C.S.T.
"C.S.T". Ltd.
GLEIF verified
LEI
969500VW8Q7Q56AAYK55
Registered name
C.S.T.
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 20 |
| Cluster ID | 191597833 |
| Registry | BGP |
| Owner jurisdiction | FR |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 969500VW8Q7Q56AAYK55 |
| Shared handles | clustered on 9 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
20
0 netblocks since 2026-07-05
2026-07-05
peak 20
2026-07-06
IP Ranges (20)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 31.24.87.0/24 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 80.87.144.0/20 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 91.195.16.0/23 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 91.197.160.0/22 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 185.18.90.0/24 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 185.35.116.0/22 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 185.124.64.0/24 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 2a00:db20::/32 | "C.S.T". Ltd. | BGP | ANNOUNCED | ● high |
| 80.87.144.0/21 | "C.S.T". Ltd. | RIPE | ASSIGNED PA | ● medium |
| 80.87.144.0/20 | "C.S.T". Ltd. | RIPE | ALLOCATED PA | ● medium |
| 80.87.152.0/21 | "C.S.T". Ltd. | RIPE | ASSIGNED PA | ● medium |
| 91.195.16.0/23 | "C.S.T". Ltd. | RIPE | ASSIGNED PI | ● medium |
| 91.197.160.0/22 | "C.S.T". Ltd. | RIPE | ASSIGNED PI | ● medium |
| 185.35.116.0/22 | "C.S.T". Ltd. | RIPE | ALLOCATED PA | ● medium |
| 185.35.116.0/23 | "C.S.T". Ltd. | RIPE | ASSIGNED PA | ● medium |
| 185.35.118.0/23 | "C.S.T". Ltd. | RIPE | ASSIGNED PA | ● medium |
| 2a00:db20::/32 | "C.S.T". Ltd. | RIPE | ALLOCATED-BY-RIR | ● medium |
| 185.18.88.0 – 185.18.90.255 | "C.S.T". Ltd. | RIPE | ALLOCATED PA | ● low |
| 185.75.180.0/22 | "C.S.T". Ltd. | RIPE | ALLOCATED PA | ● low |
| 185.186.192.0/22 | "C.S.T". Ltd. | RIPE | ALLOCATED PA | ● low |
Network trust
what's this?
RPKI hygiene: B
how networks compare →
85.0%
of checked blocks have valid RPKI ROA coverage
(17 of 20)
Possible discrepancies (2)
These blocks are registered to "C.S.T". Ltd. 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.
| 31.24.87.0/24 /24 | authorized for AS57456 — Intek-Mytischi LLC |
| 185.124.64.0/24 /24 | authorized for AS57456 — Intek-Mytischi LLC |
NIC Handles
AS62429
CSTNET-MNT
CSTNET-MNT
DUMY-RIPE
DUMY-RIPE
NA-MNT
ORG-ONTL1-RIPE
RIPE-NCC-END-MNT
RIPE-NCC-HM-MNT