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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.
742 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 | 75.5K | 194 |
| AS29084BG | COMNET-AS Comnet Bulgaria Holding Ltd. | 72.7K | 156 |
| 256 |
| — |
| 1 |
| AS202843BG | PlayboxTechML Playbox Technology ME Ltd. | 256 | — | 1 |
| AS198003BG | Proxiad-AS Proxiad Bulgaria EAD | 256 | — | 1 |
| AS198744BG | BGPORTS BULGARIAN PORTS INFRASTRUCTURE | 256 | — | 1 |
| AS200400BG | Sofia_Municipality Sofia Municipality | 256 | — | 1 |
| AS8672BG | A1BG A1 Bulgaria EAD | 256 | — | 1 |
| AS213833BG | DKIS-AS Ministry of Interior of Bulgaria | 256 | — | 1 |
| AS210299BG | ART-BUILD-UP-AS ART-BUILD-UP | 256 | — | 1 |
| AS219049BG | NEBOSYSTEMS NEBOSYSTEMS EOOD | 256 | — | 1 |
| AS211674BG | PRIMEVOIP-AS PrimeVOIP Bulgaria LTD | 256 | — | 1 |
| AS203723BG | Residence-Control RESIDENCE CONTROL EOOD | 256 | — | 1 |
| AS210567BG | OB-Veliko-Tarnovo OBVT | 256 | — | 1 |
| AS42815BG | ComMetric ComMetric Ltd. | 256 | — | 1 |
| AS213271BG | TODAKOM TODAKOM ASB EOOD | 256 | — | 1 |
| AS199132BG | BG-CALDERRA CALDERRA Ltd. | 256 | — | 1 |
| AS44886BG | ELANA-AS Elana Financial Holding AD | 256 | — | 1 |
| AS212561BG | Money_Plus Money Plus Management AD | 256 | — | 1 |
| AS209628BG | MAZEN MAZEN LLC | 256 | — | 1 |
| AS208318BG | adastra Adastra Bulgaria EOOD | 256 | — | 1 |
| AS202593BG | AS_iGaming_Ltd iGaming.com_Limited | 256 | — | 1 |
| AS211456BG | NetSarBG-LTD NetSarBG LTD | 256 | — | 1 |
| AS208322BG | BG-ITP-NET ITP-NET OOD | 256 | — | 1 |
| AS205937BG | BGTRANSGAS Bulgartransgaz EAD | 256 | — | 1 |
| AS219197BG | BSBT-Solutions BSBT Solutions Ltd. | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS216272BG | DEVHEX DEVHEX LTD. | 256 | 1 | 2 |
| AS44564BG | EUROSPED-AS Technical Solution Ltd | 256 | — | 1 |
| AS43063BG | SPH-AS01 SOPHARMA JSCo | 256 | — | 1 |
| AS205138BG | OpenSolutions Open Solutions Ltd. | 256 | 5 | 6 |
| AS51855BG | NETCOMP NET COMP Ltd. | 256 | — | 1 |
| AS51383BG | SGROUP S Group International JSC | 256 | — | 1 |
| AS29343BG | AS-AKVANET Akvanet Ltd. | 256 | — | 1 |
| AS197086BG | SPEEDY Speedy AD | 256 | — | 1 |
| AS215888BG | Lukoil_Nehtohim_Burgas LUKOIL Neftohim Burgas AD | 256 | — | 1 |
| AS50431BG | SOT-LTD SOT Security and Observation Technologies EOOD | 256 | — | 1 |
| AS41663BG | MunicipalBank Municipal Bank AD | 256 | — | 1 |
| AS210229BG | moew Ministry of Environment and Water | 256 | — | 1 |
| AS42100BG | WITmind-AS Witmind Ltd | 256 | — | 1 |
| AS47771BG | ENTRY-BG-AS Vivacom Bulgaria EAD | 256 | — | 1 |
| AS57840BG | Kontrax Comnet Bulgaria Holding Ltd. | 256 | — | 1 |
| AS205808BG | BG-TURBONET Turbo-Net EOOD | 256 | — | 1 |
| AS62037BG | TFS-BG Transcard Financial Services EAD | 256 | — | 1 |
| AS49950BG | MVR-BG Ministry of Interior of Republic of Bulgaria | 256 | — | 1 |
| AS31140BG | BSE-AS Bulgarian Stock Exchange AD | 256 | — | 1 |
| AS197055BG | ALLIANZ-BG ZAD Allianz Bulgaria AD | 256 | — | 1 |
| AS213090BG | PandaCoop Panda Cooperation | 256 | — | 1 |
| AS203390BG | TokudaBank Tokudabank Bulgaria AD | 256 | — | 1 |