AS207758 — HOSTEUR-NET-CORE-CH Hosteur SA

AS207758 announces 3 IPv4 prefixes covering 2,304 addresses and 1 IPv6 prefixes.

About this network

The AS handle HOSTEUR-NET-CORE-CH is held by Hosteur SA.

What it's used for

• The address space carries hosting and business infrastructure, evidenced by netnames NET-BRAINSERVE-01, FR-HOSTEUR-20101118, and WAN-HOSTEUR-CH-ANYCAST.
• The AS announces 2304 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, with 3 observed neighbours, indicating a small-scale hosting or business network rather than a transit provider.
• Traffic from this AS consists of web/API endpoints and hosted services for business clients, consistent with Hosteur's role as a Swiss hosting provider.

Notable

• Registrants include Abuse-C Role and Hosteur SAS, with ABCONNECT Technical Contact listed for the FR-HOSTEUR-20101118 block, suggesting a mix of direct ownership and technical management.
• The address inventory is compact, with three IPv4 prefixes totaling 2304 addresses and a single IPv6 prefix, reflecting a focused hosting operation.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 46.16.200.0/22
• 46.16.204.0/24
• 46.182.0.0/22
• 2a07:5c80::/29

Upstream networks

• AS198385 AlpineDC SA

Downstream networks

• AS48809 Hosteur SAS
• AS204818 Hosteur SAS

Adjacent networks

• AS198385 AlpineDC SA
• AS48809 Hosteur SAS
• AS204818 Hosteur SAS

Routing security

• RPKI: 4 valid, 0 invalid and 0 not-found announcements; 5 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-ALPINEDC, AS-HOSTEUR-CH, AS-HURRICANEV6.