2001:500:1::/48

🇺🇸

CIDR

2001:500:1::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

Washington

RIR

ARIN

Status

allocated

Allocated

11/22/2002

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:500:1::/48	AS1508DNIC-AS-01508 - Headquarters, USAISC	Valid	ARINRADB	5/30/2026

Prefix	Origin	Max Length	Trust Anchor
2001:500:1::/48	AS1508	/48	arin

Origin	Registry	Maintainer	Modified
AS1508	ARIN	MNT-UARL-1	5/4/2026
AS1508	RADB	MAINT-AS36236	11/13/2023

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/2001:500:1::/48" | jq

External Links