ASN AS58562 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS58562?

AS58562 is listed under NCS MNS.

What do peers, upstreams, and downstreams mean in ASN data?

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 shown for an ASN?

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

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS58562 NCS MNS | IPGeolocation.io

ASN Lookup Tool

NCS MNS ncs.com.sg

SG 2 Routes

AS Data

AS58562

AS58562 – NCS MNS

AS Number	58562
AS Name	NCS-MNS-SG
Organization	NCS MNS (org-nm1-ap)
Country	SG
Website	ncs.com.sg
Number of IPv4 Routes	2
Number of IPv6 Routes	0
ASN type	ISP
Registry	APNIC
Date Allocated	N/A

ASN Intelligence API for production workflows

Use ASN data for AS58562 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
103.7.124.0/24	AS58562	NCS MNS	NCS MNS	256
103.7.125.0/24	AS58562	NCS MNS	NCS MNS	256

Raw Whois Response

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

% Information related to 'AS58368 - AS59391'

as-block:       AS58368 - AS59391
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:  2011-08-10T06:21:41Z
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 'AS58562'

% Abuse contact for 'AS58562' is 'ml-sebgdnso-siops@singtel.com'

aut-num:        AS58562
as-name:        NCS-MNS-SG
descr:          5 Ang Mo Kio Street 62
descr:          NCS Hub
country:        SG
org:            ORG-NM1-AP
admin-c:        NSI1-AP
tech-c:         NSI1-AP
abuse-c:        AN1093-AP
mnt-lower:      MAINT-NCS-MNS-SG
mnt-routes:     MAINT-NCS-MNS-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-NCS-MNS-SG
last-modified:  2021-01-07T00:36:37Z
source:         APNIC

irt:            IRT-NCS-MNS-SG
address:
e-mail:         ml-sebgdnso-siops@singtel.com
abuse-mailbox:  ml-sebgdnso-siops@singtel.com
admin-c:        PHA3-AP
tech-c:         PHA3-AP
auth:           # Filtered
remarks:        ml-sebgdnso-siops@singtel.com was validated on 2026-03-11
mnt-by:         MAINT-NCS-MNS-SG
last-modified:  2026-03-11T02:26:25Z
source:         APNIC

organisation:   ORG-NM1-AP
org-name:       NCS MNS
org-type:       LIR
country:        SG
address:        # 07-31, 10 Eunos Road 8
address:        Singapore Post Centre
phone:          +65-91374386
e-mail:         ml-sebgdnso-siops@singtel.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-09-02T13:01:12Z
source:         APNIC

role:           ABUSE NCSMNSSG
country:        ZZ
address:
phone:          +000000000
e-mail:         ml-sebgdnso-siops@singtel.com
admin-c:        PHA3-AP
tech-c:         PHA3-AP
nic-hdl:        AN1093-AP
remarks:        Generated from irt object IRT-NCS-MNS-SG
remarks:        ml-sebgdnso-siops@singtel.com was validated on 2026-03-11
abuse-mailbox:  ml-sebgdnso-siops@singtel.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-11T02:27:01Z
source:         APNIC

role:           NCS Shared Infra
address:        5 Ang Mo Kio Street 62
country:        SG
phone:          +65-66683011
e-mail:         mns_infra@ncs.com.sg
admin-c:        ITSI3-AP
tech-c:         ITSI3-AP
nic-hdl:        NSI1-AP
mnt-by:         MAINT-NCS-MNS-SG
last-modified:  2024-10-30T05:09:56Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-US2)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.apnic.net",
  "as_blocks" : [ {
    "as_block" : "AS58368 - AS59391",
    "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" : "2011-08-10",
    "source" : "APNIC"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS58562",
    "as_name" : "NCS-MNS-SG",
    "description" : [ "5 Ang Mo Kio Street 62", "NCS Hub" ],
    "country" : "SG",
    "organization" : "ORG-NM1-AP",
    "admin_contacts" : [ "NSI1-AP" ],
    "tech_contacts" : [ "NSI1-AP" ],
    "abuse_contacts" : [ "AN1093-AP" ],
    "mnt_irt" : [ "IRT-NCS-MNS-SG" ],
    "mnt_lower" : [ "MAINT-NCS-MNS-SG" ],
    "mnt_routes" : [ "MAINT-NCS-MNS-SG" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2021-01-07",
    "source" : "APNIC"
  } ],
  "irt" : {
    "handle" : "IRT-NCS-MNS-SG",
    "email" : [ "ml-sebgdnso-siops@singtel.com" ],
    "abuse_mailbox" : [ "ml-sebgdnso-siops@singtel.com" ],
    "admin_contacts" : [ "PHA3-AP" ],
    "tech_contacts" : [ "PHA3-AP" ],
    "remarks" : [ "ml-sebgdnso-siops@singtel.com was validated on 2026-03-11" ],
    "mnt_by" : [ "MAINT-NCS-MNS-SG" ],
    "date_updated" : "2026-03-11",
    "source" : "APNIC"
  },
  "organization" : {
    "handle" : "ORG-NM1-AP",
    "name" : "NCS MNS",
    "type" : "LIR",
    "address" : [ "# 07-31, 10 Eunos Road 8", "Singapore Post Centre" ],
    "street" : "10 Eunos Road 8",
    "city" : "Singapore",
    "country" : [ "SG" ],
    "email" : [ "ml-sebgdnso-siops@singtel.com" ],
    "phone" : [ "+65-91374386" ],
    "mnt_ref" : [ "APNIC-HM" ],
    "mnt_by" : [ "APNIC-HM" ],
    "date_updated" : "2024-09-02",
    "source" : "APNIC"
  },
  "administrative_contacts" : [ {
    "handle" : "NSI1-AP",
    "name" : "NCS Shared Infra",
    "address" : [ "5 Ang Mo Kio Street 62" ],
    "street" : "Ang Mo Kio Street 62",
    "country" : "SG",
    "email" : [ "mns_infra@ncs.com.sg" ],
    "phone" : [ "+65-66683011" ],
    "admin_contacts" : [ "ITSI3-AP" ],
    "tech_contacts" : [ "ITSI3-AP" ],
    "mnt_by" : [ "MAINT-NCS-MNS-SG" ],
    "date_updated" : "2024-10-30",
    "source" : "APNIC"
  } ],
  "technical_contacts" : [ {
    "handle" : "NSI1-AP",
    "name" : "NCS Shared Infra",
    "address" : [ "5 Ang Mo Kio Street 62" ],
    "street" : "Ang Mo Kio Street 62",
    "country" : "SG",
    "email" : [ "mns_infra@ncs.com.sg" ],
    "phone" : [ "+65-66683011" ],
    "admin_contacts" : [ "ITSI3-AP" ],
    "tech_contacts" : [ "ITSI3-AP" ],
    "mnt_by" : [ "MAINT-NCS-MNS-SG" ],
    "date_updated" : "2024-10-30",
    "source" : "APNIC"
  } ],
  "abuse_contacts" : [ {
    "handle" : "AN1093-AP",
    "name" : "ABUSE NCSMNSSG",
    "country" : "ZZ",
    "email" : [ "ml-sebgdnso-siops@singtel.com" ],
    "abuse_mailbox" : [ "ml-sebgdnso-siops@singtel.com" ],
    "phone" : [ "+000000000" ],
    "admin_contacts" : [ "PHA3-AP" ],
    "tech_contacts" : [ "PHA3-AP" ],
    "remarks" : [ "Generated from irt object IRT-NCS-MNS-SG", "ml-sebgdnso-siops@singtel.com was validated on 2026-03-11" ],
    "mnt_by" : [ "APNIC-ABUSE" ],
    "date_updated" : "2026-03-11",
    "source" : "APNIC"
  } ]
}

Peers

AS Number	Description	Country
AS9255	Singapore Telecom	SG
AS9255	Singapore Telecom, ConnectPlus	SG

Upstreams

AS Number	Description	Country
AS9255	Singapore Telecom, ConnectPlus	SG

Contacts

Email Contacts

mns_infra@ncs.com.sg ml-sebgdnso-siops@singtel.com

Abuse Contacts

ml-sebgdnso-siops@singtel.com