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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 |
| 512 |
| 1 |
| 3 |
| AS206796BG | EVROTRUST-AS EVROTRUST TECHNOLOGIES AD | 512 | — | 2 |
| AS35464BG | DatamaxBG Datamax JSC | 512 | — | 2 |
| AS206410BG | Intellegent-Sys-Bulgaria Intellegent Systems Bulgaria Ltd. | 512 | — | 2 |
| AS214296BG | Betatel BETATEL LTD | 512 | — | 1 |
| AS198280BG | VFU-AS Varna Free University Chernorizets Hrabar | 512 | — | 2 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 512 | — | 1 |
| AS216286BG | hashpal HashPal LTD | 512 | 524.3K | 3 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS12962BG | FIBank First Investment Bank AD | 512 | — | 2 |
| AS199871BG | TL-AS TechnoLogica EAD | 512 | — | 2 |
| AS57546BG | BULINS-AS Bul Ins AD | 512 | — | 2 |
| AS49815BG | HOST2-AS Host2 LTD | 512 | — | 2 |
| AS43732BG | TBI-AS TBI BANK EAD | 512 | — | 2 |
| AS215508BG | HOST-DOT-NET Dot Net Ltd | 512 | — | 2 |
| AS210166BG | YOUTEL-AS YouTel Communications Ltd. | 512 | — | 2 |
| AS200024BG | KENTAVAR-AS Kentavar M LTD. | 512 | — | 2 |
| AS12982BG | Bulinfo-AS12982 BULINFO EOOD | 512 | — | 2 |
| AS210992BG | dbank D Commerce Bank AD | 512 | — | 2 |
| AS197168BG | ASPHOSTBG-NET ASPhostBG Ltd | 512 | — | 1 |
| AS51374BG | UNICORN-SYSTEMS-AS Unicorn Systems ltd. | 512 | — | 2 |
| AS200533BG | INITLAB Civil association Init Lab | 512 | 1 | 3 |
| AS62110BG | LEADERPICI-AS Leader PI CI Ltd. | 512 | — | 2 |
| AS60230BG | Neterra Neterra Ltd. | 512 | 1 | 3 |
| AS202160BG | MBSVISION MBS Vision Ltd. | 512 | — | 2 |
| AS202737BG | TRANSACTEU RYVYL (EU) EAD | 512 | — | 2 |
| AS208518BG | Hosting4Friends Hosting4Friends EOOD | 512 | — | 2 |
| AS201005BG | BG-ITMANIA IT Mania Ltd. | 512 | — | 2 |
| AS208641BG | GEORGI-SHISHKOV ET "GEORGI SHISHKOV" | 512 | — | 2 |
| AS203182BG | digiturk-bg DIGITURK LTD. | 512 | 524.3K | 4 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 512 | 524.3K | 3 |
| AS202911BG | NEWAGENET New Age Networks Ltd. | 512 | — | 2 |
| AS205546BG | GiganetNetworks GIGA FIBERNET ltd. | 512 | — | 2 |
| AS8734BG | DZI-BG DZI Obshto Zastrahovane EAD | 512 | — | 2 |
| AS51605BG | XS-SOFTWARE XS Software JSC | 512 | — | 2 |
| AS41730BG | DAZZLEWORK-AS Dazzlework Ltd. | 512 | — | 2 |
| AS213037BG | CoreTechBG-AS CoreTech Bulgaria EOOD | 512 | — | 2 |
| AS198576BG | BNR-AS Bulgarin National Radio | 512 | — | 2 |
| AS35480BG | ASP-AS ASP Ltd | 512 | — | 1 |
| AS205465BG | PHOTON-K FOTON-K EOOD | 512 | — | 1 |
| AS25554BG | MINFIN-AS Ministry of Finance of Bulgarian Government | 512 | — | 2 |
| AS12795BG | CCBANK-AS Central Cooperative Bank JSC | 512 | — | 2 |
| AS198771BG | EXTREMELABS-AS Extreme Labs AD | 512 | 1 | 3 |
| AS34674BG | NETWAVE-AS NetWave Ltd. | 512 | — | 1 |
| AS50506BG | BACB-AS Bulgarian-American Credit Bank JSC | 512 | — | 1 |
| AS204448BG | Shopmetrics Shopmetrics Europe ltd. | 512 | — | 2 |
| AS210746BG | BG-BYTEOPT ByteOpt SLLC | 512 | — | 2 |