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 Kingdom

Internet Service Provider: British Telecommunications PLC

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attack
Jan 23 09:43:02 tdfoods sshd\[21053\]: Invalid user control from 81.137.199.19
Jan 23 09:43:02 tdfoods sshd\[21053\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host81-137-199-19.in-addr.btopenworld.com
Jan 23 09:43:04 tdfoods sshd\[21053\]: Failed password for invalid user control from 81.137.199.19 port 53368 ssh2
Jan 23 09:47:01 tdfoods sshd\[21355\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host81-137-199-19.in-addr.btopenworld.com  user=root
Jan 23 09:47:03 tdfoods sshd\[21355\]: Failed password for root from 81.137.199.19 port 35415 ssh2
2020-01-24 04:01:51
attackbotsspam
Sep 11 07:57:06 hb sshd\[18057\]: Invalid user teamspeak3 from 81.137.199.19
Sep 11 07:57:06 hb sshd\[18057\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host81-137-199-19.in-addr.btopenworld.com
Sep 11 07:57:09 hb sshd\[18057\]: Failed password for invalid user teamspeak3 from 81.137.199.19 port 37562 ssh2
Sep 11 07:58:28 hb sshd\[18214\]: Invalid user testtest from 81.137.199.19
Sep 11 07:58:28 hb sshd\[18214\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host81-137-199-19.in-addr.btopenworld.com
2019-09-11 16:42:19
attackspambots
Aug  1 20:17:38 webhost01 sshd[17586]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.137.199.19
Aug  1 20:17:40 webhost01 sshd[17586]: Failed password for invalid user neptun from 81.137.199.19 port 57142 ssh2
...
2019-08-02 04:36:10
attack
Jul 31 20:46:30 lnxded64 sshd[24815]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.137.199.19
2019-08-01 05:49:56
attackbotsspam
Jul 16 16:07:26 ns37 sshd[25306]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.137.199.19
2019-07-17 01:28:27
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 81.137.199.19
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 11588
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			2236	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019032900 1800 900 604800 86400

;; Query time: 0 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Fri Mar 29 15:08:25 +08 2019
;; MSG SIZE  rcvd: 117

Host info
19.199.137.81.in-addr.arpa domain name pointer host81-137-199-19.in-addr.btopenworld.com.
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

Non-authoritative answer:
19.199.137.81.in-addr.arpa	name = host81-137-199-19.in-addr.btopenworld.com.

Authoritative answers can be found from:

Related IP info:
Related comments:
IP Type Details Datetime
106.12.92.246 attackbotsspam
Invalid user UBNT from 106.12.92.246 port 53464
2020-04-11 07:23:32
118.25.16.40 attack
2020-04-10 23:48:17,051 fail2ban.actions: WARNING [ssh] Ban 118.25.16.40
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180.76.102.226 attackbotsspam
k+ssh-bruteforce
2020-04-11 06:56:37
112.85.42.94 attackspam
SSH Brute Force
2020-04-11 07:19:32
164.132.73.220 attackspam
Apr 10 22:34:13 debian-2gb-nbg1-2 kernel: \[8809859.678968\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=164.132.73.220 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=241 ID=14771 PROTO=TCP SPT=43198 DPT=24338 WINDOW=1024 RES=0x00 SYN URGP=0
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211.169.249.231 attack
SSH Brute Force
2020-04-11 07:01:12
115.159.115.17 attackspambots
SSH Invalid Login
2020-04-11 07:19:08
49.236.195.150 attackbots
SSH Invalid Login
2020-04-11 07:00:10
5.196.229.117 attackspam
$f2bV_matches
2020-04-11 06:55:40
171.244.43.52 attack
SSH Brute Force
2020-04-11 07:08:18
125.163.162.149 attackspambots
Port probing on unauthorized port 8080
2020-04-11 06:47:00
182.76.74.78 attack
Apr 11 00:21:54 vpn01 sshd[26720]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=182.76.74.78
Apr 11 00:21:56 vpn01 sshd[26720]: Failed password for invalid user master from 182.76.74.78 port 40623 ssh2
...
2020-04-11 07:04:48
106.54.114.208 attackspambots
Apr 10 05:23:45: Invalid user postgres from 106.54.114.208 port 60864
2020-04-11 07:21:57
192.3.236.67 attackspambots
Apr 11 00:24:08 pornomens sshd\[8754\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.3.236.67  user=root
Apr 11 00:24:10 pornomens sshd\[8754\]: Failed password for root from 192.3.236.67 port 33919 ssh2
Apr 11 00:50:08 pornomens sshd\[8959\]: Invalid user oracle from 192.3.236.67 port 54700
Apr 11 00:50:08 pornomens sshd\[8959\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=192.3.236.67
...
2020-04-11 07:03:01
88.136.186.185 attackspam
SASL PLAIN auth failed: ruser=...
2020-04-11 06:59:41

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