Home Prefix Lookup2001:500:1::/48

2001:500:1::/48 - Headquarters, USAISC (AS1508)

IPv6ARINallocated AnycastAS1508DNIC-AS-01508 - Headquarters, USAISC RPKI Valid

CIDR

2001:500:1::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

Washington

RIR

ARIN

Status

allocated

Allocated

2002-11-22

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:500:1::/48	AS1508 DNIC-AS-01508 - Headquarters, USAISC	Valid	ARINOther IRR	2026-10-11

RPKI ROAs

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

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS1508	ARIN	MNT-UARL-1	2026-05-04
AS1508	Other IRR	MAINT-AS36236	2023-11-13

Origin ASN

AS1508

DNIC-AS-01508 - Headquarters, USAISC

Related Prefixes

More prefixes of AS1508

198.97.190.0/24

All prefixes of AS1508 →

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/2001:500:1::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2001:500:1::/48" | jq

External Links

RIPEstat