203.107.50.0/23 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 |
|---|---|---|---|---|---|
| AS134963 Alibaba Cloud (Singapore) Private Limited | RPKI valid | 35 | 3454917984134963 | 2026-09-18 | 2026-11-06 |
| AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 6 | 5572010099483737963 | 2026-09-18 | 2026-11-06 |
RPKI
3 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 203.107.0.0/17
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2011-04-11
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 203.107.48.0/22 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 40 | 345495511483737963 | 2026-09-18 |
| 203.107.32.0/19 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 40 | 345495511483737963 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 203.107.50.0/24 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 3 | 2026-09-18 |
| 203.107.51.0/24 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 3 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-11-05 23:31:26Z | origin change | AS134963 → AS37963 | 55720100994837379633796337963 |
| 2026-11-05 23:22:13Z | origin change | AS37963 → AS134963 | 3772117984134963 |
| 2026-11-05 23:18:37Z | origin change | AS134963 → AS37963 | 55720237644134481637963 |
| 2026-11-05 23:17:59Z | origin change | AS37963 → AS134963 | 3772117984134963 |
| 2026-11-05 22:19:14Z | origin change | AS134963 → AS37963 | 55720100994837379633796337963 |
| 2026-11-05 22:00:54Z | origin change | AS37963 → AS134963 | 494324836217984134963 |
| 2026-11-05 21:30:04Z | origin change | AS134963 → AS37963 | 55720100994837379633796337963 |
| 2026-11-05 21:11:40Z | origin change | AS37963 → AS134963 | 494322155104836217984134963 |
| 2026-11-05 10:12:37Z | origin change | AS134963 → AS37963 | 55720237644134481637963 |
| 2026-11-04 20:45:22Z | origin change | AS37963 → AS134963 | 2064993454917984134963 |
| 2026-11-04 20:18:31Z | origin change | AS134963 → AS37963 | 55720100994837379633796337963 |
| 2026-11-04 06:12:46Z | origin change | AS37963 → AS134963 | 55720463517984134963 |
| 2026-11-04 05:42:28Z | origin change | AS134963 → AS37963 | 55720237644134481637963 |
| 2026-11-02 14:23:22Z | origin change | AS37963 → AS134963 | 21324190023491134963 |
| 2026-11-02 07:43:16Z | origin change | AS134963 → AS37963 | 55720100994837379633796337963 |
| 2026-11-01 00:36:49Z | origin change | AS37963 → AS134963 | 379895630013213217984134963 |
| 2026-10-31 00:08:00Z | origin change | AS37963 → AS134963 | 494324836217984134963 |
| 2026-10-30 12:32:23Z | origin change | AS134963 → AS37963 | 34927566554837379633796337963 |
| 2026-10-30 12:32:23Z | origin change | AS134963 → AS37963 | 34927566554837379633796337963 |
| 2026-10-30 09:30:24Z | origin change | AS37963 → AS134963 | 32884032772717417984134963 |
| 2026-10-30 08:13:37Z | origin change | AS134963 → AS37963 | 2950439392338914837379633796337963 |
| 2026-10-27 21:57:36Z | origin change | AS37963 → AS134963 | 460875753491134963 |
| 2026-10-27 14:48:25Z | origin change | AS134963 → AS37963 | 55720100994837379633796337963 |
| 2026-10-26 02:40:10Z | origin change | AS37963 → AS134963 | 32884032772717417984134963 |
| 2026-10-25 12:30:32Z | origin change | AS134963 → AS37963 | 578211258632575845358453584539808560413796337963 |
| 2026-10-23 14:39:42Z | origin change | AS37963 → AS134963 | 599191277917984134963 |