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.apnic.net
% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
% Information related to '203.145.192.0 - 203.145.223.255'
% Abuse contact for '203.145.192.0 - 203.145.223.255' is 'hostmaster@twnic.net.tw'
inetnum:        203.145.192.0 - 203.145.223.255
netname:        NARL-NET
descr:          National Applied Research Laboratories
descr:          3F, No. 106, Ho-Ping E. Road,
descr:          Sec. 2 Taipei 106, Taiwan , ROC
descr:          Taipei Taiwan 106
country:        TW
admin-c:        nNA6-AP
tech-c:         nNA6-AP
abuse-c:        AT939-AP
status:         ALLOCATED PORTABLE
notify:         noc@twaren.net
mnt-by:         MAINT-TW-TWNIC
mnt-lower:      MAINT-TW-TWNIC
mnt-routes:     MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2022-02-11T08:12:31Z
source:         APNIC
irt:            IRT-TWNIC-AP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
e-mail:         hostmaster@twnic.net.tw
abuse-mailbox:  hostmaster@twnic.net.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
auth:           # Filtered
remarks:        Please note that TWNIC is not an ISP and is not empowered
remarks:        to investigate complaints of network abuse.
remarks:        hostmaster@twnic.net.tw was validated on 2021-11-04
mnt-by:         MAINT-TW-TWNIC
last-modified:  2021-11-04T00:59:51Z
source:         APNIC
role:           ABUSE TWNICAP
address:        3F., No. 123, Sec. 4, Bade Rd., Songshan Dist., Taipei 105, Taiwan
country:        ZZ
phone:          +000000000
e-mail:         hostmaster@twnic.net.tw
admin-c:        TWA2-AP
tech-c:         TWA2-AP
nic-hdl:        AT939-AP
remarks:        Generated from irt object IRT-TWNIC-AP
remarks:        hostmaster@twnic.net.tw was validated on 2021-11-04
abuse-mailbox:  hostmaster@twnic.net.tw
mnt-by:         APNIC-ABUSE
last-modified:  2021-11-04T01:00:32Z
source:         APNIC
role:           nchc Network Administrator
address:        No.7, R Road VI Hsinchu Science-Based Industrial Park
address:        Hsinchu, Taiwan , R.O.C
country:        TW
phone:          +886-6-505-0940
fax-no:         +886-6-505-0945
e-mail:         noc@twaren.net
admin-c:        TLL14-AP
tech-c:         SC1772-AP
tech-c:         HMT4-AP
nic-hdl:        nNA6-AP
remarks:        The role object should be used when making
remarks:        changes to admin-c or tech-c handle.
notify:         hostmaster@twnic.net.tw
mnt-by:         MAINT-TW-TWNIC
last-modified:  2010-11-19T07:03:41Z
source:         APNIC
% Information related to '203.145.200.0/21AS7539'
route:          203.145.200.0/21
origin:         AS7539
descr:          Taiwan Network Information Center
                3F., No. 123, Sec. 4, Bade Rd., Songshan Dist.
mnt-by:         MAINT-TW-TWNIC
last-modified:  2023-11-06T01:19:50Z
source:         APNIC
% Information related to '203.145.204.0 - 203.145.207.255'
inetnum:        203.145.204.0 - 203.145.207.255
netname:        NIU-TW
descr:          National Applied Research Laboratories
descr:          3F, No. 106, Ho-Ping E. Road, Sec. 2 Taipei 106, Taiwan , ROC
descr:          Taipei Taiwan
country:        TW
admin-c:        KT51-TW
tech-c:         KT51-TW
mnt-by:         MAINT-TW-TWNIC
remarks:        This information has been partially mirrored by APNIC from
remarks:        TWNIC. To obtain more specific information, please use the
remarks:        TWNIC whois server at whois.twnic.net.
changed:        noc@twaren.net 20060306
status:         ASSIGNED NON-PORTABLE
source:         TWNIC
person:         Kao Hsu Tzeng
address:        National Ilan University
address:        No. 1, Sec. 1, Shen-Lung Road
address:        Ilan City Taiwan
country:        TW
phone:          +886-3-935-7400
fax-no:         +886-3-933-4290
e-mail:         khtzeng@niu.edu.tw
nic-hdl:        KT51-TW
changed:        hostmaster@twnic.net 20060306
source:         TWNIC
% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU1)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
7 records found for '203.145.205.21'
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: