Home Prefix Lookup206.73.80.0/20

206.73.80.0/20 - BT British Telecommunications Limited (AS5400)

IPv4ARINannouncedAS5400BT British Telecommunications Limited RPKI Valid

CIDR

206.73.80.0/20

IP Version

IPv4

Addresses

Mask

/20 (255.255.240.0)

Country

🇺🇸 United States

City

El Segundo

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
206.73.80.0/20	AS5400 BT British Telecommunications Limited	Valid	ARIN	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
206.73.0.0/16	AS5400 BT British Telecommunications Limited	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
206.73.80.0/20	AS5400	/20	arin
206.73.0.0/16	AS5400	/16	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS5400	ARIN	MNT-INFO	2026-06-09

Origin ASN

AS5400

BT British Telecommunications Limited

Related Prefixes

Covering prefix

206.73.0.0/16AS5400

More prefixes of AS5400

All prefixes of AS5400 →

Geolocation

Country🇺🇸United StatesUS

RegionCalifornia

CityEl Segundo

Coordinates33.9188, -118.3890 ↗

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 ARIN regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/206.73.80.0/20

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

curl -s "https://api.ipctl.io/v1/prefix/206.73.80.0/20" | jq

External Links

RIPEstat