WESTPAC BANKING CORPORATION
Westpac Banking Corporation
GLEIF verified
Complete entity footprint
2 linked clusters ·
40 netblocks ·
80,357 IPv4 addresses
This organisation's clusters combined by evidence —
shared GLEIF corporate family
— not name similarity, so genuinely different organisations that share a name are excluded.
LEI
EN5TNI6CI43VEPAMHL14
Registered name
WESTPAC BANKING CORPORATION
Jurisdiction
Ultimate parent
No parent on file in GLEIF
Cluster stats
| Netblocks | 24 · 75,253 IPv4 addresses |
| Registered in | Australia (21) · India (1) · Netherlands (1) · Singapore (1) |
| Cluster ID | 208803353 |
| Registry | APNIC |
| Owner jurisdiction | AU |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | GLEIF legal-entity match |
| Legal identity | LEI EN5TNI6CI43VEPAMHL14 |
| Shared handles | clustered on 15 shared RIR contact/maintainer handles |
| Registry names | 4 distinct registrant names across these blocks |
| full provenance (JSON) → · how attribution works | |
Footprint over time
5 weekly snapshots · JSON
28
0 netblocks since 2026-07-05
2026-07-05
peak 28
2026-07-19
IP Ranges (24)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 27.111.231.8/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.7/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.82/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.230/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 45.127.172.236/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 45.127.173.72/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 45.127.173.73/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 103.26.68.152/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 103.77.108.69/32 | Westpac Banking | PEERINGDB | ASSIGNED | ● high |
| 166.120.196.0/24 | Westpac Banking Corporation | BGP | ANNOUNCED | ● high |
| 166.120.196.0/23 | Westpac Banking Corporation | BGP | ANNOUNCED | ● high |
| 166.120.197.0/24 | Westpac Banking Corporation | BGP | ANNOUNCED | ● high |
| 166.120.198.0/24 | Westpac Banking Corporation | BGP | ANNOUNCED | ● high |
| 166.120.198.0/23 | Westpac Banking Corporation | BGP | ANNOUNCED | ● high |
| 166.120.199.0/24 | Westpac Banking Corporation | BGP | ANNOUNCED | ● high |
| 62.216.249.96/30 | WESTPAC_BANKING | RIPE | ASSIGNED PA | ● low |
| 103.149.184.0/23 | Westpac Banking Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 110.5.80.0/20 | Westpac Banking Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 166.120.0.0/16 | Westpac Banking Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 203.10.111.0/24 | Westpac Banking Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 203.16.39.0/24 | Westpac Banking Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 203.23.44.0/24 | Westpac Banking Corporation | APNIC | ASSIGNED PORTABLE | ● low |
| 203.24.0.0/21 | Westpac Banking Corporation | APNIC | ALLOCATED PORTABLE | ● low |
| 203.161.186.0/24 | Westpac Banking Corporation | APNIC | ASSIGNED PORTABLE | ● low |
Corporate group (2 confirmed entities)
- Westpac New Zealand Ltd 16 blocks
Network trust
what's this?
RPKI hygiene: C
how networks compare →
75.0%
of checked blocks have valid RPKI ROA coverage
(18 of 24)
Possible discrepancies (3)
These blocks are registered to Westpac Banking Corporation 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.
| 203.10.111.0/24 /24 | authorized for AS9426 — SingTel Optus Pty Ltd |
| 203.16.39.0/24 /24 | authorized for AS9426 — SingTel Optus Pty Ltd |
| 203.23.44.0/24 /24 | authorized for AS9426 — SingTel Optus Pty Ltd |
NIC Handles
APNIC-HM
AS140217
AS150673
AW985-AP
CP479-AP
DUMY-RIPE
DUMY-RIPE
EQUINIX-FULFIL-MNT
EQUINIX-MNT
MAINT-WESTPAC-AU
ORG-WBC1-AP
WBCN1-AP
+3 more