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: Czechia

Internet Service Provider: unknown

Hostname: unknown

Organization: FDLnet.CZ, s.r.o.

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 <<>> 149.255.91.42
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 51005
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019071501 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.2#53(67.207.67.2)
;; WHEN: Tue Jul 16 03:01:54 CST 2019
;; MSG SIZE  rcvd: 117
Host info
Host 42.91.255.149.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.2
Address:	67.207.67.2#53

** server can't find 42.91.255.149.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
190.207.239.227 attackbots
1586607263 - 04/11/2020 14:14:23 Host: 190.207.239.227/190.207.239.227 Port: 445 TCP Blocked
2020-04-12 02:46:27
139.59.93.93 attack
Apr 11 18:46:47 www sshd\[142201\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.93.93  user=root
Apr 11 18:46:48 www sshd\[142201\]: Failed password for root from 139.59.93.93 port 38790 ssh2
Apr 11 18:48:57 www sshd\[142224\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.93.93  user=root
...
2020-04-12 02:27:09
212.83.129.50 attack
ET SCAN Sipvicious User-Agent Detected (friendly-scanner) - port: 5060 proto: UDP cat: Attempted Information Leak
2020-04-12 02:35:05
51.79.66.142 attack
Apr 11 12:07:17 mail sshd\[62154\]: Invalid user h from 51.79.66.142
Apr 11 12:07:17 mail sshd\[62154\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=51.79.66.142
...
2020-04-12 02:41:05
60.170.166.72 attackbots
Telnet/23 MH Probe, Scan, BF, Hack -
2020-04-12 03:00:00
79.124.62.70 attack
Apr 11 20:59:21 debian-2gb-nbg1-2 kernel: \[8890563.580141\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=79.124.62.70 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=246 ID=47316 PROTO=TCP SPT=55927 DPT=41179 WINDOW=1024 RES=0x00 SYN URGP=0
2020-04-12 02:59:27
1.202.219.245 attackspambots
$f2bV_matches
2020-04-12 02:39:02
45.133.99.24 attack
$f2bV_matches
2020-04-12 02:24:52
119.4.225.31 attackbots
Apr 11 10:45:59 pixelmemory sshd[31116]: Failed password for root from 119.4.225.31 port 53014 ssh2
Apr 11 10:54:04 pixelmemory sshd[32179]: Failed password for root from 119.4.225.31 port 34020 ssh2
...
2020-04-12 02:45:15
185.172.186.235 attack
Automatic report - Port Scan Attack
2020-04-12 02:22:54
190.203.249.177 attack
port scan and connect, tcp 23 (telnet)
2020-04-12 02:59:43
177.75.152.208 attack
Telnet/23 MH Probe, Scan, BF, Hack -
2020-04-12 02:40:07
51.91.247.67 attack
2020-04-11T08:51:11.921826srv.ecualinux.com sshd[31409]: Invalid user linuxacademy from 51.91.247.67 port 53398
2020-04-11T08:51:11.926212srv.ecualinux.com sshd[31409]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3155950.ip-51-91-247.eu
2020-04-11T08:51:13.070122srv.ecualinux.com sshd[31409]: Failed password for invalid user linuxacademy from 51.91.247.67 port 53398 ssh2
2020-04-11T08:52:26.634148srv.ecualinux.com sshd[31513]: Invalid user linuxacademy from 51.91.247.67 port 60964
2020-04-11T08:52:26.638527srv.ecualinux.com sshd[31513]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns3155950.ip-51-91-247.eu

........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=51.91.247.67
2020-04-12 02:44:54
61.132.225.82 attack
SSH auth scanning - multiple failed logins
2020-04-12 02:44:04
221.231.126.45 attackbotsspam
Apr 11 14:55:32 cloud sshd[19265]: Failed password for root from 221.231.126.45 port 55032 ssh2
2020-04-12 02:45:44

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