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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.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS8866BG | VIVACOM-AS Vivacom Bulgaria EAD | 1.5M | 1,226 |
| AS8717BG | A1BG A1 Bulgaria EAD | 992.5K | 108 |
| AS13124BG | A1BG_RSD A1 Bulgaria EAD | 362.5K | 510 |
| AS29580BG | A1BG_RSG A1 Bulgaria EAD | 265.2K | 633 |
| AS9070BG | Cooolbox Cooolbox AD | 186.4K | 123 |
| AS35141BG | 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 |
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.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS57463BG | NetIX NetIX Communications JSC | 256 | — | 1 |
| AS202457BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS219049BG | NEBOSYSTEMS NEBOSYSTEMS EOOD | 256 | — | 1 |
| AS41844BG | UMC-AS "Urban Mobility Center" EAD | 256 | — | 1 |
| AS211772BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS198868BG | BGTEL-AS BGTEL OOD | 256 | — | 1 |
| AS203954BG | ITNSGLOBAL-AS ITNS GLOBAL EOOD | 256 | — | 1 |
| AS56539BG | MBM-AS Management Business Machine Ltd. | 256 | — | 1 |
| AS200306BG | BG-STAMOV-AS Ivan Stamov | 256 | 66 | 7 |
| AS202265BG | INTERWEBS InterWebs Ltd. | 256 | 2 | 3 |
| AS56906BG | OSCEOLA Osceola Ltd. | 256 | — | 1 |
| AS204266BG | CentralPark_Burgas CENTRAL PARK BURGAS -EOOD | 256 | — | 1 |
| AS201114BG | AMK-Drives-BG AMK Drives and controls Ltd. | 256 | — | 1 |
| AS215941BG | egtong EGT DIGITAL EOOD | 256 | — | 1 |
| AS205454BG | GLOBAL-SERVICES-M GLOBAL SERVICES M EOOD | 256 | — | 1 |
| AS206755BG | netcube Netcube Ltd. | 256 | 65.5K | 2 |
| AS57813BG | CASHBG-AS Cash Services Company | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS218156BG | EFFINTECH-AS EFFECTIVE INTERNET TECHNOLOGIES EDPK | 256 | — | 1 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS211456BG | NetSarBG-LTD NetSarBG LTD | 256 | — | 1 |
| AS210299BG | ART-BUILD-UP-AS ART-BUILD-UP | 256 | — | 1 |
| AS200422BG | Concentrix-Services Concentrix Services Bulgaria EOOD | 256 | — | 1 |
| AS49681BG | STORPOOL-AS StorPool Storage AD | 256 | 1 | 2 |
| AS203633BG | ELDI81-AS EL-DI 81 Ltd. | 256 | — | 1 |
| AS203535BG | WorkBetter-AS "Work Better" LTD | 256 | — | 1 |
| AS49704BG | PetaSC-Bulgaria PETASCALE SUPERCOMPUTER CONSORTIUM - BULGARIA - DZZD | 256 | 1 | 2 |
| AS41990BG | NETFINITY-AS NETFINITY JSC | 256 | — | 1 |
| AS43651BG | GneneraliBG Generali Insurance AD | 256 | — | 1 |
| AS203864BG | BG-GPSBUL GPS BULGARIA AD | 256 | — | 1 |
| AS208637BG | Vendeta4-LTD 4 Vendeta Ltd | 256 | — | 1 |
| AS25407BG | TAXBACK-AS TAXBACK LTD | 256 | — | 1 |
| AS203578BG | Euromaster_Import_Export_Ltd Euromaster Import Export Ltd | 256 | — | 1 |
| AS41703BG | Koel1 Koel1 OOD | 256 | — | 1 |
| AS208579BG | modis Akkodis Bulgaria EOOD | 256 | — | 1 |
| AS51830BG | C3I-AS C3i Europe EOOD | 256 | — | 1 |
| AS62411BG | SOLYTRON ALSO Bulgaria EOOD | 256 | — | 1 |
| AS39483BG | OSCEOLA-AS OSCEOLA EOOD | 256 | — | 1 |
| AS205128BG | Trixir-AS Phoenix Media Ltd. | 256 | — | 1 |
| AS34589BG | IFAO-BG-AS Amadeus Sofia Labs Ltd | 256 | — | 1 |
| AS35014BG | COBUILDER-AS COBUILDER INTERNATIONAL Ltd. | 256 | — | 1 |
| AS205526BG | AS_ITR_Services ITR Services Ltd | 256 | — | 1 |
| AS43713BG | MOSTBG-AS MOST Computers Ltd. | 256 | — | 1 |
| AS198127BG | HRISTOBOGDANOV-AS Hristo Bogdanov | 256 | 1 | 2 |
| AS213833BG | DKIS-AS Ministry of Interior of Bulgaria | 256 | — | 1 |
| AS44201BG | BNB Bulgarian National Bank | 256 | — | 1 |
| AS210567BG | OB-Veliko-Tarnovo OBVT | 256 | — | 1 |
| AS31140BG | BSE-AS Bulgarian Stock Exchange AD | 256 | — | 1 |