Home Prefix Lookup83.172.156.0/23

83.172.156.0/23 - ALPHALINK SASU (AS25540)

IPv4RIPE NCCallocatedAS25540ALPHALINK-AS Alphalink SASU RPKI Valid

CIDR

83.172.156.0/23

IP Version

IPv4

Addresses

512

Mask

/23 (255.255.254.0)

Country

🇫🇷 France

City

Cagnes-sur-Mer

RIR

RIPE NCC

Status

allocated

Allocated

2004-05-03

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

Swipe sideways to see all columns →

Prefix	Origin AS	RPKI	IRR	Last Seen
83.172.156.0/23	AS25540 ALPHALINK-AS Alphalink SASU	Valid	RIPE	2026-10-11

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
83.172.156.0/23	AS25540	/23	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS25540	RIPE	ALPHALINK-MNT	2024-03-18

More Specific Prefixes

Prefix	AS	Country	Status
83.172.156.0/24		🇫🇷FR	assigned
83.172.157.0/24		🇫🇷FR	assigned

Transfer History

Registry transfers of 83.172.156.0/23, blocks inside it, or blocks containing it.

83.172.156.0/23Transfer · 2024-03-12
Internet Service Europe BV
RIPE NCC
→
INIT SYS SAS
RIPE NCC

Date	Resource	From	To	Type
2024-03-12	83.172.156.0/23	Internet Service Europe BV RIPE NCC	INIT SYS SAS RIPE NCC	Transfer

Origin ASN

AS25540

ALPHALINK-AS Alphalink SASU

Related Prefixes

More prefixes of AS25540

All prefixes of AS25540 →

Geolocation

Country🇫🇷FranceFR

RegionProvence-Alpes-Côte d'Azur

CityCagnes-sur-Mer

Coordinates43.6635, 7.1479 ↗

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/83.172.156.0/23

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

curl -s "https://api.ipctl.io/v1/prefix/83.172.156.0/23" | jq

External Links

RIPEstat