120.136.187.0/24 RPKI valid 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 |
|---|---|---|---|---|---|
| AS4812 China Telecom Shanghai Province Network | RPKI valid | 30 | 701841344812 | 2026-09-18 | 2026-09-18 |
| AS17621 China Unicom Shanghai network | RPKI valid | 11 | 345495511483717621 | 2026-09-18 | 2026-09-18 |
RPKI
3 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 120.136.128.0/18
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2008-04-08
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 120.136.184.0/22 v4 | AS23853 Shanghai Data Solution Co., Ltd. | RPKI valid | 3 | 4439335710100999929483798082440023853 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-18 06:49:02Z | origin change | AS17621 → AS4812 | 557202376441344812 |
| 2026-09-18 06:29:50Z | origin change | AS4812 → AS17621 | 3492756655483717621 |
| 2026-09-18 04:41:33Z | origin change | AS17621 → AS4812 | 557209930291441344812 |
| 2026-09-18 04:36:57Z | origin change | AS17621 → AS4812 | 557202376441344812 |
| 2026-09-18 04:16:58Z | origin change | AS17621 → AS4812 | 557202376441344812 |