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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 |
| 768 |
| 65.5K |
| 4 |
| AS44100BG | ARIELTV-AS Ariel TV EAD | 768 | — | 3 |
| AS198938BG | STONE-AS Stone Computers AD | 768 | — | 3 |
| AS215762BG | bulletgroup Bullet Group LTD | 768 | 1 | 4 |
| AS48900BG | InfoDataCenter Info Data Center Ltd. | 768 | — | 3 |
| AS34340BG | BNT-AS Bulgarian National TV | 768 | — | 2 |
| AS44586BG | ESMIS-BG Executive Agency "Electronic Communication Networks and Information Systems" | 768 | — | 3 |
| AS201210BG | TRIGONON-AS TRIGONON DATA SERVICES LTD | 768 | 589.8K | 5 |
| AS59851BG | kyup SiteGround Hosting EOOD | 768 | — | 3 |
| AS210211BG | SUMUP-AS Sumup Limited | 768 | 3 | 6 |
| AS43943BG | KCM KCM SA | 768 | — | 2 |
| AS47802BG | SOD-ALBENA SOD Albena Ltd | 768 | — | 3 |
| AS210754BG | NPP_Kozloduy Kozloduy NPP Plc | 768 | — | 2 |
| AS9028BG | OHOST OHOST LLC | 768 | — | 3 |
| AS205872BG | EXTRANET-AS EXTRANET 2010 | 768 | — | 3 |
| AS210024BG | RIA_TOLL_SYSTEM ITA Engineering OOD | 512 | — | 1 |
| AS50379BG | ISCNET-AS Internet Services and Communications AD | 512 | — | 1 |
| AS12982BG | Bulinfo-AS12982 BULINFO EOOD | 512 | — | 2 |
| AS210992BG | dbank D Commerce Bank AD | 512 | — | 2 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS31369BG | NSSI-AS National Social Security Institute | 512 | — | 1 |
| AS202439BG | BG-NETCOM NETCOM Ltd. | 512 | — | 1 |
| AS204448BG | Shopmetrics Shopmetrics Europe ltd. | 512 | — | 2 |
| AS200033BG | Megalan-AS Megalan EOOD | 512 | — | 2 |
| AS197168BG | ASPHOSTBG-NET ASPhostBG Ltd | 512 | — | 1 |
| AS215508BG | HOST-DOT-NET Dot Net Ltd | 512 | — | 2 |
| AS203918BG | SECURAX Securax Ltd. | 512 | 1 | 3 |
| AS41730BG | DAZZLEWORK-AS Dazzlework Ltd. | 512 | — | 2 |
| AS213037BG | CoreTechBG-AS CoreTech Bulgaria EOOD | 512 | — | 2 |
| AS59546BG | EON-BULGARIA-AS Energo-Pro Varna EAD | 512 | — | 2 |
| AS203182BG | digiturk-bg DIGITURK LTD. | 512 | 524.3K | 4 |
| AS60701BG | MariaDB-AS MariaDB Bulgaria EOOD | 512 | — | 2 |
| AS49421BG | LINUXLTD Linux Ltd. | 512 | 1 | 2 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS202968BG | Credissimo Credissimo JSCo | 512 | — | 2 |
| AS200533BG | INITLAB Civil association Init Lab | 512 | 1 | 3 |
| AS205546BG | GiganetNetworks GIGA FIBERNET ltd. | 512 | — | 2 |
| AS208518BG | Hosting4Friends Hosting4Friends EOOD | 512 | — | 2 |
| AS51374BG | UNICORN-SYSTEMS-AS Unicorn Systems ltd. | 512 | — | 2 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 512 | 524.3K | 3 |
| AS212677BG | Terinet Terinet EOOD | 512 | — | 2 |
| AS34674BG | NETWAVE-AS NetWave Ltd. | 512 | — | 1 |
| AS206410BG | Intellegent-Sys-Bulgaria Intellegent Systems Bulgaria Ltd. | 512 | — | 2 |
| AS198771BG | EXTREMELABS-AS Extreme Labs AD | 512 | 1 | 3 |
| AS59582BG | AC-AS Avus Capital OOD | 512 | — | 2 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 512 | — | 1 |