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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 |
| AS47874BG | ICB-AS InterConsult Bulgaria OOD | 256 | — | 1 |
| AS200391BG | KREZ999AS KREZ 999 EOOD | 256 | — | 1 |
| AS204722BG | wix-like w-ix ltd | 256 | — | 1 |
| AS41990BG | NETFINITY-AS NETFINITY JSC | 256 | — | 1 |
| AS208322BG | BG-ITP-NET ITP-NET OOD | 256 | — | 1 |
| AS44781BG | CREDIBUL-AS Micro Credit AD | 256 | — | 1 |
| AS207772BG | TOPNET-AS Top Net BG LTD | 256 | — | 1 |
| AS209142BG | VODOSNABDIAWANE-I-KANALIZACIA-AS Vodosnabdiawane I Kanalizacia EOOD | 256 | — | 1 |
| AS41610BG | FINITE Finite Software Systems Ltd. | 256 | — | 1 |
| AS202690BG | Investbank-AD Investbank AD | 256 | — | 1 |
| AS201114BG | AMK-Drives-BG AMK Drives and controls Ltd. | 256 | — | 1 |
| AS62037BG | TFS-BG Transcard Financial Services EAD | 256 | — | 1 |
| AS197647BG | BG-INERPS INERPS EOOD | 256 | — | 1 |
| AS218156BG | EFFINTECH-AS EFFECTIVE INTERNET TECHNOLOGIES EDPK | 256 | — | 1 |
| AS48746BG | ATSA-BG Air Traffic Services Authority | 256 | — | 1 |
| AS207812BG | DM_AUTO DM AUTO EOOD | 256 | 1 | 2 |
| AS204554BG | BG-PRESTIGE-AB PRESTIGE-AB Ltd | 256 | — | 1 |
| AS61082BG | MTSP-AS Ministerstvo na Truda i Socialnata Politika | 256 | — | 1 |
| AS216295BG | TEXIMSOLUTIONS TEXIM SOLUTIONS EOOD | 256 | — | 1 |
| AS13147BG | NETINFO Net Info JSCo | 256 | — | 1 |
| AS62411BG | SOLYTRON ALSO Bulgaria EOOD | 256 | — | 1 |
| AS47928BG | Akhnaton Akhnaton CO Ltd. | 256 | — | 1 |
| AS15362BG | RiskEngineering Risk Engineering Ltd. | 256 | — | 1 |
| AS200450BG | HACKMAN SiteGround Hosting EOOD | 256 | — | 1 |
| AS31308BG | FIXITY FIXITY LLC | 256 | 2 | 3 |
| AS24770BG | UX-AS Unix Solutions Ltd | 256 | — | 1 |
| AS31440BG | DSK-AS DSK Bank EAD | 256 | — | 1 |
| AS57813BG | CASHBG-AS Cash Services Company | 256 | — | 1 |
| AS208860BG | NORTHWESTUNION North West Union Ltd. | 256 | — | 1 |
| AS205549BG | PREMIUM-SERVICES Premium Services LTD | 256 | — | 1 |
| AS41292BG | Speditor-NET-AS Speditor NET Ltd. | 256 | — | 1 |
| AS219049BG | NEBOSYSTEMS NEBOSYSTEMS EOOD | 256 | — | 1 |
| AS201583BG | BENCHMARK-AS Benchmark Group AD | 256 | — | 1 |
| AS49658BG | PONBG PON.BG Ltd. | 256 | — | 1 |
| AS205937BG | BGTRANSGAS Bulgartransgaz EAD | 256 | — | 1 |
| AS199958BG | HOSTWARE HOSTWARE LLC | 256 | — | 1 |
| AS199759BG | Aviaso-AS Honeywell EOOD | 256 | — | 1 |
| AS44872BG | APBG-AS PREZIDENTSTVO NA REPUBLIKA BULGARIA | 256 | 1 | 2 |
| AS29390BG | CTU-AS Netassist International EOOD | 256 | — | 1 |
| AS196807BG | ASPETROLBG Petrol AD | 256 | — | 1 |
| AS59746BG | ABRITES-AS ABRITES LTD. | 256 | — | 1 |
| AS197055BG | ALLIANZ-BG ZAD Allianz Bulgaria AD | 256 | — | 1 |
| AS218483BG | Martin-AS Martin Velikov | 256 | — | 1 |
| AS42267BG | VMPLUS Vision Media Plus, EOOD | 512 | — | 2 |
| AS205546BG | GiganetNetworks GIGA FIBERNET ltd. | 512 | — | 2 |
| AS25554BG | MINFIN-AS Ministry of Finance of Bulgarian Government | 512 | — | 2 |