223.3.0.0/16 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 |
|---|---|---|---|---|---|
| AS24361 CERNET2 IX at Southeast University | no ROA | 28 | 345492914453824361 | 2026-09-18 | 2026-09-27 |
| AS4538 China Education and Research Network Center | no ROA | 13 | 244824538 | 2026-09-18 | 2026-09-27 |
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
- 223.2.0.0/15
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2010-07-12
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 223.2.0.0/15 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 05:31:49Z | origin change | AS4538 → AS24361 | 328840327727174291445384538453824361 |
| 2026-09-27 03:52:34Z | origin change | AS24361 → AS4538 | 1763946354538 |
| 2026-09-24 10:15:12Z | origin change | AS4538 → AS24361 | 852291445384538453824361 |
| 2026-09-24 01:14:39Z | origin change | AS24361 → AS4538 | 333311032096545384538 |
| 2026-09-23 16:27:49Z | origin change | AS4538 → AS24361 | 328840327727174291445384538453824361 |
| 2026-09-23 10:56:23Z | origin change | AS24361 → AS4538 | 37721693946354538 |
| 2026-09-22 14:04:42Z | origin change | AS4538 → AS24361 | 852291445384538453824361 |
| 2026-09-22 11:47:43Z | origin change | AS24361 → AS4538 | 3885515412930446354538 |
| 2026-09-22 11:39:39Z | origin change | AS4538 → AS24361 | 852291445384538453824361 |
| 2026-09-22 11:29:46Z | origin change | AS24361 → AS4538 | 5572099304538 |
| 2026-09-22 11:24:20Z | origin change | AS4538 → AS24361 | 4608122146376461291445384538453824361 |
| 2026-09-22 11:18:41Z | origin change | AS24361 → AS4538 | 460812214637646115412930446354538 |
| 2026-09-22 10:55:39Z | origin change | AS4538 → AS24361 | 4608122146376461291445384538453824361 |
| 2026-09-22 10:54:38Z | origin change | AS24361 → AS4538 | 460812214637646115412930446354538 |
| 2026-09-22 10:37:30Z | origin change | AS4538 → AS24361 | 852291445384538453824361 |
| 2026-09-22 10:21:51Z | origin change | AS24361 → AS4538 | 3885515412930446354538 |
| 2026-09-22 06:20:41Z | origin change | AS4538 → AS24361 | 328840327727174291445384538453824361 |
| 2026-09-22 06:20:03Z | origin change | AS24361 → AS4538 | 37721693946354538 |
| 2026-09-22 00:05:40Z | origin change | AS4538 → AS24361 | 328840327727174291445384538453824361 |
| 2026-09-21 14:22:36Z | origin change | AS24361 → AS4538 | 496732076483594538 |
| 2026-09-21 12:35:05Z | origin change | AS4538 → AS24361 | 49673204851299291445384538453824361 |
| 2026-09-21 12:34:45Z | origin change | AS24361 → AS4538 | 496732076483594538 |
| 2026-09-20 03:39:35Z | origin change | AS4538 → AS24361 | 328840327727174291445384538453824361 |
| 2026-09-19 18:52:05Z | origin change | AS24361 → AS4538 | 55720693946354538 |
| 2026-09-18 14:02:37Z | origin change | AS4538 → AS24361 | 328840327727174291445384538453824361 |
| 2026-09-18 08:32:48Z | origin change | AS24361 → AS4538 | 333311032096545384538 |