220.250.64.0/18 no ROA
Announced by AS4837 China Unicom Backbone.
Origin
| Origin AS | RPKI | Peers seeing it | Sample path | First seen | Last seen |
|---|---|---|---|---|---|
| AS4837 China Unicom Backbone | no ROA | 42 | 70184837 | 2026-09-18 | 2026-10-13 |
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
- 220.248.0.0/14
- RIR
- APNIC
- Country
- 🇨🇳 CN
- Status
- allocated
- Allocated
- 2003-02-28
Less specific routes
Announced prefixes that contain this one
Nothing less specific is announced.
More specific routes
6 announced prefixes inside this one
| Prefix | Origin | RPKI | Peers | First seen |
|---|---|---|---|---|
| 220.250.118.0/23 v4 | AS4837 China Unicom Backbone | no ROA | 4 | 2026-09-18 |
| 220.250.120.0/23 v4 | AS4837 China Unicom Backbone | no ROA | 4 | 2026-09-18 |
| 220.250.122.0/23 v4 | AS4837 China Unicom Backbone | no ROA | 4 | 2026-09-18 |
| 220.250.124.0/23 v4 | AS4837 China Unicom Backbone | no ROA | 4 | 2026-09-18 |
| 220.250.126.0/23 v4 | AS4837 China Unicom Backbone | no ROA | 4 | 2026-09-18 |
| 220.250.127.0/24 v4 | AS4837 China Unicom Backbone | no ROA | 4 | 2026-09-18 |