Bulgaria
IP address space, AS numbers and the largest networks registered in Bulgaria, based on the delegation records of the regional internet registries.
IPv4 addresses
4.3M
1,830 blocks
IPv6 allocations
266
AS numbers
745
Routed AS numbers
674
Largest networks in Bulgaria
By announced prefixes| AS | Name | IPv4 prefixes | IPv6 prefixes |
|---|---|---|---|
| AS8866 | VIVACOM-AS Vivacom Bulgaria EAD | 1,011 | 234 |
| AS29580 | A1BG_RSG A1 Bulgaria EAD | 611 | 20 |
| AS13124 | A1BG_RSD A1 Bulgaria EAD | 441 | 73 |
| AS35141 | A1BG_RSS A1 Bulgaria EAD | 361 | 0 |
| AS39184 | UltraNET-AS UltraNET Ltd | 195 | 0 |
| AS20911 | NETSURF-AS-BG Net-Surf.net Ltd. | 177 | 0 |
| AS59711 | HZ-EU-AS HZ Hosting Ltd | 158 | 17 |
| AS29084 | COMNET-AS Comnet Bulgaria Holding Ltd. | 154 | 2 |
| AS29687 | BGWAN-AS Geodim Ltd. | 153 | 0 |
| AS34224 | NETERRA-AS Neterra Ltd. | 132 | 17 |
| AS25374 | ESCOMBG-AS ESCOM Ltd. Haskovo | 145 | 1 |
| AS34295 | ETA-BG-ASN Geo BG Net SPLtd. | 144 | 0 |
| AS29582 | SATCOM-AS Optisprint OOD | 136 | 2 |
| AS9070 | Cooolbox Cooolbox AD | 119 | 0 |
| AS12829 | ANGELSOFT Angel Soft OOD | 109 | 0 |
| AS8717 | A1BG A1 Bulgaria EAD | 103 | 4 |
| AS57344 | TELEHOUSE-AS Telehouse EAD | 104 | 1 |
| AS44901 | belcloud Belcloud LTD | 76 | 4 |
| AS39251 | NETGUARD NETGUARD LLC | 73 | 1 |
| AS197897 | PETKOM 5KOM OOD | 69 | 0 |
| AS203380 | DAInternationalGroup DA International Group Ltd. | 59 | 5 |
| AS31083 | Telepoint Telepoint Ltd | 62 | 0 |
| AS202015 | HZ-US-AS HZ Hosting Ltd | 53 | 8 |
| AS48917 | OPTINETYAMBOL Optinet Ltd | 60 | 0 |
| AS6802 | UNICOM-B-AS Bulgarian Research and Education Network Association (BREN) | 54 | 5 |
| AS12716 | A1BG_MB A1 Bulgaria EAD | 53 | 2 |
| AS25206 | UNACS-AS-BG Unacs Yuri Jordanov Ltd. | 52 | 0 |
| AS39246 | LIULINNET Optical Structural Network Ltd. | 50 | 0 |
| AS8860 | DELTA-BG-AS Delta HighTech Ltd. | 42 | 6 |
| AS12615 | GCN-AS Global Communication Net Plc | 47 | 1 |
Delegations by registry: RIPE 2,096. Updated 2026-10-05.