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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 |
| — |
| 4 |
| AS199364BG | RAX-AS RAX.BG EOOD | 1K | — | 1 |
| AS209337BG | NEK-EAD NATSIONALNA ELEKTRICHESKA KOMPANIA EAD | 1K | — | 1 |
| AS208319BG | Resonancebg-1 Resonance.Bg Ltd. | 1K | — | 1 |
| AS4849BG | S3Company S3 Company Ltd | 1K | 65.5K | 5 |
| AS198883BG | asd-as Tabunscic Anatoli | 1K | 2 | 6 |
| AS214903BG | The3 The Three Ltd. | 1K | — | 3 |
| AS60560BG | MU-Varna MEDICAL UNIVERSITY - VARNA Prof. Dr. Paraskev Stoyanov | 1K | — | 4 |
| AS44805BG | NBU-AS New Bulgarian University | 1K | — | 1 |
| AS199191BG | Dimitar-Vasilev-9-AS Dimitar Vasilev-9 EOOD | 1K | — | 3 |
| AS41799BG | POSTBANK-AS Eurobank Bulgaria AD | 1K | — | 3 |
| AS56546BG | KTASTRA-AS ET "KT-Astra - Genko Doichinov" | 1K | — | 4 |
| AS31011BG | UCTM-AS University of Chemical Technology And Metallurgy | 1K | — | 1 |
| AS29080BG | BULBANK-AS Unicredit-Bulbank-AD | 1K | — | 3 |
| AS51189BG | SHARCOM-AS Sharcom Ltd. | 1K | — | 3 |
| AS201406BG | Mobinet-AS Mobinet Bulgaria Ltd. | 1K | — | 1 |
| AS16193BG | BORICA-AD BORICA AD | 1K | — | 1 |
| AS43202BG | EVN Elektrorazpredelenie Yug EAD | 1K | 524.3K | 9 |
| AS44718BG | FRAPORT-BG-AS Fraport Twin Star Airport Management AD | 1K | — | 4 |
| AS57619BG | VDC-AS Varna Data Center EOOD | 1K | — | 4 |
| AS201996BG | SOFIA-CONNECT-AS2 Sofia Connect EAD | 1K | — | 4 |
| AS25332BG | LINKOS-AS Linkos Ltd. | 1K | — | 3 |
| AS12591BG | SMARTCOMBG Smartcom Bulgaria AD | 1K | 1 | 4 |
| AS205343BG | GPNET-AS GP-NET Ltd. | 1K | — | 4 |
| AS50359BG | PTBG-AS PLAYTECH BULGARIA EOOD | 1K | 1 | 4 |
| AS207094BG | INTER-CARRIER-AS Inter Carrier Ltd | 1K | — | 1 |
| AS62418BG | DataSyst Data Syst Ltd. | 1K | — | 2 |
| AS41366BG | KOMAX KOMAX OOD | 1K | — | 1 |
| AS205665BG | BG-TERACOM TERACOM EOOD | 1K | — | 1 |
| AS48155BG | RU-NET-AS University of Ruse "Angel Kanchev" | 1K | 1 | 2 |
| AS39635BG | MMI-AS Mini Maritsa Iztok EAD | 1K | — | 3 |
| AS210754BG | NPP_Kozloduy Kozloduy NPP Plc | 768 | — | 2 |
| AS47557BG | ICARD-AS Icard Services PLC | 768 | 65.5K | 4 |
| AS197856BG | IMS-LHR3 Merkle EOOD | 768 | — | 3 |
| AS44586BG | ESMIS-BG Executive Agency "Electronic Communication Networks and Information Systems" | 768 | — | 3 |
| AS215762BG | bulletgroup Bullet Group LTD | 768 | 1 | 4 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 768 | 524.3K | 4 |
| AS43943BG | KCM KCM SA | 768 | — | 2 |
| AS214234BG | ROOMVPN TIHOMIR IVANOV | 768 | — | 3 |
| AS16328BG | UACEG-AS University of Architecture Civil Engineering and Geodesy | 768 | — | 2 |
| AS56593BG | OpenCode Opencode Systems Ltd. | 768 | — | 2 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS49147BG | ASNET-AS ET ASNET - Altan Halim | 768 | — | 3 |
| AS43561BG | NET1-AS Vivacom Bulgaria EAD | 768 | 65.5K | 4 |
| AS214812BG | KM_TREYDING KM TREYDING 2012 OOD | 768 | — | 3 |
| AS9028BG | OHOST OHOST GROUP LLC | 768 | — | 3 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |