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@ktcz.eu'
inetnum: -
netname:        CZ-KTCT-20090414
country:        CZ
org:            ORG-KTCs1-RIPE
admin-c:        LM1397-RIPE
tech-c:         LM1397-RIPE
status:         ALLOCATED PA
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-KTCT
mnt-lower:      MNT-KTCT
mnt-domains:    MNT-KTCT
mnt-routes:     MNT-KTCT
created:        2009-04-14T08:45:26Z
last-modified:  2016-05-19T09:43:48Z
source:         RIPE # Filtered
organisation:   ORG-KTCs1-RIPE
org-name:       KABELOVA TELEVIZE CZ s.r.o.
country:        CZ
org-type:       LIR
descr:          KABELOVA TELEVIZE CZ s.r.o.
address:        Ruska 8
address:        101 00
address:        Prague 10
address:        CZECH REPUBLIC
phone:          +420605161584
fax-no:         +420465539173
tech-c:         LM1397-RIPE
abuse-c:        AR14436-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        MNT-KTCT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MNT-KTCT
created:        2009-03-26T10:40:08Z
last-modified:  2020-12-16T13:02:25Z
source:         RIPE # Filtered
person:         Lukas Mesani
phone:          +420-222-742-740
address:        Czech Republic
nic-hdl:        LM1397-RIPE
mnt-by:         MNT-FRODO
created:        2006-06-07T13:57:53Z
last-modified:  2020-03-03T14:23:08Z
source:         RIPE
% Information related to ''
descr:          KTCT-NET prefix
origin:         AS49101
mnt-by:         MNT-KTCT
created:        2021-09-14T11:12:05Z
last-modified:  2021-09-14T11:12:05Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.103 (ANGUS)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
4 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: