Home Prefix Lookup2402:fb00:c200::/39

2402:fb00:c200::/39 - BT British Telecommunications Limited (AS5400)

IPv6APNICannouncedAS5400BT British Telecommunications Limited RPKI Valid

CIDR

2402:fb00:c200::/39

IP Version

IPv6

Addresses

618.9Y

Mask

/39

Country

🇺🇸 United States

City

Irving

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
2402:fb00:c200::/39	AS5400 BT British Telecommunications Limited	Valid	APNIC	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2402:fb00::/32	AS3300 BT British Telecommunications Limited	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2402:fb00:c200::/39	AS5400	/39	apnic
2402:fb00::/32	AS3300	/32	apnic

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS5400	APNIC	MAINT-AP-INFONET	2026-07-06

Origin ASN

AS5400

BT British Telecommunications Limited

Related Prefixes

Covering prefix

2402:fb00::/32AS3300

More prefixes of AS5400

All prefixes of AS5400 →

Geolocation

Country🇺🇸United StatesUS

RegionTexas

CityIrving

Coordinates32.9291, -96.9895 ↗

Abuse Contact

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/2402:fb00:c200::/39

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

curl -s "https://api.ipctl.io/v1/prefix/2402:fb00:c200::/39" | jq

External Links

RIPEstat