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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 |
| 512 |
| — |
| 1 |
| AS202160BG | MBSVISION MBS Vision Ltd. | 512 | — | 2 |
| AS60701BG | MariaDB-AS MariaDB Bulgaria EOOD | 512 | — | 2 |
| AS51374BG | UNICORN-SYSTEMS-AS Unicorn Systems ltd. | 512 | — | 2 |
| AS59550BG | neutrality-as Neutrality.One EOOD | 512 | 524.3K | 3 |
| AS200033BG | Megalan-AS Megalan EOOD | 512 | — | 2 |
| AS58294BG | CloudWall Cloud Wall Ltd. | 512 | — | 2 |
| AS24693BG | CNSYS-AS CNSYS PLC | 512 | 1 | 3 |
| AS60230BG | Neterra Neterra Ltd. | 512 | 1 | 3 |
| AS50506BG | BACB-AS Bulgarian-American Credit Bank JSC | 512 | — | 1 |
| AS42942BG | Telecomp-AS Telecomp Ltd. | 512 | — | 1 |
| AS213039BG | mikramix-bg MIKRAMIX LTD. | 512 | — | 2 |
| AS213093BG | PSBG PS BG EOOD | 512 | — | 2 |
| AS206796BG | EVROTRUST-AS EVROTRUST TECHNOLOGIES AD | 512 | — | 2 |
| AS49850BG | Fair-BG International Fair Plovdiv AD | 512 | — | 2 |
| AS57546BG | BULINS-AS Bul Ins AD | 512 | — | 2 |
| AS35480BG | ASP-AS ASP Ltd | 512 | — | 1 |
| AS41730BG | DAZZLEWORK-AS Dazzlework Ltd. | 512 | — | 2 |
| AS57237BG | HEROS-AS Heros Communication Holding Ltd. | 512 | — | 2 |
| AS41901BG | TELELINK-AS TELELINK BUSINESS SERVICES EAD | 512 | — | 2 |
| AS51358BG | RADIOACTIVE-AS Radioactive EOOD | 512 | — | 2 |
| AS47624BG | LINKPLUS-NET NETGUARD LLC | 512 | — | 2 |
| AS59582BG | AC-AS Avus Capital OOD | 512 | — | 2 |
| AS200024BG | KENTAVAR-AS Kentavar M LTD. | 512 | — | 2 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS51605BG | XS-SOFTWARE XS Software JSC | 512 | — | 2 |
| AS214795BG | LACHEZARCHOL LACHEZAR CHOLAKOV | 512 | — | 2 |
| AS202737BG | TRANSACTEU RYVYL (EU) EAD | 512 | — | 2 |
| AS12795BG | CCBANK-AS Central Cooperative Bank JSC | 512 | — | 2 |
| AS200723BG | SWU-BG-AS South-West University "Neofit Rilski" | 512 | 1 | 3 |
| AS59546BG | EON-BULGARIA-AS Energo-Pro Varna EAD | 512 | — | 2 |
| AS210024BG | RIA_TOLL_SYSTEM ITA Engineering OOD | 512 | — | 1 |
| AS200533BG | INITLAB Civil association Init Lab | 512 | 1 | 3 |
| AS214296BG | Betatel BETATEL LTD | 512 | — | 1 |
| AS47964BG | Data-Center Data Center Ltd. | 512 | — | 2 |
| AS210992BG | dbank D Commerce Bank AD | 512 | — | 2 |
| AS215508BG | HOST-DOT-NET Dot Net Ltd | 512 | — | 2 |
| AS202911BG | NEWAGENET New Age Networks Ltd. | 512 | — | 2 |
| AS60859BG | TeraCom-AS TERA COMMUNICATIONS AD | 512 | — | 2 |
| AS15669BG | BIX-BG BIX.BG Ltd. | 512 | 1 | 2 |
| AS42157BG | A1BG A1 Bulgaria EAD | 512 | — | 1 |
| AS43732BG | TBI-AS TBI BANK EAD | 512 | — | 2 |
| AS49421BG | LINUXLTD Linux Ltd. | 512 | 1 | 2 |
| AS202439BG | BG-NETCOM NETCOM Ltd. | 512 | — | 1 |
| AS206410BG | Intellegent-Sys-Bulgaria Intellegent Systems Bulgaria Ltd. | 512 | — | 2 |
| AS198576BG | BNR-AS Bulgarin National Radio | 512 | — | 2 |
| AS202968BG | Credissimo Credissimo JSCo | 512 | — | 2 |