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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 |
| AS56371BG | CRBG-AS Creditreform Bulgaria EOOD | 256 | — | 1 |
| AS203864BG | BG-GPSBUL GPS BULGARIA AD | 256 | — | 1 |
| AS214342BG | DIMINUENDO DIMINUENDO Ltd | 256 | — | 1 |
| AS57840BG | Kontrax Comnet Bulgaria Holding Ltd. | 256 | — | 1 |
| AS200361BG | concentrix CONCENTRIX SERVICES BULGARIA EOOD | 256 | — | 1 |
| AS47226BG | AKAT_Technologies AKAT TECHNOLOGIES LTD | 256 | — | 1 |
| AS200631BG | VASILEVO_SAPORT_SERVISEZ VASILEVO SAPORT SERVISEZ Ltd. | 256 | — | 1 |
| AS42625BG | Nova-Television NOVA BROADCASTING GROUP EOOD | 256 | — | 1 |
| AS34589BG | IFAO-BG-AS Amadeus Sofia Labs Ltd | 256 | — | 1 |
| AS213357BG | KAOLIN KAOLIN_AD | 256 | — | 1 |
| AS29343BG | AS-AKVANET Akvanet Ltd. | 256 | — | 1 |
| AS208637BG | Vendeta4-LTD 4 Vendeta Ltd | 256 | — | 1 |
| AS203535BG | WorkBetter-AS "Work Better" LTD | 256 | — | 1 |
| AS47874BG | ICB-AS InterConsult Bulgaria OOD | 256 | — | 1 |
| AS198127BG | HRISTOBOGDANOV-AS Hristo Bogdanov | 256 | 1 | 2 |
| AS211456BG | NetSarBG-LTD NetSarBG LTD | 256 | — | 1 |
| AS219415BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS2111BG | Skynet-AS SkyNet Group Ltd. | 256 | — | 1 |
| AS205454BG | GLOBAL-SERVICES-M GLOBAL SERVICES M EOOD | 256 | — | 1 |
| AS202864BG | COMAC-MEDICAL-AS COMAC MEDICAL | 256 | — | 1 |
| AS202593BG | AS_iGaming_Ltd iGaming.com_Limited | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS197604BG | Softhouse Softhouse Ltd. | 256 | — | 1 |
| AS200459BG | Net_Host_Solution Net Host Solutions Ltd. | 256 | — | 1 |
| AS29366BG | AIIDATAPRO-AS A Data Pro Ltd | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS208322BG | BG-ITP-NET ITP-NET OOD | 256 | — | 1 |
| AS216295BG | TEXIMSOLUTIONS TEXIM SOLUTIONS EOOD | 256 | — | 1 |
| AS44396BG | RBB-BG United Bulgarian Bank AD | 256 | — | 1 |
| AS3187BG | PBPF-AS Eurobank Bulgaria AD | 256 | — | 1 |
| AS205526BG | AS_ITR_Services ITR Services Ltd | 256 | — | 1 |
| AS207172BG | PROSTO-INETRA PRO STO | 256 | — | 1 |
| AS43944BG | VELOXAS Velox Ltd. | 256 | — | 1 |
| AS33853BG | ProcreditBank-BG Procredit Bank Ltd | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS8877BG | Lirbg-AS Lir.bg EOOD | 256 | — | 1 |
| AS41844BG | UMC-AS "Urban Mobility Center" EAD | 256 | — | 1 |
| AS8672BG | A1BG A1 Bulgaria EAD | 256 | — | 1 |
| AS59746BG | ABRITES-AS ABRITES LTD. | 256 | — | 1 |
| AS197214BG | Electrostroi Electrostroy Ltd. | 256 | — | 1 |
| AS61321BG | AIKO-AS AIKO MULTY CONCEPT Ltd. | 256 | — | 1 |
| AS41703BG | Koel1 Koel1 OOD | 256 | — | 1 |
| AS197086BG | SPEEDY Speedy AD | 256 | — | 1 |
| AS25166BG | Mail-BG MAIL.BG Ssc | 256 | — | 1 |
| AS200450BG | HACKMAN SiteGround Hosting EOOD | 256 | — | 1 |
| AS199958BG | HOSTWARE HOSTWARE LLC | 256 | — | 1 |