.266929dmca.cloudsearch.cf sshd[24583]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.227.155
2020-09-08T22:17:30.262058dmca.cloudsearch.cf sshd[24583]: Invalid user lars from 128.199.227.155 port 37276
2020-09-08T22:17:31.850726dmca.cloudsearch.cf sshd[24583]: Failed password for invalid user lars from 128.199.227.155 port 37276 ssh2
2020-09-08T22:22:13.062996dmca.cloudsearch.cf sshd[24672]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.227.155  user=root
2020-09-08T22:22:14.832314dmca.cloudsearch.cf sshd[24672]: Failed password for root from 128.199.227.155 port 33934 ssh2
2020-09-08T22:26:37.076966dmca.cloudsearch.cf sshd[24721]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=128.199.227.155  user=root
2020-09-08T22:26
...
2020-09-09 15:55:31
187.245.141.100 attack
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 16:13:03
23.248.162.177 attack
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth): user=root
2020-09-09 15:53:55
5.135.182.84 attack
Sep  9 06:36:46 server sshd[5856]: Failed password for root from 5.135.182.84 port 49842 ssh2
Sep  9 06:48:07 server sshd[11397]: Failed password for root from 5.135.182.84 port 54050 ssh2
Sep  9 06:59:24 server sshd[16766]: Failed password for root from 5.135.182.84 port 58260 ssh2
2020-09-09 16:01:12
217.182.206.121 attackspam
...
2020-09-09 16:13:51
201.184.94.188 attackspam
20/9/8@12:53:13: FAIL: Alarm-Network address from=201.184.94.188
20/9/8@12:53:13: FAIL: Alarm-Network address from=201.184.94.188
20/9/8@12:53:14: FAIL: Alarm-Network address from=201.184.94.188
...
2020-09-09 15:53:03
36.134.4.246 attackbots
 TCP (SYN) 36.134.4.246:55528 -> port 3832, len 44
2020-09-09 15:40:56
114.231.46.190 attackspam
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth):
2020-09-09 15:55:47
121.241.244.92 attackspambots
Sep  9 07:59:58 game-panel sshd[19215]: Failed password for root from 121.241.244.92 port 51384 ssh2
Sep  9 08:02:59 game-panel sshd[19328]: Failed password for root from 121.241.244.92 port 34812 ssh2
2020-09-09 16:11:14
186.10.245.152 attackspambots
[ssh] SSH attack
2020-09-09 15:47:27
190.202.109.244 attackspambots
Sep  9 05:26:35 marvibiene sshd[30030]: Failed password for root from 190.202.109.244 port 53250 ssh2
2020-09-09 16:03:39
210.75.240.13 attackspambots
$f2bV_matches
2020-09-09 15:54:25
240e:390:1040:2906:246:5d3f:d100:189c attackspambots
Attempted Email Sync. Password Hacking/Probing.
2020-09-09 16:16:57
172.96.214.107 attack
Sep  9 07:37:07 nuernberg-4g-01 sshd[10117]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=172.96.214.107 
Sep  9 07:37:09 nuernberg-4g-01 sshd[10117]: Failed password for invalid user confluence1 from 172.96.214.107 port 51978 ssh2
Sep  9 07:42:12 nuernberg-4g-01 sshd[11889]: Failed password for root from 172.96.214.107 port 59668 ssh2
2020-09-09 15:36:26
79.120.102.34 attackspam
Coordinated SSH brute-force attack from different IPs. pam_unix(sshd:auth):
2020-09-09 15:44:19

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