Home ASN LookupAS25540

AS25540 ALPHALINK-AS Alphalink SASU

🇫🇷

Org handle: ORG-AA27-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

92total

85 IPv47 IPv6

IPv4 Addresses

Allocated (RIR)118,528

Announced (BGP)123,392

IPv6 Addresses

Allocated (RIR)2.7×10³⁰

Announced (BGP)2.7×10³⁰

Prefix Limit (IPv4)

200

Prefix Limit (IPv6)

Country

🇫🇷 FR

RIR

RIPE NCC

Status

allocated

Allocated

2002-12-30

Routing hygiene

Score 12/100 · Low risk

RPKI ROA coverage

89.1%

no RPKI invalid prefixes

IRR route objects

97.8%

1 prefix registered for another origin

Hijack signals

0 announced against others' ROAs, 0 own announced by others

Upstreams

diversity 12/100

Routes concentrated on one upstream (93% of routes)
11% of announced prefixes (10 of 92) have no valid ROA

Based on 92 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained

Announced Prefixes

(BGP)92

Prefix	RPKI	IRR	Last Seen
37.122.200.0/21	Valid	RIPE	2026-10-26
38.130.136.0/24	No ROA	-	2026-10-26
45.81.212.0/22	Valid	RIPE	2026-10-26
45.86.204.0/24	Valid	RIPE	2026-10-26
45.92.200.0/22	Valid	RIPE	2026-10-26
46.254.224.0/21	Valid	RIPE	2026-10-26
77.81.49.0/24	Valid	RIPE	2026-10-26
79.141.0.0/20	Valid	RIPE	2026-10-26
83.167.128.0/19	Valid	RIPE	2026-10-26
83.172.137.0/24	Valid	RIPE	2026-10-26

1-10 of 92

1 / 10

Allocated Prefixes

(RIR)81

Prefix	Country	RIR	Status
37.122.200.0/21	🇫🇷 FR	RIPENCC	allocated
45.81.212.0/22	🇫🇷 FR	RIPENCC	allocated
45.86.204.0/24	🇫🇷 FR	RIPE	assigned
45.92.200.0/22	🇫🇷 FR	RIPENCC	allocated
46.254.224.0/21	🇫🇷 FR	RIPENCC	allocated
77.81.49.0/24	🇫🇷 FR	RIPENCC	allocated
79.141.0.0/20	🇫🇷 FR	RIPENCC	allocated
83.167.128.0/19	🇫🇷 FR	RIPENCC	allocated
83.172.137.0/24	🇫🇷 FR	RIPENCC	allocated
83.172.142.0/23	🇫🇷 FR	RIPENCC	allocated

1-10 of 81

1 / 9

All 92 announced prefixes of AS25540 →

Downstream Customers(1)

ASN	Name
AS206525	🇫🇷AERLINK AERLINK SARL

BGP Neighbours

(seen in AS paths)

Upstreams (5)

Networks AS25540 hands its own prefixes to: transit providers, or peers at an exchange.

AS2914NTT America84
AS9002RETN Limited3
AS1299TWELVE99 Arelion Sweden AB2
AS6939Hurricane Electric2
AS3215AS3215 Orange S.A1

Downstreams (3)

Networks whose own prefixes AS25540 passes on: usually its customers.

AS202381TELNC Tel@NdCloud, S.A.S3
AS202757CASTLE IT PLT Connectic SARL3
AS39830TIGF Terega2

ASPA

No ASPA0 upstreams, 1 downstream

Listed as Upstream Provider by

1 ASN

View full ASPA details →

Abuse Contact

+31205354444

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
How to run an ASPA checkVerify the upstream providers listed above
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/25540

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/25540" | jq