203.209.252.0/22 RPKI valid
Announced by AS37963 Hangzhou Alibaba Advertising Co.,Ltd.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 41 | 345495511483737963 | 2026-09-18 | 2026-09-26 |
RPKI
1 ROA covers this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 203.209.224.0/19 | /24 | AS37963 | apnic | authorises it |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 203.209.224.0/19
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2006-01-20
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 203.209.240.0/20 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 41 | 345495511483737963 | 2026-09-18 |
| 203.209.224.0/19 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 41 | 345495511483737963 | 2026-09-18 |
More specific routes
2 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 203.209.252.0/23 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 41 | 2026-09-18 |
| 203.209.254.0/23 v4 | AS37963 Hangzhou Alibaba Advertising Co.,Ltd. | RPKI valid | 41 | 2026-09-18 |