Home Prefix Lookup198.51.11.0/24

198.51.11.0/24 - National Oceanic And Atmospheric Administration (AS3477)

IPv4ARINallocatedAS3477NOAA-NWAVE - National Oceanic and Atmospheric Administration RPKI Valid

CIDR

198.51.11.0/24

IP Version

IPv4

Addresses

256

Mask

/24 (255.255.255.0)

Country

🇺🇸 United States

City

Washington D.C. (Northwest Washington)

RIR

ARIN

Status

allocated

Allocated

1993-01-25

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
198.51.11.0/24	AS3477 NOAA-NWAVE - National Oceanic and Atmospheric Administration	Valid	ARIN	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
198.51.11.0/24	AS3477	/24	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS3477	ARIN	MNT-NTIA-1	2026-04-27

Origin ASN

AS3477

NOAA-NWAVE - National Oceanic and Atmospheric Administration

Related Prefixes

More prefixes of AS3477

All prefixes of AS3477 →

Geolocation

Country🇺🇸United StatesUS

RegionDistrict of Columbia

CityWashington D.C. (Northwest Washington)

Coordinates38.8939, -77.0324 ↗

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/198.51.11.0/24

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

curl -s "https://api.ipctl.io/v1/prefix/198.51.11.0/24" | jq

External Links

RIPEstat