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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	103.124.72.0/22	National Applied Research Laboratories
	140.110.0.0/16	Ministry of Education Computer Center
	140.110.200.0/21	Ministry of Education Computer Center
	140.110.215.0/24	Ministry of Education Computer Center
	211.73.64.0/19	National Center for High-Performance Computing
	211.79.48.0/20	National Center for High-performance Computing
	103.160.220.0/24	National Applied Research Laboratories National Cente...
	203.145.200.0/21	National Applied Research Laboratories
	203.145.208.0/20	National Applied Research Laboratories
	2001:e10::/32	Taiwan Advanced Research and Education

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS6939	Hurricane Electric LLC	✘	✔
	AS18423	RAID Networks Co., Ltd.	✔	✘

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Peers

	ASN	Description	IPv4	IPv6
	AS6939	Hurricane Electric LLC	✔	✔
	AS9924	Taiwan Fixed Network, Telco and Network Service Provider.	✔	✔
	AS11537	Internet2	✔	✔
	AS15412	Flag Telecom UK Limited	✔	✔
	AS13335	Cloudflare, Inc.	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS15169	Google LLC	✔	✔
	AS9264	Academia Sinica	✔	✔
	AS1659	Taiwan Academic Network (TANet) Information Center	✔	✔
	AS18183	National Center for Research on Earthquake Engineering	✔	✘
	AS4780	Digital United Inc.	✔	✔
	AS2153	CENIC	✔	✔
	AS16509	Amazon.com, Inc.	✔	✔
	AS714	Apple Inc.	✔	✔
	AS17709	Asia Pacific Telecom	✔	✔
	AS137409	GSL Networks Pty LTD	✔	✔
	AS32098	Flō Networks (Transtelco Inc.)	✔	✔
	AS17408	AboveNet Communications Taiwan	✔	✔
	AS8075	Microsoft Corporation	✔	✔
	AS6509	CANARIE Inc	✔	✔
	AS24482	SG.GS	✔	✔
	AS18426	National Applied Research Laboratories	✔	✘
	AS58807	China Mobile International Limited	✔	✔
	AS4637	Telstra International Limited	✔	✔
	AS3462	HiNet (Chunghwa Telecom)	✔	✔
	AS7575	Australian Academic and Research Network (AARNet)	✔	✔
	AS9505	Taiwan Internet Gateway	✔	✔
	AS9681	Formosa Open eXchange(FOX)	✔	✘
	AS36351	IBM Cloud	✔	✔
	AS3303	Swisscom (Schweiz) AG	✔	✔
	AS9919	New Century InfoComm Tech Co., Ltd.	✔	✔
	AS23764	China Telecom Global	✘	✔
	AS10099	China Unicom Global	✔	✔
	AS18181	National Health Research Institutes	✔	✘
	AS18423	RAID Networks Co., Ltd.	✔	✔
	AS140570	Hong Kong Beecloud System Technology Services Limited	✔	✔
	AS668	DoD High Performance Computing (Defense Research and Engineering Network)	✔	✔
	AS932	XNNET LLC	✔	✔
	AS1103	SURF B.V.	✔	✔
	AS17717	Ministry of Education Computer Center Taipei, Taiwan	✔	✔
	AS101	University of Washington	✔	✔
	AS9304	HGC Global Communications Limited	✔	✘
	AS18592	Corporacion Universitaria para el Desarrollo de Inter...	✔	✘
	AS293	ESnet	✔	✔
	AS10310	Yahoo Holdings Inc.	✔	✔
	AS22335	Metropolitan Research and Education Network	✔	✔
	AS21859	Zenlayer Inc	✔	✔
	AS226	Los Nettos	✔	✔
	AS16552	Tiggee LLC	✔	✔
	AS38022	REANNZ National Research and Education Network	✔	✔
	AS18046	DongFong Technology Co. Ltd.	✔	✘
	AS131596	TBC	✔	✘
	AS42	WoodyNet, Inc.	✔	✔
	AS134823	Sky Digital Co., Ltd.	✔	✔
	AS20940	Akamai International B.V.	✔	✔
	AS18041	Taiwan Digital Streaming Co.	✔	✔
	AS9922	New Kaohsiung Broadband LTD.	✔	✘
	AS19551	Incapsula Inc	✔	✔
	AS131273	CORE WINNER CO.,LIMITED	✔	✘
	AS62468	VpsQuan L.L.C.	✔	✘
	AS9416	Hoshin Multimedia Center Inc.	✔	✘
	AS131645	KlickKlack Co., Ltd	✔	✔
	AS18182	Sony Network Taiwan Limited	✔	✔
	AS45474	Nexusguard Pte. Ltd.	✔	✘
	AS18422	Industrial Technology Research Institute	✔	✔
	AS2907	Science Information Network	✔	✔
	AS2687	AT&T Enterprises, LLC	✔	✔
	AS4788	TM Technology Services Sdn. Bhd.	✔	✘
	AS9678	HostingInside LTD.	✔	✔
	AS7656	Taiwan Network Access Point	✔	✘
	AS131607	Digidom CableTV Co., LTD.	✔	✘
	AS38841	kbro CO. Ltd.	✔	✔
	AS14537	Continent 8 LLC	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS213605	Liu HaoRan	✔	✔
	AS9244	Diyixian.com (TW) Limited	✔	✔
	AS17716	National Taiwan University	✔	✘
	AS131627	Peicity Digital Cable Television., LTD	✔	✘
	AS55720	Gigabit Hosting Sdn Bhd	✔	✘
	AS18047	National Tsing-Hua University	✔	✘
	AS40676	Psychz Networks	✔	✘
	AS4782	Government Service Network	✔	✘
	AS38851	TWT Digital Communication Inc.,	✔	✘
	AS138995	Antbox Networks Limited	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS9916	National Yang Ming Chiao Tung University	✔	✘
	AS17712	National Chung Cheng University	✔	✘
	AS18420	National Central University	✔	✘
	AS19679	Dropbox, Inc.	✔	✔
	AS152615	Chummy Technology Ltd.	✔	✔
	AS203391	Cloud DNS Ltd	✔	✔
	AS131149	Yuan-Jhen Info., Co., Ltd	✔	✔
	AS215248	Bastiaan Mathijs Brink	✔	✔
	AS24	National Aeronautics and Space Administration	✔	✔
	AS54994	Meteverse Limited	✔	✔
	AS17711	National Dong Hwa University	✔	✘
	AS150767	Shi Ji Industrial Co., Ltd.	✔	✔
	AS32361	UltraLight	✔	✔
	AS44324	MoeDove LLC	✔	✔
	AS64078	Star Framework Co.	✔	✘
	AS18044	Kanrays Technology Co., Ltd.	✔	✔
	AS150771	FUYU Group Inc.	✔	✔
	AS8674	Netnod AB	✘	✔
	AS131643	Chirue Technology Co., Ltd.	✔	✘
	AS131644	Taiwan Network Information Center	✔	✘
	AS17713	National Sun Yat-sen University	✔	✔
	AS917	Misaka Network, Inc.	✘	✔
	AS141742	Magna Hosting Ltd	✔	✘
	AS208414	WEDOS Internet, a.s.	✔	✘
	AS38047	Taiwan Telecom	✘	✔
	AS18424	CM Craft Aesthetic	✔	✘
	AS138915	Kaopu Cloud HK Limited	✔	✔
	AS18186	Nebula Global LLC	✔	✔
	AS131638	ZUSO Generation Co., Ltd.	✘	✔
	AS52025	ParadoxNetworks Limited	✘	✔
	AS209109	DataSphere (H.K) Limited	✔	✔
	AS24429	Alibaba Cloud	✔	✔
	AS38254	Internet Technology Laboratory	✔	✔
	AS18043	Department of Education, Hsinchu City	✔	✔
	AS137280	Kingsoft cloud corporation limited	✔	✘
	AS13150	CATO NETWORKS LTD	✔	✘
	AS147049	PacketHub S.A.	✔	✔
	AS154185	Liu HaoRan	✘	✔
	AS63897	vocom international telecom	✔	✘
	AS210440	AKAERE NETWORKS TECHNOLOGY LTD	✘	✔
	AS3856	Packet Clearing House, Inc.	✔	✔
	AS139299	FGHRSH STUDIO	✔	✔
	AS4862	Orange Business AS for Asia	✔	✘
	AS207529	LOLINYA TECHNOLOGY LTD	✘	✔
	AS146834	SiChuan XunYou Network Technologe Limit, co	✔	✘
	AS18177	National Cheng Kung University	✔	✘
	AS9915	Leemon Professional Consultant	✔	✘
	AS46829	Lamhosting LLC	✘	✔
	AS10764	University of Illinois	✔	✘
	AS984	Octopus Web Solution Inc.	✘	✔
	AS204844	NCSE NETWORK LTD	✔	✘
	AS137922	IBOSS Inc.	✘	✔
	AS139750	IDCServices.net Inc	✔	✘
	AS6507	Riot Games, Inc	✘	✔
	AS53813	ZSCALER, INC.	✔	✘
	AS131605	Inventec Besta CO.,LTD	✘	✔
	AS10135	EASPNET Inc.	✔	✘
	AS55789	TWIDC	✔	✘
	AS18185	National Chiao Tung University	✔	✘
	AS14447	Infinitron Internet LLC	✘	✔
	AS17718	Taiwan Network Information center	✔	✘
	AS57976	Blizzard Entertainment, Inc	✘	✔
	AS131630	Lazco Corporation	✘	✔
	AS150289	Sun Yanzheng	✘	✔
	AS140096	JINX CO., LIMITED	✔	✘
	AS131146	Chang Gung University	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS18183	National Center for Research on Earthquake Engineering	✔	✘
	AS1659	Taiwan Academic Network (TANet) Information Center	✔	✘
	AS18426	National Applied Research Laboratories	✔	✘
	AS18181	National Health Research Institutes	✔	✘

aut-num:        AS7539
as-name:        TWAREN-TW
descr:          National Center for High-performance Computing
descr:          HsinChu Taiwan 300
country:        TW
import:         from AS7539 action pref=10; accept ANY
import:         from AS1659 action pref=100; accept ANY
import:         from AS9264 action pref=100; accept ANY
import:         from AS145 action pref=100; accept ANY
import:         from AS7610 action pref=100; accept ANY
import:         from AS11537 action pref=100; accept ANY
import:         from AS293 action pref=100; accept ANY
import:         from AS10764 action pref=100; accept ANY
export:         to AS7539 announce AS7539
export:         to AS1659 announce AS7539
export:         to AS9264 announce AS7539
export:         to AS145 announce AS7539
export:         to AS7610 announce AS7539
export:         to AS11537 announce AS7539
export:         to AS293 announce AS7539
export:         to AS10764 announce AS7539
default:        to AS7539 action pref=100; networks ANY
admin-c:        nNA6-AP
tech-c:         nNA6-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-NCHC-TW
last-modified:  2025-11-06T09:06:40Z
source:         APNIC

Last Update: 2026-03-13T03:22:25Z UTC

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Member of the following AS-SETs

-	Member
RIPE	as-transroute-spec
RADB	as-hurricanev6
RADB	as-startapru
RADB	as-tfn-transit1
RADB	as-startapme
NTTCOM	as-tfn-transit1
RIPE	as20965:as-from-tein-to-geant
RADB	as-tpix
ARIN	as293:as-from-singaren-to-esnet
RADB	as18424:as-peers
RADB	as-startapcn
RIPE	as3303:as-swcmpeers
RADB	as-startapca
APNIC	as7539:as-twaren
RADB	as-pnw-gigapop-peers
APNIC	as63529:as-63529-as-import-as9505
APNIC	as-63529-as-import-as9505
RADB	as-tpix-2003
NTTCOM	as-asnet
ALTDB	as-tpix
RIPE	as207468:as-tw
RADB	as-twig
RADB	as-startapeu
RADB	as-startapna
APNIC	as9264:as-partner-a
RIPE	as-retn-actual-v6
RADB	as-startapla
RADB	as7575:as-research