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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 |
| 512 |
| 1 |
| 3 |
| AS203182BG | digiturk-bg DIGITURK LTD. | 512 | 524.3K | 5 |
| AS208392BG | ITsap-as "It Saport" Ltd. | 512 | — | 1 |
| AS47624BG | LINKPLUS-NET NETGUARD LLC | 512 | — | 2 |
| AS202968BG | Credissimo Credissimo JSCo | 512 | — | 2 |
| AS57546BG | BULINS-AS Bul Ins AD | 512 | — | 2 |
| AS49850BG | Fair-BG International Fair Plovdiv AD | 512 | — | 2 |
| AS59546BG | EON-BULGARIA-AS Energo-Pro Varna EAD | 512 | — | 2 |
| AS212677BG | Terinet Terinet EOOD | 512 | — | 2 |
| AS214795BG | LACHEZARCHOL LACHEZAR CHOLAKOV | 512 | — | 2 |
| AS25554BG | MINFIN-AS Ministry of Finance of Bulgarian Government | 512 | — | 2 |
| AS205465BG | PHOTON-K FOTON-K EOOD | 512 | — | 1 |
| AS49815BG | HOST2-AS Host2 LTD | 512 | — | 2 |
| AS198771BG | EXTREMELABS-AS Extreme Labs AD | 512 | 1 | 3 |
| AS202737BG | TRANSACTEU RYVYL (EU) EAD | 512 | — | 2 |
| AS57237BG | HEROS-AS Heros Communication Holding Ltd. | 512 | — | 2 |
| AS210250BG | WPX K Media Tech Ltd. | 512 | — | 2 |
| AS35480BG | ASP-AS ASP Ltd | 512 | — | 1 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS35464BG | DatamaxBG Datamax JSC | 512 | — | 2 |
| AS210769BG | ApoloNET ApoloNET LTD | 512 | — | 2 |
| AS24693BG | CNSYS-AS CNSYS PLC | 512 | 1 | 3 |
| AS50379BG | ISCNET-AS Internet Services and Communications AD | 512 | — | 1 |
| AS203918BG | SECURAX Securax Ltd. | 512 | 1 | 3 |
| AS47964BG | Data-Center Data Center Ltd. | 512 | — | 2 |
| AS202439BG | BG-NETCOM NETCOM Ltd. | 512 | — | 1 |
| AS210992BG | dbank D Commerce Bank AD | 512 | — | 2 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS12795BG | CCBANK-AS Central Cooperative Bank JSC | 512 | — | 2 |
| AS204448BG | Shopmetrics Shopmetrics Europe ltd. | 512 | — | 2 |
| AS34674BG | NETWAVE-AS NetWave Ltd. | 512 | — | 1 |
| AS51374BG | UNICORN-SYSTEMS-AS Unicorn Systems ltd. | 512 | — | 2 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS202911BG | NEWAGENET New Age Networks Ltd. | 512 | — | 2 |
| AS62323BG | DragoNET DragoNET - Lyuba Pesheva | 512 | — | 1 |
| AS51605BG | XS-SOFTWARE XS Software JSC | 512 | — | 2 |
| AS197741BG | ICARDFIN-AS Icard Services PLC | 512 | — | 2 |
| AS62110BG | LEADERPICI-AS Leader PI CI Ltd. | 512 | — | 2 |
| AS211159BG | BG-FIBERX FIBER X Ltd. | 512 | — | 2 |
| AS210058BG | Amusnet-AS Amusnet Interactive Ltd | 512 | 1 | 3 |
| AS201326BG | BGBS-AS BG BUSINESS SOLUTIONS EOOD | 512 | — | 2 |
| AS199388BG | RDBBG RDB BULGARIA Ltd. | 512 | — | 1 |
| AS208518BG | Hosting4Friends Hosting4Friends EOOD | 512 | — | 2 |
| AS60701BG | MariaDB-AS MariaDB Bulgaria EOOD | 512 | — | 2 |
| AS197168BG | ASPHOSTBG-NET ASPhostBG Ltd | 512 | — | 1 |
| AS205546BG | GiganetNetworks GIGA FIBERNET ltd. | 512 | — | 2 |
| AS218408BG | MOLIS Molis Trade Ltd | 512 | — | 2 |