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 '203.143.128.0 - 203.143.159.255'
% Abuse contact for '203.143.128.0 - 203.143.159.255' is 'ipreg@us.ibm.com'
inetnum:        203.143.128.0 - 203.143.159.255
netname:        IBM-SG
descr:          IBM Singapore Pte Ltd
country:        SG
org:            ORG-ISPL9-AP
admin-c:        KP35-AP
tech-c:         MM93-AP
abuse-c:        AI693-AP
status:         ALLOCATED PORTABLE
mnt-by:         APNIC-HM
mnt-lower:      MAINT-AP-IBMSG
mnt-routes:     MAINT-AP-IBMSG
mnt-irt:        IRT-IBM-SG
last-modified:  2020-10-20T01:00:29Z
source:         APNIC
irt:            IRT-IBM-SG
address:        9 Changi Business Park Central 1
address:        # 01-01
address:        Singapore 486048
phone:          +65 6418 9463
e-mail:         ipreg@us.ibm.com
abuse-mailbox:  ipreg@us.ibm.com
admin-c:        KP35-AP
tech-c:         MM93-AP
auth:           # Filtered
remarks:        ipreg@us.ibm.com was validated on 2024-03-13
mnt-by:         MAINT-AP-IBMSG
last-modified:  2024-03-13T16:07:21Z
source:         APNIC
organisation:   ORG-ISPL9-AP
org-name:       IBM Singapore Pte Ltd
org-type:       LIR
country:        SG
address:        The IBM Place II
address:        9 Changi Business Park II
address:        Changi Business Park Central 1
phone:          +65-6418-9463
fax-no:         +65-6587-1463
e-mail:         teokle@sg.ibm.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:48Z
source:         APNIC
role:           ABUSE IBMSG
address:        9 Changi Business Park Central 1
address:        # 01-01
address:        Singapore 486048
country:        ZZ
phone:          +65 6418 9463
e-mail:         ipreg@us.ibm.com
admin-c:        KP35-AP
tech-c:         MM93-AP
nic-hdl:        AI693-AP
remarks:        Generated from irt object IRT-IBM-SG
remarks:        ipreg@us.ibm.com was validated on 2024-03-13
abuse-mailbox:  ipreg@us.ibm.com
mnt-by:         APNIC-ABUSE
last-modified:  2024-03-13T16:07:58Z
source:         APNIC
person:         Koon Boon Pang
address:        Blk 2 Kaki Bukit Ave 1
address:        #06-00
address:        Singapore 419738
country:        SG
phone:          +65-840-9094
fax-no:         +65-748-9553
e-mail:         pangkb@sg.ibm.com
nic-hdl:        KP35-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:15Z
source:         APNIC
person:         Mohandas Muthusamy
address:        Blk 2 Kaki Bukit Ave 1
address:        #06-00
address:        Singapore 419738
country:        SG
phone:          +65-840-5392
fax-no:         +65-748-8809
e-mail:         mohandas@sg.ibm.com
nic-hdl:        MM93-AP
mnt-by:         MAINT-NEW
last-modified:  2008-09-04T07:29:15Z
source:         APNIC
% This query was served by the APNIC Whois Service version 1.88.25 (WHOIS-AU2)
  • Bold: Object type.
  • Underlined: Primary key(s).
  • Hyperlinks: Searchable Attributes.
6 records found for '203.143.128.0'
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: