124.251.0.0/18 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 |
|---|---|---|---|---|---|
| AS23724 China Telecom Beijing IDC Network | RPKI valid | 33 | 37721174413423724 | 2026-09-18 | 2026-10-01 |
| AS9802 Abitcool(China) Inc. | RPKI valid | 7 | 7018483748089802 | 2026-09-18 | 2026-10-01 |
RPKI
12 ROAs cover this prefix
| ROA prefix | Max length | Authorised origin | Trust anchor | Result for this route |
|---|---|---|---|---|
| 124.251.0.0/16 | /32 | AS4808 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS4835 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS4847 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS9308 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS9802 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS9808 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS17428 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS23724 | apnic | authorises it |
| 124.251.0.0/16 | /32 | AS56048 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS59020 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS133111 | apnic | wrong origin |
| 124.251.0.0/16 | /32 | AS141679 | apnic | wrong origin |
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 124.250.0.0/15
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2006-05-12
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 124.251.0.0/17 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 28 | 37721174413448479308 | 2026-09-18 |
| 124.251.0.0/17 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 12 | 7018483748089802 | 2026-09-18 |
| 124.251.0.0/16 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 40 | 701841341416799308 | 2026-09-18 |
| 124.250.0.0/15 v4 | AS23724 China Telecom Beijing IDC Network | no ROA | 40 | 7018413423724 | 2026-09-18 |
More specific routes
11 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 124.251.0.0/19 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 2 | 2026-09-18 |
| 124.251.8.0/23 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 12 | 2026-09-18 |
| 124.251.8.0/23 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 28 | 2026-09-18 |
| 124.251.32.0/19 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 26 | 2026-09-18 |
| 124.251.32.0/19 v4 | AS4808 China Unicom Beijing Province Network | RPKI valid | 15 | 2026-09-18 |
| 124.251.44.0/22 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 12 | 2026-09-18 |
| 124.251.44.0/22 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 28 | 2026-09-18 |
| 124.251.48.0/22 v4 | AS9308 Abitcool(China) Inc. | RPKI valid | 28 | 2026-09-18 |
| 124.251.48.0/22 v4 | AS9802 Abitcool(China) Inc. | RPKI valid | 12 | 2026-09-18 |
| 124.251.56.0/23 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 2 | 2026-09-18 |
| 124.251.58.0/23 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 2 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-09-27 21:03:58Z | origin change | AS9802 → AS23724 | 8523257413423724 |
| 2026-09-27 20:29:53Z | origin change | AS23724 → AS9802 | 1403577701483748089802 |
| 2026-09-23 10:56:43Z | origin change | AS9802 → AS23724 | 37721174413423724 |
| 2026-09-23 04:46:30Z | origin change | AS23724 → AS9802 | 7018483748089802 |
| 2026-09-18 07:14:21Z | origin change | AS9802 → AS23724 | 5738142708413423724 |
| 2026-09-18 06:29:50Z | origin change | AS23724 → AS9802 | 3492756655483748089802 |