Stepping Stone B.V.

stepping stone AG
Data as of 2026-07-26
GLEIF verified
LEI
724500IYNPQU0IMO5043
Registered name
Stepping Stone B.V.
Jurisdiction
NL
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks18 · 5,897 IPv4 addresses
IPv6 3 prefixes (largest 2a05:ac40::/29)
Registered in Switzerland (14) · MM (3) · United Kingdom (1)
Cluster ID213366725
RegistryAPNIC
Owner jurisdictionNL
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 724500IYNPQU0IMO5043
Shared handles clustered on 18 shared RIR contact/maintainer handles
Registry names 11 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
21 0 netblocks since 2026-07-05
2026-07-05 peak 21 2026-07-26

IP Ranges (18)

⬇ export CSV
CIDR Org name Registry Status Confidence
31.216.40.0/21 stepping stone AG BGP ANNOUNCED ● high
31.216.43.0/24 stepping stone AG BGP ANNOUNCED ● high
91.206.52.31/32 stepping stone AG PEERINGDB ASSIGNED ● high
103.94.144.0/22 Stepping Stone Co.,Ltd APNIC ASSIGNED PORTABLE ● high
103.94.144.0/24 Stepping Stone Co.,Ltd BGP ANNOUNCED ● high
185.85.124.0/22 stepping stone AG BGP ANNOUNCED ● high
185.235.188.0/24 stepping stone AG BGP ANNOUNCED ● high
185.235.189.0/24 stepping stone AG BGP ANNOUNCED ● high
194.176.109.0/24 stepping stone AG BGP ANNOUNCED ● high
203.109.48.0/22 Stepping Stone Co.,Ltd APNIC ASSIGNED PORTABLE ● high
2001:df0:6cc0::/48 Stepping Stone Co.,Ltd APNIC ASSIGNED PORTABLE ● high
31.216.40.0/23 STEPPING-STONE-NET-01 RIPE ASSIGNED PA ● low
31.216.42.0/24 STEPPING-STONE-OS-TEST-PUB RIPE ASSIGNED PA ● low
87.75.128.0/29 Stepping_Stone_Project_579330 RIPE ASSIGNED PA ● low
185.85.124.0/23 STEPPING-STONE-OS-PUB1 RIPE ASSIGNED PA ● low
185.85.126.0/23 STEPPING-STONE-OS-PUB2 RIPE ASSIGNED PA ● low
2a00:2381:190e::/48 STEPPING-STONE RIPE AGGREGATED-BY-LIR ● low
2a05:ac40::/29 stepping stone AG RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (3)

CIDR
2a05:ac40::/29
2001:df0:6cc0::/48
2a00:2381:190e::/48

Domains hosted in this network

what's this?
hpswetzikon.ch sekbuelach.ch

Network trust

what's this?
RPKI hygiene: C how networks compare →
66.7% of checked blocks have valid RPKI ROA coverage (14 of 21)
Possible discrepancies (1)

These blocks are registered to stepping stone AG 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.

2a00:2381:190e::/48 /48 authorized for AS2856 — British Telecommunications Limited

NIC Handles

APNIC-HM AS133440 AS2641-AP AS48461 AS48461 BDDSL-MNT BTNET-MNT DUMY-RIPE DUMY-RIPE ORG-SSC2-AP ORG-ssG18-RIPE RIPE-NCC-END-MNT +6 more