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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 |
| AS49850BG | Fair-BG International Fair Plovdiv AD | 512 | — | 2 |
| AS198771BG | EXTREMELABS-AS Extreme Labs AD | 512 | 1 | 3 |
| AS50506BG | BACB-AS Bulgarian-American Credit Bank JSC | 512 | — | 1 |
| AS213037BG | CoreTechBG-AS CoreTech Bulgaria EOOD | 512 | — | 2 |
| AS49421BG | LINUXLTD Linux Ltd. | 512 | 1 | 2 |
| AS198783BG | HALIL_ADEM ET HALIL ADEM | 512 | — | 2 |
| AS35480BG | ASP-AS ASP Ltd | 512 | — | 1 |
| AS214795BG | LACHEZARCHOL LACHEZAR CHOLAKOV | 512 | — | 2 |
| AS51358BG | RADIOACTIVE-AS Radioactive EOOD | 512 | — | 2 |
| AS62323BG | DragoNET DragoNET - Lyuba Pesheva | 512 | — | 1 |
| AS202160BG | MBSVISION MBS Vision Ltd. | 512 | — | 2 |
| AS59546BG | EON-BULGARIA-AS Energo-Pro Varna EAD | 512 | — | 2 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS62110BG | LEADERPICI-AS Leader PI CI Ltd. | 512 | — | 2 |
| AS211159BG | BG-FIBERX FIBER X Ltd. | 512 | — | 2 |
| AS210166BG | YOUTEL-AS YouTel Communications Ltd. | 512 | — | 2 |
| AS58294BG | CloudWall Cloud Wall Ltd. | 512 | — | 2 |
| AS42157BG | A1BG A1 Bulgaria EAD | 512 | — | 1 |
| AS202737BG | TRANSACTEU RYVYL (EU) EAD | 512 | — | 2 |
| AS49815BG | HOST2-AS Host2 LTD | 512 | — | 2 |
| AS47624BG | LINKPLUS-NET NETGUARD LLC | 512 | — | 2 |
| AS12982BG | Bulinfo-AS12982 BULINFO EOOD | 512 | — | 2 |
| AS210024BG | RIA_TOLL_SYSTEM ITA Engineering OOD | 512 | — | 1 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 512 | — | 1 |
| AS31369BG | NSSI-AS National Social Security Institute | 512 | — | 1 |
| AS206796BG | EVROTRUST-AS EVROTRUST TECHNOLOGIES AD | 512 | — | 2 |
| AS213093BG | PSBG PS BG EOOD | 512 | — | 2 |
| AS47964BG | Data-Center Data Center Ltd. | 512 | — | 2 |
| AS51605BG | XS-SOFTWARE XS Software JSC | 512 | — | 2 |
| AS205129BG | BG-IBCOMPANY I B Company Ltd. | 512 | — | 1 |
| AS35464BG | DatamaxBG Datamax JSC | 512 | — | 2 |
| AS51830BG | C3I-AS C3i Europe EOOD | 512 | — | 2 |
| AS12962BG | FIBank First Investment Bank AD | 512 | — | 2 |
| AS215762BG | bulletgroup Bullet Group LTD | 512 | 1 | 3 |
| AS210746BG | BG-BYTEOPT ByteOpt SLLC | 512 | — | 2 |
| AS59582BG | AC-AS Avus Capital OOD | 512 | — | 2 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 512 | 524.3K | 3 |
| AS204448BG | Shopmetrics Shopmetrics Europe ltd. | 512 | — | 2 |
| AS200033BG | Megalan-AS Megalan EOOD | 512 | — | 2 |
| AS202911BG | NEWAGENET New Age Networks Ltd. | 512 | — | 2 |
| AS56606BG | NERACOM-AS NERACOM Ltd. | 512 | — | 2 |
| AS198576BG | BNR-AS Bulgarin National Radio | 512 | — | 2 |
| AS200024BG | KENTAVAR-AS Kentavar M LTD. | 512 | — | 2 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS208370BG | DigiSysNet DigiSys Ltd. | 512 | — | 2 |