137.132.0.0/17 no ROA
Announced by AS7472 NUS Information Technology.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS7472 NUS Information Technology | no ROA | 1 | 4608757576107472 | 2026-11-04 | 2026-11-06 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 137.132.0.0/16
- RIR
- APNIC
- Country
- 🇸🇬 SG
- Status
- allocated
- Allocated
- 1989-11-28
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 137.132.0.0/16 v4 | AS7472 NUS Information Technology | no ROA | 42 | 3800176107472 | 2026-09-18 |
More specific routes
5 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 137.132.5.0/24 v4 | AS7472 NUS Information Technology | no ROA | 42 | 2026-09-18 |
| 137.132.10.0/24 v4 | AS7472 NUS Information Technology | no ROA | 42 | 2026-09-18 |
| 137.132.21.0/24 v4 | AS7472 NUS Information Technology | no ROA | 42 | 2026-09-18 |
| 137.132.48.0/24 v4 | AS8075 Microsoft Corporation | RPKI valid | 43 | 2026-09-18 |
| 137.132.49.0/24 v4 | AS8075 Microsoft Corporation | RPKI valid | 43 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-11-04 12:24:34Z | new prefix | AS7472 NUS Information Technology | 4608757576107472 |