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 '147.251.0.0 - 147.251.255.255'
% Abuse contact for '147.251.0.0 - 147.251.255.255' is 'abuse@muni.cz'
inetnum:        147.251.0.0 - 147.251.255.255
netname:        MUNI-TCZ
descr:          Brno
country:        CZ
org:            ORG-MuUv1-RIPE
admin-c:        MUNA1-RIPE
tech-c:         MUNA1-RIPE
status:         LEGACY
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         TENCZ-MNT
mnt-irt:        IRT-CSIRT-MU
remarks:        Please report network abuse -> abuse@muni.cz
created:        2006-05-18T10:44:14Z
last-modified:  2016-04-14T09:54:47Z
source:         RIPE
organisation:   ORG-MuUv1-RIPE
org-name:       Masarykova univerzita - Ustav vypocetni techniky
country:        CZ
org-type:       LIR
phone:          +420549495184
fax-no:         +420541212747
abuse-c:        AR13757-RIPE
admin-c:        CA6687-RIPE
mnt-ref:        MUNINET-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         MUNINET-MNT
created:        2004-04-17T11:04:41Z
last-modified:  2021-01-08T10:17:45Z
source:         RIPE # Filtered
address:        Zerotinovo nam. 617/9
address:        60177
address:        Brno
address:        CZECH REPUBLIC
role:           Masaryk University Network Administrators
address:        Masaryk University Network Administrators
address:        Institute of Computer Science
address:        Botanicka 68a
address:        Brno
address:        602 00
address:        The Czech Republic
phone:          +420 549 491 801
fax-no:         +420 541 212 747
abuse-mailbox:  abuse@muni.cz
org:            ORG-MU9-RIPE
admin-c:        CA6687-RIPE
tech-c:         CA6687-RIPE
nic-hdl:        MUNA1-RIPE
mnt-by:         TENCZ-MNT
created:        2013-09-16T13:31:30Z
last-modified:  2015-09-25T11:56:27Z
source:         RIPE # Filtered
% Information related to '147.251.0.0/16AS2852'
route:          147.251.0.0/16
descr:          MUNI-TCZ
origin:         AS2852
mnt-by:         AS2852-MNT
remarks:        Please report abuse -> abuse@muni.cz and abuse@cesnet.cz
created:        1970-01-01T00:00:00Z
last-modified:  2006-06-26T14:03:01Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.99 (ANGUS)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
4 records found for '147.251.121.227'
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: