ASN AS1250 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS1250?

AS1250 is listed under National University of Singapore.

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.

AS1250 National University of Singapore

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National University of Singapore nusvm.nus.sg

SG 0 Routes

AS Data

AS1250

AS1250 – National University of Singapore

AS Number	1250
AS Name	ERX-SINGAPORE-AS
Organization	National University of Singapore(org-nuos1-ap)
Country	SG
Website	nusvm.nus.sg
Number of IPv4 Routes	0
Number of IPv6 Routes	0
ASN type	EDUCATION
Registry	APNIC
Date Allocated	N/A

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Use ASN data for AS1250 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 'AS1250'

% Abuse contact for 'AS1250' is 'abuse@nus.edu.sg'

aut-num:        AS1250
as-name:        ERX-SINGAPORE-AS
descr:          NUS Information Technology
descr:          National University of Singapore
descr:          2 Engineering Drive 4, Singapore 117584
country:        SG
remarks:        This aut-num object created as part of the ER-Transfer from ARIN
org:            ORG-NUOS1-AP
admin-c:        CL689-AP
tech-c:         CL689-AP
abuse-c:        AN1032-AP
mnt-lower:      MAINT-NUS-AP
mnt-routes:     MAINT-NUS-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-NUS-SG
last-modified:  2021-01-08T06:08:58Z
source:         APNIC

irt:            IRT-NUS-SG
address:        NUS Information Technology
address:        2 Engineering Drive 4
address:        National University of Singapore
address:        Singapore 117584
e-mail:         abuse@nus.edu.sg
abuse-mailbox:  abuse@nus.edu.sg
admin-c:        CN89-AP
tech-c:         CN89-AP
auth:           # Filtered
remarks:        abuse@nus.edu.sg was validated on 2025-11-05
mnt-by:         MAINT-NUS-AP
last-modified:  2026-01-09T04:09:56Z
source:         APNIC

organisation:   ORG-NUOS1-AP
org-name:       National University of Singapore
org-type:       LIR
country:        SG
address:        2 Engineering Drive 4
phone:          +65-6516-7440
fax-no:         +65-6778-0198
e-mail:         infranoc@nus.edu.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:43Z
source:         APNIC

role:           ABUSE NUSSG
country:        ZZ
address:        NUS Information Technology
address:        2 Engineering Drive 4
address:        National University of Singapore
address:        Singapore 117584
phone:          +000000000
e-mail:         abuse@nus.edu.sg
admin-c:        CN89-AP
tech-c:         CN89-AP
nic-hdl:        AN1032-AP
remarks:        Generated from irt object IRT-NUS-SG
remarks:        abuse@nus.edu.sg was validated on 2025-11-05
abuse-mailbox:  abuse@nus.edu.sg
mnt-by:         APNIC-ABUSE
last-modified:  2025-11-05T01:34:58Z
source:         APNIC

person:         Chandra Liem
address:        National University of Singapore
address:        Computer Centre
address:        10 Kent Ridge Crescent
country:        SG
phone:          +65 7722527
e-mail:         NSRCCL@NUSVM.NUS.SG
nic-hdl:        CL689-AP
remarks:        This person object created as part of the ER-Transfer from ARIN
mnt-by:         MAINT-SG-NAT-UNI-SINGAPORE
last-modified:  2008-09-04T07:29:19Z
source:         APNIC

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



#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#


ASNumber:       1250
ASName:         APNIC-1250
ASHandle:       AS1250
RegDate:        2002-07-31
Updated:        2009-10-08
Comment:        This AS number is not registered in the ARIN database.
Comment:        For details, refer to the APNIC Whois Database via
Comment:        WHOIS.APNIC.NET or http://wq.apnic.net/apnic-bin/whois.pl    
Ref:            https://rdap.arin.net/registry/autnum/1250

ResourceLink:  https://apps.db.ripe.net/db-web-ui/query
ResourceLink:  whois.apnic.net


OrgName:        Asia Pacific Network Information Centre
OrgId:          APNIC
Address:        PO Box 3646
City:           South Brisbane
StateProv:      QLD
PostalCode:     4101
Country:        AU
RegDate:        
Updated:        2012-01-24
Ref:            https://rdap.arin.net/registry/entity/APNIC

ReferralServer:  whois://whois.apnic.net
ResourceLink:  http://wq.apnic.net/whois-search/static/search.html

OrgTechHandle: AWC12-ARIN
OrgTechName:   APNIC Whois Contact
OrgTechPhone:  +61 7 3858 3188 
OrgTechEmail:  search-apnic-not-arin@apnic.net
OrgTechRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN

OrgAbuseHandle: AWC12-ARIN
OrgAbuseName:   APNIC Whois Contact
OrgAbusePhone:  +61 7 3858 3188 
OrgAbuseEmail:  search-apnic-not-arin@apnic.net
OrgAbuseRef:    https://rdap.arin.net/registry/entity/AWC12-ARIN


#
# ARIN WHOIS data and services are subject to the Terms of Use
# available at: https://www.arin.net/resources/registry/whois/tou/
#
# If you see inaccuracies in the results, please report at
# https://www.arin.net/resources/registry/whois/inaccuracy_reporting/
#
# Copyright 1997-2026, American Registry for Internet Numbers, Ltd.
#