| ASN | Name | Organisation | Registry |
|---|---|---|---|
| AS39024 | nastech | Ripe | |
| AS20144 | IMRS | Arin | |
| AS57705 | LIFOET-AS | Ripe | |
| AS41339 | CC-AS | Ripe | |
| AS47374 | LANULTRA | Ripe | |
| AS21249 | RUTIL-BG-AS | Ripe | |
| AS41280 | BG-SKYNET | Ripe | |
| AS56642 | BG-TVNET2 | Ripe | |
| AS41946 | LageraOnline-AS | Ripe | |
| AS47745 | Interlan | Ripe | |
| AS47697 | BIX-BG-E | Ripe | |
| AS47872 | SOFIA-CONNECT-AS | Ripe | |
| AS29694 | VILLAGENET | Ripe | |
| AS210154 | BG-GIGALAN-EM | Ripe | |
| AS199048 | KRAKRA-AS | Ripe |