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AS154743 CENTRICS NETWORKS PTE LTD

Q: Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

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Peers

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Legacy Routes

CENTRICS NETWORKS PTE LTD centricsnetworks.com.sg

SG 0 Routes

AS Data

AS154743

AS154743 – CENTRICS NETWORKS PTE LTD

AS Number	154743
AS Name	CENTRICS1-AS-AP
Organization	CENTRICS NETWORKS PTE LTD (org-cnpl20-ap)
Country	SG
Website	centricsnetworks.com.sg
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS154743 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS153914 - AS154937'

as-block:       AS153914 - AS154937
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2025-04-01T05:54:59Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS154743'

% Abuse contact for 'AS154743' is 'ABUSE@CENTRICSNETWORKS.COM.SG'

aut-num:        AS154743
as-name:        CENTRICS1-AS-AP
descr:          CENTRICS NETWORKS PTE LTD
country:        SG
org:            ORG-CNPL20-AP
admin-c:        CNPL20-AP
tech-c:         CNPL20-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CENTRICS1-SG
mnt-routes:     MAINT-CENTRICS1-SG
mnt-lower:      MAINT-CENTRICS1-SG
last-modified:  2026-07-02T06:08:03Z
source:         APNIC

irt:            IRT-CENTRICS1-SG
address:        18 SIN MING LANE, # 07-34 MIDVIEW CITY, SINGAPORE SINGAPORE 573960
e-mail:         JAMES_NG@CENTRICSNETWORKS.COM.SG
abuse-mailbox:  ABUSE@CENTRICSNETWORKS.COM.SG
admin-c:        CNPL20-AP
tech-c:         CNPL20-AP
auth:           # Filtered
remarks:        ABUSE@CENTRICSNETWORKS.COM.SG was validated on 2024-11-12
mnt-by:         MAINT-CENTRICS1-SG
last-modified:  2026-07-02T06:08:01Z
source:         APNIC

organisation:   ORG-CNPL20-AP
org-name:       CENTRICS NETWORKS PTE LTD
org-type:       LIR
country:        SG
address:        18 SIN MING LANE
address:        # 07-34 MIDVIEW CITY
phone:          +6568337898
e-mail:         JAMES_NG@CENTRICSNETWORKS.COM.SG
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-06-12T13:39:08Z
source:         APNIC

role:           CENTRICS NETWORKS PTE LTD administrator
address:        18 SIN MING LANE, # 07-34 MIDVIEW CITY, SINGAPORE SINGAPORE 573960
country:        SG
phone:          +6568337898
e-mail:         JAMES_NG@CENTRICSNETWORKS.COM.SG
admin-c:        CNPL20-AP
tech-c:         CNPL20-AP
nic-hdl:        CNPL20-AP
mnt-by:         MAINT-CENTRICS1-SG
last-modified:  2026-07-02T06:07:36Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-UK2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS153914 - AS154937",
    "description" : [ "APNIC ASN block" ],
    "admin_contacts" : [ "HM20-AP" ],
    "tech_contacts" : [ "HM20-AP" ],
    "remarks" : [ "These AS numbers are further assigned by APNIC", "to APNIC members and end-users in the APNIC region" ],
    "mnt_by" : [ "APNIC-HM" ],
    "mnt_lower" : [ "APNIC-HM" ],
    "date_updated" : "2025-04-01",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS154743",
    "as_name" : "CENTRICS1-AS-AP",
    "description" : [ "CENTRICS NETWORKS PTE LTD" ],
    "country" : "SG",
    "organization" : "ORG-CNPL20-AP",
    "admin_contacts" : [ "CNPL20-AP" ],
    "tech_contacts" : [ "CNPL20-AP" ],
    "mnt_irt" : [ "IRT-CENTRICS1-SG" ],
    "mnt_lower" : [ "MAINT-CENTRICS1-SG" ],
    "mnt_routes" : [ "MAINT-CENTRICS1-SG" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-07-02",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-CENTRICS1-SG",
    "address" : [ "18 SIN MING LANE, # 07-34 MIDVIEW CITY, SINGAPORE SINGAPORE 573960" ],
    "street" : "Sin Ming Lane # 07-34 Midview City",
    "city" : "Singapore",
    "zip_code" : "573960",
    "country" : "SINGAPORE",
    "email" : [ "JAMES_NG@CENTRICSNETWORKS.COM.SG" ],
    "abuse_mailbox" : [ "ABUSE@CENTRICSNETWORKS.COM.SG" ],
    "admin_contacts" : [ "CNPL20-AP" ],
    "tech_contacts" : [ "CNPL20-AP" ],
    "remarks" : [ "ABUSE@CENTRICSNETWORKS.COM.SG was validated on 2024-11-12" ],
    "mnt_by" : [ "MAINT-CENTRICS1-SG" ],
    "date_updated" : "2026-07-02",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-CNPL20-AP",
    "name" : "CENTRICS NETWORKS PTE LTD",
    "type" : "LIR",
    "address" : [ "18 SIN MING LANE", "# 07-34 MIDVIEW CITY" ],
    "street" : "Sin Ming Lane # 07-34 Midview City",
    "country" : [ "SG" ],
    "email" : [ "JAMES_NG@CENTRICSNETWORKS.COM.SG" ],
    "phone" : [ "+6568337898" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2026-06-12",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "CNPL20-AP",
    "name" : "CENTRICS NETWORKS PTE LTD administrator",
    "address" : [ "18 SIN MING LANE, # 07-34 MIDVIEW CITY, SINGAPORE SINGAPORE 573960" ],
    "street" : "Sin Ming Lane # 07-34 Midview City",
    "city" : "Singapore",
    "zip_code" : "573960",
    "country" : "SG",
    "email" : [ "JAMES_NG@CENTRICSNETWORKS.COM.SG" ],
    "phone" : [ "+6568337898" ],
    "admin_contacts" : [ "CNPL20-AP" ],
    "tech_contacts" : [ "CNPL20-AP" ],
    "mnt_by" : [ "MAINT-CENTRICS1-SG" ],
    "date_updated" : "2026-07-02",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ],
  "technical_contacts" : [ {
    "handle" : "CNPL20-AP",
    "name" : "CENTRICS NETWORKS PTE LTD administrator",
    "address" : [ "18 SIN MING LANE, # 07-34 MIDVIEW CITY, SINGAPORE SINGAPORE 573960" ],
    "street" : "Sin Ming Lane # 07-34 Midview City",
    "city" : "Singapore",
    "zip_code" : "573960",
    "country" : "SG",
    "email" : [ "JAMES_NG@CENTRICSNETWORKS.COM.SG" ],
    "phone" : [ "+6568337898" ],
    "admin_contacts" : [ "CNPL20-AP" ],
    "tech_contacts" : [ "CNPL20-AP" ],
    "mnt_by" : [ "MAINT-CENTRICS1-SG" ],
    "date_updated" : "2026-07-02",
    "source" : "APNIC",
    "addressCountry" : "SINGAPORE"
  } ]
}

Contacts

Email Contacts

JAMES_NG@CENTRICSNETWORKS.COM.SG

Abuse Contacts

ABUSE@CENTRICSNETWORKS.COM.SG

Frequently Asked Questions

What is ASN AS154743?

ASN AS154743 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS154743?

AS154743 is listed under CENTRICS NETWORKS PTE LTD.

What do peers, upstreams, and downstreams mean?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data included here?

WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access full ASN table data?

This page previews large ASN datasets. Use See more to load additional rows, and upgrade your plan to view complete peer, route, upstream, and downstream data.

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ASN Summary

AS154743 – CENTRICS NETWORKS PTE LTD

ASN Intelligence API for production workflows

Raw Whois Response

Parsed Whois Response

Contacts

Email Contacts

Abuse Contacts

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Frequently Asked Questions