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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 |
| — |
| 2 |
| AS216286BG | hashpal HashPal LTD | 512 | 524.3K | 3 |
| AS200533BG | INITLAB Civil association Init Lab | 512 | 1 | 3 |
| AS12795BG | CCBANK-AS Central Cooperative Bank JSC | 512 | — | 2 |
| AS210058BG | Amusnet-AS Amusnet Interactive Ltd | 512 | 1 | 3 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS202968BG | Credissimo Credissimo JSCo | 512 | — | 2 |
| AS201005BG | BG-ITMANIA IT Mania Ltd. | 512 | — | 2 |
| AS199388BG | RDBBG RDB BULGARIA Ltd. | 512 | — | 1 |
| AS50379BG | ISCNET-AS Internet Services and Communications AD | 512 | — | 1 |
| AS198783BG | HALIL_ADEM ET HALIL ADEM | 512 | — | 2 |
| AS208370BG | DigiSysNet DigiSys Ltd. | 512 | — | 2 |
| AS203918BG | SECURAX Securax Ltd. | 512 | 1 | 3 |
| AS62323BG | DragoNET DragoNET - Lyuba Pesheva | 512 | — | 1 |
| AS202911BG | NEWAGENET New Age Networks Ltd. | 512 | — | 2 |
| AS200033BG | Megalan-AS Megalan EOOD | 512 | — | 2 |
| AS213039BG | mikramix-bg MIKRAMIX LTD. | 512 | — | 2 |
| AS197741BG | ICARDFIN-AS Icard Services PLC | 512 | — | 2 |
| AS203182BG | digiturk-bg DIGITURK LTD. | 512 | 524.3K | 5 |
| AS62110BG | LEADERPICI-AS Leader PI CI Ltd. | 512 | — | 2 |
| AS200024BG | KENTAVAR-AS Kentavar M LTD. | 512 | — | 2 |
| AS49850BG | Fair-BG International Fair Plovdiv AD | 512 | — | 2 |
| AS205129BG | BG-IBCOMPANY I B Company Ltd. | 512 | — | 1 |
| AS47624BG | LINKPLUS-NET NETGUARD LLC | 512 | — | 2 |
| AS34674BG | NETWAVE-AS NetWave Ltd. | 512 | — | 1 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS208518BG | Hosting4Friends Hosting4Friends EOOD | 512 | — | 2 |
| AS43732BG | TBI-AS TBI BANK EAD | 512 | — | 2 |
| AS214812BG | KM_TREYDING KM TREYDING 2012 OOD | 768 | — | 3 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS16328BG | UACEG-AS University of Architecture Civil Engineering and Geodesy | 768 | — | 2 |
| AS49147BG | ASNET-AS ET ASNET - Altan Halim | 768 | — | 3 |
| AS43561BG | NET1-AS Vivacom Bulgaria EAD | 768 | 65.5K | 4 |
| AS215762BG | bulletgroup Bullet Group LTD | 768 | 1 | 4 |
| AS198938BG | STONE-AS Stone Computers AD | 768 | — | 3 |
| AS44586BG | ESMIS-BG Executive Agency "Electronic Communication Networks and Information Systems" | 768 | — | 3 |
| AS201225BG | MANGA-AS MANGA CORP LTD | 768 | — | 3 |
| AS20956BG | SSI-AS SYSTEM SECURITY AND INTEGRATION EOOD | 768 | — | 2 |
| AS39249BG | KICUA-AS Netassist International EOOD | 768 | — | 3 |
| AS43943BG | KCM KCM SA | 768 | — | 2 |
| AS51581BG | Profonika-BG Profonika EOOD | 768 | 1 | 4 |
| AS201210BG | TRIGONON-AS TRIGONON DATA SERVICES LTD | 768 | 589.8K | 5 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 768 | 524.3K | 4 |
| AS212023BG | UNI-PLOVDIV-AS University of Plovdiv "Paisiy Hilendarski" | 768 | 524.3K | 4 |
| AS34340BG | BNT-AS Bulgarian National TV | 768 | — | 2 |
| AS47802BG | SOD-ALBENA SOD Albena Ltd | 768 | — | 3 |
| AS211526BG | DAEU-AS Darjavna Agencia za Elektronno Upravlenie | 768 | 1 | 4 |