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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.
754 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 | 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 |
| — |
| — |
| 0 |
| AS202463BG | Gigabyte-LTD Gigabyte Bulgaria LTD | — | — | 0 |
| AS207182BG | S-Corporation Simeonov Corporation LTD | — | — | 0 |
| AS197216BG | DELTA-BG-AS Delta HighTech Ltd. | — | — | 0 |
| AS209017BG | MIR-NETWORKS-AS Meldo International Routing Services EOOD | — | — | 0 |
| AS219303BG | FH-Europe Friendhosting LTD | — | — | 0 |
| AS218660BG | Arexim-Engineering-EAD Arexim Engineering EAD | — | — | 0 |
| AS200523BG | RDB RDB EOOD | — | — | 0 |
| AS43426BG | NLine-Lviv Netassist International EOOD | — | — | 0 |
| AS209922BG | Bulinfo-Hosting BULINFO EOOD | — | — | 0 |
| AS31460BG | Unikal Unikal - N.Nikolov Ltd | — | — | 0 |
| AS5472BG | BG-NEWIX-AS ALOHA EXPERT EOOD | — | — | 0 |
| AS211330BG | ISGBG ISGBG EOOD | — | — | 0 |
| AS16226BG | NEWGEN Internet & Telecom Solutions Ltd. | — | — | 0 |
| AS207621BG | AS_Solutions AS Solutions Ltd. | — | — | 0 |
| AS212283BG | ROZA-AS ROZA HOLIDAYS EOOD | — | — | 0 |
| AS43659BG | CloudComputing Neterra Ltd. | — | — | 0 |
| AS51614BG | ALTERA-SYSTEMS Electris Ltd. | — | — | 0 |
| AS218162BG | AS_B-IX_Routing Balkan Internet Exchange Ltd | — | — | 0 |
| AS31250BG | OnlineDirect-AS Vivacom Bulgaria EAD | — | — | 0 |
| AS59742BG | MEGABYTE-INTERNET-AS MEGABYTE INTERNET Ltd. | — | — | 0 |
| AS41059BG | T-CIX "NOVATEL" EOOD | — | — | 0 |
| AS57674BG | NETERRAIP-ASN Neterra Ltd. | — | — | 0 |
| AS59900BG | Balkan-Internet-Exchange Balkan Internet Exchange Ltd | — | — | 0 |
| AS205540BG | ru-telecom Meldo International Routing Services EOOD | — | — | 0 |
| AS49518BG | TriplePlay TRIPLE NET EOOD | — | — | 0 |
| AS206511BG | scorpion_shipping Scorpion Shipping OOD | 256 | — | 1 |
| AS198868BG | BGTEL-AS BGTEL OOD | 256 | — | 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS206645BG | MRRB-AS Ministry of Regional Development and Public Works | 256 | — | 1 |
| AS206755BG | netcube Netcube Ltd. | 256 | 65.5K | 2 |
| AS57840BG | Kontrax Comnet Bulgaria Holding Ltd. | 256 | — | 1 |
| AS208322BG | BG-ITP-NET ITP-NET OOD | 256 | — | 1 |
| AS200459BG | Net_Host_Solution Net Host Solutions Ltd. | 256 | — | 1 |
| AS198940BG | FADATABG-AS FADATA EOOD | 256 | — | 1 |
| AS200422BG | Concentrix-Services Concentrix Services Bulgaria EOOD | 256 | — | 1 |
| AS2111BG | Skynet-AS SkyNet Group Ltd. | 256 | — | 1 |
| AS198127BG | HRISTOBOGDANOV-AS Hristo Bogdanov | 256 | 1 | 2 |
| AS47226BG | AKAT_Technologies AKAT TECHNOLOGIES LTD | 256 | — | 1 |
| AS33825BG | BOR-AS Interimpex Ltd. | 256 | — | 1 |
| AS199958BG | HOSTWARE HOSTWARE LLC | 256 | — | 1 |
| AS200631BG | VASILEVO_SAPORT_SERVISEZ VASILEVO SAPORT SERVISEZ Ltd. | 256 | — | 1 |
| AS209628BG | MAZEN MAZEN LLC | 256 | — | 1 |
| AS202843BG | PlayboxTechML Playbox Technology ME Ltd. | 256 | — | 1 |
| AS207812BG | DM_AUTO DM AUTO EOOD | 256 | 1 | 2 |
| AS208860BG | NORTHWESTUNION North West Union Ltd. | 256 | — | 1 |
| AS209524BG | Ballistic_Cell_LTD Ballistic Cell LTD. | 256 | — | 1 |