Home Prefix Lookup2a03:a240::/48

2a03:a240::/48 - AS1 COSIUM Sarl (AS199441)

IPv6RIPE NCCannouncedAS199441AS1-COSIUM Cosium sarl RPKI Valid

CIDR

2a03:a240::/48

IP Version

IPv6

Addresses

1.2Y

Mask

/48

Country

🇫🇷 France

City

Versailles

RIR

RIPE NCC

Status

announced

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2a03:a240::/48	AS199441 AS1-COSIUM Cosium sarl	Valid	RIPE	2026-10-11

Covering Prefix

2 less-specific announcements

Prefix	Origin AS	RPKI	IRR	Last Seen
2a03:a240::/44	AS199441 AS1-COSIUM Cosium sarl	Valid	-	2026-10-11
2a03:a240::/47	AS199441 AS1-COSIUM Cosium sarl	Valid	-	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a03:a240::/47	AS199441	/48	ripe
2a03:a240::/44	AS199441	/44	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS199441	RIPE	COSIUM-MNT	2013-11-26

Origin ASN

AS199441

AS1-COSIUM Cosium sarl

Related Prefixes

Covering prefix

2a03:a240::/47AS199441

More prefixes of AS199441

All prefixes of AS199441 →

Geolocation

Country🇫🇷FranceFR

RegionÎle-de-France

CityVersailles

Coordinates48.7968, 2.1441 ↗

Abuse Contact

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 RIPE NCC regionWho bought and sold address space recently

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a03:a240::/48

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

curl -s "https://api.ipctl.io/v1/prefix/2a03:a240::/48" | jq

External Links

RIPEstat