101.251.248.0/22 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
RPKI
4 ROAs cover this prefix
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 101.251.128.0/17
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2011-03-09
Less specific routes
Announced prefixes that contain this one
| Prefix | Origin | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|---|
| 101.251.240.0/20 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 42 | 7018413423724 | 2026-09-18 |
| 101.251.224.0/19 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 42 | 7018413423724 | 2026-09-18 |
More specific routes
6 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 101.251.248.0/24 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 2 | 2026-09-18 |
| 101.251.248.0/24 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 1 | 2026-09-18 |
| 101.251.249.0/24 v4 | AS4808 China Unicom Beijing Province Network | RPKI valid | 43 | 2026-09-18 |
| 101.251.250.0/24 v4 | AS4808 China Unicom Beijing Province Network | RPKI valid | 43 | 2026-09-18 |
| 101.251.251.0/24 v4 | AS23724 China Telecom Beijing IDC Network | RPKI valid | 2 | 2026-09-18 |
| 101.251.251.0/24 v4 | AS56048 China Mobile Group Beijing Company | RPKI valid | 1 | 2026-09-18 |
Recorded changes
| When | Change | Origin | Path |
|---|---|---|---|
| 2026-10-14 18:07:09Z | origin change | AS23724 → AS56048 | 557201747658453980856048 |
| 2026-10-14 03:32:12Z | origin change | AS56048 → AS23724 | 3798956300132132100994837413423724 |
| 2026-10-12 10:54:31Z | origin change | AS23724 → AS56048 | 20409220766291693528089661580258453980856048 |
| 2026-10-07 16:09:07Z | origin change | AS56048 → AS23724 | 3798956300132132100994837413423724 |