ASN Lookup Tool

SingAREN singaren.net.sg SG SG 3 Routes

AS Data

AS23855

AS23855SingAREN

AS Number 23855
AS Name SINGAREN-GIX-AS-AP
Organization SingAREN(org-sa8-ap)
Country SG
Website singaren.net.sg
Number of IPv4 Routes 2
Number of IPv6 Routes 1
ASN type ISP
Registry APNIC
Date Allocated N/A

ASN Intelligence API for production workflows

Use ASN data for AS23855 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

Access complete peers, upstreams, downstreams, routes, WHOIS, and contact intelligence via our API. Learn more

IP Ranges

Route # IPs
203.30.39.0/24 256
2001:df0:21a::/48 ~1×10²⁴
203.30.38.0/24 256

Raw Whois Response

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

% Information related to 'AS23552 - AS24575'

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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 'AS23854 - AS23944'

as-block:       AS23854 - AS23944
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:  2008-09-04T06:40:26Z
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 'AS23855'

% Abuse contact for 'AS23855' is 'networkadmin@singaren.net.sg'

aut-num:        AS23855
as-name:        SINGAREN-GIX-AS-AP
descr:          Singapore Advanced Research and Education Network
descr:          GigaPoPExchange
country:        SG
import:         from AS10026 action pref=100; accept ANY
import:         from AS4657 action pref=100; accept ANY
import:         from AS9419 action pref=1; accept ANY
export:         to AS9419 announce AS23855
export:         to AS10026 announce AS23855
export:         to AS4657 announce AS23855
org:            ORG-SA8-AP
admin-c:        SPG12-AP
tech-c:         SPG12-AP
abuse-c:        AS2199-AP
notify:         simonpetergreen@singaren.net.sg
mnt-lower:      MAINT-SINGAREN-OPEN-EXCHANGE
mnt-routes:     MAINT-SINGAREN-OPEN-EXCHANGE
mnt-by:         APNIC-HM
mnt-irt:        IRT-SINGAREN-GIX-SG
last-modified:  2024-04-24T09:32:55Z
source:         APNIC

irt:            IRT-SINGAREN-GIX-SG
address:        SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:
address:        Singapore 138632
e-mail:         networkadmin@singaren.net.sg
abuse-mailbox:  networkadmin@singaren.net.sg
admin-c:        SPG12-AP
tech-c:         SPG12-AP
auth:           # Filtered
remarks:        networkadmin@singaren.net.sg was validated on 2026-02-25
mnt-by:         MAINT-SINGAREN-OPEN-EXCHANGE
last-modified:  2026-02-25T02:25:06Z
source:         APNIC

organisation:   ORG-SA8-AP
org-name:       SingAREN
org-type:       LIR
country:        SG
address:        Singapore Advanced Research and Education Network (SingAREN)
address:        c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        # 17-01 Connexis South
phone:          +65-67905218
e-mail:         admin@singaren.net.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:04Z
source:         APNIC

role:           ABUSE SINGARENGIXSG
country:        ZZ
address:        SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:
address:        Singapore 138632
phone:          +000000000
e-mail:         networkadmin@singaren.net.sg
admin-c:        SPG12-AP
tech-c:         SPG12-AP
nic-hdl:        AS2199-AP
remarks:        Generated from irt object IRT-SINGAREN-GIX-SG
remarks:        networkadmin@singaren.net.sg was validated on 2026-02-25
abuse-mailbox:  networkadmin@singaren.net.sg
mnt-by:         APNIC-ABUSE
last-modified:  2026-02-25T02:25:32Z
source:         APNIC

person:         Simon Peter Green
address:        Singapore Advanced Research and Education Network (SingAREN)
address:        c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        #17-01 Connexis South
address:        Singapore 138632
country:        SG
phone:          +65 9653 0930
e-mail:         simonpetergreen@singaren.net.sg
nic-hdl:        SPG12-AP
mnt-by:         MAINT-SINGAREN-OPEN-EXCHANGE
remarks:        Manager (Network & Services)
last-modified:  2024-04-24T12:44:21Z
source:         APNIC

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

Parsed Whois Response

Peers

AS Number Description Country
AS7660 Asia Pacific Advanced Network - Japan JP
AS64049 Reliance Jio Infocomm Pte Ltd Singapore SG
AS23864 Singapre Advance Research and Education Network - National Grid Office - IHPC SG
AS6939 Hurricane Electric LLC US
AS137207 Joint Universities Computer Centre Limited HK
AS4777 Asia Pacific Network Information Centre JP
AS23864 Singapre Advance Research and Education Network National Grid Office IHPC SG
AS9270 National Infomation Society Agency KR
AS4775 Globe Telecoms PH
AS4637 Telstra Global HK

Upstreams

AS Number Description Country
AS20965 GEANT Vereniging NL
AS9304 HGC Global Communications Limited HK
AS64049 Reliance Jio Infocomm Pte Ltd Singapore SG
AS24490 Tsinghua University, Beijing 100084, China CN
AS134148 SingAREN SG
AS6939 Hurricane Electric LLC US
AS23864 Singapre Advance Research and Education Network National Grid Office IHPC SG
AS2907 Research Organization of Information and Systems, National Institute of Informatics JP
AS136968 SingAREN SG
AS35280 F5 Networks SARL FR

Downstreams

AS Number Description Country
AS45259 BRUHAAS BN
AS24514 MINISTRY OF HIGHER EDUCATION MALAYSIA MY
AS9419 Nanyang Technological University SG
AS132398 Science and Engineering Institutes SG
AS38229 Lanka Education and Research Network LK
AS50999 King Abdullah University of Science and Technology SA
AS24490 Tsinghua University, Beijing 100084, China CN
AS134148 SingAREN SG
AS4538 Tsinghua University CN
AS137207 Joint Universities Computer Centre Limited HK

Contacts

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Frequently Asked Questions

ASN AS23855 is an Autonomous System Number used to identify a network for BGP internet routing.
AS23855 is listed under SingAREN.
Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.
Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.
WHOIS provides registration and contact context for ASN ownership, administration, and operational reference.
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.