Data as of Nov 6, 2026
166.120.0.0/16
No anonymizer space · no proxy exits in 30 daysAnnounced only in parts
Announcement
43 inside
Type
Business
97% of it
Announcements
Nesting
More-specifics by size
Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 166.120.0.0/22 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.0.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.1.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.3.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.4.0/22 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.4.0/24 since Aug 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.5.0/24 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.6.0/24 since Aug 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.7.0/24 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.58.0/23 since Aug 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.58.0/24 since Aug 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.59.0/24 since Aug 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.64.0/19 since Oct 2021 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.64.0/22 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.65.0/24 since Jul 2021 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.66.0/23 since Jul 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.66.0/24 since Jul 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.80.0/20 since Dec 2024 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.80.0/24 since Oct 10, 2026 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.82.0/24 since Oct 10, 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.84.0/24 since Oct 10, 2026 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.86.0/24 since Oct 10, 2026 | AS9547 | Business | Westpac Banking Corporation | |
| 166.120.88.0/24 since Oct 10, 2026 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.92.0/24 since Oct 10, 2026 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.128.0/24 since Aug 2020 | AS139883 | Unknown | Westpac Banking Corporation | |
| 166.120.129.0/24 since Jul 2013 | AS3758 | Residential | Westpac Banking Corporation via Westpac Singapore | |
| 166.120.164.0/22 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.164.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.165.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.167.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.196.0/23 since Apr 2026 | AS150673 | Business | Westpac Banking Corporation | |
| 166.120.196.0/24 since May 2026 | AS150673 | Business | Westpac Banking Corporation | |
| 166.120.197.0/24 since May 2026 | AS150673 | Business | Westpac Banking Corporation | |
| 166.120.198.0/23 since Apr 2026 | AS150673 | Business | Westpac Banking Corporation | |
| 166.120.198.0/24 since May 2026 | AS150673 | Business | Westpac Banking Corporation | |
| 166.120.199.0/24 since May 2026 | AS150673 | Business | Westpac Banking Corporation | |
| 166.120.200.0/22 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.202.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.203.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.212.0/22 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.212.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.216.0/22 since Feb 2023 | AS9426 | Business | Westpac Banking Corporation | |
| 166.120.216.0/24 since Jun 2022 | AS9426 | Business | Westpac Banking Corporation |
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
16,384 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Business | 15,872 | 97% | 42 | |
| Residential | 256 | 1.6% | 1 | |
| Unknown | 256 | 1.6% | 1 |