121.58.156.0/23 RPKI valid MOAS
Announced by 3 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 |
|---|---|---|---|---|---|
| AS4808 China Unicom Beijing Province Network | RPKI valid | 24 | 34549551148374808 | 2026-09-18 | 2026-09-26 |
| AS4847 China Telecom Beijing Province Network | RPKI valid | 15 | 701841344847 | 2026-09-18 | 2026-09-26 |
| AS38364 RM 1706,Block A,Ocean Express,No.66 | RPKI valid | 3 | 3800174735845398085604838364 | 2026-09-18 | 2026-09-26 |
RPKI
4 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 121.58.144.0/20
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2007-11-13
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 121.58.156.0/22 v4 | AS4847 China Telecom Beijing Province Network | RPKI valid | 41 | 701841344847 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-26 14:09:45Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 14:06:41Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 13:54:23Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 13:51:19Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 13:35:15Z | origin change | AS4847 → AS4808 | 85217448374808 |
| 2026-09-26 13:33:54Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 13:08:47Z | origin change | AS4847 → AS4808 | 85217448374808 |
| 2026-09-26 13:01:39Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 12:51:26Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 12:46:48Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 12:41:11Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 12:39:38Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 12:37:05Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 12:26:50Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 12:16:36Z | origin change | AS4847 → AS4808 | 85217448374808 |
| 2026-09-26 11:51:29Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 11:46:22Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 11:42:17Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 11:34:36Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 11:12:04Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 11:07:59Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 10:52:06Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 10:46:27Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 10:44:54Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 10:43:53Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 10:41:19Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 10:29:32Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 10:17:16Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 10:11:37Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 10:07:32Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 09:41:24Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 09:38:19Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 08:34:50Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 08:29:43Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 08:28:42Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 08:21:32Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 07:54:23Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 07:51:50Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 07:31:20Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 07:30:19Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 07:29:18Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 07:26:13Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 06:44:44Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 06:41:40Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 06:14:31Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 06:09:56Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 05:59:41Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 05:41:46Z | origin change | AS4808 → AS4847 | 557202376441344847 |
| 2026-09-26 05:31:31Z | origin change | AS4847 → AS4808 | 55720693948374808 |
| 2026-09-26 05:26:55Z | origin change | AS4808 → AS4847 | 557202376441344847 |