APNIC - Query the APNIC Whois Database

To assist you with debugging problems, this whois query was received from IP Address

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html
% Information related to '43.242.136.0 - 43.242.136.255'
% Abuse contact for '43.242.136.0 - 43.242.136.255' is 'abuse@top-format.biz'
inetnum:        43.242.136.0 - 43.242.136.255
netname:        HAKUNET
descr:          HAKUNET
country:        JP
admin-c:        YS1724-AP
tech-c:         YS1724-AP
abuse-c:        AT1092-AP
status:         ASSIGNED NON-PORTABLE
remarks:        For SPAM/ABUSE Issue:abuse@top-format.biz
mnt-by:         MAINT-TOPFORMATINC-JP
mnt-irt:        IRT-TOPFORMATINC-JP
last-modified:  2021-06-30T01:21:30Z
source:         APNIC
irt:            IRT-TOPFORMATINC-JP
address:        3-5-3 Nishi-Shinjuku, Shinjuku-ku Tokyo 160-0023
e-mail:         info@top-format.biz
abuse-mailbox:  abuse@top-format.biz
admin-c:        TFIA1-AP
tech-c:         TFIA1-AP
auth:           # Filtered
remarks:        info@top-format.biz was validated on 2024-02-01
remarks:        abuse@top-format.biz was validated on 2024-02-01
mnt-by:         MAINT-TOPFORMATINC-JP
last-modified:  2024-02-01T01:12:29Z
source:         APNIC
role:           ABUSE TOPFORMATINCJP
address:        3-5-3 Nishi-Shinjuku, Shinjuku-ku Tokyo 160-0023
country:        ZZ
phone:          +000000000
e-mail:         info@top-format.biz
admin-c:        TFIA1-AP
tech-c:         TFIA1-AP
nic-hdl:        AT1092-AP
remarks:        Generated from irt object IRT-TOPFORMATINC-JP
remarks:        abuse@top-format.biz was validated on 2023-07-12
remarks:        info@top-format.biz was validated on 2023-07-12
abuse-mailbox:  abuse@top-format.biz
mnt-by:         APNIC-ABUSE
last-modified:  2023-07-13T19:31:10Z
source:         APNIC
person:         Yoshio Sakai
address:        3-5-3 Nishi-Shinjuku, Shinjuku-ku, Tokyo
country:        JP
phone:          +81-3-6302-0030
e-mail:         info@top-format.biz
nic-hdl:        YS1724-AP
abuse-mailbox:  abuse@top-format.biz
mnt-by:         MAINT-TOPFORMATINC-JP
last-modified:  2013-01-03T13:21:23Z
source:         APNIC
% 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.
4 records found for '43.242.136.0'
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: