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: Shanghai

Region: Shanghai

Country: China

Internet Service Provider: unknown

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 '175.0.0.0 - 175.15.255.255'

% Abuse contact for '175.0.0.0 - 175.15.255.255' is 'anti-spam@chinatelecom.cn'

inetnum:        175.0.0.0 - 175.15.255.255
netname:        CHINANET-HN
descr:          CHINANET HUNAN PROVINCE NETWORK
descr:          China Telecom
descr:          No.31,jingrong street
descr:          Beijing 100032
country:        CN
admin-c:        CH93-AP
tech-c:         CH636-AP
abuse-c:        AC1573-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-CHINANET-HN
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:04:51Z
source:         APNIC

irt:            IRT-CHINANET-CN
address:        No.31 ,jingrong street,beijing
address:        100032
e-mail:         anti-spam@chinatelecom.cn
abuse-mailbox:  anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
auth:           # Filtered
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
mnt-by:         MAINT-CHINANET
last-modified:  2026-05-21T01:31:36Z
source:         APNIC

role:           ABUSE CHINANETCN
country:        ZZ
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +000000000
e-mail:         anti-spam@chinatelecom.cn
admin-c:        CH93-AP
tech-c:         CH93-AP
nic-hdl:        AC1573-AP
remarks:        Generated from irt object IRT-CHINANET-CN
remarks:        anti-spam@chinatelecom.cn was validated on 2026-05-21
abuse-mailbox:  anti-spam@chinatelecom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-21T01:32:00Z
source:         APNIC

role:           CHINANET HUNAN
address:        No.1 TuanJie road,ChangSha,Hunan 410005
country:        CN
phone:          +86 731 4792092
fax-no:         +86 731 4792007
e-mail:         13348615181@189.cn
remarks:        send spam reports to 13348615181@189.cn
remarks:        and abuse reports to 13348615181@189.cn
remarks:        Please include detailed information and
remarks:        times in UTC
admin-c:        CH632-AP
tech-c:         CS499-AP
nic-hdl:        CH636-AP
mnt-by:         MAINT-CHINANET-HN
last-modified:  2020-07-02T13:36:27Z
source:         APNIC

person:         Chinanet Hostmaster
nic-hdl:        CH93-AP
e-mail:         anti-spam@chinatelecom.cn
address:        No.31 ,jingrong street,beijing
address:        100032
phone:          +86-10-58501724
fax-no:         +86-10-58501724
country:        CN
mnt-by:         MAINT-CHINANET
last-modified:  2022-02-28T06:53:44Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU4)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 175.6.54.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 23724
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;175.6.54.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026081700 1800 900 604800 86400

;; Query time: 7 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Mon Aug 17 18:01:32 CST 2026
;; MSG SIZE  rcvd: 104
Host info
Host 21.54.6.175.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.54.6.175.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
112.84.91.44 attackspam
$f2bV_matches
2020-02-09 07:37:50
158.69.11.75 attack
Honeypot attack, port: 445, PTR: PTR record not found
2020-02-09 07:33:27
187.138.28.59 attack
Unauthorized connection attempt from IP address 187.138.28.59 on Port 445(SMB)
2020-02-09 07:50:55
185.176.27.254 attack
02/08/2020-18:33:53.168162 185.176.27.254 Protocol: 6 ET SCAN NMAP -sS window 1024
2020-02-09 07:54:03
45.227.253.186 attackspam
21 attempts against mh_ha-misbehave-ban on steel
2020-02-09 07:42:38
106.13.45.187 attackspambots
Feb  8 23:57:42 srv-ubuntu-dev3 sshd[20898]: Invalid user ebt from 106.13.45.187
Feb  8 23:57:42 srv-ubuntu-dev3 sshd[20898]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.45.187
Feb  8 23:57:42 srv-ubuntu-dev3 sshd[20898]: Invalid user ebt from 106.13.45.187
Feb  8 23:57:43 srv-ubuntu-dev3 sshd[20898]: Failed password for invalid user ebt from 106.13.45.187 port 54762 ssh2
Feb  9 00:01:17 srv-ubuntu-dev3 sshd[22421]: Invalid user fri from 106.13.45.187
Feb  9 00:01:17 srv-ubuntu-dev3 sshd[22421]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=106.13.45.187
Feb  9 00:01:17 srv-ubuntu-dev3 sshd[22421]: Invalid user fri from 106.13.45.187
Feb  9 00:01:19 srv-ubuntu-dev3 sshd[22421]: Failed password for invalid user fri from 106.13.45.187 port 52822 ssh2
Feb  9 00:04:54 srv-ubuntu-dev3 sshd[22681]: Invalid user lha from 106.13.45.187
...
2020-02-09 07:17:28
158.101.0.176 attack
Feb  9 00:00:07 legacy sshd[12014]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.101.0.176
Feb  9 00:00:09 legacy sshd[12014]: Failed password for invalid user lsn from 158.101.0.176 port 56922 ssh2
Feb  9 00:04:58 legacy sshd[12268]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=158.101.0.176
...
2020-02-09 07:12:48
198.108.66.96 attackspambots
Unauthorized connection attempt from IP address 198.108.66.96 on Port 25(SMTP)
2020-02-09 07:38:56
82.64.9.246 attack
TCP port 1202: Scan and connection
2020-02-09 07:45:13
14.225.5.198 attack
trying to access non-authorized port
2020-02-09 07:37:03
114.236.126.252 attackbots
Feb  9 00:04:29 vps670341 sshd[17939]: Invalid user admin from 114.236.126.252 port 36049
2020-02-09 07:43:30
195.91.216.244 attackspam
Unauthorized connection attempt from IP address 195.91.216.244 on Port 445(SMB)
2020-02-09 07:44:29
210.245.34.146 attackspam
Unauthorized connection attempt from IP address 210.245.34.146 on Port 445(SMB)
2020-02-09 07:34:34
42.98.221.191 attack
Honeypot attack, port: 5555, PTR: 42-98-221-191.static.netvigator.com.
2020-02-09 07:39:29
49.88.112.116 attack
Feb  9 00:28:33 localhost sshd\[5434\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.88.112.116  user=root
Feb  9 00:28:35 localhost sshd\[5434\]: Failed password for root from 49.88.112.116 port 37520 ssh2
Feb  9 00:28:36 localhost sshd\[5434\]: Failed password for root from 49.88.112.116 port 37520 ssh2
2020-02-09 07:30:20

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