AS48746 — ATSA-BG Air Traffic Services Authority

AS48746 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle ATSA- is held by BULATSA (Bulgarian Air Traffic Services Authority).

What it's used for

• The space carries internal network infrastructure for the national Air Navigation Service Provider, as indicated by the netname ATSA-BG and registrant Air Traffic Services Authority.
• The inventory consists of 256 IPv4 addresses within a single /24 prefix (91.212.37.0/24) and 0 IPv6 prefixes, with 2 observed routing neighbours.
• Traffic from this AS consists of operational data, air traffic control systems, and administrative communications for the state-owned enterprise responsible for Bulgarian airspace.

Notable

• The RDAP registrant Air Traffic Services Authority aligns with the AS handle ATSA- and the operator's official name.
• BULATSA is a state-owned enterprise established to perform state functions for the provision of air navigation services in the Republic of Bulgaria.
• The address inventory is a single contiguous /24 block, typical for a dedicated institutional network rather than a distributed access provider.

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

Announced prefixes

• 91.212.37.0/24

Upstream networks

• AS205132 Vivacom Bulgaria EAD
• AS8717 A1 Bulgaria EAD

Adjacent networks

• AS205132 Vivacom Bulgaria EAD
• AS8717 A1 Bulgaria EAD

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-A1BG-SEC, AS-BTC-SEC, AS-BTC-UP, AS-MEGALAN, AS-RETN-ACTUAL-V4, AS-SPNET, AS8717:AS-A1BG.