CSL LIMITED

CSL Limited
Data as of 2026-09-20
GLEIF verified
Complete entity footprint
2 linked clusters · 172 netblocks · 57,198 IPv4 addresses · 31 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
529900ECSECK5ZDQTE14
Registered name
CSL LIMITED
Jurisdiction
AU
Ultimate parent
No parent on file in GLEIF
This organisation
Netblocks168 · 56,170 IPv4 addresses
IPv6 31 prefixes (largest 2a09:540::/29)
Registered in Hong Kong (85) · United Kingdom (31) · Thailand (14) · Australia (8) · Italy (4) · Poland (2)
Also registered under this name 437 netblocks across 141 separate records
Record ID241008620
RegistryAPNIC
Owner jurisdictionAU
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution GLEIF legal-entity match
Legal identityLEI 529900ECSECK5ZDQTE14
Shared handles clustered on 63 shared RIR contact/maintainer handles
Registry names 15 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (168)

⬇ export CSV
CIDR Org name Registry Status Confidence
14.0.128.0/17 CSL Limited BGP ANNOUNCED ● high
14.0.128.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.129.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.130.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.131.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.132.0/22 CSL Limited BGP ANNOUNCED ● high
14.0.136.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.136.0/22 CSL Limited BGP ANNOUNCED ● high
14.0.140.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.141.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.142.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.143.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.144.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.145.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.146.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.152.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.160.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.166.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.167.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.168.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.176.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.182.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.183.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.192.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.193.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.194.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.195.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.196.0/22 CSL Limited BGP ANNOUNCED ● high
14.0.200.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.201.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.202.0/23 CSL Limited BGP ANNOUNCED ● high
14.0.204.0/23 CSL Limited BGP ANNOUNCED ● high
14.0.206.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.207.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.208.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.215.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.216.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.223.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.224.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.226.0/24 CSL Limited BGP ANNOUNCED ● high
14.0.232.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.240.0/21 CSL Limited BGP ANNOUNCED ● high
14.0.247.0/24 CSL Limited BGP ANNOUNCED ● high
27.254.196.24/32 CSL IDC PEERINGDB ASSIGNED ● high
46.226.72.0/21 CSL (DualCom) Limited BGP ANNOUNCED ● high
46.226.73.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
46.226.74.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
63.216.59.0/24 CSL Limited BGP ANNOUNCED ● high
63.216.61.0/24 CSL Limited BGP ANNOUNCED ● high
63.216.62.0/24 CSL Limited BGP ANNOUNCED ● high
103.17.29.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.0.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.0.0/19 CSL Limited BGP ANNOUNCED ● high
110.4.1.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.2.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.4.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.8.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.9.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.11.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.13.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.14.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.15.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.16.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.17.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.18.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.19.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.20.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.21.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.22.0/24 CSL Limited BGP ANNOUNCED ● high
110.4.25.0/24 CSL Limited BGP ANNOUNCED ● high
117.239.75.0/29 CSL APNIC ASSIGNED NON-PORTABLE ● high
123.255.90.149/32 CSL Limited PEERINGDB ASSIGNED ● high
123.255.91.182/32 CSL Limited PEERINGDB ASSIGNED ● high
123.255.91.244/32 CSL Limited PEERINGDB ASSIGNED ● high
139.28.100.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
139.28.100.0/22 CSL (DualCom) Limited BGP ANNOUNCED ● high
139.28.101.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
139.28.103.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.176.124.0/22 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.176.124.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.180.172.0/23 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.180.172.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.180.173.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.180.174.0/23 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.180.174.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.180.175.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.201.164.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.201.164.0/22 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.201.165.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.201.166.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.201.166.0/23 CSL (DualCom) Limited BGP ANNOUNCED ● high
185.201.167.0/24 CSL (DualCom) Limited BGP ANNOUNCED ● high
202.6.94.0/24 CSL Limited APNIC ASSIGNED PORTABLE ● high
202.164.27.0/24 CSL Limited BGP ANNOUNCED ● high
202.168.9.48/29 CSL APNIC ASSIGNED NON-PORTABLE ● high
203.10.36.0/24 CSL Limited BGP ANNOUNCED ● high
203.10.36.0/23 CSL Limited BGP ANNOUNCED ● high
203.10.37.0/24 CSL Limited BGP ANNOUNCED ● high
203.10.38.0/23 CSL Limited BGP ANNOUNCED ● high
203.10.38.0/24 CSL Limited BGP ANNOUNCED ● high
203.10.39.0/24 CSL Limited BGP ANNOUNCED ● high
203.29.222.0/24 CSL Limited APNIC ASSIGNED PORTABLE ● high
203.210.0.0/20 CSL Limited BGP ANNOUNCED ● high
203.210.2.0/24 CSL Limited BGP ANNOUNCED ● high
203.210.3.0/24 CSL Limited BGP ANNOUNCED ● high
203.210.4.0/24 CSL Limited BGP ANNOUNCED ● high
203.210.6.0/24 CSL Limited BGP ANNOUNCED ● high
203.210.7.0/24 CSL Limited BGP ANNOUNCED ● high
203.210.8.0/24 CSL Limited BGP ANNOUNCED ● high
2001:200:13f::/48 CSL-NET6 APNIC ASSIGNED NON-PORTABLE ● high
2001:7fa:0:1::ca28:a095/128 CSL Limited PEERINGDB ASSIGNED ● high
2001:7fa:0:1::ca28:a1b6/128 CSL Limited PEERINGDB ASSIGNED ● high
2001:7fa:0:1::ca28:a1f4/128 CSL Limited PEERINGDB ASSIGNED ● high
2001:df6:d000::/48 CSL Limited APNIC ASSIGNED PORTABLE ● high
2403:1000::/32 CSL Limited BGP ANNOUNCED ● high
2403:1000:1000::/36 CSL Limited BGP ANNOUNCED ● high
2403:1000:1100::/40 CSL Limited BGP ANNOUNCED ● high
2403:1000:1200::/40 CSL Limited BGP ANNOUNCED ● high
2403:1000:1300::/40 CSL Limited BGP ANNOUNCED ● high
2403:1000:3000::/36 CSL Limited BGP ANNOUNCED ● high
2403:1000:3100::/40 CSL Limited BGP ANNOUNCED ● high
2403:1000:4000::/36 CSL Limited BGP ANNOUNCED ● high
2403:1000:4100::/40 CSL Limited BGP ANNOUNCED ● high
2403:1000:5000::/36 CSL Limited BGP ANNOUNCED ● high
2403:1000:5100::/40 CSL Limited BGP ANNOUNCED ● high
2403:1000:5300::/40 CSL Limited BGP ANNOUNCED ● high
2404:b0:13:c::9891:1/128 CSL IDC PEERINGDB ASSIGNED ● high
2405:b200::/32 CSL Limited BGP ANNOUNCED ● high
2405:b200:110::/44 CSL Limited BGP ANNOUNCED ● high
2405:b200:140::/44 CSL Limited BGP ANNOUNCED ● high
2405:b200:150::/44 CSL Limited BGP ANNOUNCED ● high
2a0a:c840::/29 CSL (DualCom) Limited BGP ANNOUNCED ● high
2a0a:c841::/32 CSL (DualCom) Limited BGP ANNOUNCED ● high
2a0a:c844::/32 CSL (DualCom) Limited BGP ANNOUNCED ● high
2a0a:c845::/32 CSL (DualCom) Limited BGP ANNOUNCED ● high
2a0a:c846::/32 CSL (DualCom) Limited BGP ANNOUNCED ● high
2a0a:c847::/32 CSL (DualCom) Limited BGP ANNOUNCED ● high
61.19.196.152/29 CSL-NET APNIC ALLOCATED NON-PORTABLE ● low
61.19.196.160/28 CSL-NET APNIC ALLOCATED NON-PORTABLE ● low
62.233.203.40/29 CSL RIPE ASSIGNED PA ● low
80.85.110.144/29 CSL RIPE ASSIGNED PA ● low
82.44.133.128/28 CSL-COMMUNICATIONS RIPE ASSIGNED PA ● low
82.44.138.88/30 CSL-COMMUNICATIONS RIPE ASSIGNED PA ● low
88.34.32.32/29 CSL RIPE ASSIGNED PA ● low
89.231.18.64/28 CSL-NET RIPE ASSIGNED PA ● low
125.212.34.1 – 125.212.34.6 CSL-AP APNIC ASSIGNED NON-PORTABLE ● low
185.180.172.0/22 CSL (DualCom) Limited RIPE ALLOCATED PA ● low
193.133.84.0/22 CSL RIPE ASSIGNED PA ● low
195.11.109.64/26 CSL RIPE ASSIGNED PA ● low
195.11.109.128/26 CSL RIPE ASSIGNED PA ● low
202.183.147.0/24 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
202.183.221.108/30 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
202.183.228.8/29 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
202.183.228.16/29 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
203.10.36.0/22 CSL Limited APNIC ALLOCATED PORTABLE ● low
203.146.9.0/24 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
203.146.212.0/24 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
210.1.13.48/28 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
210.1.13.64/28 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
210.1.13.80/28 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
210.1.13.96/28 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
210.1.13.112/28 CSL-WIFI APNIC ASSIGNED NON-PORTABLE ● low
217.57.138.224/29 CSL-SRL RIPE ASSIGNED PA ● low
217.57.138.240/29 CSL-SRL RIPE ASSIGNED PA ● low
217.57.138.248/29 CSL-SRL RIPE ASSIGNED PA ● low
2a00:5a00::/32 CSL (DualCom) Limited RIPE ALLOCATED-BY-RIR ● low
2a09:540::/29 CSL (DualCom) Limited RIPE ALLOCATED-BY-RIR ● low
2a0a:ab80::/32 CSL (DualCom) Limited RIPE ALLOCATED-BY-RIR ● low

