AS212237 Changgong Zhang 🇨🇳 CN
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
1,280 (5 × /24)
IPv6 prefixes
4
4 × /48
Upstreams
5
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
Internet exchange presence
From PeeringDB, which networks maintain themselves
| Exchange | City | Country | IPv4 | IPv6 | Speed | Route server |
|---|---|---|---|---|---|---|
| 4b42 Internet Exchange Point | Zurich | 🇨🇠CH | 185.1.125.193 | 2001:7f8:d0::3:3d0d:1 | 1 G | yes |
| EVIX | Fremont | 🇺🇸 US | 206.81.104.49 | 2602:fed2:fff:ffff::49 | 1 G | yes |
| HamroIX-Amsterdam | Amsterdam | 🇳🇱 NL | - | 2a0e:b107:f21::4 | 0.1 G | yes |
| OpenSwitch-IX | Kolkata | 🇮🇳 IN | - | 2602:feda:afe::30 | 0.1 G | yes |
| PyramIX | Cairo | 🇪🇬 EG | - | 2a0e:46c4:102::212:237:1 | 0.1 G | yes |
| TOHU IX | Guangzhou | 🇨🇳 CN | - | 2406:840:eb8f:1:0:21:2237:1 | 1 G | yes |
| ZXIX Hangzhou | Hangzhou | 🇨🇳 CN | - | 2406:840:1f:1:0:21:2237:1 | 0.1 G | yes |