SIEVERS-SNC Beteiligungs GmbH
BGP inherited
Cluster stats
| Netblocks | 9 |
| All fragments | 22 blocks across 4 clusters |
| Cluster ID | 204733429 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 7 shared RIR contact/maintainer handles |
| Registry names | 2 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
9
0 netblocks since 2026-07-05
2026-07-05
peak 9
2026-07-13
IP Ranges (9)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 45.129.148.0/24 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 45.129.150.0/24 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 45.129.151.0/24 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 2a0e:4c41::/32 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 2a0e:4c47:421::/48 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 2a0e:4c47:4210::/48 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 2a0e:4c47:ffff::/48 | SIEVERS-SNC Beteiligungs GmbH | BGP | ANNOUNCED | ● high |
| 45.129.148.0/22 | SIEVERS-SNC Beteiligungs GmbH | RIPE | ALLOCATED PA | ● low |
| 2a0e:4c40::/29 | SIEVERS-SNC Beteiligungs GmbH | RIPE | ALLOCATED-BY-RIR | ● low |
Possibly related to this organisation
what's this?Same name family
Separately-registered clusters whose names share “SIEVERS SNC” — 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.
- SIEVERS-SNC 9 blocks
- SIEVERS-SNC-COMPUTER-UND-SOFTWARE-KAARST-NET 2 blocks
- SIEVERS-SNC-COMPUTER-SOFTWARE-GMBH-CO-KG 2 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.
- Sievers via PFALZKOM GmbH sub-allocation
- RUDOLFSIEVERSGMBHNET-1 via EWE TEL GmbH sub-allocation
- SOERENSIEVERSZIMMEREIGMBHCOKGNET via EWE TEL GmbH sub-allocation
- DREEKAMP-APOTHEKE_INH_JOERN_SIEVERS_EK-NET via EWE TEL GmbH sub-allocation
- RUDOLFSIEVERSGMBHNET via EWE TEL GmbH sub-allocation
- DIE_MOOR-APOTHEKE_INHABER_JOERN_SIEVERS_EK-NET via EWE TEL GmbH sub-allocation
Network trust
what's this?
RPKI hygiene: C
how networks compare →
77.8%
of checked blocks have valid RPKI ROA coverage
(7 of 9)
No discrepancies found among checked blocks.
NIC Handles
AS57137
DUMY-RIPE
DUMY-RIPE
ORG-UWTA1-RIPE
RIPE-NCC-HM-MNT
mnt-de-sievers-snc-1
mnt-de-sievers-snc-1