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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.
743 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 | 58 |
| AS29687BG | BGWAN-AS Geodim Ltd. | 89.3K | 153 |
| AS39184BG | UltraNET-AS UltraNET Ltd | 75.3K | 193 |
| AS29084BG | COMNET-AS Comnet Bulgaria Holding Ltd. | 72.7K | 156 |
| 1 |
| 3 |
| AS51605BG | XS-SOFTWARE XS Software JSC | 512 | — | 2 |
| AS206410BG | Intellegent-Sys-Bulgaria Intellegent Systems Bulgaria Ltd. | 512 | — | 2 |
| AS12962BG | FIBank First Investment Bank AD | 512 | — | 2 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS214296BG | Betatel BETATEL LTD | 512 | — | 1 |
| AS21337BG | UBBNET United Bulgarian Bank AD | 512 | — | 2 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS210024BG | RIA_TOLL_SYSTEM ITA Engineering OOD | 512 | — | 1 |
| AS41730BG | DAZZLEWORK-AS Dazzlework Ltd. | 512 | — | 2 |
| AS12795BG | CCBANK-AS Central Cooperative Bank JSC | 512 | — | 2 |
| AS211159BG | BG-FIBERX FIBER X Ltd. | 512 | — | 2 |
| AS197741BG | ICARDFIN-AS Icard Services PLC | 512 | — | 2 |
| AS49421BG | LINUXLTD Linux Ltd. | 512 | 1 | 2 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS50379BG | ISCNET-AS Internet Services and Communications AD | 512 | — | 1 |
| AS8734BG | DZI-BG DZI Obshto Zastrahovane EAD | 512 | — | 2 |
| AS62323BG | DragoNET DragoNET - Lyuba Pesheva | 512 | — | 1 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS212677BG | Terinet Terinet EOOD | 512 | — | 2 |
| AS205546BG | GiganetNetworks GIGA FIBERNET ltd. | 512 | — | 2 |
| AS215508BG | HOST-DOT-NET Dot Net Ltd | 512 | — | 2 |
| AS16328BG | UACEG-AS University of Architecture Civil Engineering and Geodesy | 768 | — | 2 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS56593BG | OpenCode Opencode Systems Ltd. | 768 | — | 2 |
| AS34340BG | BNT-AS Bulgarian National TV | 768 | — | 2 |
| AS201210BG | TRIGONON-AS TRIGONON DATA SERVICES LTD | 768 | 589.8K | 5 |
| AS59851BG | kyup SiteGround Hosting EOOD | 768 | — | 3 |
| AS214879BG | SKYVPN STANISLAV SAVOV | 768 | — | 3 |
| AS210058BG | Amusnet-AS Amusnet Interactive Ltd | 768 | 1 | 4 |
| AS44586BG | ESMIS-BG Executive Agency "Electronic Communication Networks and Information Systems" | 768 | — | 3 |
| AS47557BG | ICARD-AS Icard Services PLC | 768 | 65.5K | 4 |
| AS47802BG | SOD-ALBENA SOD Albena Ltd | 768 | — | 3 |
| AS39249BG | KICUA-AS Netassist International EOOD | 768 | — | 3 |
| AS205872BG | EXTRANET-AS EXTRANET 2010 | 768 | — | 3 |
| AS51581BG | Profonika-BG Profonika EOOD | 768 | 1 | 4 |
| AS48115BG | DGM-AS DGM EOOD | 768 | — | 3 |
| AS49147BG | ASNET-AS ET ASNET - Altan Halim | 768 | — | 3 |
| AS201225BG | MANGA-AS MANGA CORP LTD | 768 | — | 3 |
| AS9028BG | OHOST OHOST LLC | 768 | — | 3 |
| AS211526BG | DAEU-AS Darjavna Agencia za Elektronno Upravlenie | 768 | 1 | 4 |
| AS198938BG | STONE-AS Stone Computers AD | 768 | — | 3 |
| AS51925BG | SAFECHARGE-AS NUVEI BULGARIA EOOD | 768 | — | 3 |
| AS210211BG | SUMUP-AS Sumup Limited | 768 | 3 | 6 |
| AS212023BG | UNI-PLOVDIV-AS University of Plovdiv "Paisiy Hilendarski" | 768 | 524.3K | 4 |
| AS20956BG | SSI-AS SYSTEM SECURITY AND INTEGRATION EOOD | 768 | — | 2 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |