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: Guangzhou

Region: Guangdong

Country: China

Internet Service Provider: China Unicom

Hostname: unknown

Organization: unknown

Usage Type: unknown

Comments:
No discussion about this IP yet. Click above link to make one.
Comments on same subnet:
No discussion about this subnet yet..
Whois info:
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to '163.204.0.0 - 163.204.255.255'

% Abuse contact for '163.204.0.0 - 163.204.255.255' is 'hqs-ipabuse@chinaunicom.cn'

inetnum:        163.204.0.0 - 163.204.255.255
netname:        UNICOM-GD
descr:          China Unicom Guangdong province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         RP181-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
remarks:        service provider
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP-GD
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2025-01-22T13:18:37Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         hqs-ipabuse@chinaunicom.cn
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-08-19T00:57:22Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         hqs-ipabuse@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        hqs-ipabuse@chinaunicom.cn was validated on 2026-08-19
abuse-mailbox:  hqs-ipabuse@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-20T03:22:23Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

person:         runkeng pan
nic-hdl:        RP181-AP
e-mail:         gdipnoc@chinaunicom.cn
address:        XinShiKong Plaza,No 666 Huangpu Rd. Guangzhou 510627,China
phone:          +86-20-22214174
fax-no:         +86-20-22212266-4174
country:        CN
mnt-by:         MAINT-CNCGROUP-GD
last-modified:  2015-12-16T03:32:02Z
source:         APNIC

% Information related to '163.204.0.0/16AS17816'

route:          163.204.0.0/16
descr:          China Unicom Guangdong Province Network
country:        CN
origin:         AS17816
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2011-04-22T07:04:02Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-US2)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 163.204.64.175
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 56256
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;163.204.64.175.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026090100 1800 900 604800 86400

;; Query time: 8 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Wed Sep 02 01:30:34 CST 2026
;; MSG SIZE  rcvd: 107
Host info
Host 175.64.204.163.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 175.64.204.163.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
38.102.172.56 attackspam
Invalid user cmz from 38.102.172.56 port 9446
2020-06-24 07:12:46
36.238.156.166 attackspam
Port probing on unauthorized port 2323
2020-06-24 07:19:54
200.41.188.82 attackbots
Unauthorized connection attempt from IP address 200.41.188.82 on Port 445(SMB)
2020-06-24 07:01:32
212.70.149.2 attackbots
Jun 24 00:52:58 srv01 postfix/smtpd\[8771\]: warning: unknown\[212.70.149.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 24 00:53:11 srv01 postfix/smtpd\[7509\]: warning: unknown\[212.70.149.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 24 00:53:26 srv01 postfix/smtpd\[8771\]: warning: unknown\[212.70.149.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 24 00:53:42 srv01 postfix/smtpd\[8771\]: warning: unknown\[212.70.149.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
Jun 24 00:53:46 srv01 postfix/smtpd\[13028\]: warning: unknown\[212.70.149.2\]: SASL LOGIN authentication failed: UGFzc3dvcmQ6
...
2020-06-24 06:58:07
71.6.232.6 attackspambots
 UDP 71.6.232.6:54858 -> port 123, len 40
2020-06-24 07:25:02
153.190.20.99 attack
Automatic report - Banned IP Access
2020-06-24 06:54:28
203.109.44.156 attackbotsspam
Port probing on unauthorized port 23
2020-06-24 06:52:43
41.32.243.218 attackbots
20/6/23@16:32:29: FAIL: Alarm-Network address from=41.32.243.218
...
2020-06-24 07:10:54
36.91.215.94 attackspam
Automatic report - XMLRPC Attack
2020-06-24 07:05:08
85.110.150.8 attackbots
Automatic report - Port Scan Attack
2020-06-24 07:01:48
3.22.235.191 attack
20 attempts against mh-ssh on hail
2020-06-24 07:05:36
51.140.182.205 attack
Jun 24 01:05:54 ns3042688 postfix/smtpd\[16652\]: warning: unknown\[51.140.182.205\]: SASL LOGIN authentication failed: encryption needed to use mechanism
Jun 24 01:07:42 ns3042688 postfix/smtpd\[16947\]: warning: unknown\[51.140.182.205\]: SASL LOGIN authentication failed: encryption needed to use mechanism
Jun 24 01:09:29 ns3042688 postfix/smtpd\[17075\]: warning: unknown\[51.140.182.205\]: SASL LOGIN authentication failed: encryption needed to use mechanism
Jun 24 01:11:16 ns3042688 postfix/smtpd\[17163\]: warning: unknown\[51.140.182.205\]: SASL LOGIN authentication failed: encryption needed to use mechanism
Jun 24 01:13:04 ns3042688 postfix/smtpd\[17316\]: warning: unknown\[51.140.182.205\]: SASL LOGIN authentication failed: encryption needed to use mechanism
...
2020-06-24 07:26:48
107.173.219.50 attackspam
Jun 23 17:24:26 ny01 sshd[17981]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.219.50
Jun 23 17:24:28 ny01 sshd[17981]: Failed password for invalid user ntn from 107.173.219.50 port 53235 ssh2
Jun 23 17:29:05 ny01 sshd[19023]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=107.173.219.50
2020-06-24 07:07:35
155.94.143.121 attackspambots
" "
2020-06-24 07:28:25
192.241.224.37 attack
Port Scan detected!
...
2020-06-24 07:21:29

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