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: Shijiazhuang

Region: Hebei

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 '121.28.0.0 - 121.29.255.255'

% Abuse contact for '121.28.0.0 - 121.29.255.255' is 'zhaoyz3@chinaunicom.cn'

inetnum:        121.28.0.0 - 121.29.255.255
netname:        UNICOM-HE
descr:          China Unicom Hebei province network
descr:          China Unicom
country:        CN
admin-c:        CH1302-AP
tech-c:         KL984-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-HE
mnt-routes:     MAINT-CNCGROUP-RR
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:30:44Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
mnt-by:         MAINT-CNCGROUP
last-modified:  2026-05-09T04:50:16Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2026-05-08
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-05-08T01:31:32Z
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:         Kong Lingfei
nic-hdl:        KL984-AP
e-mail:         konglf5@chinaunicom.cn
address:        45, Guang An Street, Shi Jiazhuang City, HeBei Province,050011,CN
phone:          +86-311-86681601
fax-no:         +86-311-86689210
country:        cn
mnt-by:         MAINT-CNCGROUP-HE
last-modified:  2009-02-06T02:31:32Z
source:         APNIC

% Information related to '121.28.0.0/15AS4837'

route:          121.28.0.0/15
descr:          CNC Group CHINA169 Hebei Province Network
country:        CN
origin:         AS4837
mnt-by:         MAINT-CNCGROUP-RR
last-modified:  2008-09-04T07:54:47Z
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 <<>> 121.29.84.23
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 30503
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;121.29.84.23.			IN	A

;; AUTHORITY SECTION:
.			30	IN	SOA	a.root-servers.net. nstld.verisign-grs.com. 2026060500 1800 900 604800 86400

;; Query time: 12 msec
;; SERVER: 183.60.83.19#53(183.60.83.19)
;; WHEN: Fri Jun 05 20:02:21 CST 2026
;; MSG SIZE  rcvd: 105
Host info
Host 23.84.29.121.in-addr.arpa not found: 2(SERVFAIL)
Nslookup info:
;; Got SERVFAIL reply from 183.60.83.19, trying next server
Server:		183.60.82.98
Address:	183.60.82.98#53

** server can't find 23.84.29.121.in-addr.arpa: SERVFAIL
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193.27.228.214 attack
Jul 25 12:31:15 debian-2gb-nbg1-2 kernel: \[17931590.680569\] \[UFW BLOCK\] IN=eth0 OUT= MAC=96:00:00:0e:18:f4:d2:74:7f:6e:37:e3:08:00 SRC=193.27.228.214 DST=195.201.40.59 LEN=40 TOS=0x00 PREC=0x00 TTL=245 ID=60187 PROTO=TCP SPT=47101 DPT=31625 WINDOW=1024 RES=0x00 SYN URGP=0
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$f2bV_matches
2020-07-25 18:21:49
110.145.140.210 attackspam
2020-07-24 UTC: (44x) - admin(2x),alex,boss,checker,chenlu,chick,cloud,cristi,david,deploy,ed,gxm,iam,jean,joan,joshua,ksi,lost,marketing,minecraft,nadege,news,ochsner,peter,pmc2,postgres,pwrchute,qq,reinaldo,reports,shop,sogo,support,test,user(2x),vu,webmaster,xm,yangningxin,yangyi,ys,zbl
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2020-07-25 18:27:47
191.8.164.172 attackspambots
2020-07-25T00:55:56.205064server.mjenks.net sshd[3493973]: Invalid user jun from 191.8.164.172 port 41550
2020-07-25T00:55:56.210820server.mjenks.net sshd[3493973]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=191.8.164.172
2020-07-25T00:55:56.205064server.mjenks.net sshd[3493973]: Invalid user jun from 191.8.164.172 port 41550
2020-07-25T00:55:58.323450server.mjenks.net sshd[3493973]: Failed password for invalid user jun from 191.8.164.172 port 41550 ssh2
2020-07-25T00:59:38.628686server.mjenks.net sshd[3494312]: Invalid user www from 191.8.164.172 port 52198
...
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Invalid user ftp2 from 49.233.12.222 port 46634
2020-07-25 18:40:18
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Invalid user tester from 106.54.166.187 port 41500
2020-07-25 18:25:34

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