2001:500:a8::/48

🇺🇸

CIDR

2001:500:a8::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

Washington

RIR

ARIN

Status

allocated

Allocated

7/18/2013

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:500:a8::/48	AS21556NARC-EROOT - National Aeronautics and Space Administration	No ROA	RADB	5/30/2026

Origin	Registry	Maintainer	Modified
AS42	RADB	MAINT-AS3856	11/13/2023
AS21556	RADB	MAINT-AS3856	4/5/2024

Origin ASN

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

API

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

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

External Links