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: 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 <<>> 91.57.137.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 54240
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			317	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019103101 1800 900 604800 86400

;; Query time: 97 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Nov 01 11:14:51 CST 2019
;; MSG SIZE  rcvd: 116
Host info
Host 21.137.57.91.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.137.57.91.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
81.22.45.116 attack
Nov  6 09:01:02 mc1 kernel: \[4313562.325069\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.116 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=64888 PROTO=TCP SPT=43285 DPT=49580 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  6 09:07:27 mc1 kernel: \[4313947.377951\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.116 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=64990 PROTO=TCP SPT=43285 DPT=50113 WINDOW=1024 RES=0x00 SYN URGP=0 
Nov  6 09:07:39 mc1 kernel: \[4313958.816245\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:11:a9:7b:d2:74:7f:6e:37:e3:08:00 SRC=81.22.45.116 DST=159.69.205.51 LEN=40 TOS=0x00 PREC=0x00 TTL=244 ID=57361 PROTO=TCP SPT=43285 DPT=50167 WINDOW=1024 RES=0x00 SYN URGP=0 
...
2019-11-06 16:10:14
139.180.216.190 attack
[Wed Nov 06 13:27:53.600569 2019] [:error] [pid 682:tid 140114221315840] [client 139.180.216.190:39314] [client 139.180.216.190] ModSecurity: Access denied with code 403 (phase 1). Match of "within %{tx.allowed_http_versions}" against "REQUEST_PROTOCOL" required. [file "/etc/modsecurity/owasp-modsecurity-crs-3.2.0/rules/REQUEST-920-PROTOCOL-ENFORCEMENT.conf"] [line "972"] [id "920430"] [msg "HTTP protocol version is not allowed by policy"] [data "HTTP/1.0"] [severity "CRITICAL"] [ver "OWASP_CRS/3.2.0"] [tag "application-multi"] [tag "language-multi"] [tag "platform-multi"] [tag "attack-protocol"] [tag "OWASP_CRS"] [tag "OWASP_CRS/POLICY/PROTOCOL_NOT_ALLOWED"] [tag "WASCTC/WASC-21"] [tag "OWASP_TOP_10/A6"] [tag "PCI/6.5.10"] [hostname "103.27.207.197"] [uri "/"] [unique_id "XcJn6R0WPDkEpcCzdXYvVQAAAAI"]
...
2019-11-06 16:32:25
165.227.18.169 attackspam
Nov  6 01:27:40 mail sshd\[1640\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=165.227.18.169  user=root
...
2019-11-06 16:46:17
200.194.28.116 attackspam
Nov  6 07:46:51 marvibiene sshd[48026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.194.28.116  user=root
Nov  6 07:46:53 marvibiene sshd[48026]: Failed password for root from 200.194.28.116 port 37258 ssh2
Nov  6 07:46:55 marvibiene sshd[48026]: Failed password for root from 200.194.28.116 port 37258 ssh2
Nov  6 07:46:51 marvibiene sshd[48026]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=200.194.28.116  user=root
Nov  6 07:46:53 marvibiene sshd[48026]: Failed password for root from 200.194.28.116 port 37258 ssh2
Nov  6 07:46:55 marvibiene sshd[48026]: Failed password for root from 200.194.28.116 port 37258 ssh2
...
2019-11-06 16:16:51
54.38.241.162 attackbotsspam
Nov  6 09:53:05 server sshd\[19413\]: User root from 54.38.241.162 not allowed because listed in DenyUsers
Nov  6 09:53:05 server sshd\[19413\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.241.162  user=root
Nov  6 09:53:06 server sshd\[19413\]: Failed password for invalid user root from 54.38.241.162 port 45846 ssh2
Nov  6 09:57:25 server sshd\[544\]: Invalid user achim from 54.38.241.162 port 54754
Nov  6 09:57:25 server sshd\[544\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=54.38.241.162
2019-11-06 16:36:41
14.248.83.163 attackspambots
Nov  5 21:57:11 eddieflores sshd\[32214\]: Invalid user sammy from 14.248.83.163
Nov  5 21:57:11 eddieflores sshd\[32214\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.248.83.163
Nov  5 21:57:13 eddieflores sshd\[32214\]: Failed password for invalid user sammy from 14.248.83.163 port 47890 ssh2
Nov  5 22:02:36 eddieflores sshd\[32664\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=14.248.83.163  user=root
Nov  5 22:02:37 eddieflores sshd\[32664\]: Failed password for root from 14.248.83.163 port 57904 ssh2
2019-11-06 16:25:38
216.245.197.254 attack
Honeypot attack, port: 81, PTR: 254-197-245-216.static.reverse.lstn.net.
2019-11-06 16:08:41
159.65.12.204 attackbotsspam
Nov  6 08:57:12 MK-Soft-VM5 sshd[13846]: Failed password for root from 159.65.12.204 port 54738 ssh2
Nov  6 09:01:32 MK-Soft-VM5 sshd[13872]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=159.65.12.204 
...
2019-11-06 16:16:01
74.92.235.9 attack
RDP Bruteforce
2019-11-06 16:34:40
222.186.175.151 attackbots
F2B jail: sshd. Time: 2019-11-06 09:26:24, Reported by: VKReport
2019-11-06 16:27:35
182.61.43.179 attack
Nov  6 07:11:47 thevastnessof sshd[22955]: Failed password for invalid user ken from 182.61.43.179 port 41956 ssh2
Nov  6 07:22:25 thevastnessof sshd[23094]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.61.43.179
...
2019-11-06 16:45:53
144.34.221.47 attackspambots
Nov  6 07:23:50 icinga sshd[11608]: Failed password for root from 144.34.221.47 port 47682 ssh2
...
2019-11-06 16:42:48
142.93.212.131 attackspam
2019-11-06T02:19:32.2063371495-001 sshd\[41004\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.212.131  user=root
2019-11-06T02:19:34.2127641495-001 sshd\[41004\]: Failed password for root from 142.93.212.131 port 45188 ssh2
2019-11-06T02:24:10.2565101495-001 sshd\[41116\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.212.131  user=root
2019-11-06T02:24:12.0968751495-001 sshd\[41116\]: Failed password for root from 142.93.212.131 port 57868 ssh2
2019-11-06T02:28:52.6165721495-001 sshd\[41250\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=142.93.212.131  user=root
2019-11-06T02:28:54.1708611495-001 sshd\[41250\]: Failed password for root from 142.93.212.131 port 42320 ssh2
...
2019-11-06 16:31:12
45.136.109.174 attackbots
CloudCIX Reconnaissance Scan Detected, PTR: PTR record not found
2019-11-06 16:39:53
106.241.16.105 attackspambots
Nov  6 01:45:30 mailserver sshd[12169]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.241.16.105  user=r.r
Nov  6 01:45:32 mailserver sshd[12169]: Failed password for r.r from 106.241.16.105 port 20506 ssh2
Nov  6 01:45:33 mailserver sshd[12169]: Received disconnect from 106.241.16.105 port 20506:11: Bye Bye [preauth]
Nov  6 01:45:33 mailserver sshd[12169]: Disconnected from 106.241.16.105 port 20506 [preauth]
Nov  6 01:52:46 mailserver sshd[12587]: Invalid user cmartinez from 106.241.16.105
Nov  6 01:52:46 mailserver sshd[12587]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.241.16.105
Nov  6 01:52:48 mailserver sshd[12587]: Failed password for invalid user cmartinez from 106.241.16.105 port 40561 ssh2
Nov  6 01:52:49 mailserver sshd[12587]: Received disconnect from 106.241.16.105 port 40561:11: Bye Bye [preauth]
Nov  6 01:52:49 mailserver sshd[12587]: Disconnected from 106.241.........
-------------------------------
2019-11-06 16:41:14

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