CSM Deutschland GmbH
BGP inherited
Cluster stats
Netblocks10
All fragments 83 blocks across 22 clusters
Cluster ID191878807
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 10 shared RIR contact/maintainer handles
Registry names 6 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
10 0 netblocks since 2026-07-05
2026-07-05 peak 10 2026-07-06

IP Ranges (10)

⬇ export CSV
CIDR Org name Registry Status Confidence
79.134.194.204/30 CSM-LAN RIPE ASSIGNED PA ● low
85.219.242.0/24 CSM-PL RIPE ASSIGNED PA ● low
87.129.165.104/29 CSM-DEUTSCHLAND-DELMENHORST-NET RIPE ASSIGNED PA ● low
89.174.177.0/24 CSM-PL RIPE ASSIGNED PA ● low
185.99.180.0/22 CSM Deutschland GmbH RIPE ALLOCATED PA ● low
194.99.128.0/20 CSM Deutschland GmbH RIPE ASSIGNED PI ● low
194.154.148.64/27 CSM-CY RIPE ASSIGNED PA ● low
217.239.141.64/29 CSM-DEUTSCHLAND-NEU-ULM-NET RIPE ASSIGNED PA ● low
2003:c0:853::/48 CSM-DEUTSCHLAND-NEU-ULM-NET RIPE ASSIGNED ● low
2003:cc:6015::/48 CSM-DEUTSCHLAND-DELMENHORST-NET RIPE ASSIGNED ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
70.0% of checked blocks have valid RPKI ROA coverage (7 of 10)
Possible discrepancies (4)

These blocks are registered to CSM Deutschland GmbH but cryptographically authorized for a different, unrelated network (2 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2003:cc:6015::/48 /48 authorized for AS3320 — Deutsche Telekom AG
2003:c0:853::/48 /48 authorized for AS3320 — Deutsche Telekom AG
85.219.242.0/24 /24 authorized for AS5588 — T-Mobile Czech Republic a.s.
89.174.177.0/24 /24 authorized for AS5588 — T-Mobile Czech Republic a.s.

NIC Handles

AS5425-MNT AS8246-MNT CSM-MNT DTAG-NIC DUMY-RIPE DUMY-RIPE OBIT-MNT ORG-CDG5-RIPE RIPE-NCC-END-MNT RIPE-NCC-HM-MNT