101.6.0.0/16 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 | 2026-09-26 |
| AS24348 CERNET2 IX at Tsinghua University | no ROA | 2 | 3822923855766023911453824348 | 2026-09-18 | 2026-09-26 |
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
- 101.4.0.0/14
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2010-12-09
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 101.4.0.0/14 v4 | AS4538 China Education and Research Network Center | no ROA | 48 | 244824538 | 2026-09-18 |
More specific routes
4 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 101.6.0.0/17 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 101.6.6.0/24 v4 | AS4538 China Education and Research Network Center | RPKI valid | 39 | 2026-09-18 |
| 101.6.16.0/23 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 101.6.128.0/17 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-25 17:00:12Z | origin change | AS4538 → AS24348 | 3822923855766023911453824348 |
| 2026-09-24 01:14:39Z | origin change | AS24348 → AS4538 | 333311032096545384538 |
| 2026-09-23 23:07:58Z | origin change | AS4538 → AS24348 | 3333110320965244902448923911453824348 |
| 2026-09-22 11:25:22Z | origin change | AS24348 → AS4538 | 22652174129915412930446354538 |
| 2026-09-22 11:25:21Z | origin change | AS4538 → AS24348 | 46087575244902448923911453824348 |
| 2026-09-22 11:06:38Z | origin change | AS24348 → AS4538 | 20236550673338913320129915412930446354538 |
| 2026-09-22 11:05:53Z | origin change | AS4538 → AS24348 | 46087575244902448923911453824348 |
| 2026-09-22 11:02:18Z | origin change | AS24348 → AS4538 | 35493356129915412930446354538 |
| 2026-09-22 11:02:18Z | origin change | AS4538 → AS24348 | 46087575244902448923911453824348 |
| 2026-09-22 10:49:13Z | origin change | AS24348 → AS4538 | 38001349115412930446354538 |
| 2026-09-22 10:47:28Z | origin change | AS4538 → AS24348 | 46087575244902448923911453824348 |
| 2026-09-21 12:34:34Z | origin change | AS24348 → AS4538 | 496732076483594538 |
| 2026-09-21 08:46:16Z | origin change | AS4538 → AS24348 | 4608757511537766023911453824348 |
| 2026-09-18 08:32:48Z | origin change | AS24348 → AS4538 | 333311032096545384538 |