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How Bulgaria ranks worldwide on dormant space, the transfer market, routing security and address density.
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.
| AS9070BG |
| Cooolbox Cooolbox AD |
| 185.3K |
| 121 |
| AS35141BG | A1BG_RSS A1 Bulgaria EAD | 111.4K | 361 |
| AS6802BG | UNICOM-B-AS Bulgarian Research and Education Network Association (BREN) | 91.4K | 62 |
| AS29687BG | BGWAN-AS Geodim Ltd. | 89.3K | 153 |
| AS39184BG | UltraNET-AS UltraNET Ltd | 75.8K | 195 |
| 512 |
| — |
| 2 |
| AS47624BG | LINKPLUS-NET NETGUARD LLC | 512 | — | 2 |
| AS198771BG | EXTREMELABS-AS Extreme Labs AD | 512 | 1 | 3 |
| AS203918BG | SECURAX Securax Ltd. | 512 | 1 | 3 |
| AS210024BG | RIA_TOLL_SYSTEM ITA Engineering OOD | 512 | — | 1 |
| AS62323BG | DragoNET DragoNET - Lyuba Pesheva | 512 | — | 1 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 512 | — | 1 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS208641BG | GEORGI-SHISHKOV ET "GEORGI SHISHKOV" | 512 | — | 2 |
| AS204448BG | Shopmetrics Shopmetrics Europe ltd. | 512 | — | 2 |
| AS21337BG | UBBNET United Bulgarian Bank AD | 512 | — | 2 |
| AS202737BG | TRANSACTEU RYVYL (EU) EAD | 512 | — | 2 |
| AS57546BG | BULINS-AS Bul Ins AD | 512 | — | 2 |
| AS208370BG | DigiSysNet DigiSys Ltd. | 512 | — | 2 |
| AS51374BG | UNICORN-SYSTEMS-AS Unicorn Systems ltd. | 512 | — | 2 |
| AS49815BG | HOST2-AS Host2 LTD | 512 | — | 2 |
| AS56606BG | NERACOM-AS NERACOM Ltd. | 512 | — | 2 |
| AS203182BG | digiturk-bg DIGITURK LTD. | 512 | 524.3K | 4 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS197168BG | ASPHOSTBG-NET ASPhostBG Ltd | 512 | — | 1 |
| AS205129BG | BG-IBCOMPANY I B Company Ltd. | 512 | — | 1 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS9028BG | OHOST OHOST LLC | 768 | — | 3 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |
| AS43943BG | KCM KCM SA | 768 | — | 2 |
| AS211526BG | DAEU-AS Darjavna Agencia za Elektronno Upravlenie | 768 | 1 | 4 |
| AS212023BG | UNI-PLOVDIV-AS University of Plovdiv "Paisiy Hilendarski" | 768 | 524.3K | 4 |
| AS35503BG | BG-SCHOOL-AS Ministry of Education Youth and Science | 768 | — | 3 |
| AS59851BG | kyup SiteGround Hosting EOOD | 768 | — | 3 |
| AS201225BG | MANGA-AS MANGA CORP LTD | 768 | — | 3 |
| AS51581BG | Profonika-BG Profonika EOOD | 768 | 1 | 4 |
| AS201210BG | TRIGONON-AS TRIGONON DATA SERVICES LTD | 768 | 589.8K | 5 |
| AS214812BG | KM_TREYDING KM TREYDING 2012 OOD | 768 | — | 3 |
| AS48115BG | DGM-AS DGM EOOD | 768 | — | 3 |
| AS47802BG | SOD-ALBENA SOD Albena Ltd | 768 | — | 3 |
| AS205872BG | EXTRANET-AS EXTRANET 2010 | 768 | — | 3 |
| AS210211BG | SUMUP-AS Sumup Limited | 768 | 3 | 6 |
| AS20956BG | SSI-AS SYSTEM SECURITY AND INTEGRATION EOOD | 768 | — | 2 |
| AS214879BG | SKYVPN STANISLAV SAVOV | 768 | — | 3 |
| AS210058BG | Amusnet-AS Amusnet Interactive Ltd | 768 | — | 3 |
| AS39249BG | KICUA-AS Netassist International EOOD | 768 | — | 3 |
| AS44828BG | Neterra_Enterprise_Internet_Access Neterra Ltd. | 768 | — | 3 |
| AS60441BG | Elitcom ELITKOM Ltd. | 768 | — | 2 |
| AS199871BG | TL-AS TechnoLogica EAD | 768 | — | 3 |
| AS43561BG | NET1-AS Vivacom Bulgaria EAD | 768 | 65.5K | 4 |
| AS16328BG | UACEG-AS University of Architecture Civil Engineering and Geodesy | 768 | — | 2 |
| AS56593BG | OpenCode Opencode Systems Ltd. | 768 | — | 2 |