Alef Nula a.s.
CZ-ALEF
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 1 · 1,024 IPv4 addresses |
| All fragments | 2 blocks across 2 clusters |
| Cluster ID | 230364238 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 5 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
IP Ranges (1)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 193.239.0.0/22 | CZ-ALEF | RIPE | ASSIGNED PI | ● medium |
Domains hosted in this network
what's this?NIC Handles
ALEFCZ-MNT
DUMY-RIPE
DUMY-RIPE
ORG-ANa3-RIPE
RIPE-NCC-END-MNT