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	Prefix	Description
	203.30.38.0/24	Singapore Advanced Research and Education Network Gig...
	203.30.39.0/24	Singapore Advanced Research and Education Network Gig...
	2001:df0:21a::/48	SingAREN

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS4637	Telstra Global	✔	✔
	AS134148	SingAREN	✘	✔
	AS136968	SingAREN	✔	✘
	AS6939	Hurricane Electric LLC	✘	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS4637	Telstra Global	✔	✔
	AS136968	SingAREN	✔	✘
	AS134148	SingAREN	✔	✔
	AS7660	Asia Pacific Advanced Network - Japan	✔	✔
	AS132398	Science and Engineering Institutes	✔	✔
	AS23864	Singapre Advance Research and Education Network - Nat...	✔	✔
	AS24514	Malaysian Research & Education Network	✔	✔
	AS9419	Nanyang Technological University	✔	✔
	AS23767	A-STAR	✔	✔
	AS293	ESnet	✔	✔
	AS24490	Trans-Eurasia Information Network (TEIN2) - SG	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS9885	NKN INTERNET GATEWAY NETWORK	✔	✔
	AS38229	Lanka Education & Research Network, NREN	✔	✔
	AS59105	Home NOC Operators Group	✔	✔
	AS20965	GEANT Vereniging	✔	✔
	AS2907	Science Information Network	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS7497	Computer Network Information Center of Chinese Academ...	✔	✘
	AS137207	Joint Universities Computer Centre Limited	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS1103	SURF B.V.	✔	✔
	AS59238	Innovative Extremist Co., Ltd.	✔	✘
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS58453	China Mobile International	✘	✔
	AS1828	Unitas Global	✔	✔
	AS50999	King Abdullah University of Science and Technology	✘	✔
	AS2515	Japan Network Information Center	✔	✔
	AS2635	Automattic, Inc	✔	✔
	AS917	Misaka Network, Inc.	✔	✘
	AS138997	Eons Data Communications Limited	✔	✘
	AS8849	Melbikomas UAB	✔	✔
	AS9270	National Infomation Society Agency	✔	✘
	AS45259	Bruhaas (B) Sdn Bhd	✔	✘
	AS55850	Mercury NZ Limited	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS55518	SGIX Route Servers	✔	✘
	AS36236	NetActuate, Inc	✔	✔
	AS35280	F5 Networks SARL	✔	✘
	AS3786	LG DACOM Corporation	✔	✘
	AS63927	RISE	✔	✘
	AS6774	BICS (Belgacom)	✔	✘
	AS45430	SBN-IIG/AWN-IIG transit provider	✔	✘
	AS24198	PT Datakom Padma Jaya	✔	✘
	AS58495	PT Parsaoran Global Datatrans	✔	✘
	AS64049	Reliance Jio Infocomm Pte. Ltd.	✔	✘
	AS23815	Japan Internet Xing Co., Ltd.	✔	✘
	AS9304	HGC Global Communications Limited	✔	✘
	AS206350	Oman Research and education Network (OMREN)	✔	✔
	AS59217	Azonne Limited	✔	✘
	AS10099	China Unicom Global	✔	✘
	AS134654	PT Data Utama Dinamika	✔	✘
	AS38082	True International Gateway Co., Ltd.	✔	✘
	AS9821	Department of Science and Technology	✔	✘
	AS45735	PT Uninet Media Sakti	✔	✘
	AS24482	SG.GS	✔	✔
	AS140627	OneQode	✔	✘
	AS45701	PT Internet Madju Abad Milenindo	✔	✘
	AS141983	PT Rajeg Media Telekomunikasi	✔	✘
	AS38001	NewMedia Express Pte. Ltd.	✔	✘
	AS153087	PT Telemedia Prima Nusantara	✔	✘
	AS9299	PLDT (Philippine Long Distance Telephone Company)	✔	✘
	AS4229	Zenlayer Inc	✔	✘
	AS56665	Proximus Luxembourg S.A.	✔	✘
	AS15169	Google LLC	✔	✘
	AS38158	PT Cyberindo Aditama	✔	✘
	AS132337	Axclusive	✔	✘
	AS58389	PT Sumber Data Indonesia	✔	✘
	AS17934	National Institute of Information and Communications ...	✔	✔
	AS55818	Matrix Cable Internet Exchange	✔	✘
	AS55655	PT Sarana Insan Muda Selaras	✔	✘
	AS9886	CTCSCI TECH LIMITED	✔	✘
	AS9264	Academia Sinica	✔	✔
	AS202617	Kering Eyewear S.p.A.	✔	✘
	AS4538	China Education and Research Network Center	✔	✘
	AS18187	Ignite Telecommunications Inc	✔	✘
	AS4788	TM Technology Services Sdn. Bhd.	✔	✘
	AS38195	Superloop	✔	✘

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Downstreams

	ASN	Description	IPv4	IPv6
	AS132398	Science and Engineering Institutes	✔	✔
	AS23864	Singapre Advance Research and Education Network - Nat...	✘	✔
	AS134148	SingAREN	✔	✔
	AS9419	Nanyang Technological University	✔	✘
	AS23767	A-STAR	✔	✘

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-APAS2199-AP
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


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
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:04Z
source:         APNIC

Last Update: 2025-12-25T03:22:12Z UTC

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Member of the following AS-SETs

-	Member
RADB	as-telstra-intl-customers
APNIC	as23855:as-singaren
ARIN	as-xo-b
ARIN	as293:as-from-singaren-to-esnet
RADB	as-pacnet-customer-proxy-register
RADB	as-telstra-testing-1
RADB	as-anc-customer-proxy-register
RADB	as-iij
RADB	as-kddcustomer2
RADB	as-pacnet-downstream-sg
RADB	as-hurricanev6
LEVEL3	as-starhub
RADB	as-gorex
RADB	as3491:as-customers-ap
APNIC	as23855:as-rne-local-institution
APNIC	as-singaren-sg
APNIC	as134148:as-rne-local-institution
RIPE	as20965:as-from-tein-to-geant
RADB	as7575:as-research
APNIC	as134148:as-local-institution
APNIC	as23855:as-local-institution
LEVEL3	as-level3-origins-na
JPIRR	as-iij