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: Burlington Northern Sante Fe Railway Corp

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 <<>> 139.51.145.206
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64122
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;139.51.145.206.			IN	A

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019070200 1800 900 604800 86400

;; Query time: 3 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Tue Jul 02 23:19:33 CST 2019
;; MSG SIZE  rcvd: 118
Host info
Host 206.145.51.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 206.145.51.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
181.174.144.169 attackspambots
Aug 31 16:09:08 mail.srvfarm.net postfix/smtps/smtpd[367734]: warning: unknown[181.174.144.169]: SASL PLAIN authentication failed: 
Aug 31 16:09:09 mail.srvfarm.net postfix/smtps/smtpd[367734]: lost connection after AUTH from unknown[181.174.144.169]
Aug 31 16:13:29 mail.srvfarm.net postfix/smtps/smtpd[354177]: warning: unknown[181.174.144.169]: SASL PLAIN authentication failed: 
Aug 31 16:13:30 mail.srvfarm.net postfix/smtps/smtpd[354177]: lost connection after AUTH from unknown[181.174.144.169]
Aug 31 16:16:44 mail.srvfarm.net postfix/smtps/smtpd[370291]: warning: unknown[181.174.144.169]: SASL PLAIN authentication failed:
2020-09-08 20:31:49
186.216.68.183 attackbots
Aug 30 07:47:56 mail.srvfarm.net postfix/smtps/smtpd[3605554]: warning: unknown[186.216.68.183]: SASL PLAIN authentication failed: 
Aug 30 07:47:57 mail.srvfarm.net postfix/smtps/smtpd[3605554]: lost connection after AUTH from unknown[186.216.68.183]
Aug 30 07:48:43 mail.srvfarm.net postfix/smtpd[3603899]: warning: unknown[186.216.68.183]: SASL PLAIN authentication failed: 
Aug 30 07:48:44 mail.srvfarm.net postfix/smtpd[3603899]: lost connection after AUTH from unknown[186.216.68.183]
Aug 30 07:51:40 mail.srvfarm.net postfix/smtps/smtpd[3603756]: warning: unknown[186.216.68.183]: SASL PLAIN authentication failed:
2020-09-08 20:39:42
51.68.71.239 attackspam
Sep  8 13:58:28 abendstille sshd\[4161\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.71.239  user=root
Sep  8 13:58:30 abendstille sshd\[4161\]: Failed password for root from 51.68.71.239 port 56191 ssh2
Sep  8 14:01:59 abendstille sshd\[7437\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.71.239  user=root
Sep  8 14:02:02 abendstille sshd\[7437\]: Failed password for root from 51.68.71.239 port 58579 ssh2
Sep  8 14:05:32 abendstille sshd\[11123\]: Invalid user cap from 51.68.71.239
Sep  8 14:05:32 abendstille sshd\[11123\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.68.71.239
...
2020-09-08 20:18:21
45.142.120.61 attackbots
Sep  8 14:27:41 srv01 postfix/smtpd\[5712\]: warning: unknown\[45.142.120.61\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:27:53 srv01 postfix/smtpd\[5324\]: warning: unknown\[45.142.120.61\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:27:55 srv01 postfix/smtpd\[21265\]: warning: unknown\[45.142.120.61\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:28:13 srv01 postfix/smtpd\[20429\]: warning: unknown\[45.142.120.61\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Sep  8 14:28:27 srv01 postfix/smtpd\[5712\]: warning: unknown\[45.142.120.61\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-09-08 20:34:11
184.168.193.187 attackspambots
Brute Force
2020-09-08 20:30:38
81.182.248.193 attackbots
Sep  7 18:45:27 serwer sshd\[32760\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.182.248.193  user=root
