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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 |
|---|---|---|---|---|
| AS218483BG | Martin-AS Martin Velikov | 256 | — | 1 |
| AS49704BG | PetaSC-Bulgaria PETASCALE SUPERCOMPUTER CONSORTIUM - BULGARIA - DZZD | 256 | 1 | 2 |
| AS214342BG | DIMINUENDO DIMINUENDO Ltd | 256 | — | 1 |
| AS215941BG | egtong EGT DIGITAL EOOD | 256 | — | 1 |
| AS41990BG | NETFINITY-AS NETFINITY JSC | 256 | — | 1 |
| AS203535BG | WorkBetter-AS "Work Better" LTD | 256 | — | 1 |
| AS62411BG | SOLYTRON ALSO Bulgaria EOOD | 256 | — | 1 |
| AS203633BG | ELDI81-AS EL-DI 81 Ltd. | 256 | — | 1 |
| AS209841BG | MCS-AS MANAGEMENT SERVICES CORPORATION EAD | 256 | — | 1 |
| AS208637BG | Vendeta4-LTD 4 Vendeta Ltd | 256 | — | 1 |
| AS198940BG | FADATABG-AS FADATA EOOD | 256 | — | 1 |
| AS57895BG | dianel Dianel LTD | 256 | — | 1 |
| AS211456BG | NetSarBG-LTD NetSarBG LTD | 256 | — | 1 |
| AS204784BG | sistech SIS TECHNOLOGY AD | 256 | — | 1 |
| AS12756BG | INFOCOM-AS INFOCOM Plc. | 256 | — | 1 |
| AS215888BG | Lukoil_Nehtohim_Burgas LUKOIL Neftohim Burgas AD | 256 | — | 1 |
| AS57813BG | CASHBG-AS Cash Services Company | 256 | — | 1 |
| AS202864BG | COMAC-MEDICAL-AS COMAC MEDICAL | 256 | — | 1 |
| AS56539BG | MBM-AS Management Business Machine Ltd. | 256 | — | 1 |
| AS206755BG | netcube Netcube Ltd. | 256 | 65.5K | 2 |
| AS31140BG | BSE-AS Bulgarian Stock Exchange AD | 256 | — | 1 |
| AS34589BG | IFAO-BG-AS Amadeus Sofia Labs Ltd | 256 | — | 1 |
| AS197214BG | Electrostroi Electrostroy Ltd. | 256 | — | 1 |
| AS44872BG | APBG-AS PREZIDENTSTVO NA REPUBLIKA BULGARIA | 256 | 1 | 2 |
| AS206645BG | MRRB-AS Ministry of Regional Development and Public Works | 256 | — | 1 |
| AS198127BG | HRISTOBOGDANOV-AS Hristo Bogdanov | 256 | 1 | 2 |
| AS209156BG | BG-IT360 IT 360 Ltd | 256 | — | 1 |
| AS207812BG | DM_AUTO DM AUTO EOOD | 256 | 1 | 2 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS207371BG | gec-bg GEC BG Ltd. | 256 | — | 1 |
| AS210039BG | GAMMACONSULT-AS GAMMA CONSULT - KALINKIN, PROKOPOV & SIE | 256 | — | 1 |
| AS216295BG | TEXIMSOLUTIONS TEXIM SOLUTIONS EOOD | 256 | — | 1 |
| AS198744BG | BGPORTS BULGARIAN PORTS INFRASTRUCTURE | 256 | — | 1 |
| AS200450BG | HACKMAN SiteGround Hosting EOOD | 256 | — | 1 |
| AS60457BG | MTITC-BG Directorate General "Civil Aviation Administration" | 256 | — | 1 |
| AS202593BG | AS_iGaming_Ltd iGaming.com_Limited | 256 | — | 1 |
| AS200422BG | Concentrix-Services Concentrix Services Bulgaria EOOD | 256 | — | 1 |
| AS51196BG | GOLDTELECOM GOLD TELECOM BULGARIA PLC | 256 | — | 1 |
| AS56856BG | Armeec Insurance JSC Armeec | 256 | — | 1 |
| AS43723BG | CNS Computernet Services Ltd. | 256 | — | 1 |
| AS197086BG | SPEEDY Speedy AD | 256 | — | 1 |
| AS61301BG | BMF-AS Parahodstvo Balgarski Morski Flot AD | 256 | — | 1 |
| AS42100BG | WITmind-AS Witmind Ltd | 256 | — | 1 |
| AS197931BG | CT-INTERACTIVE-AS CT Interactive EOOD | 256 | — | 1 |
| AS25407BG | TAXBACK-AS TAXBACK LTD | 256 | — | 1 |
| AS215361BG | SOFTGROUP_AD SOFTGROUP AD | 256 | — | 1 |
| AS48745BG | ICOM-AS ICOM Ltd. | 256 | — | 1 |
| AS34272BG | ACTAVIS-AS Teva Pharma EAD | 256 | — | 1 |
| AS201114BG | AMK-Drives-BG AMK Drives and controls Ltd. | 256 | — | 1 |