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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 |
| 17.7K |
| — |
| 22 |
| AS34754BG | TELNET-AS Vivacom Bulgaria EAD | 17.9K | — | 8 |
| AS197897BG | PETKOM 5KOM OOD | 17.9K | — | 69 |
| AS48917BG | OPTINETYAMBOL Optinet Ltd | 18.4K | — | 60 |
| AS39401BG | LINKPLUSBG Link+ Ltd | 18.7K | 65.5K | 46 |
| AS44901BG | belcloud Belcloud LTD | 19.7K | 196.6K | 81 |
| AS42431BG | B-NET BiConsult Eood | 20K | — | 10 |
| AS25206BG | UNACS-AS-BG Unacs - Yuri Jordanov Ltd. | 20.2K | — | 47 |
| AS202015BG | HZ-US-AS HZ Hosting Ltd | 20.5K | 8 | 61 |
| AS29122BG | IWET-AS i-Wet Ltd. | 20.5K | — | 2 |
| AS12615BG | GCN-AS Global Communication Net Plc | 20.5K | 65.5K | 49 |
| AS29244BG | TelenorBG-AS CETIN Bulgaria EAD | 26.4K | 65.5K | 20 |
| AS39251BG | NETGUARD NETGUARD LLC | 29.4K | 65.5K | 76 |
| AS57344BG | TELEHOUSE-AS Telehouse EAD | 30.5K | 65.5K | 105 |
| AS51582BG | DCC-BG Cifrova Kabelna Korporacia EOOD | 31.2K | 65.5K | 10 |
| AS38932BG | Rimex Rimex Ltd. | 32.8K | — | 18 |
| AS29582BG | SATCOM-AS Optisprint OOD | 35.1K | 65.5K | 139 |
| AS25374BG | ESCOMBG-AS ESCOM Ltd. - Haskovo | 37.1K | 65.5K | 146 |
| AS21230BG | MNET-BG M SAT Cable EAD | 39.4K | 65.5K | 23 |
| AS12716BG | A1BG_MB A1 Bulgaria EAD | 40.7K | 257 | 55 |
| AS34569BG | Networx-BG Vivacom Bulgaria EAD | 41.2K | — | 4 |
| AS34224BG | NETERRA-AS Neterra Ltd. | 42K | 65.6K | 149 |
| AS41313BG | NOVATEL-AS "NOVATEL" EOOD | 45.3K | 589.8K | 28 |
| AS34295BG | ETA-BG-ASN Geo BG Net SPLtd. | 47.6K | — | 143 |
| AS3245BG | DIGSYS-AS Digital Systems Ltd | 50.4K | 65.5K | 6 |
| AS59711BG | HZ-EU-AS HZ Hosting Ltd | 53.2K | 17 | 175 |
| AS8262BG | EVOLINK-AS Evolink EAD | 57.9K | 131.1K | 36 |
| AS12829BG | ANGELSOFT Angel Soft OOD | 59.4K | — | 109 |
| AS20911BG | NETSURF-AS-BG Net-Surf.net Ltd. | 71.4K | — | 184 |
| AS29084BG | COMNET-AS Comnet Bulgaria Holding Ltd. | 72.7K | 589.8K | 156 |
| AS39184BG | UltraNET-AS UltraNET Ltd | 75.5K | — | 194 |
| AS29687BG | BGWAN-AS Geodim Ltd. | 89.3K | — | 153 |
| AS6802BG | UNICOM-B-AS Bulgarian Research and Education Network Association (BREN) | 89.9K | 65.5K | 59 |
| AS35141BG | A1BG_RSS A1 Bulgaria EAD | 111.4K | — | 361 |
| AS9070BG | Cooolbox Cooolbox AD | 185.6K | — | 119 |
| AS29580BG | A1BG_RSG A1 Bulgaria EAD | 263.2K | 41K | 627 |
| AS13124BG | A1BG_RSD A1 Bulgaria EAD | 362.5K | 1.9K | 514 |
| AS8717BG | A1BG A1 Bulgaria EAD | 992.5K | 589.8K | 107 |
| AS8866BG | VIVACOM-AS Vivacom Bulgaria EAD | 1.5M | 132.2K | 1,214 |