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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.
743 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 | 58 |
| AS29687BG | BGWAN-AS Geodim Ltd. | 89.3K | 153 |
| AS39184BG | UltraNET-AS UltraNET Ltd | 75.3K | 193 |
| AS29084BG | COMNET-AS Comnet Bulgaria Holding Ltd. | 72.7K | 156 |
| 256 |
| — |
| 1 |
| AS216148BG | SEPA-Cyber SEPA Cyber Technologies EAD | 256 | — | 1 |
| AS205808BG | BG-TURBONET Turbo-Net EOOD | 256 | — | 1 |
| AS209362BG | BG-AELIA88 AELIA 88 Ltd | 256 | — | 1 |
| AS34491BG | BULSTRAD-AS BULSTRAD VIENNA INSURANCE GROUP EAD | 256 | — | 1 |
| AS209841BG | MCS-AS MANAGEMENT SERVICES CORPORATION EAD | 256 | — | 1 |
| AS59746BG | ABRITES-AS ABRITES LTD. | 256 | — | 1 |
| AS203954BG | ITNSGLOBAL-AS ITNS GLOBAL EOOD | 256 | 65.5K | 2 |
| AS213271BG | TODAKOM TODAKOM ASB EOOD | 256 | — | 1 |
| AS15534BG | DatamaxBG Datamax AD | 256 | — | 1 |
| AS215941BG | egtong EGT DIGITAL EOOD | 256 | — | 1 |
| AS57895BG | dianel Dianel LTD | 256 | — | 1 |
| AS61301BG | BMF-AS Parahodstvo Balgarski Morski Flot AD | 256 | — | 1 |
| AS209403BG | PUSHR-CDN Net Stack Ltd | 256 | — | 1 |
| AS33853BG | ProcreditBank-BG Procredit Bank Ltd | 256 | — | 1 |
| AS42805BG | eMerchantPay eMerchantPay Ltd | 256 | — | 1 |
| AS198868BG | BGTEL-AS BGTEL OOD | 256 | — | 1 |
| AS204784BG | sistech SIS TECHNOLOGY AD | 256 | — | 1 |
| AS209628BG | MAZEN MAZEN LLC | 256 | — | 1 |
| AS44886BG | ELANA-AS Elana Financial Holding AD | 256 | — | 1 |
| AS35011BG | Prosveta Prosveta Sofia PLC | 256 | — | 1 |
| AS203484BG | ROAD-INFRASTRUCTURE-AGENCY-AS ROAD INFRASTRUCTURE AGENCY | 256 | — | 1 |
| AS56539BG | MBM-AS Management Business Machine Ltd. | 256 | — | 1 |
| AS210039BG | GAMMACONSULT-AS GAMMA CONSULT - KALINKIN, PROKOPOV & SIE | 256 | — | 1 |
| AS51383BG | SGROUP S Group International JSC | 256 | — | 1 |
| AS201114BG | AMK-Drives-BG AMK Drives and controls Ltd. | 256 | — | 1 |
| AS202634BG | demabg Petar Petrov | 256 | 1M | 3 |
| AS42721BG | VideoMaxAVS VideoMaxAVS Ltd. | 256 | 16 | 2 |
| AS51855BG | NETCOMP NET COMP Ltd. | 256 | — | 1 |
| AS209736BG | WALLTOPIA WALLTOPIA AD | 256 | — | 1 |
| AS25166BG | Mail-BG MAIL.BG Ssc | 256 | — | 1 |
| AS199209BG | InternetSecurities-Bulgaria-AS Internet Securities Bulgaria Ltd. | 256 | — | 1 |
| AS42625BG | Nova-Television NOVA BROADCASTING GROUP EOOD | 256 | — | 1 |
| AS214170BG | EVOLONIA EVOLONIA LTD. | 256 | 1 | 2 |
| AS41017BG | GOBULNET Business Network Ltd. | 256 | — | 1 |
| AS209832BG | OPTICSNET Optics Net Ltd. | 256 | — | 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS202265BG | INTERWEBS InterWebs Ltd. | 256 | 2 | 3 |
| AS31527BG | TELEPOL-AS TELEPOL Ltd. | 256 | — | 1 |
| AS31014BG | DELTASTOCK-AS DeltaStock AD | 256 | — | 1 |
| AS201899BG | IKT-AS Ikt Solutions Ltd | 256 | — | 1 |
| AS208318BG | adastra Adastra Bulgaria EOOD | 256 | — | 1 |
| AS209518BG | BG-IVIKO IVIKO Ltd. | 256 | — | 1 |
| AS202690BG | Investbank-AD Investbank AD | 256 | — | 1 |
| AS209696BG | Nilsat NILSAT Ltd. | 256 | — | 1 |
| AS15362BG | RiskEngineering Risk Engineering Ltd. | 256 | — | 1 |