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: Changchun

Region: Jilin

Country: China

Internet Service Provider: China Telecom

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 '123.172.0.0 - 123.173.255.255'

% Abuse contact for '123.172.0.0 - 123.173.255.255' is 'anti-spam@chinatelecom.cn'

inetnum:        123.172.0.0 - 123.173.255.255
netname:        CHINANET-JL
descr:          CHINANET JILIN PROVINCE NETWORK
descr:          JILIN Telecom Corporation
descr:          NO.2136 DONG-NAN-HU ROAD,JINGKAI
descr:          DISTRICT,CHANGCHUN 130000
country:        CN
admin-c:        YL1057-AP
tech-c:         YL1057-AP
abuse-c:        AC1573-AP
status:         ALLOCATED PORTABLE
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
mnt-lower:      MAINT-CHINANET-JL
mnt-routes:     MAINT-CHINANET-JL
mnt-irt:        IRT-CHINANET-CN
last-modified:  2021-06-15T08:05:41Z
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

person:         YI LU
nic-hdl:        YL1057-AP
e-mail:         18943124057@189.cn
address:        No.2136,Southeast lake  Street,Changchun,130042,Jilin
phone:          +86-431-85880000
fax-no:         +86-431-5881234
country:        CN
mnt-by:         MAINT-CHINANET-JL
last-modified:  2019-11-13T03:31:49Z
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 <<>> 123.173.63.21
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 10938
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;123.173.63.21.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026070300 1800 900 604800 86400

;; Query time: 33 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jul 03 23:12:13 CST 2026
;; MSG SIZE  rcvd: 106
Host info
Host 21.63.173.123.in-addr.arpa. not found: 3(NXDOMAIN)
Nslookup info:
Server:		183.60.83.19
Address:	183.60.83.19#53

** server can't find 21.63.173.123.in-addr.arpa: NXDOMAIN
Related IP info:
Related comments:
IP Type Details Datetime
107.189.10.174 attackspambots
Sep 20 11:57:47 ws26vmsma01 sshd[183407]: Failed password for root from 107.189.10.174 port 49478 ssh2
Sep 20 11:57:59 ws26vmsma01 sshd[183407]: error: maximum authentication attempts exceeded for root from 107.189.10.174 port 49478 ssh2 [preauth]
...
2020-09-21 00:03:58
41.111.132.94 attackbots
Unauthorized connection attempt from IP address 41.111.132.94 on Port 445(SMB)
2020-09-21 00:06:52
125.163.18.124 attackspam
Unauthorized connection attempt from IP address 125.163.18.124 on Port 445(SMB)
2020-09-21 00:04:10
35.220.179.133 attackbotsspam
2020-09-20T18:51:12.419850afi-git.jinr.ru sshd[7084]: Failed password for root from 35.220.179.133 port 52880 ssh2
2020-09-20T18:51:29.419515afi-git.jinr.ru sshd[7365]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=133.179.220.35.bc.googleusercontent.com  user=root
2020-09-20T18:51:31.651925afi-git.jinr.ru sshd[7365]: Failed password for root from 35.220.179.133 port 46572 ssh2
2020-09-20T18:51:47.992181afi-git.jinr.ru sshd[7410]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=133.179.220.35.bc.googleusercontent.com  user=root
2020-09-20T18:51:50.028843afi-git.jinr.ru sshd[7410]: Failed password for root from 35.220.179.133 port 40188 ssh2
...
2020-09-21 00:07:47
153.19.218.233 attackbotsspam
Unauthorized connection attempt from IP address 153.19.218.233 on Port 445(SMB)
2020-09-20 23:47:40
200.44.250.213 attack
20/9/19@14:28:59: FAIL: Alarm-Network address from=200.44.250.213
...
2020-09-21 00:13:11
179.33.139.66 attack
Invalid user kids from 179.33.139.66 port 36163
2020-09-20 23:50:50
202.121.181.104 attackspambots
Found on   CINS badguys     / proto=6  .  srcport=45290  .  dstport=24271  .     (1934)
2020-09-21 00:17:24
27.115.117.6 attackspambots
2020-09-20 06:56:46.756169-0500  localhost sshd[25886]: Failed password for root from 27.115.117.6 port 53176 ssh2
2020-09-20 23:46:46
186.93.43.55 attackbotsspam
Unauthorized connection attempt from IP address 186.93.43.55 on Port 445(SMB)
2020-09-21 00:20:10
150.109.104.153 attack
$f2bV_matches
2020-09-21 00:00:57
116.206.232.11 attack
 TCP (SYN) 116.206.232.11:51817 -> port 445, len 52
2020-09-20 23:58:38
113.254.111.246 attackbots
Sep 19 17:00:41 scw-focused-cartwright sshd[26479]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=113.254.111.246
Sep 19 17:00:42 scw-focused-cartwright sshd[26479]: Failed password for invalid user admin from 113.254.111.246 port 34686 ssh2
2020-09-21 00:05:14
114.35.119.25 attackspam
Auto Detect Rule!
proto TCP (SYN), 114.35.119.25:28299->gjan.info:23, len 40
2020-09-21 00:20:36
162.247.74.74 attackbots
162.247.74.74 (US/United States/-), 7 distributed sshd attacks on account [admin] in the last 3600 secs; Ports: *; Direction: inout; Trigger: LF_DISTATTACK; Logs: Sep 20 09:57:27 server2 sshd[7720]: Invalid user admin from 162.247.74.74
Sep 20 09:57:16 server2 sshd[7623]: Invalid user admin from 217.170.206.146
Sep 20 09:57:18 server2 sshd[7623]: Failed password for invalid user admin from 217.170.206.146 port 49350 ssh2
Sep 20 09:57:10 server2 sshd[7607]: Invalid user admin from 185.220.102.252
Sep 20 09:57:13 server2 sshd[7607]: Failed password for invalid user admin from 185.220.102.252 port 31312 ssh2
Sep 20 09:56:51 server2 sshd[7259]: Invalid user admin from 195.80.151.30
Sep 20 09:56:53 server2 sshd[7259]: Failed password for invalid user admin from 195.80.151.30 port 41933 ssh2

IP Addresses Blocked:
2020-09-21 00:08:52

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