Home Prefix Lookup91.226.18.0/23

91.226.18.0/23 - ALPHALINK SASU (AS25540)

IPv4RIPE NCCassignedAS25540ALPHALINK-AS Alphalink SASU RPKI Valid

CIDR

91.226.18.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇫🇷 France

City

Reichstett

RIR

RIPE NCC

Status

assigned

Allocated

2011-04-06

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
91.226.18.0/23	AS25540 ALPHALINK-AS Alphalink SASU	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
91.226.18.0/23	AS25540	/23	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS25540	RIPE	ALPHALINK-MNT	2026-06-26

Transfer History

Registry transfers of 91.226.18.0/23, blocks inside it, or blocks containing it.

91.226.18.0/23Transfer · 2019-09-20
Novalis SARL
RIPE NCC
→
Alpha system SARL
RIPE NCC

Date	Resource	From	To	Type
2019-09-20	91.226.18.0/23	Novalis SARL RIPE NCC	Alpha system SARL RIPE NCC	Transfer

Origin ASN

AS25540

ALPHALINK-AS Alphalink SASU

Related Prefixes

More prefixes of AS25540

All prefixes of AS25540 →

Geolocation

Country🇫🇷FranceFR

RegionGrand Est

CityReichstett

Coordinates48.6429, 7.7631 ↗

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/91.226.18.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/91.226.18.0/23" | jq

External Links

RIPEstat