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.
%
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% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.
% Information related to '194.228.20.0 - 194.228.20.255'
% Abuse contact for '194.228.20.0 - 194.228.20.255' is 'abuse@o2.cz'
inetnum:        194.228.20.0 - 194.228.20.255
netname:        CGNAT
descr:          O2 Czech Republic, a.s.
remarks:        please contact postmaster@iol.cz
remarks:        Abuse Contact:abuse.cz@o2.com
remarks:        * Hack Attacks, Illegal Activity, Violation, Scans, Probes, etc.
country:        CZ
admin-c:        VAKO1-RIPE
tech-c:         VAKO1-RIPE
status:         ASSIGNED PA
mnt-by:         AS5610-MTN
created:        1970-01-01T00:00:00Z
last-modified:  2016-01-18T09:24:35Z
source:         RIPE # Filtered
person:         Vaclav Kordula
address:        O2 Czech Republic, a.s.
address:        Za Brumlovkou 266/2
address:        Praha 4 - Michle, PS? 140 22
address:        Czech Republic
phone:          +420 2 714668845
nic-hdl:        VAKO1-RIPE
mnt-by:         AS5610-MTN
created:        1970-01-01T00:00:00Z
last-modified:  2016-02-12T13:32:30Z
source:         RIPE # Filtered
% Information related to '194.228.20.0/24AS5610'
route:          194.228.20.0/24
descr:          CGN-balance
origin:         AS5610
mnt-by:         AS5610-MTN
created:        2016-01-29T09:42:30Z
last-modified:  2016-01-29T09:42:30Z
source:         RIPE
% This query was served by the RIPE Database Query Service version 1.111 (SHETLAND)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
3 records found for '194.228.20.239'
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: