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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 |
| 256 |
| — |
| 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS44201BG | BNB Bulgarian National Bank | 256 | — | 1 |
| AS31522BG | BTV-BG BTV MEDIA GROUP EAD | 256 | — | 1 |
| AS47771BG | ENTRY-BG-AS Vivacom Bulgaria EAD | 256 | — | 1 |
| AS211674BG | PRIMEVOIP-AS PrimeVOIP Bulgaria LTD | 256 | — | 1 |
| AS41017BG | GOBULNET Business Network Ltd. | 256 | 1 | 2 |
| AS205937BG | BGTRANSGAS Bulgartransgaz EAD | 256 | — | 1 |
| AS202593BG | AS_iGaming_Ltd iGaming.com_Limited | 256 | — | 1 |
| AS206645BG | MRRB-AS Ministry of Regional Development and Public Works | 256 | — | 1 |
| AS203864BG | BG-GPSBUL GPS BULGARIA AD | 256 | — | 1 |
| AS199759BG | Aviaso-AS Honeywell EOOD | 256 | — | 1 |
| AS35011BG | Prosveta Prosveta Sofia PLC | 256 | — | 1 |
| AS51830BG | C3I-AS C3i Europe EOOD | 256 | — | 1 |
| AS214342BG | DIMINUENDO DIMINUENDO Ltd | 256 | — | 1 |
| AS209628BG | MAZEN MAZEN LLC | 256 | — | 1 |
| AS61321BG | AIKO-AS AIKO MULTY CONCEPT Ltd. | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS43651BG | GneneraliBG Generali Insurance AD | 256 | — | 1 |
| AS209518BG | BG-IVIKO IVIKO Ltd. | 256 | — | 1 |
| AS59746BG | ABRITES-AS ABRITES LTD. | 256 | — | 1 |
| AS41764BG | RATOLAIT-AS Ratola Information Technologies EOOD | 256 | — | 1 |
| AS214170BG | EVOLONIA EVOLONIA LTD. | 256 | 1 | 2 |
| AS203535BG | WorkBetter-AS "Work Better" LTD | 256 | — | 1 |
| AS60457BG | MTITC-BG Directorate General "Civil Aviation Administration" | 256 | — | 1 |
| AS204639BG | H-Tech H-Tech EOOD | 256 | — | 1 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS210212BG | BG-DILANBG DILAN BG Ltd. | 256 | — | 1 |
| AS205874BG | AS-ZEROBYTE Zero Byte Ltd | 256 | 65.5K | 2 |
| AS51383BG | SGROUP S Group International JSC | 256 | — | 1 |
| AS62411BG | SOLYTRON ALSO Bulgaria EOOD | 256 | — | 1 |
| AS35293BG | ECARD-AS E-CARD LTD. | 256 | — | 1 |
| AS57463BG | NetIX NetIX Communications JSC | 256 | — | 1 |
| AS47874BG | ICB-AS InterConsult Bulgaria OOD | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS60916BG | GATEIT-AS GEYTIT OOD | 256 | — | 1 |
| AS41803BG | KPMG-AS KPMG Audit OOD | 256 | — | 1 |
| AS210039BG | GAMMACONSULT-AS GAMMA CONSULT - KALINKIN, PROKOPOV & SIE | 256 | — | 1 |
| AS3187BG | PBPF-AS Eurobank Bulgaria AD | 256 | — | 1 |
| AS208322BG | BG-ITP-NET ITP-NET OOD | 256 | — | 1 |
| AS199512BG | Demax_LTD Demax JSC | 256 | — | 1 |
| AS201215BG | PIMPRIMA-AS Professional Information Management - PRIMA AD | 256 | — | 1 |
| AS44872BG | APBG-AS PREZIDENTSTVO NA REPUBLIKA BULGARIA | 256 | 1 | 2 |
| AS216295BG | TEXIMSOLUTIONS TEXIM SOLUTIONS EOOD | 256 | — | 1 |
| AS42100BG | WITmind-AS Witmind Ltd | 256 | — | 1 |
| AS197214BG | Electrostroi Electrostroy Ltd. | 256 | — | 1 |
| AS204469BG | SANEVIAN Sanevian | 256 | — | 1 |