AS203943 — NET-AN ALEXANDER NICHOLSON

AS203943 announces 0 IPv4 prefixes covering 0 addresses and 4 IPv6 prefixes.

About this network

NET-AN is held by Alexander Nicholson.

What it's used for

• The address space consists exclusively of four IPv6 prefixes: 2a0e:b107:5a1::/48, 2a0e:b107:5a2::/47, 2a0e:b107:5a5::/48, and 2a0e:b107:5a6::/47.
• With zero IPv4 addresses announced and only two observed neighbours, the inventory suggests a small-scale or personal network rather than a commercial transit or access provider.
• PeeringDB lists the operator with the website https://infra.ctrl.tokyo/, indicating a technical infrastructure focus.

Notable

• The registry holder NET-AN ALEXANDER NICHOLSON aligns with the AS handle NET-AN and the PeeringDB entry for ALEXANDER NICHOLSON.
• The address inventory is limited to IPv6 space in Australia, with no IPv4 presence in the announced inventory.

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

Announced prefixes

• 2a0e:b107:5a1::/48
• 2a0e:b107:5a2::/47
• 2a0e:b107:5a5::/48
• 2a0e:b107:5a7::/48

Upstream networks

• AS21700 Neptune Networks, LLC
• AS20473 The Constant Company, LLC

Adjacent networks

• AS21700 Neptune Networks, LLC
• AS20473 The Constant Company, LLC

Routing security

• RPKI: 3 valid, 0 invalid and 2 not-found announcements; 3 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 18 route objects.
• Listed in as-sets: AS-0XDRAGON, AS-203943, AS-CLOUVIDER, AS-HURRICANEV6, AS-NEPTUNE-CUST, AS-PACKET, AS20473:AS-VULTR.