View

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
	203.145.192.0/21	National Applied Research Laboratories

---

Network Policy

Click here to learn more about what this graph means and what makes up a network policy Global Aggregation Policy musing_bartik

Chart Display Options

Display links using non straight lines

Prefixes in selected policy

Load all prefixes in policy

---

How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS7539	National Center for High-performance Computing	✔	✘

---

Peers

	ASN	Description	IPv4	IPv6
	AS7539	National Center for High-performance Computing	✔	✘

aut-num:        AS18426
as-name:        STPI-AS-TW
descr:          National Applied Research Laboratories
descr:          3F, No. 106, Ho-Ping E. Road, Sec. 2 Taipei 106, Taiwan , ROC
descr:          Taipei Taiwan 106
country:        TW
import:         from AS1659 action pref=100; accept ANY
import:         from AS3462 action pref=100; accept ANY
import:         from AS4782 action pref=100; accept ANY
import:         from AS7539 action pref=100; accept ANY
export:         to AS1659 announce AS18426
export:         to AS3462 announce AS18426
export:         to AS4782 announce AS18426
export:         to AS7539 announce AS18426
admin-c:        nNA6-AP
tech-c:         nNA6-AP
abuse-c:        AT939-AP
mnt-by:         MAINT-TW-TWNIC
mnt-irt:        IRT-TWNIC-AP
last-modified:  2021-11-04T00:49:29Z
source:         APNIC

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

---

Member of the following AS-SETs

-	Member	ASN Count
APNIC	as58453:as-asiaascust	25151
APNIC	as-t-9264	14
RADB	as-twig	3410
RADB	as-ebix-transit	73
RIPE	as-transroute-spec	17673
APNIC	as9264:as-members	186
LEVEL3	as-level3-origins-eu	0
APNIC	as7539:as-twaren	13
LEVEL3	as-level3-origins-na	0
RADB	as-above-as-ap	21
RADB	as-chief-transit	14869
RADB	as-tpix	89262
APNIC	as-63529-as-import-as9505	377
RADB	as58453:as-asiaascust	25151