A list of all Bulgaria ASNs including hosting providers, ISPs, and businesses with announced IPv4 and IPv6 prefixes.
| ASN | Type | IPv4 Routes | IPv6 Routes | Company |
|---|---|---|---|---|
| AS43944 | Other Business | 1 | 0 | Velox Ltd. |
| AS44179 | Other Business | 1 | 0 | Progress Software EAD |
| AS44201 | ISP & Mobile | 1 | 0 | Bulgarian National Bank |
| AS44396 | Other Business | 1 | 0 | United Bulgarian Bank AD |
| AS44564 | Other Business | 1 | 0 | Technical Solution Ltd |
| AS44598 | Other Business | 1 | 0 | GIGA FIBERNET ltd. |
| AS44781 | Other Business | 1 | 0 | Micro Credit AD |
| AS44805 | Education | 1 | 0 | New Bulgarian University |
| AS44886 | Other Business | 1 | 0 | Elana Financial Holding AD |
| AS47174 | Other Business | 1 | 0 | Technical University of Varna |
| AS47226 | Other Business | 1 | 0 | AKAT TECHNOLOGIES LTD |
| AS47647 | Other Business | 1 | 0 | eFellows Ltd. |
| AS47771 | ISP & Mobile | 1 | 0 | Vivacom Bulgaria EAD |
| AS47874 | Other Business | 1 | 0 | InterConsult Bulgaria OOD |
| AS47928 | Other Business | 1 | 0 | Akhnaton CO Ltd. |
| AS48064 | Other Business | 1 | 0 | Comet Electronics OOD |
| AS48440 | Hosting Provider | 1 | 0 | Ekvia Ltd |
| AS48458 | Other Business | 1 | 0 | Uniqa Insurance JSC |
| AS48745 | Other Business | 1 | 0 | ICOM Ltd. |
| AS48746 | ISP & Mobile | 1 | 0 | Air Traffic Services Authority |
| AS49176 | Other Business | 1 | 0 | Elemental.tv OOD |
| AS49330 | Other Business | 1 | 0 | ET Nikolay Petrov - Niko |
| AS49658 | Other Business | 1 | 0 | PON.BG Ltd. |
| AS49950 | Other Business | 1 | 0 | Ministry of Interior of Republic of Bulgaria |
| AS50194 | Other Business | 1 | 0 | CORPORATE COMMERCIAL BANK AD |
| AS50302 | Other Business | 1 | 0 | Radomir.Net Ltd |
| AS50379 | Hosting Provider | 1 | 0 | Internet Services and Communications AD |
| AS50431 | ISP & Mobile | 1 | 0 | SOT Security and Observation Technologies EOOD |
| AS50506 | Other Business | 1 | 0 | Bulgarian-American Credit Bank JSC |
| AS51196 | ISP & Mobile | 1 | 0 | GOLD TELECOM BULGARIA PLC |
| AS51383 | Other Business | 1 | 0 | S Group International JSC |
| AS51855 | Other Business | 1 | 0 | NET COMP Ltd. |
| AS51987 | ISP & Mobile | 1 | 0 | Euro Games Technology LTD |
| AS56371 | Other Business | 1 | 0 | Creditreform Bulgaria EOOD |
| AS56539 | Other Business | 1 | 0 | Management Business Machine Ltd. |
| AS56856 | Other Business | 1 | 0 | Insurance JSC Armeec |
| AS56906 | Other Business | 1 | 0 | Osceola Ltd. |
| AS57122 | Other Business | 1 | 0 | PSP Bulgaria Ltd. |
| AS57463 | Hosting Provider | 1 | 0 | NetIX Communications JSC |
| AS57509 | Other Business | 1 | 0 | L&L Investment Ltd. |
| AS57538 | Government | 1 | 0 | Prokuratura-Republika-Bulgaria |
| AS57622 | Other Business | 1 | 0 | AUTO PLUS BULGARIA JSC |
| AS57765 | Other Business | 1 | 0 | Optix JSC |
| AS57813 | Other Business | 1 | 0 | Cash Services Company |
| AS57840 | ISP & Mobile | 1 | 0 | Comnet Bulgaria Holding Ltd. |
| AS57895 | Other Business | 1 | 0 | Dianel LTD |
| AS59709 | Other Business | 1 | 0 | Teknowledge OPS Bulgaria EOOD |
| AS59746 | Other Business | 1 | 0 | ABRITES LTD. |
| AS60457 | Government | 1 | 0 | Directorate General "Civil Aviation Administration" |
| AS60578 | Other Business | 1 | 0 | Nemetschek OOD |
| AS60590 | Other Business | 1 | 0 | Naxex Technological Development Ltd |
| AS61082 | Education | 1 | 0 | Ministerstvo na Truda i Socialnata Politika |
| AS61301 | Other Business | 1 | 0 | Parahodstvo Balgarski Morski Flot AD |
| AS61321 | Other Business | 1 | 0 | AIKO MULTY CONCEPT Ltd. |
| AS61975 | ISP & Mobile | 1 | 0 | "Global Net Technology" AD |
| AS62037 | Other Business | 1 | 0 | Transcard Financial Services EAD |
| AS62323 | Other Business | 1 | 0 | DragoNET - Lyuba Pesheva |
| AS62411 | Other Business | 1 | 0 | ALSO Bulgaria EOOD |
| AS64464 | ISP & Mobile | 1 | 0 | Euro Games Technology LTD |
| AS8628 | Other Business | 1 | 0 | KREMAK EOOD |
| AS8672 | ISP & Mobile | 1 | 0 | A1 Bulgaria EAD |
| AS8877 | Other Business | 1 | 0 | Lir.bg EOOD |
| AS12792 | Other Business | 0 | 7 | Netassist International EOOD |
| AS42372 | Other Business | 0 | 2 | Netassist International EOOD |
| AS60356 | Other Business | 0 | 2 | Lagom Solutions LLC |
| AS200301 | Other Business | 0 | 1 | Miroslav Ivanov |
| AS205874 | Other Business | 0 | 1 | Zero Byte EOOD |
| AS209577 | Government | 0 | 1 | NIMH |
| AS59872 | Other Business | 0 | 1 | Icard Services PLC |