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: China

Internet Service Provider: ChinaNet Hunan Province Network

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
Type Details Datetime
attack
Jul  1 12:12:08 itv-usvr-02 sshd[30875]: Invalid user squid from 175.6.66.48 port 29374
Jul  1 12:12:08 itv-usvr-02 sshd[30875]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=175.6.66.48
Jul  1 12:12:08 itv-usvr-02 sshd[30875]: Invalid user squid from 175.6.66.48 port 29374
Jul  1 12:12:09 itv-usvr-02 sshd[30875]: Failed password for invalid user squid from 175.6.66.48 port 29374 ssh2
Jul  1 12:16:26 itv-usvr-02 sshd[30891]: Invalid user seller from 175.6.66.48 port 11080
2019-07-01 19:01:00
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
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Dig info:

; <<>> DiG 9.10.3-P4-Ubuntu <<>> 175.6.66.48
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 52325
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1

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

;; AUTHORITY SECTION:
.			3600	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2019032900 1800 900 604800 86400

;; Query time: 2 msec
;; SERVER: 67.207.67.3#53(67.207.67.3)
;; WHEN: Fri Mar 29 15:30:18 +08 2019
;; MSG SIZE  rcvd: 115

Host info
Host 48.66.6.175.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		67.207.67.3
Address:	67.207.67.3#53

** server can't find 48.66.6.175.in-addr.arpa: NXDOMAIN

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