49.140.0.0/16 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 |
|---|---|---|---|---|---|
| AS4538 China Education and Research Network Center | no ROA | 14 | 244824538 | 2026-09-18 | 2026-09-30 |
| AS24371 CERNET2 IX at Jilin University | no ROA | 2 | 3822923855766023911453824371 | 2026-09-18 | 2026-09-30 |
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
- 49.140.0.0/15
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2010-10-29
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 49.140.0.0/15 v4 | AS4538 China Education and Research Network Center | no ROA | 47 | 244824538 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-27 20:03:16Z | origin change | AS24371 → AS4538 | 333311032096545384538 |
| 2026-09-27 16:58:40Z | origin change | AS4538 → AS24371 | 3822923855766023911453824371 |
| 2026-09-27 03:52:18Z | origin change | AS24371 → AS4538 | 1763946354538 |
| 2026-09-25 17:00:12Z | origin change | AS4538 → AS24371 | 3822923855766023911453824371 |
| 2026-09-24 01:14:39Z | origin change | AS24371 → AS4538 | 333311032096545384538 |
| 2026-09-23 23:07:58Z | origin change | AS4538 → AS24371 | 3333110320965244902448923911453824371 |
| 2026-09-22 11:25:28Z | origin change | AS24371 → AS4538 | 481853356129915412930446354538 |
| 2026-09-22 11:25:21Z | origin change | AS4538 → AS24371 | 46087575244902448923911453824371 |
| 2026-09-22 11:16:50Z | origin change | AS24371 → AS4538 | 2023655067333891129915412930446354538 |
| 2026-09-22 11:16:38Z | origin change | AS4538 → AS24371 | 46087575244902448923911453824371 |
| 2026-09-22 11:11:34Z | origin change | AS24371 → AS4538 | 4943221551031543174129915412930446354538 |
| 2026-09-22 11:11:01Z | origin change | AS4538 → AS24371 | 46087575244902448923911453824371 |
| 2026-09-22 11:05:54Z | origin change | AS24371 → AS4538 | 29504159354955915830129915412930446354538 |
| 2026-09-22 11:05:53Z | origin change | AS4538 → AS24371 | 46087575244902448923911453824371 |
| 2026-09-22 10:56:48Z | origin change | AS24371 → AS4538 | 5805734549645315412930446354538 |
| 2026-09-22 10:56:40Z | origin change | AS4538 → AS24371 | 46087575244902448923911453824371 |
| 2026-09-21 12:34:33Z | origin change | AS24371 → AS4538 | 496732076483594538 |
| 2026-09-21 08:47:28Z | origin change | AS4538 → AS24371 | 4608757511537766023911453824371 |
| 2026-09-18 08:32:48Z | origin change | AS24371 → AS4538 | 333311032096545384538 |