Home Prefix Lookup2001:4500:1000::/40

2001:4500:1000::/40 - National Center For High Performance Computing (AS7539)

IPv6APNICannouncedAS7539TWAREN-TW - National Center for High-performance Computing RPKI Valid

CIDR

2001:4500:1000::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇹🇼 Taiwan

City

Muzha

RIR

APNIC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2001:4500:1000::/40	AS7539 TWAREN-TW - National Center for High-performance Computing	Valid	APNIC	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:4500::/32	AS18183 NCREE - National Center for Research on Earthquake Engineering	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:4500:1000::/40	AS7539	/64	apnic
2001:4500::/32	AS18183	/64	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7539	APNIC	MAINT-TW-TWNIC	2023-11-06

Origin ASN

AS7539

TWAREN-TW - National Center for High-performance Computing

Related Prefixes

Covering prefix

2001:4500::/32AS18183

More prefixes of AS7539

All prefixes of AS7539 →

Geolocation

Country🇹🇼TaiwanTW

RegionTaiwan

CityMuzha

Coordinates24.9889, 121.5640 ↗

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfers in the APNIC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2001:4500:1000::/40

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2001:4500:1000::/40" | jq

External Links

RIPEstat