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: Portugal

Internet Service Provider: IP Telecom Servicos de Telecomunicacoes S.A.

Hostname: unknown

Organization: unknown

Usage Type: Commercial

Comments:
Type Details Datetime
attackspambots
Nov 30 17:41:30 root sshd[15532]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.90.54.219 
Nov 30 17:41:32 root sshd[15532]: Failed password for invalid user adamsbob from 81.90.54.219 port 57318 ssh2
Nov 30 17:44:42 root sshd[15560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81.90.54.219 
...
2019-12-01 00:57:14
attack
Nov 28 19:26:57 server6 sshd[30042]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81-90-54-219.addr.refertelecom.pt  user=r.r
Nov 28 19:26:59 server6 sshd[30042]: Failed password for r.r from 81.90.54.219 port 33684 ssh2
Nov 28 19:26:59 server6 sshd[30042]: Received disconnect from 81.90.54.219: 11: Bye Bye [preauth]
Nov 28 19:46:44 server6 sshd[15634]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81-90-54-219.addr.refertelecom.pt
Nov 28 19:46:47 server6 sshd[15634]: Failed password for invalid user nang from 81.90.54.219 port 45481 ssh2
Nov 28 19:46:47 server6 sshd[15634]: Received disconnect from 81.90.54.219: 11: Bye Bye [preauth]
Nov 28 19:52:16 server6 sshd[20620]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=81-90-54-219.addr.refertelecom.pt
Nov 28 19:52:18 server6 sshd[20620]: Failed password for invalid user maik from 81.90.54.219 port........
-------------------------------
2019-11-29 16:42:28
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 81.90.54.219
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 26162
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			514	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019112900 1800 900 604800 86400

;; Query time: 400 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Nov 29 16:42:23 CST 2019
;; MSG SIZE  rcvd: 116
Host info
219.54.90.81.in-addr.arpa domain name pointer 81-90-54-219.addr.refertelecom.pt.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
219.54.90.81.in-addr.arpa	name = 81-90-54-219.addr.refertelecom.pt.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
74.208.229.166 attackspam
Port scan on 3 port(s): 2376 2377 4243
2019-12-06 19:40:17
49.247.132.79 attackspambots
Dec  6 11:44:13 cvbnet sshd[31110]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.247.132.79 
Dec  6 11:44:16 cvbnet sshd[31110]: Failed password for invalid user bas from 49.247.132.79 port 51654 ssh2
...
2019-12-06 19:23:47
181.41.216.136 attackbotsspam
SMTP blocked logins: 147. Dates: 26-11-2019 / 6-12-2019Logins on unknown users: 198. Dates: 26-11-2019 / 6-12-2019
2019-12-06 19:53:50
5.196.29.194 attackbots
2019-12-06T05:43:25.894356ns547587 sshd\[13830\]: Invalid user admin from 5.196.29.194 port 34781
2019-12-06T05:43:25.900185ns547587 sshd\[13830\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=194.ip-5-196-29.eu
2019-12-06T05:43:28.410016ns547587 sshd\[13830\]: Failed password for invalid user admin from 5.196.29.194 port 34781 ssh2
2019-12-06T05:51:09.220105ns547587 sshd\[23934\]: Invalid user test from 5.196.29.194 port 33419
...
2019-12-06 19:37:15
141.62.172.2 attackbots
Dec  3 23:15:20 cumulus sshd[24168]: Invalid user apache from 141.62.172.2 port 44695
Dec  3 23:15:20 cumulus sshd[24168]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.62.172.2
Dec  3 23:15:22 cumulus sshd[24168]: Failed password for invalid user apache from 141.62.172.2 port 44695 ssh2
Dec  3 23:15:23 cumulus sshd[24168]: Received disconnect from 141.62.172.2 port 44695:11: Bye Bye [preauth]
Dec  3 23:15:23 cumulus sshd[24168]: Disconnected from 141.62.172.2 port 44695 [preauth]
Dec  3 23:23:28 cumulus sshd[24382]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=141.62.172.2  user=r.r
Dec  3 23:23:30 cumulus sshd[24382]: Failed password for r.r from 141.62.172.2 port 46133 ssh2
Dec  3 23:23:30 cumulus sshd[24382]: Received disconnect from 141.62.172.2 port 46133:11: Bye Bye [preauth]
Dec  3 23:23:30 cumulus sshd[24382]: Disconnected from 141.62.172.2 port 46133 [preauth]


........
-----------------------------------------
2019-12-06 19:32:00
72.94.181.219 attack
Too many connections or unauthorized access detected from Arctic banned ip
2019-12-06 19:41:47
104.244.72.98 attackbots
k+ssh-bruteforce
2019-12-06 19:40:41
125.124.152.59 attackbots
Dec  6 12:11:25 legacy sshd[8749]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.124.152.59
Dec  6 12:11:28 legacy sshd[8749]: Failed password for invalid user hoggan from 125.124.152.59 port 47644 ssh2
Dec  6 12:21:00 legacy sshd[9137]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=125.124.152.59
...
2019-12-06 19:32:47
218.92.0.156 attackbotsspam
Dec  6 01:43:08 php1 sshd\[19588\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.156  user=root
Dec  6 01:43:10 php1 sshd\[19588\]: Failed password for root from 218.92.0.156 port 1970 ssh2
Dec  6 01:43:13 php1 sshd\[19588\]: Failed password for root from 218.92.0.156 port 1970 ssh2
Dec  6 01:43:16 php1 sshd\[19588\]: Failed password for root from 218.92.0.156 port 1970 ssh2
Dec  6 01:43:26 php1 sshd\[19610\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=218.92.0.156  user=root
2019-12-06 19:51:31
180.66.207.67 attackspambots
Dec  6 16:52:57 webhost01 sshd[19824]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=180.66.207.67
Dec  6 16:52:59 webhost01 sshd[19824]: Failed password for invalid user wayne from 180.66.207.67 port 48734 ssh2
...
2019-12-06 19:45:06
222.252.45.133 attack
Port 1433 Scan
2019-12-06 19:37:52
163.172.204.185 attackspambots
Dec  6 11:12:53 markkoudstaal sshd[23747]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.204.185
Dec  6 11:12:55 markkoudstaal sshd[23747]: Failed password for invalid user haagensli from 163.172.204.185 port 58587 ssh2
Dec  6 11:20:51 markkoudstaal sshd[24652]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=163.172.204.185
2019-12-06 19:28:04
51.158.110.70 attackspam
2019-12-06T11:23:41.851519abusebot-5.cloudsearch.cf sshd\[25172\]: Invalid user 123456 from 51.158.110.70 port 37146
2019-12-06 19:36:43
58.221.60.145 attackspambots
Dec  6 13:42:00 server sshd\[32008\]: Invalid user mignone from 58.221.60.145
Dec  6 13:42:00 server sshd\[32008\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.221.60.145 
Dec  6 13:42:02 server sshd\[32008\]: Failed password for invalid user mignone from 58.221.60.145 port 39490 ssh2
Dec  6 13:55:30 server sshd\[3353\]: Invalid user domke from 58.221.60.145
Dec  6 13:55:30 server sshd\[3353\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=58.221.60.145 
...
2019-12-06 19:47:22
31.14.128.73 attackspambots
Automatic report - XMLRPC Attack
2019-12-06 19:43:22

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