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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.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS8866BG | VIVACOM-AS Vivacom Bulgaria EAD | 1.5M | 1,226 |
| AS8717BG | A1BG A1 Bulgaria EAD | 992.5K | 108 |
| AS13124BG | A1BG_RSD A1 Bulgaria EAD | 362.5K | 510 |
| AS29580BG | A1BG_RSG A1 Bulgaria EAD | 265.2K | 633 |
| AS9070BG | Cooolbox Cooolbox AD | 186.4K | 123 |
| AS35141BG | 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 |
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.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS200458BG | VMobile Vmobile AD | 256 | — | 1 |
| AS25166BG | Mail-BG MAIL.BG Ssc | 256 | 1 | 2 |
| AS57538BG | PRB-AS Prokuratura-Republika-Bulgaria | 256 | — | 1 |
| AS44564BG | EUROSPED-AS Technical Solution Ltd | 256 | — | 1 |
| AS199132BG | BG-CALDERRA CALDERRA Ltd. | 256 | — | 1 |
| AS50194BG | CORPBANK-BG-AS CORPORATE COMMERCIAL BANK AD | 256 | — | 1 |
| AS216272BG | DEVHEX DEVHEX LTD. | 256 | 1 | 2 |
| AS199512BG | Demax_LTD Demax JSC | 256 | — | 1 |
| AS201215BG | PIMPRIMA-AS Professional Information Management - PRIMA AD | 256 | — | 1 |
| AS42855BG | OMEGANET OMEGA-NET Ltd | 256 | — | 1 |
| AS199818BG | NNINSURANCE-AS Pension Insurance Company UBB EAD | 256 | — | 1 |
| AS41764BG | RATOLAIT-AS Ratola Information Technologies EOOD | 256 | — | 1 |
| AS197232BG | CARGOPLANET Cargo Planet Ltd. | 256 | — | 1 |
| AS8672BG | A1BG A1 Bulgaria EAD | 256 | — | 1 |
| AS57122BG | PSP-Computers PSP Bulgaria Ltd. | 256 | — | 1 |
| AS62037BG | TFS-BG Transcard Financial Services EAD | 256 | — | 1 |
| AS196876BG | VGB-BG Vestnikarska Grupa Bulgaria Ltd. | 256 | — | 1 |
| AS15534BG | DatamaxBG Datamax AD | 256 | — | 1 |
| AS208579BG | modis Akkodis Bulgaria EOOD | 256 | — | 1 |
| AS42815BG | ComMetric ComMetric Ltd. | 256 | — | 1 |
| AS199759BG | Aviaso-AS Honeywell EOOD | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS61082BG | MTSP-AS Ministerstvo na Truda i Socialnata Politika | 256 | — | 1 |
| AS219197BG | BSBT-Solutions BSBT Solutions Ltd. | 256 | — | 1 |
| AS29390BG | CTU-AS Netassist International EOOD | 256 | — | 1 |
| AS211243BG | BG-PITOPY PITOPY Ltd. | — | — | 0 |
| AS200523BG | RDB RDB EOOD | — | — | 0 |
| AS35466BG | Metro-BG-AS METRO Cash & Carry Bulgaria EOOD | — | — | 0 |
| AS29632BG | NASSIST-AS Netassist International EOOD | — | 2 | 1 |
| AS59872BG | IPAY Icard Services PLC | — | 65.5K | 1 |
| AS216145BG | SEVENDC 7DC INTERNET LTD. | — | — | 0 |
| AS43112BG | tsbg_hosting TSBG Hosting Ltd. | — | — | 0 |
| AS218236BG | BG-AURA AURA Gaming Technology Ltd. | — | — | 0 |
| AS12792BG | CINET-AS Netassist International EOOD | — | 2.1M | 6 |
| AS5472BG | BG-NEWIX-AS ALOHA EXPERT EOOD | — | — | 0 |
| AS205540BG | ru-telecom Meldo International Routing Services EOOD | — | — | 0 |
| AS218505BG | MH-AS Martin Hristov | — | 1 | 1 |
| AS56693BG | TWOTOWN LANET EOOD | — | — | 0 |
| AS200301BG | BG-IVANOV-AS Miroslav Ivanov | — | 1 | 1 |
| AS42372BG | DNETUA-AS Netassist International EOOD | — | 32.8K | 2 |
| AS219303BG | FH-Europe Friendhosting LTD | — | — | 0 |
| AS212283BG | ROZA-AS ROZA HOLIDAYS EOOD | — | — | 0 |
| AS43134BG | AdNext Delta HighTech Ltd. | — | — | 0 |
| AS211330BG | ISGBG ISGBG EOOD | — | — | 0 |
| AS207621BG | AS_Solutions AS Solutions Ltd. | — | — | 0 |
| AS58105BG | NetServiceBG Net Service BG Ltd | — | — | 0 |
| AS209577BG | NIMH-AS NIMH | — | 1 | 1 |
| AS48355BG | VARNA-IX Varteh LTD | — | — | 0 |
| AS218660BG | Arexim-Engineering-EAD Arexim Engineering EAD | — | — | 0 |
| AS201003BG | BG-KAVARNASAT KAVARNA SAT Ltd. | — | — | 0 |