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: Italy

Internet Service Provider: Telecom Italia S.p.A.

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attackspambots
2019-12-31T07:25:22.634900vps751288.ovh.net sshd\[5037\]: Invalid user pi from 79.51.100.199 port 46320
2019-12-31T07:25:22.701162vps751288.ovh.net sshd\[5037\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host199-100-dynamic.51-79-r.retail.telecomitalia.it
2019-12-31T07:25:22.836297vps751288.ovh.net sshd\[5039\]: Invalid user pi from 79.51.100.199 port 46322
2019-12-31T07:25:22.915680vps751288.ovh.net sshd\[5039\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=host199-100-dynamic.51-79-r.retail.telecomitalia.it
2019-12-31T07:25:24.718682vps751288.ovh.net sshd\[5037\]: Failed password for invalid user pi from 79.51.100.199 port 46320 ssh2
2019-12-31 17:29:56
attackbots
Dec 23 21:44:59 zimbra sshd[12560]: Invalid user pi from 79.51.100.199
Dec 23 21:44:59 zimbra sshd[12560]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.51.100.199
Dec 23 21:44:59 zimbra sshd[12567]: Invalid user pi from 79.51.100.199
Dec 23 21:44:59 zimbra sshd[12567]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=79.51.100.199
Dec 23 21:45:00 zimbra sshd[12560]: Failed password for invalid user pi from 79.51.100.199 port 35122 ssh2
Dec 23 21:45:01 zimbra sshd[12560]: Connection closed by 79.51.100.199 port 35122 [preauth]
Dec 23 21:45:01 zimbra sshd[12567]: Failed password for invalid user pi from 79.51.100.199 port 35124 ssh2
Dec 23 21:45:01 zimbra sshd[12567]: Connection closed by 79.51.100.199 port 35124 [preauth]


........
-----------------------------------------------
https://www.blocklist.de/en/view.html?ip=79.51.100.199
2019-12-28 14:11:34
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
b
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 79.51.100.199
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 44095
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			484	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019122800 1800 900 604800 86400

;; Query time: 113 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sat Dec 28 14:11:29 CST 2019
;; MSG SIZE  rcvd: 117
Host info
199.100.51.79.in-addr.arpa domain name pointer host199-100-dynamic.51-79-r.retail.telecomitalia.it.
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

Non-authoritative answer:
*** Can't find 199.100.51.79.in-addr.arpa.: No answer

Authoritative answers can be found from:

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