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 of America (the)

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 <<>> 4.139.9.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 42899
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;4.139.9.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021401 1800 900 604800 86400

;; Query time: 269 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Feb 15 07:17:44 CST 2025
;; MSG SIZE  rcvd: 103
Host info
Host 21.9.139.4.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.9.139.4.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
176.221.104.2 attackspam
Jul 24 10:33:34 mail postfix/postscreen[93611]: PREGREET 39 after 2.1 from [176.221.104.2]:60563: EHLO host-176-221-104-2.dynamic.mm.pl

...
2019-07-25 07:56:29
177.196.207.139 attackspam
2019-07-24T23:34:38.041033enmeeting.mahidol.ac.th sshd\[4671\]: User root from 177.196.207.139 not allowed because not listed in AllowUsers
2019-07-24T23:34:38.594744enmeeting.mahidol.ac.th sshd\[4671\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=177.196.207.139  user=root
2019-07-24T23:34:40.675107enmeeting.mahidol.ac.th sshd\[4671\]: Failed password for invalid user root from 177.196.207.139 port 10385 ssh2
...
2019-07-25 07:29:35
111.242.14.54 attack
Unauthorized connection attempt from IP address 111.242.14.54 on Port 445(SMB)
2019-07-25 08:09:16
178.123.229.159 attackbots
Unauthorized connection attempt from IP address 178.123.229.159 on Port 445(SMB)
2019-07-25 08:10:11
27.71.208.181 attackbotsspam
Unauthorized connection attempt from IP address 27.71.208.181 on Port 445(SMB)
2019-07-25 07:56:47
150.242.213.189 attack
Jul 25 00:55:02 MainVPS sshd[29623]: Invalid user sales1 from 150.242.213.189 port 42152
Jul 25 00:55:02 MainVPS sshd[29623]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.242.213.189
Jul 25 00:55:02 MainVPS sshd[29623]: Invalid user sales1 from 150.242.213.189 port 42152
Jul 25 00:55:05 MainVPS sshd[29623]: Failed password for invalid user sales1 from 150.242.213.189 port 42152 ssh2
Jul 25 01:00:13 MainVPS sshd[30134]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=150.242.213.189  user=root
Jul 25 01:00:15 MainVPS sshd[30134]: Failed password for root from 150.242.213.189 port 39374 ssh2
...
2019-07-25 07:44:34
50.17.13.53 attackbots
Jul 24 16:34:11   TCP Attack: SRC=50.17.13.53 DST=[Masked] LEN=250 TOS=0x00 PREC=0x00 TTL=234  DF PROTO=TCP SPT=37040 DPT=80 WINDOW=913 RES=0x00 ACK PSH URGP=0
2019-07-25 07:39:31
14.241.75.17 attackbots
Unauthorized connection attempt from IP address 14.241.75.17 on Port 445(SMB)
2019-07-25 08:06:29
94.23.62.187 attackspam
Jul 24 19:39:01 SilenceServices sshd[31207]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.62.187
Jul 24 19:39:04 SilenceServices sshd[31207]: Failed password for invalid user ubuntu from 94.23.62.187 port 53130 ssh2
Jul 24 19:44:55 SilenceServices sshd[1828]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.62.187
2019-07-25 07:46:33
66.240.205.34 attackbots
ZeroAccess.Gen Command and Control Traffic
2019-07-25 07:34:56
148.234.93.58 attack
Unauthorized connection attempt from IP address 148.234.93.58 on Port 445(SMB)
2019-07-25 08:03:35
131.255.135.177 attackspam
blacklist
2019-07-25 07:47:01
74.82.47.5 attackbotsspam
3389BruteforceFW21
2019-07-25 08:09:45
201.234.253.3 attackspambots
Jul 24 10:34:02 mail postfix/postscreen[93611]: PREGREET 41 after 1.7 from [201.234.253.3]:56109: EHLO 201-234-253-3.static.impsat.net.ar

...
2019-07-25 07:36:53
185.254.122.22 attackbotsspam
24.07.2019 23:10:06 Connection to port 33785 blocked by firewall
2019-07-25 07:31:57

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