Sep  7 18:45:29 serwer sshd\[32760\]: Failed password for root from 81.182.248.193 port 58592 ssh2
Sep  7 18:55:19 serwer sshd\[1904\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.182.248.193  user=root
Sep  7 18:55:20 serwer sshd\[1904\]: Failed password for root from 81.182.248.193 port 57830 ssh2
Sep  7 19:05:11 serwer sshd\[3080\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.182.248.193  user=root
Sep  7 19:05:13 serwer sshd\[3080\]: Failed password for root from 81.182.248.193 port 57054 ssh2
Sep  7 19:25:07 serwer sshd\[4888\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.182.248.193  user=root
Sep  7 19:25:09 serwer sshd\[4888\]: Failed password for root from 81.182.248.193 port 5
...
2020-09-08 20:28:35
142.93.100.171 attack
Sep  8 08:51:29 *** sshd[26027]: User root from 142.93.100.171 not allowed because not listed in AllowUsers
2020-09-08 20:52:51
51.15.231.237 attack
*Port Scan* detected from 51.15.231.237 (FR/France/Île-de-France/Vitry-sur-Seine/heylo.cm). 4 hits in the last 45 seconds
2020-09-08 20:40:01
54.37.143.192 attackspambots
$f2bV_matches
2020-09-08 20:33:00
85.153.235.75 attackbots
Wordpress attack
2020-09-08 20:17:49
116.88.168.250 attackbots
250.168.88.116.starhub.net.sg
2020-09-08 20:23:38
176.31.31.185 attackbots
Failed password for root from 176.31.31.185 port 45542 ssh2
Invalid user app-ohras from 176.31.31.185 port 47085
pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=176.31.31.185
Invalid user app-ohras from 176.31.31.185 port 47085
Failed password for invalid user app-ohras from 176.31.31.185 port 47085 ssh2
2020-09-08 20:22:14
95.111.228.21 attackspam
Scanning
2020-09-08 20:32:19
193.35.51.21 attack
(smtpauth) Failed SMTP AUTH login from 193.35.51.21 (RU/Russia/-): 5 in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_SMTPAUTH; Logs: 2020-09-08 07:36:58 dovecot_login authenticator failed for ([193.35.51.21]) [193.35.51.21]:12008: 535 Incorrect authentication data
2020-09-08 07:37:03 dovecot_login authenticator failed for ([193.35.51.21]) [193.35.51.21]:15020: 535 Incorrect authentication data
2020-09-08 07:37:08 dovecot_login authenticator failed for ([193.35.51.21]) [193.35.51.21]:52882: 535 Incorrect authentication data
2020-09-08 07:39:56 dovecot_login authenticator failed for ([193.35.51.21]) [193.35.51.21]:58622: 535 Incorrect authentication data
2020-09-08 08:33:43 dovecot_login authenticator failed for ([193.35.51.21]) [193.35.51.21]:14676: 535 Incorrect authentication data (set_id=tjlzc@rlrd.com)
2020-09-08 20:45:11
180.249.164.172 attackspam
Lines containing failures of 180.249.164.172
Sep  7 12:19:45 *** sshd[126706]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.249.164.172  user=r.r
Sep  7 12:19:47 *** sshd[126706]: Failed password for r.r from 180.249.164.172 port 18224 ssh2
Sep  7 12:19:47 *** sshd[126706]: Received disconnect from 180.249.164.172 port 18224:11: Bye Bye [preauth]
Sep  7 12:19:47 *** sshd[126706]: Disconnected from authenticating user r.r 180.249.164.172 port 18224 [preauth]
Sep  7 12:23:00 *** sshd[126821]: Invalid user n0b0dy from 180.249.164.172 port 16869
Sep  7 12:23:00 *** sshd[126821]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.249.164.172
Sep  7 12:23:02 *** sshd[126821]: Failed password for invalid user n0b0dy from 180.249.164.172 port 16869 ssh2
Sep  7 12:23:02 *** sshd[126821]: Received disconnect from 180.249.164.172 port 16869:11: Bye Bye [preauth]
Sep  7 12:23:02 *** sshd[126821]:........
------------------------------
2020-09-08 20:26:05

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