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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 |
| — |
| — |
| 0 |
| AS214378BG | MS-Optic-NET MS Optic NET EOOD | — | — | 0 |
| AS215122BG | KRASI-ASN Krasimir Velkov | — | — | 0 |
| AS202463BG | Gigabyte-LTD Gigabyte Bulgaria LTD | — | — | 0 |
| AS214364BG | STREAMTECH-AS StreamTech Solutions EOOD | — | — | 0 |
| AS59742BG | CABLENETSERVICES-AS MEGABYTE INTERNET Ltd. | — | — | 0 |
| AS16226BG | NEWGEN Internet & Telecom Solutions Ltd. | — | — | 0 |
| AS51614BG | ALTERA-SYSTEMS Electris Ltd. | — | — | 0 |
| AS56693BG | TWOTOWN LANET EOOD | — | — | 0 |
| AS48355BG | VARNA-IX Varteh LTD | — | — | 0 |
| AS199388BG | RDBBG RDB BULGARIA Ltd. | — | — | 0 |
| AS44967BG | TASIO Tasio LTD. | — | — | 0 |
| AS50726BG | TOPNET2003 TOP NET 2003 Ltd. | — | — | 0 |
| AS41989BG | KTBAC-AS Dobrinka Bacanova | — | — | 0 |
| AS201003BG | BG-KAVARNASAT KAVARNA SAT Ltd. | — | — | 0 |
| AS211243BG | BG-PITOPY PITOPY Ltd. | — | — | 0 |
| AS59405BG | BG-SUPERHOSTING-AS SuperHosting.BG Ltd. | — | — | 0 |
| AS35466BG | Metro-BG-AS METRO Cash & Carry Bulgaria EOOD | — | — | 0 |
| AS41059BG | T-CIX "NOVATEL" EOOD | — | — | 0 |
| AS49518BG | TriplePlay TRIPLE NET EOOD | — | — | 0 |
| AS211330BG | ISGBG ISGBG EOOD | — | — | 0 |
| AS9127BG | NETISSAT-AS Vivacom Bulgaria EAD | — | — | 0 |
| AS57674BG | NETERRAIP-ASN Neterra Ltd. | — | — | 0 |
| AS213984BG | sonicboomnetwork KRISTO PETROV | — | — | 0 |
| AS211877BG | TURKIX TurkIX Communications Ltd. | — | — | 0 |
| AS41870BG | S3Company S3 Company Ltd | — | — | 0 |
| AS214471BG | Radibase3 Radibase EOOD | — | — | 0 |
| AS199282BG | SOFLAN-AS Sofia Lan EOOD | — | — | 0 |
| AS216295BG | TEXIMSOLUTIONS TEXIM SOLUTIONS EOOD | — | — | 0 |
| AS24964BG | A1BG A1 Bulgaria EAD | — | — | 0 |
| AS208860BG | NORTHWESTUNION North West Union Ltd. | 256 | — | 1 |
| AS43713BG | MOSTBG-AS MOST Computers Ltd. | 256 | — | 1 |
| AS200458BG | VMobile Vmobile AD | 256 | — | 1 |
| AS35293BG | ECARD-AS E-CARD LTD. | 256 | — | 1 |
| AS208637BG | Vendeta4-LTD 4 Vendeta Ltd | 256 | — | 1 |
| AS31140BG | BSE-AS Bulgarian Stock Exchange AD | 256 | — | 1 |
| AS204266BG | CentralPark_Burgas CENTRAL PARK BURGAS -EOOD | 256 | — | 1 |
| AS197055BG | ALLIANZ-BG ZAD Allianz Bulgaria AD | 256 | — | 1 |
| AS212561BG | Money_Plus Money Plus Management AD | 256 | — | 1 |
| AS205808BG | BG-TURBONET Turbo-Net EOOD | 256 | — | 1 |
| AS204639BG | H-Tech H-Tech EOOD | 256 | — | 1 |
| AS51987BG | EGT Euro Games Technology LTD | 256 | — | 1 |
| AS205454BG | GLOBAL-SERVICES-M GLOBAL SERVICES M EOOD | 256 | — | 1 |
| AS198127BG | HRISTOBOGDANOV-AS Hristo Bogdanov | 256 | 1 | 2 |
| AS57813BG | CASHBG-AS Cash Services Company | 256 | — | 1 |
| AS12756BG | INFOCOM-AS INFOCOM Plc. | 256 | — | 1 |
| AS200631BG | VASILEVO_SAPORT_SERVISEZ VASILEVO SAPORT SERVISEZ Ltd. | 256 | — | 1 |