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How Bulgaria ranks worldwide on dormant space, the transfer market, routing security and address density.
PeeringDB-registered presence.
APNIC-measured end-user deployment.
Clean prefixes (valid RPKI + IRR, no mismatch).
Cumulative IPv4, IPv6, and ASN allocations to Bulgaria over time.
The largest autonomous systems registered to Bulgaria by IPv4 footprint.
Bulgaria against its land-border neighbours on IPv4, IPv6, AS numbers and per-capita density.
Share of announced address space covered by valid Route Origin Authorizations.
754 autonomous systems registered to Bulgaria. Click an AS for detail.
| A1BG_RSS A1 Bulgaria EAD |
| 111.4K |
| 361 |
| AS6802BG | UNICOM-B-AS Bulgarian Research and Education Network Association (BREN) | 89.9K | 59 |
| AS29687BG | BGWAN-AS Geodim Ltd. | 89.3K | 153 |
| AS39184BG | UltraNET-AS UltraNET Ltd | 76.8K | 199 |
| AS20911BG | NETSURF-AS-BG Net-Surf.net Ltd. | 73.7K | 182 |
| 768 |
| — |
| 3 |
| AS201225BG | MANGA-AS MANGA CORP LTD | 768 | — | 3 |
| AS211526BG | DAEU-AS Darjavna Agencia za Elektronno Upravlenie | 768 | 1 | 4 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS44586BG | ESMIS-BG Executive Agency "Electronic Communication Networks and Information Systems" | 768 | — | 3 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |
| AS214879BG | SKYVPN STANISLAV SAVOV | 768 | — | 3 |
| AS20956BG | SSI-AS SYSTEM SECURITY AND INTEGRATION EOOD | 768 | — | 2 |
| AS56593BG | OpenCode Opencode Systems Ltd. | 768 | — | 2 |
| AS16328BG | UACEG-AS University of Architecture Civil Engineering and Geodesy | 768 | — | 2 |
| AS35503BG | BG-SCHOOL-AS Ministry of Education Youth and Science | 768 | — | 3 |
| AS214234BG | ROOMVPN TIHOMIR IVANOV | 768 | — | 3 |
| AS205872BG | EXTRANET-AS EXTRANET 2010 | 768 | — | 3 |
| AS201996BG | SOFIA-CONNECT-AS2 Sofia Connect EAD | 1K | — | 4 |
| AS41366BG | KOMAX KOMAX OOD | 1K | — | 1 |
| AS207094BG | INTER-CARRIER-AS Inter Carrier Ltd | 1K | — | 1 |
| AS29080BG | BULBANK-AS Unicredit-Bulbank-AD | 1K | — | 3 |
| AS199191BG | Dimitar-Vasilev-9-AS Dimitar Vasilev-9 EOOD | 1K | — | 3 |
| AS212115BG | IN_TRADE IN TRADE 87 LTD | 1K | — | 4 |
| AS49737BG | JOBS-BG Jobs.bg Ltd | 1K | — | 4 |
| AS8880BG | AII-AS0 Economedia AD | 1K | — | 4 |
| AS199364BG | RAX-AS RAX.BG EOOD | 1K | — | 1 |
| AS201406BG | Mobinet-AS Mobinet Bulgaria Ltd. | 1K | — | 1 |
| AS209337BG | NEK-EAD NATSIONALNA ELEKTRICHESKA KOMPANIA EAD | 1K | — | 1 |
| AS44805BG | NBU-AS New Bulgarian University | 1K | — | 1 |
| AS209681BG | DELTACOM-BG-AS Deltacom Electronics Ltd. | 1K | 524.3K | 2 |
| AS43202BG | EVN Elektrorazpredelenie Yug EAD | 1K | 524.3K | 9 |
| AS48155BG | RU-NET-AS University of Ruse "Angel Kanchev" | 1K | 1 | 2 |
| AS205665BG | BG-TERACOM TERACOM EOOD | 1K | — | 1 |
| AS208319BG | Resonancebg-1 Resonance.Bg Ltd. | 1K | — | 1 |
| AS214903BG | The3 The Three Ltd. | 1K | — | 3 |
| AS205787BG | Publicloud Public Cloud Ltd. | 1K | 1 | 5 |
| AS12591BG | SMARTCOMBG Smartcom Bulgaria AD | 1K | 1 | 4 |
| AS16193BG | BORICA-AD BORICA AD | 1K | — | 1 |
| AS62015BG | BINBG-AS BIN BG Ltd. | 1K | — | 3 |
| AS42878BG | COMPASBG-AS General Partnership "Compas - Karadjov & Co." | 1K | — | 1 |
| AS42398BG | Comtech Comtech Bulgaria LTD | 1K | — | 1 |
| AS49387BG | Springs-Net Springs-Net EOOD | 1K | — | 4 |
| AS50302BG | RADOMIR-AS Radomir.Net Ltd | 1K | — | 1 |
| AS42191BG | DFZ-AS State Fund Agriculture | 1K | 1 | 4 |
| AS20682BG | BGONE-AS BG ONE Ltd | 1K | — | 4 |
| AS203312BG | CL-AS Commercial League - Global Pharma Centre JSC | 1K | 1 | 5 |
| AS56546BG | KTASTRA-AS ET "KT-Astra - Genko Doichinov" | 1K | — | 4 |
| AS31369BG | NSSI-AS National Social Security Institute | 1K | — | 3 |
| AS213640BG | talido Talido LTD | 1K | — | 4 |
| AS41799BG | POSTBANK-AS Eurobank Bulgaria AD | 1K | — | 3 |
| AS212652BG | Boramax Boramax ltd | 1K | — | 2 |