129.227.161.0/24 no ROA MOAS
Announced by 2 different origins, which is either a deliberate multi-origin setup or a hijack.
This prefix is announced by more than one AS. Compare how many collector
peers see each origin below: a hijack is usually visible as a second
origin seen by far fewer peers than the legitimate one.
Origins
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS4229 Zenlayer Inc | no ROA | 39 | 176394229 | 2026-09-18 | 2026-10-08 |
| AS21859 Zenlayer Inc | no ROA | 3 | 2448221859 | 2026-09-18 | 2026-10-08 |
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
- 129.227.0.0/16
- RIR
- APNIC
- Country
- 🇸🇬 SG
- Status
- allocated
- Allocated
- 1988-03-07
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 129.227.160.0/21 v4 | AS4229 Zenlayer Inc | no ROA | 41 | 244824229 | 2026-09-18 |
| 129.227.160.0/21 v4 | AS21859 Zenlayer Inc | no ROA | 1 | 46081221463721859 | 2026-09-18 |
| 129.227.128.0/17 v4 | AS21859 Zenlayer Inc | no ROA | 41 | 2448221859 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-08 11:58:36Z | origin change | AS4229 → AS21859 | 46081221463721859 |
| 2026-10-08 11:57:57Z | origin change | AS21859 → AS4229 | 4818529144229 |
| 2026-10-02 13:38:05Z | origin change | AS21859 → AS4229 | 32884032772717464534229 |
| 2026-10-02 11:34:55Z | origin change | AS4229 → AS21859 | 46081221463721859 |
| 2026-09-30 01:42:05Z | origin change | AS21859 → AS4229 | 496732048564534229 |
| 2026-09-30 00:16:09Z | origin change | AS4229 → AS21859 | 4967320764835921859 |