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: 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 '221.0.0.0 - 221.3.127.255'

% Abuse contact for '221.0.0.0 - 221.3.127.255' is 'hqs-ipabuse@chinaunicom.cn'

inetnum:        221.0.0.0 - 221.3.127.255
netname:        UNICOM-SD
descr:          China Unicom Shandong province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         XZ14-AP
abuse-c:        AC1718-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CNCGROUP-SD
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2025-01-22T13:20:23Z
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:         XIAOFENG ZHANG
nic-hdl:        XZ14-AP
e-mail:         ip@pub.sd.cninfo.net
address:        Jinan,Shandong P.R China
phone:          +86-531-6666666
fax-no:         +86-531-6666666
country:        CN
mnt-by:         MAINT-ZXF
last-modified:  2008-09-04T07:29:35Z
source:         APNIC

% Information related to '221.3.0.0/17AS4837'

route:          221.3.0.0/17
descr:          CNC Group CHINA169 Shandong Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:44Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-AU5)
Dig info:
; <<>> DiG 9.10.3-P4-Ubuntu <<>> 221.3.57.47
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 64395
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;221.3.57.47.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026102500 1800 900 604800 86400

;; Query time: 6 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Sun Oct 25 16:00:36 CST 2026
;; MSG SIZE  rcvd: 104
Host info
Host 47.57.3.221.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 47.57.3.221.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
94.23.70.116 attackspambots
Jan  7 04:55:09 eddieflores sshd\[13763\]: Invalid user uqg from 94.23.70.116
Jan  7 04:55:09 eddieflores sshd\[13763\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.70.116
Jan  7 04:55:12 eddieflores sshd\[13763\]: Failed password for invalid user uqg from 94.23.70.116 port 59287 ssh2
Jan  7 05:04:48 eddieflores sshd\[14542\]: Invalid user cuigj from 94.23.70.116
Jan  7 05:04:48 eddieflores sshd\[14542\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=94.23.70.116
2020-01-07 23:17:23
185.164.72.217 attackbotsspam
Unauthorised access (Jan  7) SRC=185.164.72.217 LEN=40 TTL=244 ID=24435 TCP DPT=3389 WINDOW=1024 SYN 
Unauthorised access (Jan  6) SRC=185.164.72.217 LEN=40 TTL=244 ID=55080 TCP DPT=3389 WINDOW=1024 SYN 
Unauthorised access (Jan  5) SRC=185.164.72.217 LEN=40 TTL=244 ID=2332 TCP DPT=3389 WINDOW=1024 SYN
2020-01-07 23:30:31
196.52.43.51 attackbots
Unauthorized connection attempt detected from IP address 196.52.43.51 to port 118
2020-01-07 23:02:05
200.151.126.130 attack
Unauthorized connection attempt from IP address 200.151.126.130 on Port 445(SMB)
2020-01-07 23:07:35
220.137.161.89 attackbots
Unauthorized connection attempt from IP address 220.137.161.89 on Port 445(SMB)
2020-01-07 22:48:38
197.50.199.23 attackbots
Unauthorized connection attempt from IP address 197.50.199.23 on Port 445(SMB)
2020-01-07 23:19:52
122.15.82.92 attackspambots
Jan  7 04:34:50 wbs sshd\[16341\]: Invalid user demo from 122.15.82.92
Jan  7 04:34:50 wbs sshd\[16341\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.15.82.92
Jan  7 04:34:51 wbs sshd\[16341\]: Failed password for invalid user demo from 122.15.82.92 port 50544 ssh2
Jan  7 04:38:12 wbs sshd\[16736\]: Invalid user aatul from 122.15.82.92
Jan  7 04:38:12 wbs sshd\[16736\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=122.15.82.92
2020-01-07 22:55:52
88.148.41.192 attack
Automatic report - Port Scan Attack
2020-01-07 23:01:01
202.131.176.233 attack
Unauthorized connection attempt detected from IP address 202.131.176.233 to port 23 [J]
2020-01-07 23:03:49
54.39.138.251 attack
Unauthorized connection attempt detected from IP address 54.39.138.251 to port 2220 [J]
2020-01-07 23:00:00
13.233.85.35 attackbots
Unauthorized connection attempt detected from IP address 13.233.85.35 to port 2220 [J]
2020-01-07 22:57:16
106.75.47.137 attack
Unauthorized connection attempt detected from IP address 106.75.47.137 to port 22 [T]
2020-01-07 22:50:09
46.119.180.141 attack
46.119.180.141 - - [07/Jan/2020:15:32:26 +0100] "POST //wp-login.php HTTP/1.1" 200 6655 "http://www.thinklarge.fr//wp-login.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
46.119.180.141 - - [07/Jan/2020:15:32:26 +0100] "POST //wp-login.php HTTP/1.1" 200 6655 "http://www.thinklarge.fr//wp-login.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
46.119.180.141 - - [07/Jan/2020:15:32:26 +0100] "POST //wp-login.php HTTP/1.1" 200 6655 "http://www.thinklarge.fr//wp-login.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
46.119.180.141 - - [07/Jan/2020:15:32:26 +0100] "POST //wp-login.php HTTP/1.1" 200 6655 "http://www.thinklarge.fr//wp-login.php" "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/78.0.3904.97 Safari/537.36"
46.119.180.141 - - [07/Jan/2020:15:32:27
2020-01-07 23:00:32
202.154.180.51 attackbots
Jan  7 15:11:17 ns392434 sshd[31855]: Invalid user guest7 from 202.154.180.51 port 42547
Jan  7 15:11:17 ns392434 sshd[31855]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.154.180.51
Jan  7 15:11:17 ns392434 sshd[31855]: Invalid user guest7 from 202.154.180.51 port 42547
Jan  7 15:11:18 ns392434 sshd[31855]: Failed password for invalid user guest7 from 202.154.180.51 port 42547 ssh2
Jan  7 15:35:59 ns392434 sshd[32123]: Invalid user testuser from 202.154.180.51 port 51322
Jan  7 15:35:59 ns392434 sshd[32123]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=202.154.180.51
Jan  7 15:35:59 ns392434 sshd[32123]: Invalid user testuser from 202.154.180.51 port 51322
Jan  7 15:36:01 ns392434 sshd[32123]: Failed password for invalid user testuser from 202.154.180.51 port 51322 ssh2
Jan  7 15:39:44 ns392434 sshd[32200]: Invalid user shuo from 202.154.180.51 port 38701
2020-01-07 23:30:01
176.31.110.213 attackspambots
Jan  7 05:10:04 hpm sshd\[7046\]: Invalid user nhk from 176.31.110.213
Jan  7 05:10:04 hpm sshd\[7046\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns322356.ip-176-31-110.eu
Jan  7 05:10:06 hpm sshd\[7046\]: Failed password for invalid user nhk from 176.31.110.213 port 59254 ssh2
Jan  7 05:16:35 hpm sshd\[7529\]: Invalid user yx from 176.31.110.213
Jan  7 05:16:35 hpm sshd\[7529\]: pam_unix\(sshd:auth\): authentication failure\; logname= uid=0 euid=0 tty=ssh ruser= rhost=ns322356.ip-176-31-110.eu
2020-01-07 23:22:22

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