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://docs.db.ripe.net/terms-conditions.html
% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.
% Information related to '141.23.0.0 - 141.23.255.255'
% No abuse contact registered for 141.23.0.0 - 141.23.255.255
inetnum:        141.23.0.0 - 141.23.255.255
netname:        CSTUB
descr:          Technische Universitaet Berlin, Informatik
descr:          Franklinstr. 28/29
descr:          D-10587 Berlin
country:        DE
admin-c:        TH5476-RIPE
tech-c:         TH5476-RIPE
status:         LEGACY
mnt-by:         DFN-LIR-MNT
mnt-by:         UUNETDE-I
mnt-routes:     DFN-LIR-MNT
mnt-domains:    DFN-HM-MNT
created:        2001-10-09T08:34:35Z
last-modified:  2023-08-30T15:30:24Z
source:         RIPE
role:           tubIT Hostmaster
address:        Technische Universitaet Berlin
address:        Zentraleinrichtung Campusmanagement
address:        Sekretariat EN 50
address:        Einsteinufer 17
address:        10587 Berlin
address:        Germany
phone:          +49 30 314 28800
fax-no:         +49 30 314 21060
nic-hdl:        TH5476-RIPE
mnt-by:         DFN-NTFY
created:        2014-12-11T15:56:45Z
last-modified:  2023-08-30T15:30:24Z
source:         RIPE # Filtered
% Information related to '141.23.0.0/16AS680'
route:          141.23.0.0/16
descr:          CSTUB
origin:         AS680
mnt-by:         DFN-MNT
created:        2010-02-18T12:50:12Z
last-modified:  2010-02-18T12:50:12Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.114 (BUSA)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
3 records found for '141.23.209.13'
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: