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 <<>> 138.42.21.75
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2077
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;138.42.21.75.			IN	A

;; AUTHORITY SECTION:
.			29	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021900 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Feb 19 16:18:35 CST 2025
;; MSG SIZE  rcvd: 105
Host info
Host 75.21.42.138.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 75.21.42.138.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
122.114.9.6 attackspam
Nov 17 01:03:30 vps647732 sshd[6742]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.114.9.6
Nov 17 01:03:32 vps647732 sshd[6742]: Failed password for invalid user 123456 from 122.114.9.6 port 33120 ssh2
...
2019-11-17 09:15:07
80.211.6.136 attackbotsspam
MultiHost/MultiPort Probe, Scan, Hack -
2019-11-17 09:12:22
45.91.151.20 attack
2019-11-16T22:36:53.302387beta postfix/smtpd[6398]: NOQUEUE: reject: RCPT from unknown[45.91.151.20]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.91.151.20]; from= to= proto=ESMTP helo=
2019-11-16T22:46:55.086191beta postfix/smtpd[6589]: NOQUEUE: reject: RCPT from unknown[45.91.151.20]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.91.151.20]; from= to= proto=ESMTP helo=
2019-11-16T22:56:55.139174beta postfix/smtpd[6901]: NOQUEUE: reject: RCPT from unknown[45.91.151.20]: 450 4.7.1 Client host rejected: cannot find your reverse hostname, [45.91.151.20]; from= to= proto=ESMTP helo=
...
2019-11-17 08:52:17
49.88.112.72 attackspambots
Nov 17 02:34:42 sauna sshd[45937]: Failed password for root from 49.88.112.72 port 37716 ssh2
...
2019-11-17 09:27:47
187.157.128.68 attack
Brute force attempt
2019-11-17 09:01:10
200.57.73.170 attack
Nov 16 20:27:57 web1 postfix/smtpd[28924]: warning: unknown[200.57.73.170]: SASL LOGIN authentication failed: authentication failure
...
2019-11-17 09:32:34
153.126.182.19 attackbotsspam
Nov 17 01:04:28 mail postfix/smtpd[23037]: warning: ik1-327-23515.vs.sakura.ne.jp[153.126.182.19]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 17 01:06:00 mail postfix/smtpd[22246]: warning: ik1-327-23515.vs.sakura.ne.jp[153.126.182.19]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Nov 17 01:13:57 mail postfix/smtpd[24875]: warning: ik1-327-23515.vs.sakura.ne.jp[153.126.182.19]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
2019-11-17 09:24:51
222.186.175.220 attackbotsspam
Nov 16 21:53:18 firewall sshd[2725]: Failed password for root from 222.186.175.220 port 60872 ssh2
Nov 16 21:53:18 firewall sshd[2725]: error: maximum authentication attempts exceeded for root from 222.186.175.220 port 60872 ssh2 [preauth]
Nov 16 21:53:18 firewall sshd[2725]: Disconnecting: Too many authentication failures [preauth]
...
2019-11-17 08:58:26
77.247.108.119 attack
Portscan or hack attempt detected by psad/fwsnort
2019-11-17 09:17:06
187.59.203.226 attack
Nov 16 05:24:57 host sshd[3932]: reveeclipse mapping checking getaddrinfo for 187.59.203.226.static.host.gvt.net.br [187.59.203.226] failed - POSSIBLE BREAK-IN ATTEMPT!
Nov 16 05:24:57 host sshd[3932]: Invalid user masanpar from 187.59.203.226
Nov 16 05:24:57 host sshd[3932]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.59.203.226 
Nov 16 05:24:59 host sshd[3932]: Failed password for invalid user masanpar from 187.59.203.226 port 41338 ssh2
Nov 16 05:24:59 host sshd[3932]: Received disconnect from 187.59.203.226: 11: Bye Bye [preauth]
Nov 16 05:29:24 host sshd[17181]: reveeclipse mapping checking getaddrinfo for 187.59.203.226.static.host.gvt.net.br [187.59.203.226] failed - POSSIBLE BREAK-IN ATTEMPT!
Nov 16 05:29:24 host sshd[17181]: Invalid user xz from 187.59.203.226
Nov 16 05:29:24 host sshd[17181]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=187.59.203.226 
Nov 16 05:29:26 ho........
-------------------------------
2019-11-17 09:19:19
85.105.197.248 attackspambots
Automatic report - Banned IP Access
2019-11-17 09:05:54
106.13.85.77 attackspambots
Invalid user linux from 106.13.85.77 port 38182
2019-11-17 09:12:02
139.198.5.79 attack
Nov 17 01:50:55 lnxmail61 sshd[19123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.198.5.79
Nov 17 01:50:57 lnxmail61 sshd[19123]: Failed password for invalid user administrador from 139.198.5.79 port 53758 ssh2
Nov 17 01:55:25 lnxmail61 sshd[19702]: Failed password for backup from 139.198.5.79 port 59536 ssh2
2019-11-17 09:04:12
43.241.145.121 attackbotsspam
Nov 16 18:37:42 rb06 sshd[28027]: Failed password for invalid user jamie from 43.241.145.121 port 11680 ssh2
Nov 16 18:37:43 rb06 sshd[28027]: Received disconnect from 43.241.145.121: 11: Bye Bye [preauth]
Nov 16 18:56:19 rb06 sshd[7901]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=43.241.145.121  user=r.r
Nov 16 18:56:20 rb06 sshd[7901]: Failed password for r.r from 43.241.145.121 port 12999 ssh2
Nov 16 18:56:21 rb06 sshd[7901]: Received disconnect from 43.241.145.121: 11: Bye Bye [preauth]
Nov 16 19:10:56 rb06 sshd[16223]: Failed password for invalid user lisa from 43.241.145.121 port 13152 ssh2
Nov 16 19:10:56 rb06 sshd[16223]: Received disconnect from 43.241.145.121: 11: Bye Bye [preauth]
Nov 16 19:21:48 rb06 sshd[23775]: Failed password for invalid user ts3 from 43.241.145.121 port 13107 ssh2
Nov 16 19:21:49 rb06 sshd[23775]: Received disconnect from 43.241.145.121: 11: Bye Bye [preauth]
Nov 16 19:26:49 rb06 sshd[27885]: ........
-------------------------------
2019-11-17 09:10:16
106.12.241.109 attack
Nov 16 13:25:03 sachi sshd\[20883\]: Invalid user barnwell from 106.12.241.109
Nov 16 13:25:03 sachi sshd\[20883\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.241.109
Nov 16 13:25:05 sachi sshd\[20883\]: Failed password for invalid user barnwell from 106.12.241.109 port 36494 ssh2
Nov 16 13:29:13 sachi sshd\[21195\]: Invalid user solid from 106.12.241.109
Nov 16 13:29:13 sachi sshd\[21195\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.12.241.109
2019-11-17 09:22:20

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