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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 |
| AS197647BG | BG-INERPS INERPS EOOD | 256 | — | 1 |
| AS213833BG | DKIS-AS Ministry of Interior of Bulgaria | 256 | — | 1 |
| AS49704BG | PetaSC-Bulgaria PETASCALE SUPERCOMPUTER CONSORTIUM - BULGARIA - DZZD | 256 | 1 | 2 |
| AS203390BG | TokudaBank Tokudabank Bulgaria AD | 256 | — | 1 |
| AS203954BG | ITNSGLOBAL-AS ITNS GLOBAL EOOD | 256 | — | 1 |
| AS204266BG | CentralPark_Burgas CENTRAL PARK BURGAS -EOOD | 256 | — | 1 |
| AS41844BG | UMC-AS "Urban Mobility Center" EAD | 256 | — | 1 |
| AS61975BG | GLOBALNET-AS "Global Net Technology" AD | 256 | — | 1 |
| AS2111BG | Skynet-AS SkyNet Group Ltd. | 256 | — | 1 |
| AS213090BG | PandaCoop Panda Cooperation | 256 | — | 1 |
| AS210299BG | ART-BUILD-UP-AS ART-BUILD-UP | 256 | — | 1 |
| AS196807BG | ASPETROLBG Petrol AD | 256 | — | 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS8877BG | Lirbg-AS Lir.bg EOOD | 256 | — | 1 |
| AS198940BG | FADATABG-AS FADATA EOOD | 256 | — | 1 |
| AS197236BG | BIOVET Biovet JSC | 256 | — | 1 |
| AS212561BG | Money_Plus Money Plus Management AD | 256 | — | 1 |
| AS209696BG | Nilsat NILSAT Ltd. | 256 | — | 1 |
| AS205513BG | ViK-AS VODOSNABDYAVANE I KANALIZACYA EOOD | 256 | — | 1 |
| AS207671BG | DENSHI_AD DENSHI AD | 256 | — | 1 |
| AS56906BG | OSCEOLA Osceola Ltd. | 256 | — | 1 |
| AS42805BG | eMerchantPay eMerchantPay Ltd | 256 | — | 1 |
| AS206645BG | MRRB-AS Ministry of Regional Development and Public Works | 256 | — | 1 |
| AS211288BG | NETASSISTBG Netassist International EOOD | 256 | — | 1 |
| AS209832BG | OPTICSNET Optics Net Ltd. | 256 | — | 1 |
| AS199442BG | M2MNT M2M SERVICES Ltd. | 256 | — | 1 |
| AS203535BG | WorkBetter-AS "Work Better" LTD | 256 | — | 1 |
| AS202043BG | BIA-BG Bulgarian Industrial Association, Union of Bulgarian business | 256 | — | 1 |
| AS60457BG | MTITC-BG Directorate General "Civil Aviation Administration" | 256 | — | 1 |
| AS199512BG | Demax_LTD Demax JSC | 256 | — | 1 |
| AS207371BG | gec-bg GEC BG Ltd. | 256 | — | 1 |
| AS209628BG | MAZEN MAZEN LLC | 256 | — | 1 |
| AS199230BG | MITKO Mitko.com EOOD | 256 | — | 1 |
| AS211674BG | PRIMEVOIP-AS PrimeVOIP Bulgaria LTD | 256 | — | 1 |
| AS200306BG | BG-STAMOV-AS Ivan Stamov | 256 | 66 | 7 |
| AS202864BG | COMAC-MEDICAL-AS COMAC MEDICAL | 256 | — | 1 |
| AS8672BG | A1BG A1 Bulgaria EAD | 256 | — | 1 |
| AS208641BG | GEORGI-SHISHKOV ET "GEORGI SHISHKOV" | 512 | — | 2 |
| AS213039BG | mikramix-bg MIKRAMIX LTD. | 512 | — | 2 |
| AS205465BG | PHOTON-K FOTON-K EOOD | 512 | — | 1 |
| AS201326BG | BGBS-AS BG BUSINESS SOLUTIONS EOOD | 512 | — | 2 |
| AS208370BG | DigiSysNet DigiSys Ltd. | 512 | — | 2 |
| AS214879BG | SKYVPN STANISLAV SAVOV | 512 | — | 2 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS35464BG | DatamaxBG Datamax JSC | 512 | — | 2 |
| AS60701BG | MariaDB-AS MariaDB Bulgaria EOOD | 512 | — | 2 |