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 '2400:b3c0::/32'
% Abuse contact for '2400:b3c0::/32' is 'network@synopsys.com'
inet6num:       2400:b3c0::/32
netname:        SYNOPSYS-JP-20170216
descr:          Synopsys
descr:          700 E. Middlefield Road
descr:          Mountain View
country:        JP
org:            ORG-SA28-AP
admin-c:        BT217-AP
tech-c:         BT217-AP
abuse-c:        AS2373-AP
status:         ALLOCATED PORTABLE
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-JP-SYNOPSYS
mnt-routes:     MAINT-JP-SYNOPSYS
mnt-irt:        IRT-SYNOPSYS-NON-JP1
last-modified:  2020-06-22T15:55:37Z
source:         APNIC
irt:            IRT-SYNOPSYS-NON-JP1
address:        1030 W. Maude Ave
address:        Sunnyvale, CA 94085
e-mail:         network@synopsys.com
abuse-mailbox:  network@synopsys.com
admin-c:        BT217-AP
tech-c:         BT217-AP
auth:           # Filtered
remarks:        network@synopsys.com was validated on 2021-07-06
mnt-by:         MAINT-JP-SYNOPSYS
last-modified:  2021-07-06T15:19:46Z
source:         APNIC
organisation:   ORG-SA28-AP
org-name:       Synopsys
country:        JP
address:        Futako Tamagawa Rise Office
address:        2-21-1 Tamagawa, Setagaya-ku
phone:          +1-650-584-5000
e-mail:         network-core@synopsys.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2021-07-19T12:56:05Z
source:         APNIC
role:           ABUSE SYNOPSYSNONJP1
address:        1030 W. Maude Ave
address:        Sunnyvale, CA 94085
country:        ZZ
phone:          +000000000
e-mail:         network@synopsys.com
admin-c:        BT217-AP
tech-c:         BT217-AP
nic-hdl:        AS2373-AP
remarks:        Generated from irt object IRT-SYNOPSYS-NON-JP1
abuse-mailbox:  network@synopsys.com
mnt-by:         APNIC-ABUSE
last-modified:  2020-06-22T15:55:36Z
source:         APNIC
person:         BEN TSUI
nic-hdl:        BT217-AP
e-mail:         BENT@SYNOPSYS.COM
address:        700 E. Middlefield Road
address:        Mountain View, CA 94043
phone:          +1-650-584-4260
fax-no:         +1-650-584-4343
country:        US
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:49:55Z
source:         APNIC
% This query was served by the APNIC Whois Service version 1.88.15-SNAPSHOT (WHOIS-AU2)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
5 records found for '2400:b3c0::/32'
Search for  
IP address lookups Miscellaneous queries

1st level less specific

Returns smallest IP address range that includes the queried IP address or range


Inverse attributes

Returns objects with an attribute that matches the query text and attribute type

All less specific

Return all larger IP address ranges that include the queried IP address or range


Object types

Results that match the query and are of a specified object type

1st level more specific

Returns first level more specific address ranges within the boundaries of the queried IP address range

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


Exact match only

Returns address range that exactly matches the queried IP address range

Associated reverse domain

Returns IP address range and associated reverse domain

For more information see: