AS18047 National Tsing-Hua University

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National Tsing-Hua University

AS Number 18047

Overview
Prefixes
Connectivity
Whois

Network status: Active, Allocated under APNIC

Network type: Eyeball

Prefixes Originated: 2 IPv4, 0 IPv6

Upstreams

AS9505 - Taiwan Internet Gateway

Rankings

#38 for Estimated Eyeballs in Taiwan

#60 for Unique Domains in Taiwan

#61 for Known Peers in Taiwan

#28 for Originated IPv4 Space in Taiwan

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Prefixes Originated

2 IPv4, 0 IPv6

Addresses Originated

288 /24's of IPv4

0 /48's of IPv6

	Prefix	Description
	120.127.160.0/19	Ministry of Education Computer Center
	140.114.0.0/16	Taiwan Academic Network

	ASN	Description	IPv4	IPv6
	AS9505	Taiwan Internet Gateway	✔	✘

ASN	Description	IPv4	IPv6
AS9505	Taiwan Internet Gateway	✔	✘
AS7539	National Center for High-performance Computing	✔	✘
AS9264	Academia Sinica	✔	✘
AS3462	HiNet (Chunghwa Telecom)	✔	✘

aut-num:        AS18047
as-name:        NTHU-TW
descr:          National Tsing-Hua University
descr:          Hsinchu, Taiwan
country:        TW
import:         from AS1659 action pref=10; accept ANY
import:         from AS3462 action pref=20; accept ANY
import:         from AS9924 action pref=20; accept ANY
export:         to AS1659 announce AS18047
export:         to AS3462 announce AS18047
export:         to AS9924 announce AS18047
default:        to AS1659 action pref=100; networks ANY
admin-c:        SC547-AP
tech-c:         SC547-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2021-11-04T00:49:55Z
source:         APNIC

Last Update: 2025-04-17T03:22:13Z UTC

Member of the following AS-SETs

-	Member	ASN Count
NTTCOM	as-asnet	15
APNIC	as-63529-as-import-as9505	377
APNIC	as-asnet	15
ARIN	as293:as-from-singaren-to-esnet	4548
NTTCOM	as-tfn-domestic	31
APNIC	as9264:as-members	186
APNIC	as1659:as-tanet	18
RADB	as-tfn-domestic	31
APNIC	as-t-9264	14
APNIC	as7539:as-twaren	13
RADB	as-twig	3410

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Peers

Member of the following AS-SETs