AS51581 — PROFONIKA-

AS51581 announces 3 IPv4 prefixes covering 768 addresses and 1 IPv6 prefixes.

About this network

The AS handle PROFONIKA- is held by Profonika EOOD.

What it's used for

• The address space carries corporate infrastructure, evidenced by reverse DNS entries such as 64-237-200-193.core.profonika.net and netnames consistently labeled PROFONIKA-BG.
• The network announces 768 IPv4 addresses across 3 prefixes and 1 IPv6 prefix, with only 3 observed neighbours, indicating a small internal corporate estate rather than a transit or access provider.
• Traffic from this AS consists of internal corporate endpoints and office workers, as Profonika EOOD is a business entity under the "Specialized Logistics Systems" AD holding company.

Notable

• Registrants for the announced prefixes include both A1 Bulgaria EAD Abuse and Profonika EOOD; Abuse-C Role, reflecting the corporate ownership structure.
• Profonika EOOD is part of "Specialized Logistics Systems" AD, a holding company focused on high technology and financial innovation sectors.
• The address inventory is finely subdivided into three /24 blocks, consistent with site-by-site segmentation for a corporate network.

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

Announced prefixes

• 78.83.208.0/24
• 193.200.237.0/24
• 212.36.13.0/24
• 2001:678:5f8::/48

Upstream networks

• AS34224 Neterra Ltd.
• AS8717 A1 Bulgaria EAD
• AS174 Cogent Communications, LLC

Adjacent networks

• AS34224 Neterra Ltd.
• AS8717 A1 Bulgaria EAD
• AS174 Cogent Communications, LLC

Routing security

• RPKI: 2 valid, 0 invalid and 2 not-found announcements; 2 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 4 route objects.
• Listed in as-sets: AS-HURRICANEV6, AS-NETERRA-INT, AS-RETN-ACTUAL-V4, AS-RETN-ACTUAL-V6, AS-SPNET, AS-TPN-VESTITEL, AS34224:AS-NETERRA-INT, AS8717:AS-A1BG.