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: 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 <<>> 139.251.136.81
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 47451
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;139.251.136.81.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025121400 1800 900 604800 86400

;; Query time: 10 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Dec 14 15:05:48 CST 2025
;; MSG SIZE  rcvd: 107
Host info
Host 81.136.251.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 81.136.251.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
45.249.93.81 attack
$f2bV_matches
2019-11-02 01:11:40
80.211.140.188 attack
fail2ban honeypot
2019-11-02 01:00:13
193.32.163.182 attackspam
Nov  1 13:07:50 XXX sshd[11446]: Invalid user admin from 193.32.163.182 port 50004
2019-11-02 01:21:45
75.1.97.126 attack
port scan and connect, tcp 1433 (ms-sql-s)
2019-11-02 01:15:55
45.55.177.230 attackspambots
Nov  1 05:10:28 web1 sshd\[7115\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.230  user=root
Nov  1 05:10:31 web1 sshd\[7115\]: Failed password for root from 45.55.177.230 port 39657 ssh2
Nov  1 05:14:52 web1 sshd\[7490\]: Invalid user water from 45.55.177.230
Nov  1 05:14:52 web1 sshd\[7490\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=45.55.177.230
Nov  1 05:14:54 web1 sshd\[7490\]: Failed password for invalid user water from 45.55.177.230 port 59098 ssh2
2019-11-02 01:24:46
200.216.31.148 attackbotsspam
Connection by 200.216.31.148 on port: 5900 got caught by honeypot at 11/1/2019 4:01:24 PM
2019-11-02 00:49:35
176.106.131.88 attack
Chat Spam
2019-11-02 00:51:40
200.98.200.133 attackspam
port scan and connect, tcp 5432 (postgresql)
2019-11-02 01:01:51
41.159.18.20 attackbotsspam
Nov  1 18:08:06 markkoudstaal sshd[28936]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=41.159.18.20
Nov  1 18:08:08 markkoudstaal sshd[28936]: Failed password for invalid user test6 from 41.159.18.20 port 56987 ssh2
Nov  1 18:14:14 markkoudstaal sshd[29640]: Failed password for root from 41.159.18.20 port 49827 ssh2
2019-11-02 01:19:43
185.175.25.53 attack
Nov  1 14:49:25 MK-Soft-VM4 sshd[31872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=185.175.25.53 
Nov  1 14:49:27 MK-Soft-VM4 sshd[31872]: Failed password for invalid user shuaigelongquan from 185.175.25.53 port 56950 ssh2
...
2019-11-02 01:03:51
139.198.4.44 attackspambots
Nov  1 17:42:31 vpn01 sshd[27419]: Failed password for root from 139.198.4.44 port 57842 ssh2
...
2019-11-02 01:01:16
78.39.205.54 attackspambots
11/01/2019-07:47:25.739767 78.39.205.54 Protocol: 6 ET SCAN NMAP -sS window 1024
2019-11-02 01:27:19
125.162.13.83 attackspambots
Connection by 125.162.13.83 on port: 5900 got caught by honeypot at 11/1/2019 11:47:50 AM
2019-11-02 01:12:41
121.78.209.98 attackbots
Nov  1 13:31:38 mail1 sshd\[31284\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.78.209.98  user=root
Nov  1 13:31:41 mail1 sshd\[31284\]: Failed password for root from 121.78.209.98 port 43604 ssh2
Nov  1 13:31:48 mail1 sshd\[31290\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.78.209.98  user=root
Nov  1 13:31:50 mail1 sshd\[31290\]: Failed password for root from 121.78.209.98 port 17225 ssh2
Nov  1 13:31:58 mail1 sshd\[31296\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=121.78.209.98  user=root
...
2019-11-02 01:02:40
218.17.185.31 attack
$f2bV_matches
2019-11-02 00:48:43

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