AS203309 Liangyi Ma
AS203309 is operated by Liangyi Ma and registered with RIPE NCC (CN) since 2025-11-28.
It announces 1 IPv4 and 3 IPv6 prefixes, 75% of them RPKI valid.
RIPE RIS sees 3 upstream and peer networks and 0 downstream networks next to it.
PeeringDB lists it as an Educational/Research network at 12 internet exchanges. Its peering policy is open.
| Name | Liangyi Ma |
|---|---|
| Registry (RIR) | RIPE NCC |
| Country | China (CN) |
| Delegated on | 2025-11-28 |
| Network type | Educational/Research, Not Disclosed |
| Peering policy | Open |
| IRR as-set | AS203309:AS-CHOCONET |
| Prefixes (IPv4 / IPv6) | 1 / 3 |
| RPKI valid | 75% (3 / 4) |
| Upstreams and peers | 3 |
| Downstream networks | 0 |
| Website | choco.pub |
Routing health
- AS203309 announces 1 IPv4 and 3 IPv6 prefixes.
- 3 of 4 announced prefixes are RPKI valid.
- 1 announced prefixes are not covered by a ROA of AS203309 (they may have none, or another network’s).
- 3 upstreams and peers, 0 downstream networks seen.
For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.
Announced prefixes 4
- 44.30.131.0/24
- 2a0f:1cc5:130::/44
- 2a0f:1cc5:140::/44
- 2a0f:1cc5:170::/44
Upstreams and peers 3
The networks RIPE RIS sees next to AS203309 in BGP paths, the most visible first.
Peering
Peering policy: Open. Suggested max-prefix limits: 0 IPv4, 256 IPv6. PeeringDB record
| Exchange | Ports | Speed | Route server |
|---|---|---|---|
| 91-IX | 1 | 10G | Yes |
| Better CNIX | 1 | 1G | Yes |
| CXIX - Great Lakes | 1 | 10G | Yes |
| FogIXP | 1 | 1G | Yes |
| ixFabric - Amsterdam | 1 | 10G | Yes |
| Kawaii IX AMS | 1 | 100M | Yes |
| Kent Internet Exchange Point | 1 | 10G | Yes |
| Protocol 7 IX - Hong Kong | 2 | 20G | Yes |
| Protocol 7 IX - Lycheen Japan | 1 | 10G | Yes |
| TPIX-TW | 1 | 200M | Yes |
| TYIX | 1 | 1G | Yes |
| ZXIX Hong Kong | 1 | 10G | Yes |
More about AS203309
Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-13 20:10 UTC. The country is where the AS number was registered, not necessarily where the network operates.