AS212237 Changgong Zhang 🇨🇳 CN
Announcing 17 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
2,560 (10 × /24)
IPv6 prefixes
11
33 × /48
Upstreams
9
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS212237
- Name
- Changgong Zhang
- Organisation
- Phoenix Network
- Country
- 🇨🇳 CN
- RIR
- RIPENCC
- Allocated
- 2020-12-02
- Network type
- Educational/Research
- Traffic levels
- 100-1000Mbps
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- AS-PXNET
- PeeringDB
- net/25366
- Exchanges
- 7
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
11 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 2403:6380:10::/44 v6 | RPKI valid | 35 | 2448234927212237 | 2026-10-08 |
| 2403:6380:30::/48 v6 | RPKI valid | 36 | 3454920420847272212237 | 2026-10-10 |
| 2403:6380:31::/48 v6 | RPKI valid | 34 | 2448220420847272212237 | 2026-10-10 |
| 2403:6380:32::/48 v6 | RPKI valid | 33 | 34549199829212237 | 2026-10-10 |
| 2403:6380:40::/48 v6 | RPKI valid | 32 | 1763920473212237 | 2026-09-18 |
| 2403:6380:42::/48 v6 | RPKI valid | 32 | 37721917212237 | 2026-09-18 |
| 2403:6380:43::/48 v6 | RPKI valid | 36 | 693953667212237 | 2026-09-27 |
| 2602:f2dc:aa::/48 v6 | RPKI valid | 36 | 3454920420847272212237 | 2026-10-28 |
| 2602:feda:d20::/45 v6 | RPKI valid | 35 | 2448234927212237 | 2026-10-08 |
| 2a0e:b107:dce::/48 v6 | no ROA | 2 | 58057212237 | 2026-10-25 |
| 2a10:2f00:15a::/48 v6 | no ROA | 2 | 58057212237 | 2026-10-25 |