APNIC - Query the APNIC Whois Database

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

% 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 '137.189.0.0 - 137.189.255.255'
% Abuse contact for '137.189.0.0 - 137.189.255.255' is 'noc-admin@cuhk.edu.hk'
inetnum:        137.189.0.0 - 137.189.255.255
netname:        CUHKNET
descr:          The Chinese University of Hong Kong
descr:          Information Technology Services Centre
country:        HK
org:            ORG-CUOH1-AP
admin-c:        NA17-AP
tech-c:         NT27-AP
status:         ALLOCATED PORTABLE
abuse-c:        AC2019-AP
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-CUHKNET-HK
mnt-routes:     MAINT-CUHKNET-HK
mnt-irt:        IRT-CUHKNET-HK
last-modified:  2022-12-05T02:41:49Z
source:         APNIC
irt:            IRT-CUHKNET-HK
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
e-mail:         noc-admin@cuhk.edu.hk
abuse-mailbox:  noc-admin@cuhk.edu.hk
admin-c:        NA17-AP
tech-c:         NT27-AP
auth:           # Filtered
remarks:        noc-admin@cuhk.edu.hk was validated on 2023-10-18
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2023-10-18T01:46:00Z
source:         APNIC
organisation:   ORG-CUOH1-AP
org-name:       The Chinese University of Hong Kong
org-type:       LIR
country:        HK
address:        Information Technology Service Centre
address:        G/F., Pi-Chiu Building
phone:          +852-3943-8848
fax-no:         +852-2603-5001
e-mail:         noc-admin@cuhk.edu.hk
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:42Z
source:         APNIC
role:           ABUSE CUHKNETHK
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        ZZ
phone:          +000000000
e-mail:         noc-admin@cuhk.edu.hk
admin-c:        NA17-AP
tech-c:         NT27-AP
nic-hdl:        AC2019-AP
remarks:        Generated from irt object IRT-CUHKNET-HK
remarks:        noc-admin@cuhk.edu.hk was validated on 2023-10-18
abuse-mailbox:  noc-admin@cuhk.edu.hk
mnt-by:         APNIC-ABUSE
last-modified:  2023-10-18T01:46:47Z
source:         APNIC
person:         Network Administration Contact
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        HK
phone:          +852-3943-8830
fax-no:         +852-2603-5001
e-mail:         noc-admin@cuhk.edu.hk
nic-hdl:        NA17-AP
notify:         noc-admin@cuhk.edu.hk
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2012-09-19T01:45:32Z
source:         APNIC
person:         Network Technical Contact
address:        Information Technology Services Centre,
address:        The Chinese University of Hong Kong,
address:        Shatin, N.T.
address:        Hong Kong
country:        HK
phone:          +852-3943-8830
fax-no:         +852-2603-5001
e-mail:         noc-tech@cuhk.edu.hk
nic-hdl:        NT27-AP
notify:         noc-tech@cuhk.edu.hk
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2012-09-19T01:46:08Z
source:         APNIC
% Information related to '137.189.0.0/16AS3661'
route:          137.189.0.0/16
origin:         AS3661
descr:          Chinese University of Hong Kong (The)
                Information Technology Service Centre
                G/F., Pi-Chiu Building
                CUHK
mnt-by:         MAINT-CUHKNET-HK
last-modified:  2022-11-04T09:24:25Z
source:         APNIC
% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU3)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
7 records found for '137.189.156.103'
Search for  
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

For more information see: