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: Germany

Internet Service Provider: Deutsche Telekom AG

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attack
2020-01-21T01:24:52.735Z CLOSE host=91.56.51.139 port=44574 fd=4 time=20.020 bytes=16
...
2020-03-12 23:10:40
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 91.56.51.139
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 33379
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			460	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020031200 1800 900 604800 86400

;; Query time: 112 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Thu Mar 12 23:10:33 CST 2020
;; MSG SIZE  rcvd: 116
Host info
139.51.56.91.in-addr.arpa domain name pointer p5B38338B.dip0.t-ipconnect.de.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
139.51.56.91.in-addr.arpa	name = p5B38338B.dip0.t-ipconnect.de.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
58.211.191.22 attack
Apr  5 00:43:40 xeon sshd[28048]: Failed password for root from 58.211.191.22 port 44430 ssh2
2020-04-05 09:43:20
112.85.42.174 attackbotsspam
Apr  5 01:12:24 localhost sshd\[25164\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=112.85.42.174  user=root
Apr  5 01:12:26 localhost sshd\[25164\]: Failed password for root from 112.85.42.174 port 56186 ssh2
Apr  5 01:12:29 localhost sshd\[25164\]: Failed password for root from 112.85.42.174 port 56186 ssh2
...
2020-04-05 09:21:52
112.85.42.181 attack
Apr  5 03:44:09 silence02 sshd[25817]: Failed password for root from 112.85.42.181 port 29885 ssh2
Apr  5 03:44:11 silence02 sshd[25817]: Failed password for root from 112.85.42.181 port 29885 ssh2
Apr  5 03:44:20 silence02 sshd[25817]: error: maximum authentication attempts exceeded for root from 112.85.42.181 port 29885 ssh2 [preauth]
2020-04-05 09:47:20
171.225.252.212 attack
Attempt to attack host OS, exploiting network vulnerabilities, on 04-04-2020 23:50:15.
2020-04-05 09:24:07
43.226.69.237 attackbots
Apr  5 00:47:28 xeon sshd[28586]: Failed password for root from 43.226.69.237 port 59326 ssh2
2020-04-05 09:44:39
14.98.170.202 attackspam
Unauthorized access or intrusion attempt detected from Thor banned IP
2020-04-05 09:38:36
222.186.30.112 attackbotsspam
SSH bruteforce more then 50 syn to 22 port per 10 seconds.
2020-04-05 09:11:08
192.241.238.169 attackspam
Brute force attack stopped by firewall
2020-04-05 09:36:54
43.226.146.129 attack
SSH brute force
2020-04-05 09:13:43
54.37.149.233 attackspambots
Apr  5 00:46:45 xeon sshd[28541]: Failed password for root from 54.37.149.233 port 54638 ssh2
2020-04-05 09:43:57
195.142.115.111 attack
Apr  5 02:22:10 debian-2gb-nbg1-2 kernel: \[8305163.327973\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=195.142.115.111 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=243 ID=54321 PROTO=TCP SPT=52835 DPT=8080 WINDOW=65535 RES=0x00 SYN URGP=0
2020-04-05 09:41:28
64.225.105.230 attackspam
Scanned 3 times in the last 24 hours on port 22
2020-04-05 09:18:00
94.191.122.141 attackspam
Apr  5 00:31:21 ovpn sshd\[31209\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.122.141  user=root
Apr  5 00:31:23 ovpn sshd\[31209\]: Failed password for root from 94.191.122.141 port 42428 ssh2
Apr  5 00:46:54 ovpn sshd\[2662\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.122.141  user=root
Apr  5 00:46:56 ovpn sshd\[2662\]: Failed password for root from 94.191.122.141 port 59670 ssh2
Apr  5 00:50:13 ovpn sshd\[3446\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.191.122.141  user=root
2020-04-05 09:26:58
37.187.12.126 attack
Automatic report BANNED IP
2020-04-05 09:37:55
95.211.236.105 attackspam
Brute force SMTP login attempted.
...
2020-04-05 09:31:14

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