Technical University of Sofia
Cluster stats
| Netblocks | 18 |
| All fragments | 95 blocks across 11 clusters |
| Cluster ID | 191760354 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
2 weekly snapshots · JSON
18
0 netblocks since 2026-07-05
2026-07-05
peak 18
2026-07-06
IP Ranges (18)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 81.161.240.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.240.0/20 | Technical University of Sofia | RIPE | ASSIGNED PI | ● high |
| 81.161.240.0/20 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.241.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.242.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.243.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.244.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.245.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.246.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.247.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.248.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.249.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.250.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.251.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.252.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.253.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.254.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
| 81.161.255.0/24 | Technical University of Sofia | BGP | ANNOUNCED | ● high |
NIC Handles
AS28949
DUMY-RIPE
DUMY-RIPE
ORG-TUOS2-RIPE
RIPE-NCC-END-MNT
TUSOFIA-MNT
TUSOFIA-MNT