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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 |
| 256 |
| — |
| 1 |
| AS202043BG | BIA-BG Bulgarian Industrial Association, Union of Bulgarian business | 256 | — | 1 |
| AS12756BG | INFOCOM-AS INFOCOM Plc. | 256 | — | 1 |
| AS51383BG | SGROUP S Group International JSC | 256 | — | 1 |
| AS47647BG | E-FELLOWS eFellows Ltd. | 256 | — | 1 |
| AS207371BG | gec-bg GEC BG Ltd. | 256 | — | 1 |
| AS25224BG | STS-HOLDING-AS STS Invest Holding AD | 256 | — | 1 |
| AS62037BG | TFS-BG Transcard Financial Services EAD | 256 | — | 1 |
| AS29366BG | AIIDATAPRO-AS A Data Pro Ltd | 256 | — | 1 |
| AS57840BG | Kontrax Comnet Bulgaria Holding Ltd. | 256 | — | 1 |
| AS199230BG | MITKO Mitko.com EOOD | 256 | — | 1 |
| AS204469BG | SANEVIAN Sanevian | 256 | — | 1 |
| AS213271BG | TODAKOM TODAKOM ASB EOOD | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS34589BG | IFAO-BG-AS Amadeus Sofia Labs Ltd | 256 | — | 1 |
| AS44201BG | BNB Bulgarian National Bank | 256 | — | 1 |
| AS210624BG | VG_Global_JSC VG Global JSC | 256 | — | 1 |
| AS214433BG | BG-INTERCITYNET Intercity Network EOOD | 256 | — | 1 |
| AS24770BG | UX-AS Unix Solutions Ltd | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS206645BG | MRRB-AS Ministry of Regional Development and Public Works | 256 | — | 1 |
| AS49950BG | MVR-BG Ministry of Interior of Republic of Bulgaria | 256 | — | 1 |
| AS51830BG | C3I-AS C3i Europe EOOD | 256 | — | 1 |
| AS204722BG | wix-like w-ix ltd | 256 | — | 1 |
| AS201215BG | PIMPRIMA-AS Professional Information Management - PRIMA AD | 256 | — | 1 |
| AS208322BG | BG-ITP-NET ITP-NET OOD | 256 | — | 1 |
| AS197232BG | CARGOPLANET Cargo Planet Ltd. | 256 | — | 1 |
| AS41803BG | KPMG-AS KPMG Audit OOD | 256 | — | 1 |
| AS47928BG | Akhnaton Akhnaton CO Ltd. | 256 | — | 1 |
| AS44872BG | APBG-AS PREZIDENTSTVO NA REPUBLIKA BULGARIA | 256 | 1 | 2 |
| AS203954BG | ITNSGLOBAL-AS ITNS GLOBAL EOOD | 256 | 65.5K | 2 |
| AS15534BG | DatamaxBG Datamax AD | 256 | — | 1 |
| AS42721BG | VideoMaxAVS VideoMaxAVS Ltd. | 256 | 16 | 2 |
| AS204232BG | BG-DIGITALSOL-AS ALOHA EXPERT EOOD | 256 | — | 1 |
| AS42855BG | OMEGANET OMEGA-NET Ltd | 256 | — | 1 |
| AS15362BG | RiskEngineering Risk Engineering Ltd. | 256 | — | 1 |
| AS34491BG | BULSTRAD-AS BULSTRAD VIENNA INSURANCE GROUP EAD | 256 | — | 1 |
| AS209841BG | MCS-AS MANAGEMENT SERVICES CORPORATION EAD | 256 | — | 1 |
| AS216148BG | SEPA-Cyber SEPA Cyber Technologies EAD | 256 | — | 1 |
| AS41764BG | RATOLAIT-AS Ratola Information Technologies EOOD | 256 | — | 1 |
| AS207812BG | DM_AUTO DM AUTO EOOD | 256 | 1 | 2 |
| AS209362BG | BG-AELIA88 AELIA 88 Ltd | 256 | — | 1 |
| AS44564BG | EUROSPED-AS Technical Solution Ltd | 256 | — | 1 |
| AS49330BG | NIKO-AS ET Nikolay Petrov - Niko | 256 | — | 1 |
| AS211128BG | SKYFIBER-AS Sky Fiber AD | 256 | — | 1 |
| AS210039BG | GAMMACONSULT-AS GAMMA CONSULT - KALINKIN, PROKOPOV & SIE | 256 | — | 1 |
| AS211772BG | ITRB ITRB Ltd | 256 | — | 1 |