Refratechnik Cement GmbH
Data as of 2026-08-30
GLEIF verified
LEI
529900P887LAMDZQE261
Registered name
Refratechnik Cement GmbH
Jurisdiction
Ultimate parent
Refratechnik Holding GmbH
5299008ED5FJ2IF3HY27
Cluster stats
| Netblocks | 12 · 360 IPv4 addresses |
| IPv6 | 4 prefixes (largest 2003:5a:a03b::/48) |
| Cluster ID | 233676913 |
| Registry | RIPE |
| Owner jurisdiction | DE |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900P887LAMDZQE261 |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 5 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works · report an issue | |
Footprint over time
10 weekly snapshots · JSON
12
-1 netblocks since 2026-07-05
2026-07-05
peak 13
2026-08-30
IP Ranges (12)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 93.189.159.192/29 | Refratechnik Cement GmbH | RIPE | ASSIGNED PA | ● high |
| 193.28.50.0/24 | Refratechnik Cement GmbH | RIPE | ASSIGNED PI | ● high |
| 195.243.9.136/29 | Refratechnik Cement GmbH | RIPE | ASSIGNED PA | ● high |
| 217.6.69.160/27 | Refratechnik Cement GmbH | RIPE | ASSIGNED PA | ● high |
| 80.156.255.128/29 | REFRATECHNIK-CEMENT-KRAICHTAL-NET | RIPE | ASSIGNED PA | ● low |
| 87.190.55.144/28 | REFRATECHNIK-CEMENT-BENDORF-NET | RIPE | ASSIGNED PA | ● low |
| 87.190.58.112/28 | REFRATECHNIK-CEMENT-DUESSELDORF-NET | RIPE | ASSIGNED PA | ● low |
| 91.25.83.160/28 | REFRATECHNIK-CEMENT-MUENCHEN-NET | RIPE | ASSIGNED PA | ● low |
| 2003:5a:a03b::/48 | REFRATECHNIK-CEMENT-KRAICHTAL-NET | RIPE | ASSIGNED | ● low |
| 2003:df:1015::/48 | REFRATECHNIK-CEMENT-BENDORF-NET | RIPE | ASSIGNED | ● low |
| 2003:ec:902f::/48 | REFRATECHNIK-CEMENT-MUENCHEN-NET | RIPE | ASSIGNED | ● low |
| 2003:ee:d012::/48 | REFRATECHNIK-CEMENT-DUESSELDORF-NET | RIPE | ASSIGNED | ● low |
IPv6 ranges (4)
Network trust
what's this?
RPKI hygiene: B
how networks compare →
91.7%
of checked blocks have valid RPKI ROA coverage
(11 of 12)
Possible discrepancies (4)
These blocks are registered to Refratechnik Cement GmbH 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.
| 2003:df:1015::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:5a:a03b::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:ee:d012::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
| 2003:ec:902f::/48 /48 | authorized for AS3320 — Deutsche Telekom AG |
NIC Handles
DTAG-NIC
DUMY-RIPE
DUMY-RIPE
ORG-RCG4-RIPE
ORG-RCG5-RIPE
RIPE-NCC-END-MNT
TXX-MNT