CST HOLDING (HK) LIMITED

CST Group Limited
Data as of 2026-08-16
GLEIF verified
Complete entity footprint
2 linked clusters · 90 netblocks · 10,908 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 HOLDING (HK) LIMITED
Jurisdiction
KY
Ultimate parent
No parent on file in GLEIF
Cluster stats
Netblocks75 · 924 IPv4 addresses
IPv6 1 prefix (largest 2a12:fc0::/29)
Registered in Germany (59) · Italy (8) · United Kingdom (2) · Poland (1) · Austria (1) · Sweden (1)
All fragments 203 blocks across 106 clusters
Cluster ID222435721
RegistryAFRINIC
Owner jurisdictionKY
Customersfind customers using this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 2138006VAWTJT57PQ586
Shared handles clustered on 18 shared RIR contact/maintainer handles
Registry names 17 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

8 weekly snapshots · JSON
75 -4 netblocks since 2026-07-05
2026-07-05 peak 79 2026-08-16

IP Ranges (75)

showing 50 of 75 — see all — ⬇ export CSV
CIDR Org name Registry Status Confidence
212.217.39.192/26 CST AFRINIC ASSIGNED PA ● high
77.70.176.32/29 CST-SITE01 RIPE ASSIGNED PA ● low
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
95.131.98.112/29 CST-NET2 RIPE ASSIGNED PA ● low
159.253.97.4/30 CST-SBS RIPE ASSIGNED PA ● low
159.253.97.88/29 CST-FAR RIPE ASSIGNED PA ● low
159.253.97.152/30 CST-TAA RIPE ASSIGNED PA ● low
159.253.97.168/29 CST-SIC RIPE ASSIGNED PA ● low
159.253.97.200/29 CST-SIC RIPE ASSIGNED PA ● low
185.31.5.0/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.4/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.8/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.12/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.16/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.20/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.24/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.28/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.32/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.36/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.40/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.44/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.48/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.52/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.56/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.60/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.64/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.68/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.72/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.76/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.80/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.84/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.88/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.96/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.104/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.108/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.116/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.120/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.124/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.128/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.132/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.136/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.140/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.144/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.148/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.156/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.164/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.168/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low
185.31.5.172/30 CST_VPN_SF_RA RIPE ASSIGNED PA ● low

IPv6 ranges (1)

CIDR
2a12:fc0::/29

Corporate group (2 confirmed entities)

Network trust

what's this?
RPKI hygiene: F how networks compare →
17.3% of checked blocks have valid RPKI ROA coverage (13 of 75)
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

AS8224-MNT CSR6-AFRINIC CSR6-AFRINIC DUMY-RIPE DUMY-RIPE EASYNET-UK-MNT INTERCOM-NOC MEDIANET-MNT MULTIMEDIA-MNT Marlink-MNT OBDURO-MNT ONPT-MNT +6 more