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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.
754 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 | 76.8K | 199 |
| AS20911BG | NETSURF-AS-BG Net-Surf.net Ltd. | 73.7K | 182 |
| — |
| 1 |
| AS206935BG | YANAK-AS YANAK SOFT EOOD | 256 | — | 1 |
| AS197214BG | Electrostroi Electrostroy Ltd. | 256 | — | 1 |
| AS3187BG | PBPF-AS Eurobank Bulgaria AD | 256 | — | 1 |
| AS199132BG | BG-CALDERRA CALDERRA Ltd. | 256 | — | 1 |
| AS57463BG | NetIX NetIX Communications JSC | 256 | — | 1 |
| AS34589BG | IFAO-BG-AS Amadeus Sofia Labs Ltd | 256 | — | 1 |
| AS60457BG | MTITC-BG Directorate General "Civil Aviation Administration" | 256 | — | 1 |
| AS60578BG | Nemetschek Nemetschek OOD | 256 | — | 1 |
| AS31534BG | ING-BANK-AS ING Bank N.V. - Sofia Branch | 256 | — | 1 |
| AS57538BG | PRB-AS Prokuratura-Republika-Bulgaria | 256 | — | 1 |
| AS200458BG | VMobile Vmobile AD | 256 | — | 1 |
| AS200391BG | KREZ999AS KREZ 999 EOOD | 256 | — | 1 |
| AS208318BG | adastra Adastra Bulgaria EOOD | 256 | — | 1 |
| AS39357BG | DATECS-AS Datecs Ltd. | 256 | — | 1 |
| AS51830BG | C3I-AS C3i Europe EOOD | 256 | — | 1 |
| AS215361BG | SOFTGROUP_AD SOFTGROUP AD | 256 | — | 1 |
| AS215941BG | egtong EGT DIGITAL EOOD | 256 | — | 1 |
| AS205128BG | Trixir-AS Phoenix Media Ltd. | 256 | — | 1 |
| AS61370BG | IEC-AS 'Inter Expo Center EOOD' | 256 | — | 1 |
| AS35011BG | Prosveta Prosveta Sofia PLC | 256 | — | 1 |
| AS206045BG | BG-MM2NETWORK MM2-Network Ltd | 256 | — | 1 |
| AS219049BG | NEBOSYSTEMS NEBOSYSTEMS EOOD | 256 | — | 1 |
| AS41610BG | FINITE Finite Software Systems Ltd. | 256 | — | 1 |
| AS35176BG | Dynamo-Software-Bulgaria-AS Dynamo Software Bulgaria Ltd | 256 | — | 1 |
| AS43063BG | SPH-AS01 SOPHARMA JSCo | 256 | — | 1 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS196876BG | VGB-BG Vestnikarska Grupa Bulgaria Ltd. | 256 | — | 1 |
| AS196807BG | ASPETROLBG Petrol AD | 256 | — | 1 |
| AS209696BG | Nilsat NILSAT Ltd. | 256 | — | 1 |
| AS41803BG | KPMG-AS KPMG Audit OOD | 256 | — | 1 |
| AS42855BG | OMEGANET OMEGA-NET Ltd | 256 | — | 1 |
| AS199759BG | Aviaso-AS Honeywell EOOD | 256 | — | 1 |
| AS202357BG | SOPHARMA Sopharma Trading Jsc | 256 | — | 1 |
| AS204428BG | SS-Net SS-Net | 256 | — | 1 |
| AS199442BG | M2MNT M2M SERVICES Ltd. | 256 | — | 1 |
| AS198283BG | APIS-BULGARIA-AS Apis Europe JSC | 256 | — | 1 |
| AS211128BG | SKYFIBER-AS Sky Fiber AD | 256 | — | 1 |
| AS200400BG | Sofia_Municipality Sofia Municipality | 256 | — | 1 |
| AS198744BG | BGPORTS BULGARIAN PORTS INFRASTRUCTURE | 256 | — | 1 |
| AS61975BG | GLOBALNET-AS "Global Net Technology" AD | 256 | — | 1 |
| AS210299BG | ART-BUILD-UP-AS ART-BUILD-UP | 256 | — | 1 |
| AS211674BG | PRIMEVOIP-AS PrimeVOIP Bulgaria LTD | 256 | — | 1 |
| AS200306BG | BG-STAMOV-AS Ivan Stamov | 256 | 66 | 7 |
| AS218219BG | Denev Ivan Danailov Denev | 256 | — | 1 |
| AS62037BG | TFS-BG Transcard Financial Services EAD | 256 | — | 1 |
| AS34074BG | IBS-BG-AS IBS Bulgaria EOOD | 256 | — | 1 |