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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 |
| 256 |
| — |
| 1 |
| AS202457BG | ITRB ITRB Ltd | 256 | — | 1 |
| AS218156BG | EFFINTECH-AS EFFECTIVE INTERNET TECHNOLOGIES EDPK | 256 | — | 1 |
| AS204842BG | MJBG-AS Ministry of Justice Bulgaria | 256 | — | 1 |
| AS204232BG | BG-DIGITALSOL-AS ALOHA EXPERT EOOD | 256 | — | 1 |
| AS29366BG | AIIDATAPRO-AS A Data Pro Ltd | 256 | — | 1 |
| AS57840BG | Kontrax Comnet Bulgaria Holding Ltd. | 256 | — | 1 |
| AS202593BG | AS_iGaming_Ltd iGaming.com_Limited | 256 | — | 1 |
| AS57463BG | NetIX NetIX Communications JSC | 256 | — | 1 |
| AS212561BG | Money_Plus Money Plus Management AD | 256 | — | 1 |
| AS215888BG | Lukoil_Nehtohim_Burgas LUKOIL Neftohim Burgas AD | 256 | — | 1 |
| AS210299BG | ART-BUILD-UP-AS ART-BUILD-UP | 256 | — | 1 |
| AS202265BG | INTERWEBS InterWebs Ltd. | 256 | 2 | 3 |
| AS209160BG | Miti2000 Miti 2000 EOOD | 256 | — | 1 |
| AS196801BG | ASCHIMBG Chimimport Plc | 256 | — | 1 |
| AS213357BG | KAOLIN KAOLIN_AD | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS197647BG | BG-INERPS INERPS EOOD | 256 | — | 1 |
| AS211674BG | PRIMEVOIP-AS PrimeVOIP Bulgaria LTD | 256 | — | 1 |
| AS209524BG | Ballistic_Cell_LTD Ballistic Cell LTD. | 256 | — | 1 |
| AS44872BG | APBG-AS PREZIDENTSTVO NA REPUBLIKA BULGARIA | 256 | 1 | 2 |
| AS216148BG | SEPA-Cyber SEPA Cyber Technologies EAD | 256 | — | 1 |
| AS205128BG | Trixir-AS Phoenix Media Ltd. | 256 | — | 1 |
| AS31522BG | BTV-BG BTV MEDIA GROUP EAD | 256 | — | 1 |
| AS15362BG | RiskEngineering Risk Engineering Ltd. | 256 | — | 1 |
| AS44201BG | BNB Bulgarian National Bank | 256 | — | 1 |
| AS34074BG | IBS-BG-AS IBS Bulgaria EOOD | 256 | — | 1 |
| AS214342BG | DIMINUENDO DIMINUENDO Ltd | 256 | — | 1 |
| AS56906BG | OSCEOLA Osceola Ltd. | 256 | — | 1 |
| AS209696BG | Nilsat NILSAT Ltd. | 256 | — | 1 |
| AS203954BG | ITNSGLOBAL-AS ITNS GLOBAL EOOD | 256 | — | 1 |
| AS198940BG | FADATABG-AS FADATA EOOD | 256 | — | 1 |
| AS35011BG | Prosveta Prosveta Sofia PLC | 256 | — | 1 |
| AS207172BG | PROSTO-INETRA PRO STO | 256 | — | 1 |
| AS205454BG | GLOBAL-SERVICES-M GLOBAL SERVICES M EOOD | 256 | — | 1 |
| AS198868BG | BGTEL-AS BGTEL OOD | 256 | — | 1 |
| AS207812BG | DM_AUTO DM AUTO EOOD | 256 | 1 | 2 |
| AS41803BG | KPMG-AS KPMG Audit OOD | 256 | — | 1 |
| AS210567BG | OB-Veliko-Tarnovo OBVT | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS47928BG | Akhnaton Akhnaton CO Ltd. | 256 | — | 1 |
| AS31440BG | DSK-AS DSK Bank EAD | 256 | — | 1 |
| AS41610BG | FINITE Finite Software Systems Ltd. | 256 | — | 1 |
| AS209841BG | MCS-AS MANAGEMENT SERVICES CORPORATION EAD | 256 | — | 1 |
| AS206935BG | YANAK-AS YANAK SOFT EOOD | 256 | — | 1 |
| AS218219BG | Denev Ivan Danailov Denev | 256 | — | 1 |