IPv6 ranges (31)

CIDR
2a09:540::/29
2a0a:c840::/29
2403:1000::/32
2405:b200::/32
2a00:5a00::/32
2a0a:ab80::/32
2a0a:c841::/32
2a0a:c844::/32
2a0a:c845::/32
2a0a:c846::/32
2a0a:c847::/32
2403:1000:1000::/36
2403:1000:3000::/36
2403:1000:4000::/36
2403:1000:5000::/36
2403:1000:1100::/40
2403:1000:1200::/40
2403:1000:1300::/40
2403:1000:3100::/40
2403:1000:4100::/40
2403:1000:5100::/40
2403:1000:5300::/40
2405:b200:110::/44
2405:b200:140::/44
2405:b200:150::/44
2001:200:13f::/48
2001:df6:d000::/48
2001:7fa:0:1::ca28:a095/128
2001:7fa:0:1::ca28:a1b6/128
2001:7fa:0:1::ca28:a1f4/128
2404:b0:13:c::9891:1/128

Footprint over time

13 weekly snapshots · JSON
180 -47 netblocks since 2026-07-05
2026-07-05 peak 228 2026-09-20

Domains this organisation publishes

what's this?
pccw-hkt.com

Other domains hosted in this network

what's this?
theclub.com.hk

Customer-delegated space

how is this classified?
Unclassified 161 (95.8%)
Customer access pools 11 (6.5%)
Operator infrastructure (named) 8 (4.8%)

Corporate group (2 confirmed entities)

+2 additional unconfirmed candidates not shown — full list (JSON)

Network trust

what's this?
RPKI hygiene: B how networks compare →
87.2% of checked blocks have valid RPKI ROA coverage (157 of 180)
Possible discrepancies (7)

These blocks are registered to CSL Limited but cryptographically authorized for a different, unrelated network (4 distinct holders) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.

2001:200:13f::/48 /48 authorized for AS2500 — WIDE Project
203.146.9.0/24 /24 authorized for AS4750 — CS Loxinfo Public Company Limited
203.146.212.0/24 /24 authorized for AS4750 — CS Loxinfo Public Company Limited
202.183.147.0/24 /24 authorized for AS4750 — CS Loxinfo Public Company Limited
103.17.29.0/24 /24 authorized for AS135426 — ZTE Corporation
185.201.166.0/24 /24 authorized for AS198949 — Radware Ltd
185.176.124.0/24 /24 authorized for AS198949 — Radware Ltd

NIC Handles

AB1061-AP AC1613-AP AC2277-AP AH969-AP AJ515-AP AN3307-AP AN755-AP APNIC-HM AS136931 AS1849-MNT AS205394 AS207827 +51 more