Dennemeyer TechSys S.A.
BGP inherited
Cluster stats
Netblocks11
Cluster ID191762945
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 12 shared RIR contact/maintainer handles
Registry names 5 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

Footprint over time

2 weekly snapshots · JSON
11 0 netblocks since 2026-07-05
2026-07-05 peak 11 2026-07-06

IP Ranges (11)

⬇ export CSV
CIDR Org name Registry Status Confidence
91.225.2.0/24 Dennemeyer TechSys S.A. BGP ANNOUNCED ● high
91.225.2.0/24 Dennemeyer TechSys S.A. RIPE ALLOCATED PA ● low
146.0.178.96/28 DENNEMEYER-LU RIPE ASSIGNED PA ● low
195.29.206.180/30 Dennemeyer_Croatia RIPE ASSIGNED PA ● low
195.46.224.208/29 DENNEMEYER-LU RIPE ASSIGNED PA ● low
195.46.228.176/28 DENNEMEYER-LU RIPE ASSIGNED PA ● low
212.169.30.168/29 DENNEMEYER-AND-CO-LTD RIPE ASSIGNED PA ● low
2001:7e8:8381::/56 DENNEMEYER-LU RIPE ASSIGNED ● low
2001:7e8:8381:100::/56 DENNEMEYER-LU RIPE ASSIGNED ● low
2001:7e8:8381:200::/56 DENNEMEYER-LU RIPE ASSIGNED ● low
2a10:8a80::/29 Dennemeyer TechSys S.A. RIPE ALLOCATED-BY-RIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
72.7% of checked blocks have valid RPKI ROA coverage (8 of 11)
Possible discrepancies (3)

These blocks are registered to Dennemeyer TechSys S.A. 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.

2001:7e8:8381:100::/56 /56 authorized for AS6661 — POST Luxembourg
2001:7e8:8381::/56 /56 authorized for AS6661 — POST Luxembourg
2001:7e8:8381:200::/56 /56 authorized for AS6661 — POST Luxembourg

NIC Handles

AR70073-RIPE AS212218 AS6661-MNT AS8426-MNT DUMY-RIPE DUMY-RIPE HPT-MNT ORG-DTS28-RIPE RIPE-NCC-HM-MNT lir-lu-dennemeyertechsys-1-MNT lu-dennemeyer-1-MNT lu-dennemeyer-1-MNT