2a12:cb47:ffff::/48 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 |
|---|---|---|---|---|---|
| AS204211 Shanghai Yingyun Network Technology Co., Ltd. | RPKI valid | 31 | 24482204211 | 2026-09-18 | 2026-11-11 |
| AS202335 Zhanrui Tian | RPKI valid | 4 | 20897252025202335 | 2026-09-18 | 2026-11-11 |
| AS202734 Junqi Tian | RPKI valid | 2 | 14907137409202734 | 2026-11-06 | 2026-11-11 |
RPKI
8 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 2a12:cb47:ffff::/48 | /48 | AS202335 | ripe | wrong origin |
| 2a12:cb47:ffff::/48 | /48 | AS202734 | ripe | wrong origin |
| 2a12:cb47:ffff::/48 | /48 | AS204211 | ripe | authorises it |
| 2a12:cb47:ffff::/48 | /48 | AS207529 | ripe | wrong origin |
| 2a12:cb47:ffff::/48 | /48 | AS211575 | ripe | wrong origin |
| 2a12:cb40::/29 | /48 | AS10977 | ripe | wrong origin |
| 2a12:cb40::/29 | /48 | AS199605 | ripe | wrong origin |
| 2a12:cb40::/29 | /48 | AS215172 | ripe | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 2a12:cb40::/29
- RIR
- RIPENCC
- Country
- 🇬🇧 GB
- Status
- allocated
- Allocated
- 2026-03-05
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 2a12:cb47::/32 v6 | AS215172 JIANYUELAB LTD | RPKI valid | 36 | 1763921621144324215172 | 2026-09-18 |
More specific routes
0 announced prefixes inside this one
Nothing more specific is announced.
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-11-11 15:12:46Z | origin change | AS202335 → AS202734 | 14907137409202734202734202734 |
| 2026-11-11 15:04:28Z | origin change | AS204211 → AS202335 | 216285828067623513352025202335 |
| 2026-11-11 15:04:22Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-11 15:03:46Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-11 14:03:23Z | origin change | AS202734 → AS204211 | 6939204211 |
| 2026-11-11 09:54:50Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-11 09:30:03Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-11 09:30:03Z | origin change | AS202335 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-11 09:27:17Z | origin change | AS202734 → AS202335 | 216285828017452025202335 |
| 2026-11-11 09:27:07Z | origin change | AS204211 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-11 09:27:03Z | origin change | AS202335 → AS204211 | 149076939204211 |
| 2026-11-11 09:27:01Z | origin change | AS202734 → AS202335 | 216285828067623513352025202335 |
| 2026-11-11 09:26:51Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-11 09:26:48Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-11 04:22:06Z | origin change | AS204211 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-11 04:22:06Z | origin change | AS202335 → AS202734 | 14907137409202734202734202734 |
| 2026-11-11 04:22:06Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-11 04:17:37Z | origin change | AS204211 → AS202335 | 216285828017452025202335 |
| 2026-11-11 04:17:37Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-11 03:56:07Z | origin change | AS202335 → AS202734 | 14907137409202734202734202734 |
| 2026-11-11 03:53:15Z | origin change | AS204211 → AS202335 | 216285828017452025202335 |
| 2026-11-11 03:53:12Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-10 23:17:30Z | origin change | AS202335 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-10 23:14:15Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-10 23:14:12Z | origin change | AS202734 → AS202335 | 216285828017452025202335 |
| 2026-11-10 23:14:02Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-10 23:13:57Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-10 22:31:02Z | origin change | AS202734 → AS204211 | 44393205794204211 |
| 2026-11-10 20:07:48Z | origin change | AS202335 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-10 20:05:22Z | origin change | AS202734 → AS202335 | 216285828067623513352025202335 |
| 2026-11-10 20:05:21Z | origin change | AS202335 → AS204211 | 149076939204211 |
| 2026-11-10 19:43:20Z | origin change | AS204211 → AS202335 | 20897252025202335 |
| 2026-11-10 18:19:22Z | origin change | AS202335 → AS202734 | 14907137409202734202734202734 |
| 2026-11-10 17:50:02Z | origin change | AS202335 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-10 17:47:41Z | origin change | AS202734 → AS202335 | 216285828017452025202335 |
| 2026-11-10 17:47:39Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-10 17:47:27Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-10 17:47:19Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-10 17:47:11Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-10 17:47:11Z | origin change | AS204211 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-10 14:53:26Z | origin change | AS202335 → AS204211 | 70186939204211 |
| 2026-11-10 14:53:10Z | origin change | AS202734 → AS204211 | 481856939204211 |
| 2026-11-10 13:10:50Z | origin change | AS204211 → AS202335 | 5030017452025202335 |
| 2026-11-10 12:17:39Z | origin change | AS202734 → AS204211 | 5666232143214320451087204211 |
| 2026-11-10 09:51:29Z | origin change | AS202335 → AS202734 | 14907137409202734202734202734 |
| 2026-11-10 09:22:32Z | origin change | AS202335 → AS202734 | 2162858280137409202734202734202734 |
| 2026-11-10 09:15:45Z | origin change | AS202734 → AS202335 | 216285828017452025202335 |
| 2026-11-10 09:15:38Z | origin change | AS202734 → AS204211 | 149076939204211 |
| 2026-11-10 09:15:29Z | origin change | AS204211 → AS202734 | 14907137409202734202734202734 |
| 2026-11-10 09:15:26Z | origin change | AS202734 → AS204211 | 149076939204211 |