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 |
|---|---|---|---|---|
| AS8866 | ISP & Mobile | 996 | 199 | Vivacom Bulgaria EAD |
| AS29580 | ISP & Mobile | 605 | 15 | A1 Bulgaria EAD |
| AS13124 | ISP & Mobile | 432 | 72 | A1 Bulgaria EAD |
| AS35141 | ISP & Mobile | 361 | 0 | A1 Bulgaria EAD |
| AS39184 | ISP & Mobile | 194 | 0 | UltraNET Ltd |
| AS20911 | ISP & Mobile | 184 | 0 | Net-Surf.net Ltd. |
| AS29084 | ISP & Mobile | 154 | 2 | Comnet Bulgaria Holding Ltd. |
| AS29687 | Other Business | 153 | 0 | Geodim Ltd. |
| AS59711 | Hosting Provider | 147 | 17 | HZ Hosting Ltd |
| AS25374 | ISP & Mobile | 147 | 1 | ESCOM Ltd. - Haskovo |
| AS34295 | Other Business | 142 | 0 | Geo BG Net SPLtd. |
| AS34224 | ISP & Mobile | 140 | 19 | Neterra Ltd. |
| AS29582 | Other Business | 138 | 1 | Optisprint OOD |
| AS9070 | ISP & Mobile | 121 | 0 | Cooolbox AD |
| AS12829 | Other Business | 108 | 0 | Angel Soft OOD |
| AS8717 | ISP & Mobile | 106 | 4 | A1 Bulgaria EAD |
| AS57344 | ISP & Mobile | 104 | 1 | Telehouse EAD |
| AS44901 | Hosting Provider | 78 | 4 | Belcloud LTD |
| AS39251 | ISP & Mobile | 75 | 1 | NETGUARD LLC |
| AS197897 | Other Business | 70 | 0 | 5KOM OOD |
| AS199790 | Other Business | 68 | 2 | IP Telecom Bulgaria |
| AS31083 | Hosting Provider | 63 | 0 | Telepoint Ltd |
| AS48917 | Other Business | 60 | 0 | Optinet Ltd |
| AS6802 | Other Business | 56 | 6 | Bulgarian Research and Education Network Association (BREN) |
| AS25206 | ISP & Mobile | 56 | 0 | Unacs - Yuri Jordanov Ltd. |
| AS197216 | Hosting Provider | 54 | 0 | Delta HighTech Ltd. |
| AS202015 | Hosting Provider | 53 | 8 | HZ Hosting Ltd |
| AS12716 | ISP & Mobile | 53 | 1 | A1 Bulgaria EAD |
| AS39246 | Other Business | 50 | 0 | Optical Structural Network Ltd. |
| AS12615 | ISP & Mobile | 48 | 1 | Global Communication Net Plc |
| AS203380 | Hosting Provider | 43 | 5 | DA International Group Ltd. |
| AS207144 | Other Business | 43 | 0 | SOFCOMPANY Ltd |
| AS8860 | Hosting Provider | 42 | 5 | Delta HighTech Ltd. |
| AS39401 | ISP & Mobile | 42 | 1 | Link+ Ltd |
| AS31287 | Other Business | 39 | 3 | IPACCT CABLE Ltd |
| AS25211 | Other Business | 35 | 0 | "Euro Crypt" EOOD |
| AS8262 | Hosting Provider | 34 | 2 | Evolink EAD |
| AS44851 | Other Business | 33 | 2 | Retel JSC |
| AS198259 | Other Business | 32 | 0 | ECOM SERVICE AD |
| AS28909 | Hosting Provider | 32 | 0 | TV SAT NET LTD |
| AS49849 | ISP & Mobile | 32 | 0 | MG 2002 LTD. |
| AS50186 | ISP & Mobile | 32 | 0 | Pronet Telekom Ltd |
| AS49699 | Hosting Provider | 30 | 0 | SuperHosting.BG Ltd. |
| AS8739 | Hosting Provider | 30 | 0 | ICDSoft Ltd. |
| AS207728 | Hosting Provider | 27 | 2 | EUROHOSTER Ltd. |
| AS13306 | Other Business | 27 | 1 | Unics EOOD |
| AS34376 | Other Business | 27 | 0 | Telecom Group Ltd |
| AS48452 | Other Business | 26 | 0 | Telco power Ltd |
| AS204281 | ISP & Mobile | 25 | 1 | NETX - NG LTD |
