KLFree.net, o.s.
BGP inherited
Cluster stats
| Netblocks | 8 · 2,808 IPv4 addresses |
| Cluster ID | 209220652 |
| 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 | |
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 |
|---|---|---|---|---|
| 81.201.48.0/26 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 81.201.49.0/26 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 81.201.49.128/25 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 81.201.50.0/25 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 81.201.50.128/25 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 81.201.51.0/24 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 81.201.52.0/22 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
| 212.79.100.0/22 | KLFree.net, o.s. | RIPE | ASSIGNED PA | ● high |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(8 of 8)
Possible discrepancies (3)
These blocks are registered to KLFree.net, o.s. 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.
| 81.201.52.0/22 /22 | authorized for AS8251 — FreeTel, s.r.o. |
| 212.79.100.0/22 /22 | authorized for AS8251 — FreeTel, s.r.o. |
| 81.201.51.0/24 /24 | authorized for AS8251 — FreeTel, s.r.o. |
NIC Handles
CZNFX-MNT
DUMY-RIPE
DUMY-RIPE
KLFREE-MNT
ORG-KLF1-RIPE