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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.
743 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 | 58 |
| AS29687BG | BGWAN-AS Geodim Ltd. | 89.3K | 153 |
| AS39184BG | UltraNET-AS UltraNET Ltd | 75.3K | 193 |
| AS29084BG | COMNET-AS Comnet Bulgaria Holding Ltd. | 72.7K | 156 |
| — |
| 1 |
| AS57622BG | AUTOPLUS-AS AUTO PLUS BULGARIA JSC | 256 | — | 1 |
| AS215888BG | Lukoil_Nehtohim_Burgas LUKOIL Neftohim Burgas AD | 256 | — | 1 |
| AS43651BG | GneneraliBG Generali Insurance AD | 256 | — | 1 |
| AS205138BG | OpenSolutions Open Solutions Ltd. | 256 | 5 | 6 |
| AS31014BG | DELTASTOCK-AS DeltaStock AD | 256 | — | 1 |
| AS44886BG | ELANA-AS Elana Financial Holding AD | 256 | — | 1 |
| AS209524BG | Ballistic_Cell_LTD Ballistic Cell LTD. | 256 | — | 1 |
| AS50431BG | SOT-LTD SOT Security and Observation Technologies EOOD | 256 | — | 1 |
| AS209362BG | BG-AELIA88 AELIA 88 Ltd | 256 | — | 1 |
| AS48440BG | AS-EKVIA Ekvia Ltd | 256 | — | 1 |
| AS204639BG | H-Tech H-Tech EOOD | 256 | — | 1 |
| AS211456BG | NetSarBG-LTD NetSarBG LTD | 256 | — | 1 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS44396BG | RBB-BG United Bulgarian Bank AD | 256 | — | 1 |
| AS56856BG | Armeec Insurance JSC Armeec | 256 | — | 1 |
| AS43063BG | SPH-AS01 SOPHARMA JSCo | 256 | — | 1 |
| AS200361BG | concentrix CONCENTRIX SERVICES BULGARIA EOOD | 256 | — | 1 |
| AS61975BG | GLOBALNET-AS "Global Net Technology" AD | 256 | — | 1 |
| AS211772BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS199230BG | MITKO Mitko.com EOOD | 256 | — | 1 |
| AS49950BG | MVR-BG Ministry of Interior of Republic of Bulgaria | 256 | — | 1 |
| AS199958BG | HOSTWARE HOSTWARE LLC | 256 | — | 1 |
| AS44781BG | CREDIBUL-AS Micro Credit AD | 256 | — | 1 |
| AS209403BG | PUSHR-CDN Net Stack Ltd | 256 | — | 1 |
| AS60578BG | Nemetschek Nemetschek OOD | 256 | — | 1 |
| AS209832BG | OPTICSNET Optics Net Ltd. | 256 | — | 1 |
| AS41663BG | MunicipalBank Municipal Bank AD | 256 | — | 1 |
| AS202457BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS198283BG | APIS-BULGARIA-AS Apis Europe JSC | 256 | — | 1 |
| AS216148BG | SEPA-Cyber SEPA Cyber Technologies EAD | 256 | — | 1 |
| AS197931BG | CT-INTERACTIVE-AS CT Interactive EOOD | 256 | — | 1 |
| AS56539BG | MBM-AS Management Business Machine Ltd. | 256 | — | 1 |
| AS34491BG | BULSTRAD-AS BULSTRAD VIENNA INSURANCE GROUP EAD | 256 | — | 1 |
| AS34589BG | IFAO-BG-AS Amadeus Sofia Labs Ltd | 256 | — | 1 |
| AS29343BG | AS-AKVANET Akvanet Ltd. | 256 | — | 1 |
| AS57813BG | CASHBG-AS Cash Services Company | 256 | — | 1 |
| AS42625BG | Nova-Television NOVA BROADCASTING GROUP EOOD | 256 | — | 1 |
| AS12795BG | CCBANK-AS Central Cooperative Bank JSC | 512 | — | 2 |
| AS50506BG | BACB-AS Bulgarian-American Credit Bank JSC | 512 | — | 1 |
| AS215508BG | HOST-DOT-NET Dot Net Ltd | 512 | — | 2 |
| AS47624BG | LINKPLUS-NET NETGUARD LLC | 512 | — | 2 |
| AS201005BG | BG-ITMANIA IT Mania Ltd. | 512 | — | 2 |
| AS12962BG | FIBank First Investment Bank AD | 512 | — | 2 |
| AS41901BG | TELELINK-AS TELELINK BUSINESS SERVICES EAD | 512 | — | 2 |
| AS59582BG | AC-AS Avus Capital OOD | 512 | — | 2 |
| AS208641BG | GEORGI-SHISHKOV ET "GEORGI SHISHKOV" | 512 | — | 2 |