| AS41313 | Other Business | 24 | 5 | "NOVATEL" EOOD |
| AS42555 | Other Business | 24 | 0 | OPTICCOM- BULGARIA Ltd. |
| AS49040 | Other Business | 24 | 0 | K and D UNISAT -TV LLC |
| AS60656 | ISP & Mobile | 23 | 0 | BOL BG IZTOK LTD |
| AS21230 | ISP & Mobile | 22 | 1 | M SAT Cable EAD |
| AS42248 | Other Business | 22 | 0 | Vida optics TVV Ltd. |
| AS47748 | Hosting Provider | 21 | 2 | Daticum AD |
| AS50360 | Other Business | 21 | 1 | Tamatiya EOOD |
| AS199173 | ISP & Mobile | 21 | 0 | TechnoLux Ltd. |
| AS201200 | Hosting Provider | 21 | 0 | SuperHosting.BG Ltd. |
| AS31029 | Other Business | 20 | 1 | M-REAL NET Ltd. |
| AS31420 | Other Business | 20 | 0 | Terasyst Ltd |
| AS58079 | ISP & Mobile | 20 | 0 | Skynet Ltd |
| AS29632 | Other Business | 19 | 2 | Netassist International EOOD |
| AS29244 | ISP & Mobile | 19 | 1 | CETIN Bulgaria EAD |
| AS29667 | ISP & Mobile | 19 | 1 | Atlantis Net Ltd. |
| AS61071 | Other Business | 19 | 0 | NETBOX LTD |
| AS43205 | ISP & Mobile | 18 | 1 | Vivacom Bulgaria EAD |
| AS38932 | ISP & Mobile | 18 | 0 | Rimex Ltd. |
| AS42956 | Other Business | 18 | 0 | NAS - DI EOOD |
| AS42794 | ISP & Mobile | 17 | 1 | Ultracom Ltd. |
| AS198482 | Other Business | 17 | 0 | Pernik Lan Ltd. |
| AS28949 | Education | 17 | 0 | Technical University of Sofia |
| AS16154 | Other Business | 16 | 2 | Telecoms-Net Ltd. |
| AS24750 | ISP & Mobile | 16 | 1 | MyAcct LTD |
| AS34577 | ISP & Mobile | 16 | 0 | SKAT TV Ltd. |
| AS44247 | Other Business | 16 | 0 | Videosat 21 Vek OOD |
| AS42446 | Other Business | 15 | 1 | Viscomp Ltd |
| AS60447 | Other Business | 15 | 1 | I NET BULGARIA EOOD |
| AS31298 | Other Business | 15 | 0 | Zulu Ltd. |
| AS59463 | Other Business | 15 | 0 | VISION 2008 Ltd. |
| AS60168 | Other Business | 14 | 2 | Net Service BG Ltd |
| AS39505 | ISP & Mobile | 14 | 1 | VESTITEL BG |
| AS25147 | Other Business | 14 | 0 | Ecoplast EOOD |
| AS29030 | ISP & Mobile | 14 | 0 | TELECABEL PLC |
| AS44814 | ISP & Mobile | 13 | 1 | "Bulgartel" AD |
| AS39396 | ISP & Mobile | 12 | 1 | NBI Systems Ltd. |
| AS49188 | Other Business | 12 | 1 | Three A Hub EOOD |
| AS16344 | Government | 12 | 0 | Information Services PLC |
| AS44309 | Other Business | 12 | 0 | ET "Satelit TM - Anton Simeonov" |
| AS48747 | ISP & Mobile | 12 | 0 | Lukovitnet Ltd. |
| AS57634 | ISP & Mobile | 12 | 0 | SKAT POPOVO Ltd. |
| AS60966 | Other Business | 12 | 0 | Nikem Net Ltd. |
| AS205132 | ISP & Mobile | 11 | 0 | Vivacom Bulgaria EAD |
| AS20657 | Other Business | 11 | 0 | ATLANTIS BG Ltd. |
| AS208392 | Other Business | 11 | 0 | "It Saport" Ltd. |
| AS215853 | Other Business | 11 | 0 | Bonfortuna Ltd |
| AS29622 | ISP & Mobile | 11 | 0 | ICON Ltd |
| AS45007 | ISP & Mobile | 11 | 0 | VIPNET PRIM Ltd |
| AS61996 | Other Business | 11 | 0 | ILLUSION NET EOOD |
| AS206105 | ISP & Mobile | 10 | 1 | floLIVE Bulgaria Ltd. |