Gymnazium Cheb
Data as of 2026-07-26
BGP inherited
Cluster stats
| Netblocks | 4 · 260 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2001:718:2a01::/48) |
| Cluster ID | 214688375 |
| Registry | RIPE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 4 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
3 weekly snapshots · JSON
7
0 netblocks since 2026-07-05
2026-07-05
peak 7
2026-07-12
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 195.113.181.44/30 | Gymnazium Cheb | RIPE | ASSIGNED PA | ● high |
| 195.113.182.0/24 | Gymnazium Cheb | RIPE | ASSIGNED PA | ● high |
| 2001:718:2a00:1::/64 | Gymnazium Cheb | RIPE | ASSIGNED | ● high |
| 2001:718:2a01::/48 | Gymnazium Cheb | RIPE | ASSIGNED | ● high |
IPv6 ranges (2)
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (2)
These blocks are registered to Gymnazium Cheb but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:718:2a01::/48 /48 | authorized for AS2852 — CESNET z.s.p.o. |
| 195.113.182.0/24 /24 | authorized for AS2852 — CESNET z.s.p.o. |
NIC Handles
DUMY-RIPE
DUMY-RIPE
ORG-GC34-RIPE
TENCZ-MNT