SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks15 · 2,336 IPv4 addresses
IPv6 1 prefix (largest 2a0e:dd80::/29)
Registered in France (11) · United Kingdom (4)
All fragments 71 blocks across 4 clusters
Cluster ID214424721
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 8 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
16 0 netblocks since 2026-07-05
2026-07-05 peak 16 2026-07-26

IP Ranges (15)

⬇ export CSV
CIDR Org name Registry Status Confidence
45.86.100.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
45.86.100.0/22 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
45.86.100.0/23 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
45.86.101.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
45.86.102.0/23 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
45.86.102.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
45.86.103.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
193.56.233.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
193.56.237.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
193.240.3.32/27 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
193.240.114.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
193.240.221.0/25 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
193.240.254.0/25 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
194.146.51.0/24 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS BGP ANNOUNCED ● high
2a0e:dd80::/29 SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (1)

Network trust

what's this?
RPKI hygiene: F how networks compare →
12.5% of checked blocks have valid RPKI ROA coverage (2 of 16)
Possible discrepancies (2)

These blocks are registered to SOPRA STERIA INFRASTRUCTURE & SECURITY SERVICES SAS 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.

193.56.233.0/24 /24 authorized for AS198949 — Radware Ltd
193.56.237.0/24 /24 authorized for AS198949 — Radware Ltd

NIC Handles

AS208746 DUMY-RIPE DUMY-RIPE MNT-LYONIX ORG-SSIS10-RIPE RIPE-NCC-HM-MNT mnt-fr-soprasteria-i2s-1 mnt-fr-soprasteria-i2s-1