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.ripe.net
% This is the RIPE Database query service.
% The objects are in RPSL format.
% The RIPE Database is subject to Terms and Conditions.
% See http://www.ripe.net/db/support/db-terms-conditions.pdf
% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.
% Information related to ' -'
% Abuse contact for ' -' is 'abuse@cesnet.cz'
inetnum: -
netname:        CESNET-W2LAN
descr:          CESNET, z.s.p.o.
descr:          Prague 6
country:        CZ
org:            ORG-CA9-RIPE
admin-c:        JK2617-RIPE
tech-c:         CZNA1-RIPE
status:         ASSIGNED PA
mnt-by:         TENCZ-MNT
remarks:        INFRA-AW
remarks:        Please report network abuse -> abuse@cesnet.cz
created:        2006-01-11T15:41:06Z
last-modified:  2013-10-31T18:59:12Z
source:         RIPE
organisation:   ORG-CA9-RIPE
org-name:       CESNET z.s.p.o.
country:        CZ
org-type:       LIR
address:        Generála Píky 430/26, Dejvice
address:        160 00
address:        Praha 6
address:        CZECH REPUBLIC
phone:          +420 602 252 531
phone:          +420 234 680 222
admin-c:        CNIC1-RIPE
admin-c:        PK2565-RIPE
tech-c:         CZNA1-RIPE
abuse-c:        CZNA1-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        TENCZ-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         TENCZ-MNT
created:        2004-04-17T11:04:52Z
last-modified:  2023-05-02T09:38:20Z
source:         RIPE # Filtered
role:           CESNET z.s.p.o. Network Administrators
address:        CESNET, z.s.p.o.
address:        Zikova 4
address:        Prague 6
address:        160 00
address:        The Czech Republic
phone:          +420 234 680 222
phone:          +420 602 252 531
abuse-mailbox:  abuse@cesnet.cz
org:            ORG-CA9-RIPE
admin-c:        VN2-RIPE
tech-c:         JM6320-RIPE
tech-c:         MM37245-RIPE
nic-hdl:        CZNA1-RIPE
mnt-by:         TENCZ-MNT
created:        2013-09-30T14:32:04Z
last-modified:  2018-03-18T10:16:16Z
source:         RIPE # Filtered
person:         Jiri Kvarda
address:        CESNET, z.s.p.o.
address:        Zikova 4
address:        Praha 6
address:        160 00
address:        The Czech Republic
phone:          +420 224 355 265
phone:          +420 234 680 265
nic-hdl:        JK2617-RIPE
mnt-by:         TENCZ-MNT
created:        2003-05-26T10:57:31Z
last-modified:  2020-06-03T13:54:46Z
source:         RIPE # Filtered
% Information related to ''
descr:          CESNET-TCZ
origin:         AS2852
mnt-by:         AS2852-MNT
remarks:        Please report abuse -> abuse@cesnet.cz
created:        1970-01-01T00:00:00Z
last-modified:  2006-06-26T14:36:38Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.106.1 (DEXTER)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
5 records found for ''
Search for  
IP address lookups Miscellaneous queries

1st level less specific

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


Inverse attributes

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

All less specific

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


Object types

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

1st level more specific

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

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


Exact match only

Returns address range that exactly matches the queried IP address range

Associated reverse domain

Returns IP address range and associated reverse domain

For more information see: