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: Spain

Internet Service Provider: Telefonica de Espana Sau

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attack
Jun  1 15:58:12 srv-ubuntu-dev3 sshd[99372]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.55.196.100  user=root
Jun  1 15:58:13 srv-ubuntu-dev3 sshd[99372]: Failed password for root from 83.55.196.100 port 35224 ssh2
Jun  1 16:00:14 srv-ubuntu-dev3 sshd[99730]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.55.196.100  user=root
Jun  1 16:00:17 srv-ubuntu-dev3 sshd[99730]: Failed password for root from 83.55.196.100 port 50390 ssh2
Jun  1 16:02:17 srv-ubuntu-dev3 sshd[100115]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.55.196.100  user=root
Jun  1 16:02:19 srv-ubuntu-dev3 sshd[100115]: Failed password for root from 83.55.196.100 port 37322 ssh2
Jun  1 16:04:20 srv-ubuntu-dev3 sshd[100453]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=83.55.196.100  user=root
Jun  1 16:04:22 srv-ubuntu-dev3 sshd[100453]: Fail
...
2020-06-01 22:58:59
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 83.55.196.100
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 34092
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			337	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2020060100 1800 900 604800 86400

;; Query time: 49 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Jun 01 22:58:54 CST 2020
;; MSG SIZE  rcvd: 117
Host info
100.196.55.83.in-addr.arpa domain name pointer 100.red-83-55-196.dynamicip.rima-tde.net.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
100.196.55.83.in-addr.arpa	name = 100.red-83-55-196.dynamicip.rima-tde.net.

Authoritative answers can be found from:
Related IP info:
Related comments:
IP Type Details Datetime
198.108.66.225 attackspam
Multiport scan 49 ports : 102 445 3121 3306 7433 7687 7771 8123 8249 9059 9119 9123 9149 9163 9166 9171 9183 9259 9290 9351 9358 9405 9406 9425 9486 9516 9528 9645 9647 9722 9738 9833 9861 9901 9937 9975 9993 10042 10045 12296 12300 12407 12580 18068 18070 20325 21248 24510 45788
2020-04-02 08:38:22
139.59.75.111 attack
Apr  2 01:09:32 vmd26974 sshd[6698]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=139.59.75.111
Apr  2 01:09:34 vmd26974 sshd[6698]: Failed password for invalid user gj from 139.59.75.111 port 36352 ssh2
...
2020-04-02 08:49:35
84.39.183.160 attackbotsspam
Automatic report - Port Scan Attack
2020-04-02 08:40:32
148.70.72.242 attackbotsspam
Apr  2 01:24:51 hosting sshd[24164]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=148.70.72.242  user=root
Apr  2 01:24:52 hosting sshd[24164]: Failed password for root from 148.70.72.242 port 38576 ssh2
...
2020-04-02 08:46:32
170.247.1.156 attackspam
TCP src-port=53719   dst-port=25   Listed on   dnsbl-sorbs abuseat-org spamcop       (Project Honey Pot rated Suspicious & Spammer)   (305)
2020-04-02 08:49:21
106.12.186.74 attack
Apr  2 00:22:20 raspberrypi sshd\[16736\]: Failed password for root from 106.12.186.74 port 57684 ssh2Apr  2 00:33:46 raspberrypi sshd\[22526\]: Invalid user student from 106.12.186.74Apr  2 00:33:47 raspberrypi sshd\[22526\]: Failed password for invalid user student from 106.12.186.74 port 34374 ssh2
...
2020-04-02 08:46:55
61.161.236.202 attackspam
Invalid user yrb from 61.161.236.202 port 35241
2020-04-02 08:23:51
164.164.165.8 attackspambots
Apr  1 00:50:23 mailserver sshd[26671]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.164.165.8  user=r.r
Apr  1 00:50:25 mailserver sshd[26671]: Failed password for r.r from 164.164.165.8 port 35914 ssh2
Apr  1 00:50:25 mailserver sshd[26671]: Received disconnect from 164.164.165.8 port 35914:11: Bye Bye [preauth]
Apr  1 00:50:25 mailserver sshd[26671]: Disconnected from 164.164.165.8 port 35914 [preauth]
Apr  1 00:55:39 mailserver sshd[27072]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=164.164.165.8  user=r.r
Apr  1 00:55:41 mailserver sshd[27072]: Failed password for r.r from 164.164.165.8 port 60328 ssh2
Apr  1 00:55:41 mailserver sshd[27072]: Received disconnect from 164.164.165.8 port 60328:11: Bye Bye [preauth]
Apr  1 00:55:41 mailserver sshd[27072]: Disconnected from 164.164.165.8 port 60328 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=164.164.165.
2020-04-02 08:33:31
123.206.41.12 attack
Invalid user hz from 123.206.41.12 port 57152
2020-04-02 08:35:46
41.141.252.202 attack
2020-04-02 01:04:24,392 fail2ban.actions: WARNING [ssh] Ban 41.141.252.202
2020-04-02 08:52:27
124.156.103.155 attackbotsspam
Invalid user ftptest from 124.156.103.155 port 47056
2020-04-02 08:53:52
110.235.245.131 attackspambots
Invalid user qqp from 110.235.245.131 port 57036
2020-04-02 08:48:27
45.155.126.33 attackbotsspam
TCP src-port=52725   dst-port=25   Listed on   dnsbl-sorbs barracuda spamcop       (Project Honey Pot rated Suspicious)   (303)
2020-04-02 08:55:00
94.177.214.200 attackbots
2020-04-01T22:59:44.867172Z bfdd45b7d91b New connection: 94.177.214.200:43870 (172.17.0.3:2222) [session: bfdd45b7d91b]
2020-04-01T23:13:36.380506Z 2a118c481792 New connection: 94.177.214.200:39214 (172.17.0.3:2222) [session: 2a118c481792]
2020-04-02 08:30:16
178.254.0.104 attackbotsspam
xmlrpc attack
2020-04-02 08:27:05

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