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 https://apps.db.ripe.net/docs/HTML-Terms-And-Conditions
% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.
% Information related to '147.231.0.0 - 147.231.255.255'
% Abuse contact for '147.231.0.0 - 147.231.255.255' is 'abuse@cas.cz'
inetnum:        147.231.0.0 - 147.231.255.255
netname:        CAS-TCZ
descr:          Praha
country:        CZ
org:            ORG-AoSo1-RIPE
admin-c:        AVCR1-RIPE
tech-c:         AVCR1-RIPE
status:         LEGACY
mnt-by:         TENCZ-MNT
mnt-by:         RIPE-NCC-LEGACY-MNT
remarks:        Please report network abuse -> abuse@cas.cz
created:        2006-05-18T10:46:16Z
last-modified:  2016-04-14T08:33:34Z
source:         RIPE
sponsoring-org: ORG-CA9-RIPE
organisation:   ORG-AoSo1-RIPE
org-name:       Czech Academy of Sciences
country:        CZ
org-type:       OTHER
address:        Czech Academy of Sciences
address:        Akademie ved Ceske republiky
address:        Narodni 3
address:        Praha 1
address:        117 20
address:        The Czech Republic
phone:          +420 221 403 111
fax-no:         +420 224 240 512
admin-c:        AVCR1-RIPE
tech-c:         AVCR1-RIPE
abuse-c:        AVCR1-RIPE
mnt-ref:        TENCZ-MNT
mnt-by:         TENCZ-MNT
mnt-by:         TENCZ-RPKI-MNT
created:        2011-01-19T14:40:00Z
last-modified:  2022-12-01T17:30:58Z
source:         RIPE # Filtered
role:           Akademie ved Ceske republiky Network Admins
address:        Akademie ved Ceske republiky
address:        Narodni 3
address:        Praha 1
address:        117 20
address:        The Czech Republic
phone:          +420 221 403 111
fax-no:         +420 224 240 572
abuse-mailbox:  abuse@cas.cz
org:            ORG-AoSo1-RIPE
admin-c:        PV1028-RIPE
admin-c:        MI477-RIPE
tech-c:         PV1028-RIPE
tech-c:         MI477-RIPE
tech-c:         PV3710-RIPE
nic-hdl:        AVCR1-RIPE
mnt-by:         TENCZ-MNT
created:        2013-10-25T12:46:57Z
last-modified:  2017-11-03T16:00:43Z
source:         RIPE # Filtered
% Information related to '147.231.0.0/16AS2852'
route:          147.231.0.0/16
origin:         AS2852
mnt-by:         TENCZ-RPKI-MNT
mnt-by:         AS2852-MNT
created:        2024-04-07T19:54:59Z
last-modified:  2024-04-07T19:54:59Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.111 (ABERDEEN)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
4 records found for '147.231.2.11'
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: