AS204921 zhenyun sun 🇬🇧 GB
Announcing 25 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
2,816 (11 × /24)
IPv6 prefixes
19
34 × /48
Upstreams
14
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS204921
- Name
- zhenyun sun
- Organisation
- ZHENYUN VNET RESEARCH NETZ
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2025-10-10
- Network type
- Educational/Research
- Traffic levels
- 10-20Gbps
- Scope
- Global
- Peering policy
- Open
- IRR as-set
- RADB::AS-YUNZHENG
- Website
- https://as204921.net
- Looking glass
- https://lg.yunzheng.space/
- PeeringDB
- net/40543
- Exchanges
- 11
- Facilities
- 4
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
6 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 177.177.80.0/22 v4 | RPKI valid | 47 | 206499204921 | 2026-09-18 |
| 177.177.80.0/23 v4 | RPKI valid | 48 | 206499204921 | 2026-09-18 |
| 177.177.80.0/24 v4 | RPKI valid | 45 | 34549204921 | 2026-09-18 |
| 177.177.81.0/24 v4 | RPKI valid | 43 | 34549204921 | 2026-09-18 |
| 177.177.82.0/23 v4 | RPKI valid | 48 | 206499204921 | 2026-09-18 |
| 177.177.83.0/24 v4 | RPKI valid | 47 | 206499204921 | 2026-09-18 |