AS205132 — BTC-SEC-AS Vivacom Bulgaria EAD

AS205132 announces 10 IPv4 prefixes covering 2,816 addresses and 0 IPv6 prefixes.

About this network

BTC-SEC-AS is operated by Vivacom Bulgaria EAD.

What it's used for

• The address space carries residential and business connectivity, evidenced by netnames such as Bulgarian-Telecommunications-Company-Broadband and BG-BTC-20040810, alongside specific infrastructure segments like DDOS-VoxilityLAN3 and CEZ-Electro.
• With 2,816 IPv4 addresses across 10 prefixes and 25 observed neighbours, the inventory supports a large access network rather than a transit provider.
• Traffic from this AS consists of subscriber eyeballs for mobile and fixed-line broadband users, as well as endpoints for corporate and government clients served by the operator.

Notable

• Registrants consistently identify BTC IP ADDRESS SPACE administration and Vivacom Bulgaria EAD, aligning with the AS holder.
• Vivacom is the rebranded name of the former Bulgarian Telecommunications Company (BTC), which has operated as a major telecom provider in Bulgaria since the early 2000s.
• The inventory is composed of multiple /24 blocks and a single /23, reflecting a fragmented but substantial address estate typical of a legacy national carrier.

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

Announced prefixes

• 46.10.179.0/24
• 77.85.170.0/24
• 83.228.61.0/24
• 84.238.167.0/24
• 84.238.192.0/23
• 84.238.194.0/24
• 87.126.134.0/24
• 212.72.199.0/24
• 212.72.221.0/24
• 213.91.170.0/24

Upstream networks

• AS3223 Voxility LLP
• AS8866 Vivacom Bulgaria EAD

Downstream networks

• AS12795 Central Cooperative Bank JSC
• AS210754 Kozloduy NPP Plc
• AS60457 Directorate General "Civil Aviation Administration"
• AS8795 Vivacom Bulgaria EAD
• AS3187 Eurobank Bulgaria AD
• AS43651 Generali Insurance AD
• AS39163 Econt Express OOD.
• AS197055 ZAD Allianz Bulgaria AD
• AS41799 Eurobank Bulgaria AD
• AS35503 Ministry of Education Youth and Science
• AS44201 Bulgarian National Bank
• AS48746 Air Traffic Services Authority
• AS199512 Demax JSC
• AS213090 Panda Cooperation
• AS62037 Transcard Financial Services EAD
• AS35464 Datamax JSC
• AS43202 Elektrorazpredelenie Yug EAD
• AS210024 ITA Engineering OOD
• AS51383 S Group International JSC
• AS207826 "INTERNATIONAL ASSET BANK AD"
• AS212533 DP BULGARIAN SPORTS TOTALIZATOR
• AS31140 Bulgarian Stock Exchange AD
• AS47771 Vivacom Bulgaria EAD

Adjacent networks

• AS3223 Voxility LLP
• AS8866 Vivacom Bulgaria EAD
• AS12795 Central Cooperative Bank JSC
• AS210754 Kozloduy NPP Plc
• AS60457 Directorate General "Civil Aviation Administration"
• AS8795 Vivacom Bulgaria EAD
• AS3187 Eurobank Bulgaria AD
• AS43651 Generali Insurance AD
• AS39163 Econt Express OOD.
• AS197055 ZAD Allianz Bulgaria AD
• AS41799 Eurobank Bulgaria AD
• AS35503 Ministry of Education Youth and Science
• AS44201 Bulgarian National Bank
• AS48746 Air Traffic Services Authority
• AS199512 Demax JSC
• AS213090 Panda Cooperation
• AS62037 Transcard Financial Services EAD
• AS35464 Datamax JSC
• AS43202 Elektrorazpredelenie Yug EAD
• AS210024 ITA Engineering OOD
• AS51383 S Group International JSC
• AS207826 "INTERNATIONAL ASSET BANK AD"
• AS31140 Bulgarian Stock Exchange AD
• AS212533 DP BULGARIAN SPORTS TOTALIZATOR
• AS47771 Vivacom Bulgaria EAD

Routing security

• RPKI: 12 valid, 0 invalid and 0 not-found announcements; 23 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 14 route objects.
• Listed in as-sets: AS-BTC-SEC, AS-BTC-UP, AS-RETN-ACTUAL-V4.