Home Prefix Lookup2001:500:200::/44

2001:500:200::/44 - B.Root Server OPS (AS394353)

IPv6ARINallocated AnycastAS394353BROOT-AS - B.Root-Server-OPS RPKI Valid

CIDR

2001:500:200::/44

IP Version

IPv6

Addresses

19.3Y

Mask

/44

Country

🇺🇸 United States

City

Washington

RIR

ARIN

Status

allocated

Allocated

2016-08-23

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:500:200::/44	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	ARIN	2026-10-11

More-Specific Announcements

10 more-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:500:200::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:201::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:202::/48	AS4 ISI-AS - University of Southern California	Valid	-	2026-10-11
2001:500:204::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:205::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:206::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:207::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:208::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:209::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11
2001:500:20a::/48	AS394353 BROOT-AS - B.Root-Server-OPS	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:500:200::/44	AS4	/48	arin
2001:500:200::/44	AS394353	/48	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS394353	ARIN	MNT-BROOT	-

Origin ASN

AS394353

BROOT-AS - B.Root-Server-OPS

Related Prefixes

More prefixes of AS394353

All prefixes of AS394353 →

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/2001:500:200::/44

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

curl -s "https://api.ipctl.io/v1/prefix/2001:500:200::/44" | jq

External Links

RIPEstat