223.128.0.0/15 no ROA
Announced by AS4538 China Education and Research Network Center.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS4538 China Education and Research Network Center | no ROA | 49 | 244824538 | 2026-09-18 | 2026-10-16 |
RPKI
No ROA covers this prefix
No ROA covers this prefix, so origin validation returns "unknown". That is not a fault; most of the table is still unsigned.
Registry
Who this address space is delegated to, regardless of whether it is routed
- Delegated block
- 223.128.0.0/15
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2010-07-12
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
9 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 223.128.0.0/17 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.128.128.0/20 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.128.144.0/20 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.128.160.0/20 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.129.0.0/17 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.129.0.0/22 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.129.4.0/22 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.129.240.0/20 v4 | AS4538 China Education and Research Network Center | no ROA | 4 | 2026-09-18 |
| 223.129.252.0/24 v4 | AS4538 China Education and Research Network Center | RPKI valid | 4 | 2026-09-18 |