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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 |
| AS198868BG | BGTEL-AS BGTEL OOD | 256 | — | 1 |
| AS43205BG | BULSATCOM-BG-AS Vivacom Bulgaria EAD | 256 | — | 1 |
| AS199958BG | HOSTWARE HOSTWARE LLC | 256 | — | 1 |
| AS209156BG | BG-IT360 IT 360 Ltd | 256 | — | 1 |
| AS200631BG | VASILEVO_SAPORT_SERVISEZ VASILEVO SAPORT SERVISEZ Ltd. | 256 | — | 1 |
| AS60578BG | Nemetschek Nemetschek OOD | 256 | — | 1 |
| AS210212BG | BG-DILANBG DILAN BG Ltd. | 256 | — | 1 |
| AS51196BG | GOLDTELECOM GOLD TELECOM BULGARIA PLC | 256 | — | 1 |
| AS203954BG | ITNSGLOBAL-AS ITNS GLOBAL EOOD | 256 | — | 1 |
| AS213357BG | KAOLIN KAOLIN_AD | 256 | — | 1 |
| AS203864BG | BG-GPSBUL GPS BULGARIA AD | 256 | — | 1 |
| AS44396BG | RBB-BG United Bulgarian Bank AD | 256 | — | 1 |
| AS200422BG | Concentrix-Services Concentrix Services Bulgaria EOOD | 256 | — | 1 |
| AS197604BG | Softhouse Softhouse Ltd. | 256 | — | 1 |
| AS204639BG | H-Tech H-Tech EOOD | 256 | — | 1 |
| AS208579BG | modis Akkodis Bulgaria EOOD | 256 | — | 1 |
| AS42347BG | Hosting-27 Hosting-27 LTD | 256 | — | 1 |
| AS209736BG | WALLTOPIA WALLTOPIA AD | 256 | — | 1 |
| AS201215BG | PIMPRIMA-AS Professional Information Management - PRIMA AD | 256 | — | 1 |
| AS47226BG | AKAT_Technologies AKAT TECHNOLOGIES LTD | 256 | — | 1 |
| AS211288BG | NETASSISTBG Netassist International EOOD | 256 | — | 1 |
| AS61975BG | GLOBALNET-AS "Global Net Technology" AD | 256 | — | 1 |
| AS196807BG | ASPETROLBG Petrol AD | 256 | — | 1 |
| AS198388BG | LEVINS-AS Zastrahovatelna Kompania Lev Ins AD | 256 | — | 1 |
| AS213090BG | PandaCoop Panda Cooperation | 256 | — | 1 |
| AS15534BG | DatamaxBG Datamax AD | 256 | — | 1 |
| AS61370BG | IEC-AS 'Inter Expo Center EOOD' | 256 | — | 1 |
| AS61082BG | MTSP-AS Ministerstvo na Truda i Socialnata Politika | 256 | — | 1 |
| AS204232BG | BG-DIGITALSOL-AS ALOHA EXPERT EOOD | 256 | — | 1 |
| AS197214BG | Electrostroi Electrostroy Ltd. | 256 | — | 1 |
| AS41663BG | MunicipalBank Municipal Bank AD | 256 | — | 1 |
| AS205138BG | OpenSolutions Open Solutions Ltd. | 256 | 5 | 6 |
| AS197236BG | BIOVET Biovet JSC | 256 | — | 1 |
| AS44781BG | CREDIBUL-AS Micro Credit AD | 256 | — | 1 |
| AS8672BG | A1BG A1 Bulgaria EAD | 256 | — | 1 |
| AS200400BG | Sofia_Municipality Sofia Municipality | 256 | — | 1 |
| AS42855BG | OMEGANET OMEGA-NET Ltd | 256 | — | 1 |
| AS210229BG | moew Ministry of Environment and Water | 256 | — | 1 |
| AS210299BG | ART-BUILD-UP-AS ART-BUILD-UP | 256 | — | 1 |
| AS60916BG | GATEIT-AS GEYTIT OOD | 256 | — | 1 |
| AS211128BG | SKYFIBER-AS Sky Fiber AD | 256 | — | 1 |
| AS205526BG | AS_ITR_Services ITR Services Ltd | 256 | — | 1 |
| AS41990BG | NETFINITY-AS NETFINITY JSC | 256 | — | 1 |
| AS204784BG | sistech SIS TECHNOLOGY AD | 256 | — | 1 |
| AS51855BG | NETCOMP NET COMP Ltd. | 256 | — | 1 |
| AS44201BG | BNB Bulgarian National Bank | 256 | — | 1 |