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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 |
| 512 |
| — |
| 1 |
| AS198771BG | EXTREMELABS-AS Extreme Labs AD | 512 | 1 | 3 |
| AS62323BG | DragoNET DragoNET - Lyuba Pesheva | 512 | — | 1 |
| AS51925BG | SAFECHARGE-AS NUVEI BULGARIA EOOD | 512 | — | 2 |
| AS12962BG | FIBank First Investment Bank AD | 512 | — | 2 |
| AS210058BG | Amusnet-AS Amusnet Interactive Ltd | 512 | 1 | 3 |
| AS208370BG | DigiSysNet DigiSys Ltd. | 512 | — | 2 |
| AS58294BG | CloudWall Cloud Wall Ltd. | 512 | — | 2 |
| AS34674BG | NETWAVE-AS NetWave Ltd. | 512 | — | 1 |
| AS59582BG | AC-AS Avus Capital OOD | 512 | — | 2 |
| AS8734BG | DZI-BG DZI Obshto Zastrahovane EAD | 512 | — | 2 |
| AS205129BG | BG-IBCOMPANY I B Company Ltd. | 512 | — | 1 |
| AS201326BG | BGBS-AS BG BUSINESS SOLUTIONS EOOD | 512 | — | 2 |
| AS206410BG | Intellegent-Sys-Bulgaria Intellegent Systems Bulgaria Ltd. | 512 | — | 2 |
| AS200033BG | Megalan-AS Megalan EOOD | 512 | — | 2 |
| AS21337BG | UBBNET United Bulgarian Bank AD | 512 | — | 2 |
| AS212677BG | Terinet Terinet EOOD | 512 | — | 2 |
| AS202439BG | BG-NETCOM NETCOM Ltd. | 512 | — | 1 |
| AS56606BG | NERACOM-AS NERACOM Ltd. | 512 | — | 2 |
| AS59546BG | EON-BULGARIA-AS Energo-Pro Varna EAD | 512 | — | 2 |
| AS60230BG | Neterra Neterra Ltd. | 513 | — | 3 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 513 | — | 2 |
| AS211526BG | DAEU-AS Darjavna Agencia za Elektronno Upravlenie | 768 | 1 | 4 |
| AS56593BG | OpenCode Opencode Systems Ltd. | 768 | — | 2 |
| AS35503BG | BG-SCHOOL-AS Ministry of Education Youth and Science | 768 | — | 3 |
| AS212023BG | UNI-PLOVDIV-AS University of Plovdiv "Paisiy Hilendarski" | 768 | 524.3K | 4 |
| AS201210BG | TRIGONON-AS TRIGONON DATA SERVICES LTD | 768 | 589.8K | 5 |
| AS213640BG | talido Talido LTD | 768 | — | 3 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS59851BG | kyup SiteGround Hosting EOOD | 768 | — | 3 |
| AS9028BG | OHOST OHOST GROUP LLC | 768 | — | 3 |
| AS197856BG | IMS-LHR3 Merkle EOOD | 768 | — | 3 |
| AS214812BG | KM_TREYDING KM TREYDING 2012 OOD | 768 | — | 3 |
| AS44586BG | ESMIS-BG Executive Agency "Electronic Communication Networks and Information Systems" | 768 | — | 3 |
| AS39249BG | KICUA-AS Netassist International EOOD | 768 | — | 3 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |
| AS43943BG | KCM KCM SA | 768 | — | 2 |
| AS34340BG | BNT-AS Bulgarian National TV | 768 | — | 2 |
| AS43561BG | NET1-AS Vivacom Bulgaria EAD | 768 | 65.5K | 4 |
| AS210211BG | SUMUP-AS Sumup Limited | 768 | 3 | 6 |
| AS205872BG | EXTRANET-AS EXTRANET 2010 | 768 | — | 3 |
| AS215762BG | bulletgroup Bullet Group LTD | 768 | 1 | 4 |
| AS48115BG | DGM-AS DGM EOOD | 768 | — | 3 |
| AS51581BG | Profonika-BG Profonika EOOD | 768 | 1 | 4 |
| AS20956BG | SSI-AS SYSTEM SECURITY AND INTEGRATION EOOD | 768 | — | 2 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 768 | 524.3K | 4 |
| AS214234BG | ROOMVPN TIHOMIR IVANOV | 768 | — | 3 |