Home Prefix Lookup2001:500:a8::/48

2001:500:a8::/48 - National Aeronautics And Space Administration (AS21556)

IPv6ARINallocated AnycastAS21556NARC-EROOT - National Aeronautics and Space AdministrationNo ROA

CIDR

2001:500:a8::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

Washington

RIR

ARIN

Status

allocated

Allocated

2013-07-18

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:500:a8::/48	AS21556 NARC-EROOT - National Aeronautics and Space Administration	No ROA	Other IRR	2026-10-11

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS42	Other IRR	MAINT-AS3856	2023-11-13
AS21556	Other IRR	MAINT-AS3856	2024-04-05

Transfer History

Registry transfers of 2001:500:a8::/48, blocks inside it, or blocks containing it.

2001:500:a8::/48M&A · 2024-03-21
NASA Ames Research Center
🇺🇸 US ARIN
→
National Aeronautics and Space Administration
🇺🇸 US ARIN

Date	Resource	From	To	Type
2024-03-21	2001:500:a8::/48	NASA Ames Research Center 🇺🇸 US ARIN	National Aeronautics and Space Administration 🇺🇸 US ARIN	M&A

Origin ASN

AS21556

NARC-EROOT - National Aeronautics and Space Administration

Related Prefixes

More prefixes of AS21556

All prefixes of AS21556 →

Geolocation

This is an anycast prefix. The location shown is the organization HQ - actual server location varies by your network path.

Country🇺🇸United StatesUS

RegionVirginia

CityWashington

TimezoneAmerica/New_York

Coordinates38.9072, -77.0369 ↗

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/2001:500:a8::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2001:500:a8::/48" | jq

External Links

RIPEstat