166.120.4.0/22 - WESTPAC AP Westpac Bank (AS9426)
CIDR
166.120.4.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇦🇺 Australia
City
Kogarah
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.120.4.0/22 | AS9426 WESTPAC-AS-AP Westpac Bank | No ROA | - | 2026-10-11 |
More-Specific Announcements
6 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 166.120.4.0/24 | AS9426 WESTPAC-AS-AP Westpac Bank | Invalid | - | 2026-10-11 |
| 166.120.4.0/24 | AS9547 WESTPAC-AS-AP Westpac Banking Corporation | Valid | - | 2026-10-11 |
| 166.120.5.0/24 | AS9426 WESTPAC-AS-AP Westpac Bank | Valid | - | 2026-10-11 |
| 166.120.6.0/24 | AS9426 WESTPAC-AS-AP Westpac Bank | Invalid | - | 2026-10-11 |
| 166.120.6.0/24 | AS9547 WESTPAC-AS-AP Westpac Banking Corporation | Valid | - | 2026-10-11 |
| 166.120.7.0/24 | AS9426 WESTPAC-AS-AP Westpac Bank | Valid | - | 2026-10-11 |
Origin ASN
AS9426
WESTPAC-AS-AP Westpac Bank
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/166.120.4.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/166.120.4.0/22" | jq
External Links