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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 |
| 256 |
| — |
| 1 |
| AS197055BG | ALLIANZ-BG ZAD Allianz Bulgaria AD | 256 | — | 1 |
| AS39183BG | Micro-Optics-Europe Micro Optics Europe EOOD | 256 | — | 1 |
| AS207812BG | DM_AUTO DM AUTO EOOD | 256 | 1 | 2 |
| AS47874BG | ICB-AS InterConsult Bulgaria OOD | 256 | — | 1 |
| AS203535BG | WorkBetter-AS "Work Better" LTD | 256 | — | 1 |
| AS15534BG | DatamaxBG Datamax AD | 256 | — | 1 |
| AS39483BG | OSCEOLA-AS OSCEOLA EOOD | 256 | — | 1 |
| AS199209BG | InternetSecurities-Bulgaria-AS Internet Securities Bulgaria Ltd. | 256 | — | 1 |
| AS198765BG | EUROCCOR Euroccor JSC | 256 | — | 1 |
| AS15362BG | RiskEngineering Risk Engineering Ltd. | 256 | — | 1 |
| AS62411BG | SOLYTRON ALSO Bulgaria EOOD | 256 | — | 1 |
| AS213833BG | DKIS-AS Ministry of Interior of Bulgaria | 256 | — | 1 |
| AS50431BG | SOT-LTD SOT Security and Observation Technologies EOOD | 256 | — | 1 |
| AS199123BG | RDBS Radibase EOOD | 256 | — | 1 |
| AS208318BG | adastra Adastra Bulgaria EOOD | 256 | — | 1 |
| AS215361BG | SOFTGROUP_AD SOFTGROUP AD | 256 | — | 1 |
| AS204266BG | CentralPark_Burgas CENTRAL PARK BURGAS -EOOD | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS211772BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS59746BG | ABRITES-AS ABRITES LTD. | 256 | — | 1 |
| AS201899BG | IKT-AS Ikt Solutions Ltd | 256 | — | 1 |
| AS210039BG | GAMMACONSULT-AS GAMMA CONSULT - KALINKIN, PROKOPOV & SIE | 256 | — | 1 |
| AS47771BG | ENTRY-BG-AS Vivacom Bulgaria EAD | 256 | — | 1 |
| AS204722BG | wix-like w-ix ltd | 256 | — | 1 |
| AS200306BG | BG-STAMOV-AS Ivan Stamov | 256 | 66 | 7 |
| AS61301BG | BMF-AS Parahodstvo Balgarski Morski Flot AD | 256 | — | 1 |
| AS208637BG | Vendeta4-LTD 4 Vendeta Ltd | 256 | — | 1 |
| AS198744BG | BGPORTS BULGARIAN PORTS INFRASTRUCTURE | 256 | — | 1 |
| AS41703BG | Koel1 Koel1 OOD | 256 | — | 1 |
| AS215941BG | egtong EGT DIGITAL EOOD | 256 | — | 1 |
| AS213357BG | KAOLIN KAOLIN_AD | 256 | — | 1 |
| AS197931BG | CT-INTERACTIVE-AS CT Interactive EOOD | 256 | — | 1 |
| AS198868BG | BGTEL-AS BGTEL OOD | 256 | — | 1 |
| AS51830BG | C3I-AS C3i Europe EOOD | 256 | — | 1 |
| AS49704BG | PetaSC-Bulgaria PETASCALE SUPERCOMPUTER CONSORTIUM - BULGARIA - DZZD | 256 | 1 | 2 |
| AS210567BG | OB-Veliko-Tarnovo OBVT | 256 | — | 1 |
| AS207371BG | gec-bg GEC BG Ltd. | 256 | — | 1 |
| AS29366BG | AIIDATAPRO-AS A Data Pro Ltd | 256 | — | 1 |
| AS44396BG | RBB-BG United Bulgarian Bank AD | 256 | — | 1 |
| AS210082BG | Yovil-as YOVIL Ltd. | 256 | — | 1 |
| AS12815BG | Avenga_BG Musala Soft EAD | 256 | — | 1 |
| AS57538BG | PRB-AS Prokuratura-Republika-Bulgaria | 256 | — | 1 |
| AS203723BG | Residence-Control RESIDENCE CONTROL EOOD | 256 | — | 1 |
| AS213271BG | TODAKOM TODAKOM ASB EOOD | 256 | — | 1 |
| AS61370BG | IEC-AS 'Inter Expo Center EOOD' | 256 | — | 1 |
| AS3187BG | PBPF-AS Eurobank Bulgaria AD | 256 | — | 1 |