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 '143.53.0.0 - 143.53.255.255'
% Abuse contact for '143.53.0.0 - 143.53.255.255' is 'irt@jisc.ac.uk'
inetnum:        143.53.0.0 - 143.53.255.255
netname:        UNI-BRADFORD-LINR
descr:          Computer Centre
descr:          Bradford, West Yorkshire BD7 1DP
remarks:        country: GB
admin-c:        MT2020-RIPE
tech-c:         MT2020-RIPE
status:         LEGACY
org:            ORG-UOB23-RIPE
country:        GB
admin-c:        JB5888-RIPE
tech-c:         MT2546-RIPE
mnt-by:         RIPE-NCC-LEGACY-MNT
mnt-by:         JANET-HOSTMASTER
created:        1970-01-01T00:00:00Z
last-modified:  2018-04-10T12:29:12Z
source:         RIPE
sponsoring-org: ORG-UA23-RIPE
organisation:   ORG-UOB23-RIPE
org-name:       University of Bradford
country:        GB
org-type:       OTHER
abuse-c:        JCA95-RIPE
address:        Richmond Road
address:        BRADFORD
address:        BD7 1DP
address:        England
address:        United Kingdom
mnt-ref:        JANET-HOSTMASTER
mnt-by:         JANET-HOSTMASTER
created:        2015-08-13T13:30:02Z
last-modified:  2022-12-01T17:31:55Z
source:         RIPE # Filtered
person:         Jill Bell
address:        University of Bradford
address:        Richmond Road
address:        Bradford BD7 1DP
phone:          +44 274 383329
nic-hdl:        JB5888-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2016-04-05T14:07:20Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered
person:         Mohammed Tariq
address:        Bradford University
address:        Computer Centre
address:        Bradford, West Yorkshire BD7 1DP
address:        GB
phone:          +44 274 733466
nic-hdl:        MT2020-RIPE
mnt-by:         RIPE-ERX-MNT
created:        2003-10-15T08:49:54Z
last-modified:  2003-10-15T08:49:54Z
source:         RIPE # Filtered
person:         Mohammed Tariq
address:        University of Bradford
address:        Richmond Road
address:        Bradford BD7 1DP
phone:          +44 274 383330
nic-hdl:        MT2546-RIPE
created:        1970-01-01T00:00:00Z
last-modified:  2016-04-05T14:10:43Z
mnt-by:         RIPE-NCC-LOCKED-MNT
source:         RIPE # Filtered
% Information related to '143.52.0.0/15AS786'
route:          143.52.0.0/15
descr:          JANET Aggregated Route
descr:          JANET(UK) Network Operations Centre
descr:          100 Gray's Inn Road
descr:          London WC1X 8AL
descr:          United Kingdom
origin:         AS786
mnt-by:         JIPS-NOSC
created:        1970-01-01T00:00:00Z
last-modified:  2007-07-06T16:04:26Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.111 (BUSA)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
6 records found for '143.53.25.133'
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: