Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS57951

Announcement observedRIPE NCC

Yacast France SAS · YACAST-FRANCE-AS

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/15/2026, 11:52:19Snapshot expired

View network topology RDAP registration

ASN: AS57951
Registration country: France
Name: Yacast France SAS
Abbreviation: YACAST-FRANCE-AS
Registration date: 3/19/2012, 14:33:58
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
37.188.88.0/21BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/21/2026, 16:00:00	10/23/2026, 00:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Yacast France SAS
RIR: RIPE NCC
Registration country: France
Registration date: 3/19/2012, 14:33:58
Abuse contact: abuse@yacast.fr

Snapshot trend

10/15/2026, 11:52:191 v41 v62 Upstream · 0 Uncertain

10/15/2026, 11:48:341 v41 v62 Upstream · 0 Uncertain

10/5/2026, 20:29:331 v41 v62 Upstream · 0 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn