Sopra Steria AG
SOPRA STERIA AS
LEI
50670036V34Q91C71E72
Registered name
Sopra Steria AG
Jurisdiction
CH
Ultimate parent
SOPRA-GMT
969500ROU8CGPW7I5967
Cluster stats
Netblocks40
All fragments 71 blocks across 4 clusters
Cluster ID191598107
RegistryBGP
Owner jurisdictionCH
Customersfind customers using this network →
Evidence & provenance ?
Attribution unresolved
Legal identityLEI 50670036V34Q91C71E72
Shared handles clustered on 33 shared RIR contact/maintainer handles
Registry names 15 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works

IP Ranges (40)

⬇ export CSV
CIDR Org name Registry Status Confidence
91.198.201.0/24 SOPRA STERIA AS BGP ANNOUNCED ● high
185.48.152.0/22 SOPRA STERIA AS BGP ANNOUNCED ● high
185.52.40.0/22 SOPRA STERIA AS BGP ANNOUNCED ● high
185.156.56.0/23 Sopra Steria Belgium SA BGP ANNOUNCED ● high
185.156.58.0/23 Sopra Steria Belgium SA BGP ANNOUNCED ● high
185.191.24.0/22 SOPRA STERIA AS BGP ANNOUNCED ● high
193.26.246.0 – 193.26.255.255 Sopra Steria SE RIPE ASSIGNED PI ● high
194.60.75.0/24 SOPRA STERIA AS BGP ANNOUNCED ● high
195.88.106.0/23 SOPRA STERIA AS BGP ANNOUNCED ● high
2001:67c:598::/48 SOPRA STERIA AS BGP ANNOUNCED ● high
2001:67c:230c::/48 Sopra Steria AB RIPE ASSIGNED PI ● high
2a00:75e0::/32 SOPRA STERIA AS BGP ANNOUNCED ● high
2a0a:1ac0::/29 SOPRA STERIA AS BGP ANNOUNCED ● high
62.50.130.176/28 SOPRA-STERIA-GTT RIPE ASSIGNED PA ● low
89.187.119.16/30 SOPRA_STERIA RIPE ASSIGNED PA ● low
91.132.108.0/22 SOPRA STERIA GROUP SA RIPE ALLOCATED PA ● low
91.198.201.0/24 SOPRA STERIA AS RIPE ASSIGNED PI ● low
91.213.66.0/24 SOPRA STERIA AS RIPE ASSIGNED PI ● low
154.14.0.112/29 SOPRA-STERIA-GTT RIPE LEGACY ● low
185.48.152.0/22 SOPRA STERIA AS RIPE ALLOCATED PA ● low
185.52.40.0/22 SOPRA STERIA AS RIPE ALLOCATED PA ● low
185.85.172.0/22 SOPRA STERIA GROUP SA RIPE ALLOCATED PA ● low
185.156.56.0/22 Sopra Steria Belgium SA RIPE ALLOCATED PA ● low
185.221.186.0/24 Sopra-Steria RIPE ASSIGNED PA ● low
194.146.51.0/24 SOPRA STERIA GROUP SA RIPE ASSIGNED PI ● low
195.54.131.64/28 SOPRA-STERIA-NET RIPE ASSIGNED PA ● low
195.81.235.64/28 SOPRA-STERIA-GTT RIPE ASSIGNED PA ● low
195.88.106.0/23 SOPRA STERIA AS RIPE ASSIGNED PI ● low
212.81.84.24/29 SOPRA-STERIA-IR-GTT RIPE ASSIGNED PA ● low
212.115.153.32/29 SOPRA-STERIA-GTT RIPE ASSIGNED PA ● low
212.221.44.176/29 SOPRA-STERIA-GTT RIPE ASSIGNED PA ● low
212.221.52.112/29 SOPRA-STERIA-WEB-GTT RIPE ASSIGNED PA ● low
212.221.53.0/29 SOPRA-STERIA-WEB-GTT RIPE ASSIGNED PA ● low
2001:6f0:4042::/48 SOPRA-STERIA-NET RIPE ASSIGNED ● low
2001:4d78:104:5e::/64 SOPRA_STERIA RIPE ASSIGNED ● low
2a00:2381:1156::/48 SOPRA-STERIA RIPE AGGREGATED-BY-LIR ● low
2a00:2381:22f5::/48 SOPRA-STERIA RIPE AGGREGATED-BY-LIR ● low
2a00:75e0::/32 SOPRA STERIA AS RIPE ALLOCATED-BY-RIR ● low
2a00:eb00::/32 Sopra Steria Nederland B.V. RIPE ALLOCATED-BY-RIR ● low
2a04:a470::/31 SOPRA STERIA AS RIPE ALLOCATED-BY-RIR ● low

Corporate group (3 entities) ~

top 1 shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: D how networks compare →
40.0% of checked blocks have valid RPKI ROA coverage (16 of 40)
Possible discrepancies (4)

These blocks are registered to SOPRA STERIA AS but cryptographically authorized for a different, unrelated network (3 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:6f0:4042::/48 /48 authorized for AS1257 — Tele2 Sverige AB
2a00:2381:1156::/48 /48 authorized for AS2856 — British Telecommunications PLC
2a00:2381:22f5::/48 /48 authorized for AS2856 — British Telecommunications PLC
185.221.186.0/24 /24 authorized for AS50309 — Arcadiz Telecom NV

NIC Handles

ARCADIZ-MNT AS202598 AS206897 AS2116-MNT AS2116-MNT AS286-MNT AS3257-IPAM-MNT BTNET-MNT DE-COLT-MNT DUMY-RIPE DUMY-RIPE EQUINIX-FULFIL-MNT +21 more