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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 |
| — |
| 1 |
| AS202593BG | AS_iGaming_Ltd iGaming.com_Limited | 256 | — | 1 |
| AS205937BG | BGTRANSGAS Bulgartransgaz EAD | 256 | — | 1 |
| AS57538BG | PRB-AS Prokuratura-Republika-Bulgaria | 256 | — | 1 |
| AS47174BG | TUVARNA-AS Technical University of Varna | 256 | — | 1 |
| AS31527BG | TELEPOL-AS TELEPOL Ltd. | 256 | — | 1 |
| AS206045BG | BG-MM2NETWORK MM2-Network Ltd | 256 | — | 1 |
| AS200400BG | Sofia_Municipality Sofia Municipality | 256 | — | 1 |
| AS212363BG | Zetta ZETTA HOSTING SOLUTIONS LLC. | 256 | — | 1 |
| AS200422BG | Concentrix-Services Concentrix Services Bulgaria EOOD | 256 | — | 1 |
| AS207172BG | PROSTO-INETRA PRO STO | 256 | — | 1 |
| AS209628BG | MAZEN MAZEN LLC | 256 | — | 1 |
| AS40968BG | DSC Professional Protection Electronic Ltd. | 256 | — | 1 |
| AS198202BG | TEXIM-AS PEB "Texim" JSC | 256 | — | 1 |
| AS198940BG | FADATABG-AS FADATA EOOD | 256 | — | 1 |
| AS201215BG | PIMPRIMA-AS Professional Information Management - PRIMA AD | 256 | — | 1 |
| AS204639BG | H-Tech H-Tech EOOD | 256 | — | 1 |
| AS42805BG | eMerchantPay eMerchantPay Ltd | 256 | — | 1 |
| AS60916BG | GATEIT-AS GEYTIT OOD | 256 | — | 1 |
| AS199958BG | HOSTWARE HOSTWARE LLC | 256 | — | 1 |
| AS208318BG | adastra Adastra Bulgaria EOOD | 256 | — | 1 |
| AS49950BG | MVR-BG Ministry of Interior of Republic of Bulgaria | 256 | — | 1 |
| AS199132BG | BG-CALDERRA CALDERRA Ltd. | 256 | — | 1 |
| AS204469BG | SANEVIAN Sanevian | 256 | — | 1 |
| AS56539BG | MBM-AS Management Business Machine Ltd. | 256 | — | 1 |
| AS25166BG | Mail-BG MAIL.BG Ssc | 256 | — | 1 |
| AS204428BG | SS-Net SS-Net | 256 | — | 1 |
| AS200361BG | concentrix CONCENTRIX SERVICES BULGARIA EOOD | 256 | — | 1 |
| AS213833BG | DKIS-AS Ministry of Interior of Bulgaria | 256 | — | 1 |
| AS35011BG | Prosveta Prosveta Sofia PLC | 256 | — | 1 |
| AS12815BG | Avenga_BG Musala Soft EAD | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS209518BG | BG-IVIKO IVIKO Ltd. | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS202843BG | PlayboxTechML Playbox Technology ME Ltd. | 256 | — | 1 |
| AS33825BG | BOR-AS Interimpex Ltd. | 256 | — | 1 |
| AS204232BG | BG-DIGITALSOL-AS ALOHA EXPERT EOOD | 256 | — | 1 |
| AS43944BG | VELOXAS Velox Ltd. | 256 | — | 1 |
| AS48746BG | ATSA-BG Air Traffic Services Authority | 256 | — | 1 |
| AS15534BG | DatamaxBG Datamax AD | 256 | — | 1 |
| AS210567BG | OB-Veliko-Tarnovo OBVT | 256 | — | 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS197086BG | SPEEDY Speedy AD | 256 | — | 1 |
| AS216272BG | DEVHEX DEVHEX LTD. | 256 | 1 | 2 |
| AS29343BG | AS-AKVANET Akvanet Ltd. | 256 | — | 1 |
| AS61301BG | BMF-AS Parahodstvo Balgarski Morski Flot AD | 256 | — | 1 |
| AS199818BG | NNINSURANCE-AS Pension Insurance Company UBB EAD | 256 | — | 1 |