Home Prefix Lookup2607:f220:41f::/48

2607:f220:41f::/48 - National Library Of Medicine (AS393689)

IPv6ARINannouncedAS393689NLM-NCCS - National Library of Medicine RPKI Valid

CIDR

2607:f220:41f::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇺🇸 United States

City

New York

RIR

ARIN

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2607:f220:41f::/48	AS393689 NLM-NCCS - National Library of Medicine	Valid	ARIN	2026-10-11

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2607:f220:400::/43	AS3527 NIH-NET - National Institutes of Health	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2607:f220:41f::/48	AS393689	/48	arin
2607:f220:400::/40	AS3527	/48	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS393689	ARIN	MNT-UDHHS	2025-12-31

Origin ASN

AS393689

NLM-NCCS - National Library of Medicine

Related Prefixes

Covering prefix

2607:f220:400::/43AS3527

More prefixes of AS393689

All prefixes of AS393689 →

Geolocation

Country🇺🇸United StatesUS

RegionNew York

CityNew York

Coordinates40.7128, -74.0060 ↗

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/2607:f220:41f::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2607:f220:41f::/48" | jq

External Links

RIPEstat