Home Prefix Lookup2001:200:600::/40

2001:200:600::/40 - KDDI Research (AS7667)

IPv6APNICassignedAS7667KDDLAB - KDDI Research, Inc. RPKI Valid

CIDR

2001:200:600::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇯🇵 Japan

City

Saitama

RIR

APNIC

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:200:600::/40	AS7667 KDDLAB - KDDI Research, Inc.	Valid	APNIC	2026-10-26

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:200::/32	AS2500 WIDE-BB - WIDE Project	Valid	-	2026-10-26

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:200:600::/40	AS7667	/40	apnic
2001:200::/32	AS2500	/32	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS7667	APNIC	MAINT-JP-WIDE	2026-09-09

More Specific Prefixes

Prefix	Country	Status
2001:200:601::/48	🇯🇵JP	assigned
2001:200:602::/48	🇯🇵JP	assigned
2001:200:603::/48	🇯🇵JP	assigned
2001:200:606::/48	🇯🇵JP	assigned

Origin ASN

AS7667

KDDLAB - KDDI Research, Inc.

Related Prefixes

Covering prefix

2001:200::/32AS2500

More prefixes of AS7667

All prefixes of AS7667 →

Geolocation

Country🇯🇵JapanJP

RegionSaitama

CitySaitama

Coordinates35.8898, 139.6520 ↗

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/2001:200:600::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2001:200:600::/40" | jq

External Links

RIPEstat