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 '103.79.148.0 - 103.79.151.255'
% Abuse contact for '103.79.148.0 - 103.79.151.255' is 'csnw@t-systems.com'
inetnum:        103.79.148.0 - 103.79.151.255
netname:        T-SYSTEMS-SG
descr:          T-Systems Singapore Pte Ltd
country:        SG
org:            ORG-TSPL7-AP
admin-c:        CM2520-AP
tech-c:         DKS37-AP
abuse-c:        AT1257-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-T-SYSTEMS
mnt-routes:     MAINT-T-SYSTEMS
mnt-irt:        IRT-T-SYSTEMS-SG
last-modified:  2020-07-29T13:14:44Z
source:         APNIC
irt:            IRT-T-SYSTEMS-SG
address:        No 23 Tai Seng Drive
address:        # 01-00 Deutsche Telekom Centre
address:        Singapore 535224
e-mail:         csnw@t-systems.com
abuse-mailbox:  csnw@t-systems.com
admin-c:        CM2520-AP
tech-c:         DKS37-AP
auth:           # Filtered
remarks:        csnw@t-systems.com was validated on 2023-10-18
mnt-by:         MAINT-T-SYSTEMS
last-modified:  2023-10-18T03:12:28Z
source:         APNIC
organisation:   ORG-TSPL7-AP
org-name:       T-Systems Singapore Pte Ltd
org-type:       LIR
country:        SG
address:        15 Changi Business Park Crescent
address:        # 06-01, Haite Building
phone:          +65-6-510-6109
fax-no:         +65-6-510-6299
e-mail:         csnw@t-systems.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:46Z
source:         APNIC
role:           ABUSE TSYSTEMSSG
address:        No 23 Tai Seng Drive
address:        # 01-00 Deutsche Telekom Centre
address:        Singapore 535224
country:        ZZ
phone:          +000000000
e-mail:         csnw@t-systems.com
admin-c:        CM2520-AP
tech-c:         DKS37-AP
nic-hdl:        AT1257-AP
remarks:        Generated from irt object IRT-T-SYSTEMS-SG
remarks:        csnw@t-systems.com was validated on 2023-10-18
abuse-mailbox:  csnw@t-systems.com
mnt-by:         APNIC-ABUSE
last-modified:  2023-10-18T03:12:47Z
source:         APNIC
person:         Conie Mercader
address:        23 Tai Seng Drive
address:        #03-01  Deutsche Telekom Centre
address:        Singapore 535224
country:        SG
phone:          +65-6510-6109
e-mail:         conie.mercader@t-systems.com
nic-hdl:        CM2520-AP
mnt-by:         MAINT-T-SYSTEMS
fax-no:         +65-6510-6121
last-modified:  2018-07-13T03:28:29Z
source:         APNIC
person:         Dinesh Kumar Sundararajan
address:        23 Tai Seng Drive
address:        #03-01  Deutsche Telekom Centre
address:        Singapore 535224
country:        SG
phone:          +65-6510-4172
e-mail:         dinesh.sundararajan@t-systems.com
nic-hdl:        DKS37-AP
mnt-by:         MAINT-T-SYSTEMS
fax-no:         +65-6510-6121
last-modified:  2018-07-13T03:27:01Z
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.
6 records found for '103.79.148.0'
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: