Home Prefix Lookup2001:4830:c900::/40

2001:4830:c900::/40 - Charles River Operation (AS64249)

IPv6ARINannouncedAS64249ENDOFFICE - Charles River Operation RPKI Valid

CIDR

2001:4830:c900::/40

IP Version

IPv6

Addresses

309.4Y

Mask

/40

Country

🇺🇸 United States

City

Boston (Downtown)

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
2001:4830:c900::/40	AS64249 ENDOFFICE - Charles River Operation	Valid	Other IRR	2026-10-12

Covering Prefix

1 less-specific announcement

Prefix	Origin AS	RPKI	IRR	Last Seen
2001:4830:c000::/36	AS27552 TWDX - TowardEX Technologies International, Inc.	Valid	-	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2001:4830:c900::/40	AS64249	/48	arin
2001:4830:c000::/36	AS27552	/48	arin
2001:4830::/32	AS27552	/48	arin

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS64249	Other IRR	MAINT-AS27552	2023-11-13

Origin ASN

AS64249

ENDOFFICE - Charles River Operation

Related Prefixes

Covering prefix

2001:4830:c000::/36AS27552

More prefixes of AS64249

All prefixes of AS64249 →

Geolocation

Country🇺🇸United StatesUS

RegionMassachusetts

CityBoston (Downtown)

Coordinates42.3581, -71.0552 ↗

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/2001:4830:c900::/40

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

curl -s "https://api.ipctl.io/v1/prefix/2001:4830:c900::/40" | jq

External Links

RIPEstat