CSL LIMITED
CSL Limited
GLEIF verified
LEI
529900ECSECK5ZDQTE14
Registered name
CSL LIMITED
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 228 |
| All fragments | 437 blocks across 135 clusters |
| Cluster ID | 204403588 |
| Registry | APNIC |
| Owner jurisdiction | AU |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI 529900ECSECK5ZDQTE14 |
| Shared handles | clustered on 69 shared RIR contact/maintainer handles |
| Registry names | 21 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
4 weekly snapshots · JSON
228
+1 netblocks since 2026-07-05
2026-07-05
peak 228
2026-07-13
IP Ranges (228)
showing 50 of 228 — see all — ⬇ 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 |
| 14.0.136.0/22 | CSL Limited | BGP | ANNOUNCED | ● high |
| 14.0.136.0/24 | 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 |
Corporate group (2 confirmed entities)
+2 additional unconfirmed candidates not shown — full list (JSON)- CSL Behring L.L.C 4 blocks
Network trust
what's this?
RPKI hygiene: B
how networks compare →
89.0%
of checked blocks have valid RPKI ROA coverage
(203 of 228)
Wholesale/transit re-announcements (22)
These blocks are registered to CSL Limited but cryptographically authorized across 6 different networks — typical for a large wholesale or transit carrier whose address space is substantially re-announced by downstream customers under their own ASNs, not individually noteworthy.
| 2001:200:13f::/48 /48 | authorized for AS2500 — WIDE Project |
| 2001:7e8:81cd:200::/56 /56 | authorized for AS6661 — POST Luxembourg |
| 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 |
| 203.170.212.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.213.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.216.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.217.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.218.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.219.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.220.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.221.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.222.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
| 203.170.223.0/24 /24 | authorized for AS133481 — MAYBANK KIM ENG SECURITIES PTE. LTD |
+7 more — see the REST API
NIC Handles
AB1061-AP
AC1613-AP
AC2277-AP
AH969-AP
AJ515-AP
AN3307-AP
AN755-AP
APNIC-HM
AS136931
AS1849-MNT
AS205394
AS207827
+57 more