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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.
| AS | Holder | IPv4 | Prefixes |
|---|---|---|---|
| AS8866BG | VIVACOM-AS Vivacom Bulgaria EAD | 1.5M | 1,226 |
| AS8717BG | A1BG A1 Bulgaria EAD | 992.5K | 108 |
| AS13124BG | A1BG_RSD A1 Bulgaria EAD | 362.5K | 510 |
| AS29580BG | A1BG_RSG A1 Bulgaria EAD | 265.2K | 633 |
| AS9070BG | Cooolbox Cooolbox AD | 186.4K | 123 |
| AS35141BG | 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 |
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.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS35503BG | BG-SCHOOL-AS Ministry of Education Youth and Science | 768 | — | 3 |
| AS43561BG | NET1-AS Vivacom Bulgaria EAD | 768 | 65.5K | 4 |
| AS215508BG | HOST-DOT-NET Dot Net Ltd | 768 | — | 3 |
| AS48115BG | DGM-AS DGM EOOD | 768 | — | 3 |
| AS49147BG | ASNET-AS ET ASNET - Altan Halim | 768 | — | 3 |
| AS43943BG | KCM KCM SA | 768 | — | 2 |
| AS51925BG | SAFECHARGE-AS NUVEI BULGARIA EOOD | 768 | — | 3 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS212023BG | UNI-PLOVDIV-AS University of Plovdiv "Paisiy Hilendarski" | 768 | 524.3K | 4 |
| AS205872BG | EXTRANET-AS EXTRANET 2010 | 768 | — | 3 |
| AS201210BG | TRIGONON-AS TRIGONON DATA SERVICES LTD | 768 | 589.8K | 5 |
| AS47557BG | ICARD-AS Icard Services PLC | 768 | 65.5K | 4 |
| AS20956BG | SSI-AS SYSTEM SECURITY AND INTEGRATION EOOD | 768 | — | 2 |
| AS214812BG | KM_TREYDING KM TREYDING 2012 OOD | 768 | — | 3 |
| AS39249BG | KICUA-AS Netassist International EOOD | 768 | — | 3 |
| AS211526BG | DAEU-AS Darjavna Agencia za Elektronno Upravlenie | 768 | 1 | 4 |
| AS214234BG | ROOMVPN TIHOMIR IVANOV | 768 | — | 3 |
| AS47802BG | SOD-ALBENA SOD Albena Ltd | 768 | — | 3 |
| AS198938BG | STONE-AS Stone Computers AD | 768 | — | 3 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |
| AS210754BG | NPP_Kozloduy Kozloduy NPP Plc | 768 | — | 2 |
| AS201225BG | MANGA-AS MANGA CORP LTD | 768 | — | 3 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 768 | 524.3K | 4 |
| AS205546BG | GiganetNetworks GIGA FIBERNET ltd. | 512 | — | 2 |
| AS206410BG | Intellegent-Sys-Bulgaria Intellegent Systems Bulgaria Ltd. | 512 | — | 2 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 512 | — | 1 |
| AS218408BG | MOLIS Molis Trade Ltd | 512 | — | 2 |
| AS34674BG | NETWAVE-AS NetWave Ltd. | 512 | — | 1 |
| AS59582BG | AC-AS Avus Capital OOD | 512 | — | 2 |
| AS203918BG | SECURAX Securax Ltd. | 512 | 1 | 3 |
| AS213037BG | CoreTechBG-AS CoreTech Bulgaria EOOD | 512 | — | 2 |
| AS203182BG | digiturk-bg DIGITURK LTD. | 512 | 524.3K | 5 |
| AS210992BG | dbank D Commerce Bank AD | 512 | — | 2 |
| AS50379BG | ISCNET-AS Internet Services and Communications AD | 512 | — | 1 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS202968BG | Credissimo Credissimo JSCo | 512 | — | 2 |
| AS208518BG | Hosting4Friends Hosting4Friends EOOD | 512 | — | 2 |
| AS49850BG | Fair-BG International Fair Plovdiv AD | 512 | — | 2 |
| AS59546BG | EON-BULGARIA-AS Energo-Pro Varna EAD | 512 | — | 2 |
| AS210024BG | RIA_TOLL_SYSTEM ITA Engineering OOD | 512 | — | 1 |
| AS51374BG | UNICORN-SYSTEMS-AS Unicorn Systems ltd. | 512 | — | 2 |
| AS197168BG | ASPHOSTBG-NET ASPhostBG Ltd | 512 | — | 1 |
| AS60701BG | MariaDB-AS MariaDB Bulgaria EOOD | 512 | — | 2 |
| AS216286BG | hashpal HashPal LTD | 512 | 524.3K | 3 |
| AS57546BG | BULINS-AS Bul Ins AD | 512 | — | 2 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS204448BG | Shopmetrics Shopmetrics Europe ltd. | 512 | — | 2 |
| AS212677BG | Terinet Terinet EOOD | 512 | — | 2 |
| AS41730BG | DAZZLEWORK-AS Dazzlework Ltd. | 512 | — | 2 |