Atos IT Services GmbH
Cluster stats
Netblocks10
All fragments 64 blocks across 3 clusters
Cluster ID191879053
RegistryRIPE
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 3 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
91.207.162.0/23 Atos IT Services GmbH RIPE ASSIGNED PI ● high
193.26.126.0/24 Atos IT Services GmbH RIPE ASSIGNED PI ● high
193.138.113.0/24 Atos IT Services GmbH RIPE ASSIGNED PI ● high
194.55.108.0/22 Atos IT Services GmbH RIPE ASSIGNED PI ● high
81.128.170.16/28 ATOS-IT-SERVICES RIPE ASSIGNED PA ● low
213.241.124.100/30 Atos-IT-Services RIPE ASSIGNED PA ● low
2a00:2381:1dc::/48 ATOS-IT-SERVICES RIPE AGGREGATED-BY-LIR ● low
2a00:2381:fdf::/48 ATOS-IT-SERVICES RIPE AGGREGATED-BY-LIR ● low
2a00:2381:fdf::/56 ATOS-IT-SERVICES RIPE ASSIGNED ● low
2a00:2381:fb20::/48 ATOS-IT-SERVICES RIPE AGGREGATED-BY-LIR ● low

Network trust

what's this?
RPKI hygiene: C how networks compare →
60.0% of checked blocks have valid RPKI ROA coverage (6 of 10)
Possible discrepancies (4)

These blocks are registered to Atos IT Services 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.

2a00:2381:1dc::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:fb20::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:fdf::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:fdf::/56 /56 authorized for AS2856 — British Telecommunications PLC

NIC Handles

BTNET-MNT DTAG-NIC DUMY-RIPE DUMY-RIPE NETIA-MNT ORG-XISG1-RIPE RIPE-NCC-END-MNT SDS-BS-MNT