To assist you with debugging problems, this whois query was received from IP Address:

52.14.139.156

% APNIC found the following authoritative answer from: whois.apnic.net
% [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

To get more information visit NetOX (Network Operators' toolboX)

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 2024-07-01
mnt-by:MAINT-CNCGROUP
last-modified:2024-07-01T02:08:34Z
source:APNIC
Report invalid contact
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 2024-07-01
abuse-mailbox:zhaoyz3@chinaunicom.cn
mnt-by:APNIC-ABUSE
last-modified:2024-10-09T08:44:07Z
source:APNIC
Report invalid contact
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
Report invalid contact
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
Report invalid contact
% 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

To get more information visit NetOX (Network Operators' toolboX)

% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)

To get more information visit NetOX (Network Operators' toolboX)

e.g. 203.119.42.0/24

IP address lookups Miscellaneous queries
-l

1st level less specific

Returns smallest IP address range that includes the queried IP address or range

-i

Inverse attributes

Returns objects with an attribute that matches the query text and attribute type
-L

All less specific

Return all larger IP address ranges that include the queried IP address or range

-T

Object types

Results that match the query and are of a specified object type
-m

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range
-M

All more specific

Returns all more specific address ranges within the boundaries of the queried IP address range

Query hints

  • Include "AS" in front of an AS number.
    Example: AS4808

  • Include "-t" (template only) or "-v" (template and description) in front of an object name to view the template
    Example: -t inetnum

-x

Exact match only

Returns address range that exactly matches the queried IP address range
-d

Associated reverse domain

Returns IP address range and associated reverse domain

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