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 <<>> 139.136.81.91
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64899
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;139.136.81.91.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2025021800 1800 900 604800 86400

;; Query time: 13 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Tue Feb 18 16:35:28 CST 2025
;; MSG SIZE  rcvd: 106
Host info
Host 91.81.136.139.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 91.81.136.139.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
196.52.84.35 attack
0,22-12/04 [bc05/m27] PostRequest-Spammer scoring: essen
2020-07-10 01:46:15
51.38.238.165 attackbotsspam
Jul  9 17:03:54 IngegnereFirenze sshd[22723]: Failed password for invalid user demolinux from 51.38.238.165 port 37866 ssh2
...
2020-07-10 02:04:35
51.77.66.35 attack
Cowrie Honeypot: 10 unauthorised SSH/Telnet login attempts between 2020-07-09T16:57:51Z and 2020-07-09T17:38:30Z
2020-07-10 02:09:39
2604:a880:2:d0::20fc:f001 attackspambots
2604:a880:2:d0::20fc:f001 - - [09/Jul/2020:05:38:52 +1000] "POST /wp-login.php HTTP/1.1" 200 1925 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2604:a880:2:d0::20fc:f001 - - [09/Jul/2020:07:16:00 +1000] "POST /wp-login.php HTTP/1.1" 200 1925 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2604:a880:2:d0::20fc:f001 - - [09/Jul/2020:07:49:44 +1000] "POST /wp-login.php HTTP/1.1" 200 1925 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2604:a880:2:d0::20fc:f001 - - [09/Jul/2020:18:56:18 +1000] "POST /wp-login.php HTTP/1.1" 200 1925 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
2604:a880:2:d0::20fc:f001 - - [09/Jul/2020:22:04:51 +1000] "POST /wp-login.php HTTP/1.1" 200 1925 "-" "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:62.0) Gecko/20100101 Firefox/62.0"
...
2020-07-10 01:47:00
161.117.11.230 attackspambots
DATE:2020-07-09 18:05:39, IP:161.117.11.230, PORT:ssh SSH brute force auth (docker-dc)
2020-07-10 01:58:15
222.165.186.51 attackspambots
Unauthorized access or intrusion attempt detected from Thor banned IP
2020-07-10 01:35:21
145.255.31.52 attackspam
Jul  9 13:03:56 localhost sshd[53524]: Invalid user teamspeak3 from 145.255.31.52 port 56971
Jul  9 13:03:56 localhost sshd[53524]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=145.255.31.52
Jul  9 13:03:56 localhost sshd[53524]: Invalid user teamspeak3 from 145.255.31.52 port 56971
Jul  9 13:03:58 localhost sshd[53524]: Failed password for invalid user teamspeak3 from 145.255.31.52 port 56971 ssh2
Jul  9 13:12:19 localhost sshd[54406]: Invalid user cudadbg from 145.255.31.52 port 55616
...
2020-07-10 01:40:07
120.203.29.78 attackbotsspam
Jul  9 10:08:22 vps46666688 sshd[32246]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=120.203.29.78
Jul  9 10:08:25 vps46666688 sshd[32246]: Failed password for invalid user cqp from 120.203.29.78 port 4487 ssh2
...
2020-07-10 01:36:16
192.99.5.94 attackspambots
192.99.5.94 - - [09/Jul/2020:18:56:52 +0100] "POST /wp-login.php HTTP/1.1" 200 5881 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
192.99.5.94 - - [09/Jul/2020:18:59:26 +0100] "POST /wp-login.php HTTP/1.1" 200 5874 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
192.99.5.94 - - [09/Jul/2020:19:02:51 +0100] "POST /wp-login.php HTTP/1.1" 200 5874 "-" "Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/46.0.2490.80 Safari/537.36"
...
2020-07-10 02:03:55
5.89.10.81 attack
Bruteforce detected by fail2ban
2020-07-10 01:50:00
216.218.206.88 attack
 TCP (SYN) 216.218.206.88:56211 -> port 21, len 44
2020-07-10 01:42:52
185.220.103.6 attackspambots
IP attempted unauthorised action
2020-07-10 01:41:43
89.216.29.73 attack
postfix (unknown user, SPF fail or relay access denied)
2020-07-10 01:39:17
218.71.141.62 attackbotsspam
Jul  9 17:34:23 vlre-nyc-1 sshd\[2269\]: Invalid user svnuser from 218.71.141.62
Jul  9 17:34:23 vlre-nyc-1 sshd\[2269\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.71.141.62
Jul  9 17:34:25 vlre-nyc-1 sshd\[2269\]: Failed password for invalid user svnuser from 218.71.141.62 port 53938 ssh2
Jul  9 17:37:28 vlre-nyc-1 sshd\[2350\]: Invalid user svn from 218.71.141.62
Jul  9 17:37:28 vlre-nyc-1 sshd\[2350\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.71.141.62
...
2020-07-10 01:59:01
119.45.4.14 attack
Jul  9 19:35:52 inter-technics sshd[11334]: Invalid user john from 119.45.4.14 port 55326
Jul  9 19:35:52 inter-technics sshd[11334]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=119.45.4.14
Jul  9 19:35:52 inter-technics sshd[11334]: Invalid user john from 119.45.4.14 port 55326
Jul  9 19:35:54 inter-technics sshd[11334]: Failed password for invalid user john from 119.45.4.14 port 55326 ssh2
Jul  9 19:40:56 inter-technics sshd[11756]: Invalid user shinobu from 119.45.4.14 port 53720
...
2020-07-10 01:57:36

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