| 194.141.0.0/16 | Bulgarian Research and Education Network Association (BREN) |  |
| 194.141.32.0/22 | Sofia | |
| 194.141.66.0/24 | Veliko Tarnovo University "St. St. Cyril and Methodius" | |
| 194.141.79.0/24 | Varna | |
| 194.141.0.0/24 | Sofia | |
| 194.141.1.0/24 | Sofia | |
| 194.141.2.0/24 | Civil Engineering Higher School - Bulgaria | |
| 194.141.3.0/24 | City University - Bulgaria | |
| 194.141.8.0/24 | Sofia | |
| 194.141.9.0/24 | Sofia | |
| 194.141.12.0/24 | Medical University Sofia | |
| 194.141.15.0/24 | Gabrovo | |
| 194.141.22.0/24 | Varna | |
| 194.141.24.0/21 | Varna | |
| 194.141.37.0/24 | Plovdiv | |
| 194.141.38.0/23 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.40.0/24 | Plovdiv | |
| 194.141.41.0/24 | Plovdiv | |
| 194.141.43.0/24 | Medical University Sofia | |
| 194.141.44.0/23 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.47.0/24 | Konstantin Preslavski | |
| 194.141.51.0/24 | Shumen | |
| 194.141.52.0/22 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.56.0/23 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.64.0/23 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.67.0/24 | Pleven | |
| 194.141.68.0/24 | Pleven | |
| 194.141.69.0/24 | Pleven | |
| 194.141.78.0/24 | Varna | |
| 194.141.84.0/24 | Dolna Mitropolia | |
| 194.141.86.0/24 | Blagoevgrad | |
| 194.141.104.0/21 | Sofia | |
| 194.141.112.0/24 | Sofia | |
| 194.141.113.0/24 | Sofia | |
| 194.141.116.0/22 | Sofia | |
| 194.141.116.0/23 | Sofia | |
| 194.141.118.0/24 | Sofia | |
| 194.141.119.0/24 | Sofia | |
| 194.141.221.0/24 | Sofia | |
| 194.141.225.0/24 | Sofia | |
| 194.141.226.0/24 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.227.0/24 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.228.0/22 | Bulgarian Research and Education Network Association (BREN) | |
| 194.141.232.0/21 | Plovdiv | |