CST GROUP LIMITED

CST Group Limited
Data as of 2026-07-26
GLEIF verified
Complete entity footprint
2 linked clusters · 23 netblocks · 10,600 IPv4 addresses · 2 IPv6 prefixes
This organisation's clusters combined by evidence — shared GLEIF corporate family — not name similarity, so genuinely different organisations that share a name are excluded.
View the full entity page →
LEI
2138006VAWTJT57PQ586
Registered name
CST GROUP LIMITED
Jurisdiction
HK
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks8 · 616 IPv4 addresses
IPv6 1 prefix (largest 2a12:fc0::/29)
Registered in United Kingdom (2) · Austria (1) · Italy (1) · Morocco (1) · Poland (1) · Sweden (1)
All fragments 199 blocks across 114 clusters
Cluster ID214498568
RegistryAFRINIC
Owner jurisdictionHK
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 2138006VAWTJT57PQ586
Shared handles clustered on 13 shared RIR contact/maintainer handles
Registry names 7 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
8 -71 netblocks since 2026-07-05
2026-07-05 peak 79 2026-07-26

IP Ranges (8)

⬇ export CSV
CIDR Org name Registry Status Confidence
212.217.39.192/26 CST AFRINIC ASSIGNED PA ● high
83.64.214.224/29 CST-GMBH RIPE ASSIGNED PA ● low
84.243.2.144/28 CST-SE RIPE ASSIGNED PA ● low
89.231.31.8/29 CST RIPE ASSIGNED PA ● low
212.46.57.0/24 CST Group Limited RIPE ALLOCATED PA ● low
212.74.24.0/24 CST-GROUP RIPE ASSIGNED PA ● low
217.222.228.216/29 CST--SRL RIPE ASSIGNED PA ● low
2a12:fc0::/29 CST Group Limited RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (1)

CIDR
2a12:fc0::/29

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: D how networks compare →
37.5% of checked blocks have valid RPKI ROA coverage (3 of 8)
Possible discrepancies (1)

These blocks are registered to CST Group Limited 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.

212.46.57.0/24 /24 authorized for AS8075 — Microsoft Corporation

NIC Handles

CSR6-AFRINIC CSR6-AFRINIC DUMY-RIPE DUMY-RIPE EASYNET-UK-MNT MULTIMEDIA-MNT OBDURO-MNT ONPT-MNT ORG-CGL22-RIPE PRIO-MNT RIPE-NCC-HM-MNT TIG-MNT +1 more