Home Prefix Lookup178.251.80.0/21

178.251.80.0/21 - ALPHALINK SASU (AS25540)

IPv4RIPE NCCallocatedAS25540ALPHALINK-AS Alphalink SASU RPKI Valid

CIDR

178.251.80.0/21

IP Version

IPv4

Addresses

2K

Mask

/21 (255.255.248.0)

Country

🇫🇷 France

City

Pornic

RIR

RIPE NCC

Status

allocated

Allocated

2010-06-21

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
178.251.80.0/21	AS25540 ALPHALINK-AS Alphalink SASU	Valid	RIPE	2026-10-11

RPKI ROAs

1

Prefix	Origin	Max Length	Trust Anchor
178.251.80.0/21	AS25540	/21	ripe

IRR Route Objects

1

Origin	Registry	Maintainer	Modified
AS25540	RIPE	ALPHALINK-MNT	2010-06-24

More Specific Prefixes

2

Prefix	AS	Country	Status
178.251.80.0/22		🇫🇷FR	assigned
178.251.84.0/22		🇫🇷FR	assigned

Origin ASN

ALPHALINK-AS Alphalink SASU

Related Prefixes

More prefixes of AS25540

All prefixes of AS25540 →

Geolocation

Country🇫🇷FranceFR

RegionPays de la Loire

CityPornic

Coordinates47.1240, -2.0834 ↗

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

GEThttps://api.ipctl.io/v1/prefix/178.251.80.0/21

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

curl -s "https://api.ipctl.io/v1/prefix/178.251.80.0/21" | jq

External Links