NET-CH-BERLITZ
BGP inherited
Cluster stats
| Netblocks | 8 |
| All fragments | 9 blocks across 2 clusters |
| Cluster ID | 208907465 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 3 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
8
0 netblocks since 2026-07-05
2026-07-05
peak 8
2026-07-19
IP Ranges (8)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 212.23.242.64/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 212.203.101.56/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 212.203.104.248/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 212.203.112.40/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 213.173.165.104/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 213.173.165.112/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 213.173.179.64/28 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
| 213.173.180.104/29 | NET-CH-BERLITZ | RIPE | ASSIGNED PA | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “NET CH BERLITZ” — often
per-country or per-system registrations of the same brand, occasionally a different
organisation sharing the name. Not counted in this organisation's own footprint.
- NET-CH-BERLITZ-SCHOOLS-OF-LANGUAGES 1 blocks
Sub-allocations under carriers
IP blocks an ISP reassigned to a similarly-named customer — decoded from the ISP's own
naming convention, not a direct registration.
- Berlitz sub-allocation
- BERLITZ-TS sub-allocation
- BERLITZSCHOOLSOFLANGUAGES via O2 Czech Republic, a.s. sub-allocation
- BERLITZ3 via T-Mobile Czech Republic a.s. sub-allocation
- BERLITZ4 via T-Mobile Czech Republic a.s. sub-allocation
- Berlitz via COLT Technology Services Group Limited sub-allocation
- Berlitz Schools Of Languages via COLT Technology Services Group Limited sub-allocation
- BERLITZ-SLOVENIJA via Telekom Slovenije, d.d. sub-allocation
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
No discrepancies found among checked blocks.
NIC Handles
COLT-CH-MNT
DUMY-RIPE
DUMY-RIPE