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 <<>> 104.21.39.231
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 17019
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;104.21.39.231.			IN	A

;; AUTHORITY SECTION:
.			215	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2022022000 1800 900 604800 86400

;; Query time: 55 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Feb 20 20:29:18 CST 2022
;; MSG SIZE  rcvd: 106
Host info
Host 231.39.21.104.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 231.39.21.104.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.112.190.154 attack
May 11 14:09:00 debian-2gb-nbg1-2 kernel: \[11457807.276055\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=122.112.190.154 DST=195.201.40.59 LEN=44 TOS=0x00 PREC=0x00 TTL=224 ID=23946 PROTO=TCP SPT=58715 DPT=4243 WINDOW=1024 RES=0x00 SYN URGP=0
2020-05-11 20:51:54
120.70.98.195 attackbotsspam
May 11 14:04:42 meumeu sshd[30107]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.98.195 
May 11 14:04:44 meumeu sshd[30107]: Failed password for invalid user vi from 120.70.98.195 port 42254 ssh2
May 11 14:09:46 meumeu sshd[31018]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.70.98.195 
...
2020-05-11 20:10:30
49.234.207.124 attackbots
May 11 12:35:02 onepixel sshd[2998976]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.207.124 
May 11 12:35:02 onepixel sshd[2998976]: Invalid user ubuntu from 49.234.207.124 port 60264
May 11 12:35:04 onepixel sshd[2998976]: Failed password for invalid user ubuntu from 49.234.207.124 port 60264 ssh2
May 11 12:38:41 onepixel sshd[2999424]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.234.207.124  user=root
May 11 12:38:42 onepixel sshd[2999424]: Failed password for root from 49.234.207.124 port 51666 ssh2
2020-05-11 20:41:20
118.25.91.168 attack
$f2bV_matches
2020-05-11 20:12:11
188.128.28.52 attackspam
May 10 23:58:06 hostnameproxy sshd[4932]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.52  user=r.r
May 10 23:58:08 hostnameproxy sshd[4932]: Failed password for r.r from 188.128.28.52 port 6442 ssh2
May 10 23:58:22 hostnameproxy sshd[4949]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.52  user=r.r
May 10 23:58:24 hostnameproxy sshd[4949]: Failed password for r.r from 188.128.28.52 port 22469 ssh2
May 10 23:59:28 hostnameproxy sshd[5015]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.52  user=r.r
May 10 23:59:30 hostnameproxy sshd[5015]: Failed password for r.r from 188.128.28.52 port 16353 ssh2
May 11 00:01:28 hostnameproxy sshd[5138]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.52  user=r.r
May 11 00:01:30 hostnameproxy sshd[5138]: Failed password for r.r f........
------------------------------
2020-05-11 20:46:37
50.244.37.249 attackbots
May 11 14:39:17 [host] sshd[31300]: Invalid user s
May 11 14:39:17 [host] sshd[31300]: pam_unix(sshd:
May 11 14:39:19 [host] sshd[31300]: Failed passwor
2020-05-11 20:45:37
49.232.0.101 attackspambots
(sshd) Failed SSH login from 49.232.0.101 (CN/China/-): 5 in the last 3600 secs
2020-05-11 20:21:35
83.159.194.187 attack
DATE:2020-05-11 14:09:25, IP:83.159.194.187, PORT:ssh SSH brute force auth (docker-dc)
2020-05-11 20:32:12
54.37.163.11 attackbotsspam
May 11 13:09:33 sigma sshd\[14153\]: Invalid user ubuntu from 54.37.163.11May 11 13:09:35 sigma sshd\[14153\]: Failed password for invalid user ubuntu from 54.37.163.11 port 48210 ssh2
...
2020-05-11 20:24:27
112.64.34.165 attackbots
2020-05-11T12:04:57.332790abusebot-3.cloudsearch.cf sshd[24315]: Invalid user ubuntu from 112.64.34.165 port 60226
2020-05-11T12:04:57.341220abusebot-3.cloudsearch.cf sshd[24315]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.64.34.165
2020-05-11T12:04:57.332790abusebot-3.cloudsearch.cf sshd[24315]: Invalid user ubuntu from 112.64.34.165 port 60226
2020-05-11T12:04:59.557495abusebot-3.cloudsearch.cf sshd[24315]: Failed password for invalid user ubuntu from 112.64.34.165 port 60226 ssh2
2020-05-11T12:06:58.774443abusebot-3.cloudsearch.cf sshd[24540]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.64.34.165  user=root
2020-05-11T12:07:00.599703abusebot-3.cloudsearch.cf sshd[24540]: Failed password for root from 112.64.34.165 port 41604 ssh2
2020-05-11T12:09:02.442272abusebot-3.cloudsearch.cf sshd[24647]: Invalid user user from 112.64.34.165 port 51218
...
2020-05-11 20:51:04
182.184.74.181 attackspam
Automatic report - Port Scan Attack
2020-05-11 20:53:47
188.128.28.54 attackbots
May 10 23:58:01 hostnameproxy sshd[4930]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.54  user=r.r
May 10 23:58:03 hostnameproxy sshd[4930]: Failed password for r.r from 188.128.28.54 port 31848 ssh2
May 10 23:59:47 hostnameproxy sshd[5029]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.54  user=r.r
May 10 23:59:49 hostnameproxy sshd[5029]: Failed password for r.r from 188.128.28.54 port 23907 ssh2
May 11 00:00:20 hostnameproxy sshd[5055]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.54  user=r.r
May 11 00:00:21 hostnameproxy sshd[5055]: Failed password for r.r from 188.128.28.54 port 19397 ssh2
May 11 00:00:38 hostnameproxy sshd[5079]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=188.128.28.54  user=r.r
May 11 00:00:40 hostnameproxy sshd[5079]: Failed password for r.r ........
------------------------------
2020-05-11 20:54:08
217.112.142.4 attackspam
May 11 14:00:25 web01.agentur-b-2.de postfix/smtpd[212820]: NOQUEUE: reject: RCPT from unknown[217.112.142.4]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 11 14:00:25 web01.agentur-b-2.de postfix/smtpd[212045]: NOQUEUE: reject: RCPT from unknown[217.112.142.4]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 11 14:06:17 web01.agentur-b-2.de postfix/smtpd[212045]: NOQUEUE: reject: RCPT from unknown[217.112.142.4]: 450 4.7.1 : Helo command rejected: Host not found; from= to= proto=ESMTP helo=
May 11 14:10:25 web01.agentur-b-2.de postfix/smtpd[216715]: NOQUEUE: reject: RCPT from unknown[217.112.142.4]: 450 4.7.1 : Helo comman
2020-05-11 20:56:21
140.143.136.41 attackbots
$f2bV_matches
2020-05-11 20:26:48
78.118.109.44 attackspam
May 11 14:09:08  sshd\[6475\]: Invalid user deploy from 78.118.109.44May 11 14:09:10  sshd\[6475\]: Failed password for invalid user deploy from 78.118.109.44 port 50414 ssh2
...
2020-05-11 20:44:17

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