AS203966 — a1-as A1 Internet BV

AS203966 announces 1 IPv4 prefixes covering 512 addresses and 0 IPv6 prefixes.

About this network

A1-AS is held by A1 Internet BV.

What it's used for

• The space carries the netname A1-NET, registered to Abuse-C Role.
• The AS announces 512 IPv4 addresses within a single prefix (213.171.70.0/23) and has 0 IPv6 prefixes.
• With 1 observed neighbour, the routing profile indicates a small, isolated network segment rather than a transit or large access provider.

Notable

• The RDAP registrant Abuse-C Role aligns with the registry holder A1 Internet BV.
• The address inventory consists of a single contiguous /23 block in the Netherlands.

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

Announced prefixes

• 213.171.70.0/23

Upstream networks

• AS211251 A1 Internet BV
• AS28685 Routit BV

Adjacent networks

• AS211251 A1 Internet BV
• AS28685 Routit BV

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 1 route objects.
• Listed in as-sets: AS-TRANSROUTE-SPEC, AS211251:AS-A1-TRANSIT, AS211251:AS-DOWNSTREAMS, AS28685:AS-CUSTOMERS.