120.92.128.0/21 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 |
|---|---|---|---|---|---|
| AS4811 China Telecom Shanghai IDC Network | RPKI valid | 30 | 701841344811 | 2026-09-18 | 2026-10-13 |
| AS17621 China Unicom Shanghai network | RPKI valid | 12 | 345495511483717621 | 2026-09-18 | 2026-10-13 |
RPKI
5 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 120.92.128.0/21 | /21 | AS4811 | apnic | authorises it |
| 120.92.128.0/21 | /21 | AS17621 | apnic | wrong origin |
| 120.92.128.0/21 | /21 | AS59019 | apnic | wrong origin |
| 120.92.128.0/21 | /21 | AS137280 | apnic | wrong origin |
| 120.92.128.0/18 | /18 | AS59019 | apnic | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 120.92.0.0/16
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2008-04-01
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 120.92.128.0/18 v4 | AS59019 Beijing Kingsoft Cloud Internet Technology Co., Ltd | RPKI valid | 43 | 70184134481159019 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-14 03:34:44Z | origin change | AS17621 → AS4811 | 32884032772717441344811 |
| 2026-10-14 03:32:14Z | origin change | AS4811 → AS17621 | 379895630013213210099483717621 |
| 2026-10-11 17:37:53Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-11 16:15:20Z | origin change | AS4811 → AS17621 | 4967320485483717621 |
| 2026-10-11 16:07:47Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-11 16:05:17Z | origin change | AS4811 → AS17621 | 4967320485483717621 |
| 2026-10-11 00:02:31Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-10 23:40:54Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-10 10:53:58Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-10 10:49:03Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-10 10:42:41Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-10 10:41:34Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-10 10:14:01Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-10 10:09:55Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-10 02:37:48Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-10 02:07:20Z | origin change | AS4811 → AS17621 | 4967320485483717621 |
| 2026-10-10 02:01:26Z | origin change | AS17621 → AS4811 | 557209930291441344811 |
| 2026-10-10 01:57:15Z | origin change | AS4811 → AS17621 | 4967320485483717621 |
| 2026-10-10 01:57:00Z | origin change | AS17621 → AS4811 | 496732048541344811 |
| 2026-10-10 01:29:27Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-10 00:43:35Z | origin change | AS17621 → AS4811 | 557209930291441344811 |
| 2026-10-10 00:30:10Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-09 15:14:13Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-09 15:07:49Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-09 14:03:02Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-09 13:51:45Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-09 13:42:04Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-09 13:36:48Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-09 13:23:07Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-09 13:21:02Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-08 22:42:16Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-08 22:35:32Z | origin change | AS4811 → AS17621 | 1403577701483717621 |
| 2026-10-08 11:35:57Z | origin change | AS17621 → AS4811 | 3772117441344811 |
| 2026-10-08 11:20:46Z | origin change | AS4811 → AS17621 | 354933564837483717621 |
| 2026-10-07 16:15:10Z | origin change | AS17621 → AS4811 | 557209930291441344811 |
| 2026-10-07 16:13:09Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-07 16:10:57Z | origin change | AS4811 → AS17621 | 379895630013213210099483717621 |
| 2026-10-07 16:09:07Z | origin change | AS4811 → AS17621 | 379895630013213210099483717621 |
| 2026-10-06 13:42:39Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-06 13:26:00Z | origin change | AS4811 → AS17621 | 4967320485483717621 |
| 2026-10-04 10:35:00Z | origin change | AS17621 → AS4811 | 557209930291441344811 |
| 2026-10-04 10:28:41Z | origin change | AS4811 → AS17621 | 2040922076629075483717621 |
| 2026-10-04 10:17:36Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-04 10:05:02Z | origin change | AS4811 → AS17621 | 58057345495511483717621 |
| 2026-10-04 10:00:10Z | origin change | AS17621 → AS4811 | 557209930291441344811 |
| 2026-10-04 09:55:15Z | origin change | AS4811 → AS17621 | 58057345495511483717621 |
| 2026-10-04 09:02:18Z | origin change | AS17621 → AS4811 | 557202376441344811 |
| 2026-10-04 08:05:59Z | origin change | AS4811 → AS17621 | 176395511483717621 |
| 2026-10-03 09:35:41Z | origin change | AS17621 → AS4811 | 557209930291441344811 |
| 2026-10-03 09:20:04Z | origin change | AS4811 → AS17621 | 5991912779483717621 |